diff options
author | marha <marha@users.sourceforge.net> | 2012-03-26 14:23:28 +0200 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2012-03-26 14:23:28 +0200 |
commit | 76bcc36ed305418a3ddc5752d287ede894243e1b (patch) | |
tree | bacb320c825768471ce56f058f17ce863d592376 /xorg-server/hw/xfree86/loader | |
parent | 7d894e32566b710952c44cbc71939ad1d9e2fa8d (diff) | |
parent | 0f834b91a4768673833ab4917e87d86c237bb1a6 (diff) | |
download | vcxsrv-76bcc36ed305418a3ddc5752d287ede894243e1b.tar.gz vcxsrv-76bcc36ed305418a3ddc5752d287ede894243e1b.tar.bz2 vcxsrv-76bcc36ed305418a3ddc5752d287ede894243e1b.zip |
Merge remote-tracking branch 'origin/released'
Conflicts:
pixman/pixman/pixman-mmx.c
xorg-server/Xext/shm.c
xorg-server/Xext/syncsrv.h
xorg-server/Xext/xvmain.c
xorg-server/Xi/exevents.c
xorg-server/Xi/opendev.c
xorg-server/composite/compalloc.c
xorg-server/composite/compoverlay.c
xorg-server/dix/colormap.c
xorg-server/dix/devices.c
xorg-server/dix/dispatch.c
xorg-server/dix/dixfonts.c
xorg-server/dix/eventconvert.c
xorg-server/dix/events.c
xorg-server/dix/gc.c
xorg-server/dix/getevents.c
xorg-server/dix/main.c
xorg-server/dix/privates.c
xorg-server/dix/registry.c
xorg-server/dix/resource.c
xorg-server/exa/exa_accel.c
xorg-server/exa/exa_migration_classic.c
xorg-server/exa/exa_unaccel.c
xorg-server/fb/fb.h
xorg-server/fb/fbcopy.c
xorg-server/fb/fbpixmap.c
xorg-server/glx/dispatch.h
xorg-server/glx/glapi.h
xorg-server/glx/glapi_gentable.c
xorg-server/glx/glapitable.h
xorg-server/glx/glprocs.h
xorg-server/glx/glxcmds.c
xorg-server/glx/glxcmdsswap.c
xorg-server/glx/glxdricommon.c
xorg-server/glx/glxdriswrast.c
xorg-server/glx/glxext.c
xorg-server/glx/indirect_dispatch.c
xorg-server/glx/indirect_dispatch.h
xorg-server/glx/indirect_dispatch_swap.c
xorg-server/glx/indirect_size.h
xorg-server/glx/indirect_size_get.h
xorg-server/glx/indirect_table.c
xorg-server/glx/indirect_util.c
xorg-server/glx/rensize.c
xorg-server/glx/single2swap.c
xorg-server/glx/singlepix.c
xorg-server/glx/singlepixswap.c
xorg-server/glx/singlesize.c
xorg-server/hw/dmx/dmxinit.c
xorg-server/hw/kdrive/ephyr/ephyr.c
xorg-server/hw/kdrive/ephyr/hostx.c
xorg-server/hw/kdrive/ephyr/hostx.h
xorg-server/hw/kdrive/src/kinput.c
xorg-server/hw/xfree86/common/compiler.h
xorg-server/hw/xwin/InitInput.c
xorg-server/hw/xwin/InitOutput.c
xorg-server/hw/xwin/ddraw.h
xorg-server/hw/xwin/glx/glwrap.c
xorg-server/hw/xwin/glx/indirect.c
xorg-server/hw/xwin/glx/wgl_ext_api.h
xorg-server/hw/xwin/glx/winpriv.c
xorg-server/hw/xwin/win.h
xorg-server/hw/xwin/winallpriv.c
xorg-server/hw/xwin/winauth.c
xorg-server/hw/xwin/winclipboard.h
xorg-server/hw/xwin/winclipboardinit.c
xorg-server/hw/xwin/winclipboardthread.c
xorg-server/hw/xwin/winclipboardunicode.c
xorg-server/hw/xwin/winclipboardwndproc.c
xorg-server/hw/xwin/winclipboardwrappers.c
xorg-server/hw/xwin/winclipboardxevents.c
xorg-server/hw/xwin/wincmap.c
xorg-server/hw/xwin/winconfig.c
xorg-server/hw/xwin/wincreatewnd.c
xorg-server/hw/xwin/wincursor.c
xorg-server/hw/xwin/windialogs.c
xorg-server/hw/xwin/winengine.c
xorg-server/hw/xwin/winerror.c
xorg-server/hw/xwin/wingc.c
xorg-server/hw/xwin/wingetsp.c
xorg-server/hw/xwin/winkeybd.c
xorg-server/hw/xwin/winkeybd.h
xorg-server/hw/xwin/winlayouts.h
xorg-server/hw/xwin/winmisc.c
xorg-server/hw/xwin/winmonitors.c
xorg-server/hw/xwin/winmouse.c
xorg-server/hw/xwin/winmsg.c
xorg-server/hw/xwin/winmsg.h
xorg-server/hw/xwin/winmultiwindowclass.c
xorg-server/hw/xwin/winmultiwindowicons.c
xorg-server/hw/xwin/winmultiwindowshape.c
xorg-server/hw/xwin/winmultiwindowwindow.c
xorg-server/hw/xwin/winmultiwindowwm.c
xorg-server/hw/xwin/winmultiwindowwndproc.c
xorg-server/hw/xwin/winnativegdi.c
xorg-server/hw/xwin/winpfbdd.c
xorg-server/hw/xwin/winpixmap.c
xorg-server/hw/xwin/winpolyline.c
xorg-server/hw/xwin/winprefs.c
xorg-server/hw/xwin/winprocarg.c
xorg-server/hw/xwin/winregistry.c
xorg-server/hw/xwin/winscrinit.c
xorg-server/hw/xwin/winsetsp.c
xorg-server/hw/xwin/winshaddd.c
xorg-server/hw/xwin/winshadddnl.c
xorg-server/hw/xwin/winshadgdi.c
xorg-server/hw/xwin/wintrayicon.c
xorg-server/hw/xwin/winwin32rootless.c
xorg-server/hw/xwin/winwin32rootlesswindow.c
xorg-server/hw/xwin/winwin32rootlesswndproc.c
xorg-server/hw/xwin/winwindow.c
xorg-server/hw/xwin/winwindow.h
xorg-server/hw/xwin/winwindowswm.c
xorg-server/hw/xwin/winwndproc.c
xorg-server/include/callback.h
xorg-server/include/dixstruct.h
xorg-server/include/misc.h
xorg-server/include/os.h
xorg-server/include/scrnintstr.h
xorg-server/mi/micmap.c
xorg-server/mi/miinitext.c
xorg-server/mi/mioverlay.c
xorg-server/mi/misprite.c
xorg-server/mi/mivaltree.c
xorg-server/mi/miwindow.c
xorg-server/miext/damage/damage.c
xorg-server/miext/rootless/rootlessGC.c
xorg-server/miext/rootless/rootlessWindow.c
xorg-server/os/WaitFor.c
xorg-server/os/access.c
xorg-server/os/connection.c
xorg-server/os/io.c
xorg-server/os/log.c
xorg-server/os/osinit.c
xorg-server/os/utils.c
xorg-server/os/xdmcp.c
xorg-server/os/xprintf.c
xorg-server/os/xstrans.c
xorg-server/render/mipict.c
xorg-server/xkb/xkbActions.c
xorg-server/xkb/xkbInit.c
xorg-server/xkeyboard-config/compat/default.in
Diffstat (limited to 'xorg-server/hw/xfree86/loader')
-rw-r--r-- | xorg-server/hw/xfree86/loader/loader.c | 55 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/loader/loadext.c | 880 | ||||
-rw-r--r-- | xorg-server/hw/xfree86/loader/loadmod.c | 1097 |
3 files changed, 1021 insertions, 1011 deletions
diff --git a/xorg-server/hw/xfree86/loader/loader.c b/xorg-server/hw/xfree86/loader/loader.c index 159b61198..b72b8b89d 100644 --- a/xorg-server/hw/xfree86/loader/loader.c +++ b/xorg-server/hw/xfree86/loader/loader.c @@ -99,20 +99,20 @@ extern void *xorg_symbols[]; void LoaderInit(void) { - xf86MsgVerb(X_INFO, 2, "Loader magic: %p\n", (void *)xorg_symbols); + xf86MsgVerb(X_INFO, 2, "Loader magic: %p\n", (void *) xorg_symbols); xf86MsgVerb(X_INFO, 2, "Module ABI versions:\n"); xf86ErrorFVerb(2, "\t%s: %d.%d\n", ABI_CLASS_ANSIC, - GET_ABI_MAJOR(LoaderVersionInfo.ansicVersion), - GET_ABI_MINOR(LoaderVersionInfo.ansicVersion)); + GET_ABI_MAJOR(LoaderVersionInfo.ansicVersion), + GET_ABI_MINOR(LoaderVersionInfo.ansicVersion)); xf86ErrorFVerb(2, "\t%s: %d.%d\n", ABI_CLASS_VIDEODRV, - GET_ABI_MAJOR(LoaderVersionInfo.videodrvVersion), - GET_ABI_MINOR(LoaderVersionInfo.videodrvVersion)); + GET_ABI_MAJOR(LoaderVersionInfo.videodrvVersion), + GET_ABI_MINOR(LoaderVersionInfo.videodrvVersion)); xf86ErrorFVerb(2, "\t%s : %d.%d\n", ABI_CLASS_XINPUT, - GET_ABI_MAJOR(LoaderVersionInfo.xinputVersion), - GET_ABI_MINOR(LoaderVersionInfo.xinputVersion)); + GET_ABI_MAJOR(LoaderVersionInfo.xinputVersion), + GET_ABI_MINOR(LoaderVersionInfo.xinputVersion)); xf86ErrorFVerb(2, "\t%s : %d.%d\n", ABI_CLASS_EXTENSION, - GET_ABI_MAJOR(LoaderVersionInfo.extensionVersion), - GET_ABI_MINOR(LoaderVersionInfo.extensionVersion)); + GET_ABI_MAJOR(LoaderVersionInfo.extensionVersion), + GET_ABI_MINOR(LoaderVersionInfo.extensionVersion)); } @@ -130,12 +130,12 @@ LoaderOpen(const char *module, int *errmaj, int *errmin) xf86Msg(X_INFO, "Loading %s\n", module); if (!(ret = dlopen(module, DLOPEN_LAZY | DLOPEN_GLOBAL))) { - xf86Msg(X_ERROR, "Failed to load %s: %s\n", module, dlerror()); - if (errmaj) - *errmaj = LDR_NOLOAD; - if (errmin) - *errmin = LDR_NOLOAD; - return NULL; + xf86Msg(X_ERROR, "Failed to load %s: %s\n", module, dlerror()); + if (errmaj) + *errmaj = LDR_NOLOAD; + if (errmin) + *errmin = LDR_NOLOAD; + return NULL; } return ret; @@ -149,13 +149,13 @@ LoaderSymbol(const char *name) p = dlsym(RTLD_DEFAULT, name); if (p != NULL) - return p; + return p; if (!global_scope) - global_scope = dlopen(NULL, DLOPEN_LAZY | DLOPEN_GLOBAL); + global_scope = dlopen(NULL, DLOPEN_LAZY | DLOPEN_GLOBAL); if (global_scope) - return dlsym(global_scope, name); + return dlsym(global_scope, name); return NULL; } @@ -165,7 +165,7 @@ LoaderUnload(const char *name, void *handle) { xf86Msg(X_INFO, "Unloading %s\n", name); if (handle) - dlclose(handle); + dlclose(handle); } unsigned long LoaderOptions = 0; @@ -189,17 +189,18 @@ LoaderGetABIVersion(const char *abiclass) const char *name; int version; } classes[] = { - { ABI_CLASS_ANSIC, LoaderVersionInfo.ansicVersion }, - { ABI_CLASS_VIDEODRV, LoaderVersionInfo.videodrvVersion }, - { ABI_CLASS_XINPUT, LoaderVersionInfo.xinputVersion }, - { ABI_CLASS_EXTENSION, LoaderVersionInfo.extensionVersion }, - { ABI_CLASS_FONT, LoaderVersionInfo.fontVersion }, - { NULL, 0 } + { + ABI_CLASS_ANSIC, LoaderVersionInfo.ansicVersion}, { + ABI_CLASS_VIDEODRV, LoaderVersionInfo.videodrvVersion}, { + ABI_CLASS_XINPUT, LoaderVersionInfo.xinputVersion}, { + ABI_CLASS_EXTENSION, LoaderVersionInfo.extensionVersion}, { + ABI_CLASS_FONT, LoaderVersionInfo.fontVersion}, { + NULL, 0} }; int i; - for(i = 0; classes[i].name; i++) { - if(!strcmp(classes[i].name, abiclass)) { + for (i = 0; classes[i].name; i++) { + if (!strcmp(classes[i].name, abiclass)) { return classes[i].version; } } diff --git a/xorg-server/hw/xfree86/loader/loadext.c b/xorg-server/hw/xfree86/loader/loadext.c index 8380c300b..daa1abf8d 100644 --- a/xorg-server/hw/xfree86/loader/loadext.c +++ b/xorg-server/hw/xfree86/loader/loadext.c @@ -1,440 +1,440 @@ -/*
- * Copyright (c) 2000 by The XFree86 Project, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of the copyright holder(s)
- * and author(s) shall not be used in advertising or otherwise to promote
- * the sale, use or other dealings in this Software without prior written
- * authorization from the copyright holder(s) and author(s).
- */
-
-/* Maybe this file belongs elsewhere? */
-
-#define LOADERDECLARATIONS
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "loaderProcs.h"
-#include "misc.h"
-#include "xf86.h"
-
-/*
- * This should be static, but miinitext wants it. FIXME: make extension
- * initialization not completely terrible.
- */
-ExtensionModule *ExtensionModuleList = NULL;
-static int numExtensionModules = 0;
-
-static ExtensionModule *
-NewExtensionModule(void)
-{
- ExtensionModule *save = ExtensionModuleList;
- int n;
-
- /* Sanity check */
- if (!ExtensionModuleList)
- numExtensionModules = 0;
-
- n = numExtensionModules + 1;
- ExtensionModuleList = realloc(ExtensionModuleList,
- (n + 1) * sizeof(ExtensionModule));
- if (ExtensionModuleList == NULL) {
- ExtensionModuleList = save;
- return NULL;
- } else {
- numExtensionModules++;
- ExtensionModuleList[numExtensionModules].name = NULL;
- return ExtensionModuleList + (numExtensionModules - 1);
- }
-}
-
-void
-LoadExtension(ExtensionModule * e, Bool builtin)
-{
- ExtensionModule *newext;
-
- if (e == NULL || e->name == NULL)
- return;
-
- if (!(newext = NewExtensionModule()))
- return;
-
- if (builtin)
- xf86MsgVerb(X_INFO, 2, "Initializing built-in extension %s\n",
- e->name);
- else
- xf86MsgVerb(X_INFO, 2, "Loading extension %s\n", e->name);
-
- newext->name = e->name;
- newext->initFunc = e->initFunc;
- newext->disablePtr = e->disablePtr;
- newext->setupFunc = e->setupFunc;
- newext->initDependencies = e->initDependencies;
-
- if (e->setupFunc != NULL)
- e->setupFunc();
-}
-
-/*
- * Sort ExtensionModuleList according to the initialisation order
- * dependencies. The code for this is taken from BSD's tsort,
- * and carries the following copyright/license:
- *
- *
- * Copyright (c) 1989, 1993, 1994
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Michael Rendell of Memorial University of Newfoundland.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#define NF_MARK 0x1 /* marker for cycle detection */
-#define NF_ACYCLIC 0x2 /* this node is cycle free */
-#define NF_NODEST 0x4 /* Unreachable */
-
-typedef struct node_str NODE;
-struct node_str {
- NODE **n_prevp; /* pointer to previous node's n_next */
- NODE *n_next; /* next node in graph */
- NODE **n_arcs; /* array of arcs to other nodes */
- int n_narcs; /* number of arcs in n_arcs[] */
- int n_arcsize; /* size of n_arcs[] array */
- int n_refcnt; /* # of arcs pointing to this node */
- int n_flags; /* NF_* */
- const char *n_name; /* name of this node */
-};
-
-static NODE *graph = NULL, **cycle_buf = NULL, **longest_cycle = NULL;
-static int longest = 0;
-static NODE *sorted = NULL, *last = NULL;
-
-/* Find a node in the graph (insert if not found) and return a pointer to it. */
-static NODE *
-get_node(const char *name)
-{
- NODE *n;
-
- for (n = graph; n && n->n_name && strcmp(n->n_name, name);
- n = n->n_next) ;
- if (n)
- return n;
-
- n = xnfalloc(sizeof(NODE));
-
- n->n_narcs = 0;
- n->n_arcsize = 0;
- n->n_arcs = NULL;
- n->n_refcnt = 0;
- n->n_flags = 0;
- n->n_name = name;
-
- /* Add to linked list. */
- if ((n->n_next = graph) != NULL)
- graph->n_prevp = &n->n_next;
- n->n_prevp = &graph;
- graph = n;
-
- return n;
-}
-
-/*
- * add an arc from node s1 to node s2 in the graph. If s1 or s2 are not in
- * the graph, then add them.
- */
-static void
-add_arc(const char *s1, const char *s2)
-{
- NODE *n1;
- NODE *n2;
- int bsize, i;
-
- n1 = get_node(s1);
-
- if (!strcmp(s1, s2))
- return;
-
- n2 = get_node(s2);
-
- /*
- * Check if this arc is already here.
- */
- for (i = 0; i < n1->n_narcs; i++)
- if (n1->n_arcs[i] == n2)
- return;
- /*
- * Add it.
- */
- if (n1->n_narcs == n1->n_arcsize) {
- if (!n1->n_arcsize)
- n1->n_arcsize = 10;
- bsize = n1->n_arcsize * sizeof(*n1->n_arcs) * 2;
- n1->n_arcs = xnfrealloc(n1->n_arcs, bsize);
- n1->n_arcsize = bsize / sizeof(*n1->n_arcs);
- }
- n1->n_arcs[n1->n_narcs++] = n2;
- ++n2->n_refcnt;
-}
-
-/*
- * Clear the NODEST flag from all nodes.
- */
-static void
-clear_cycle(void)
-{
- NODE *n;
-
- for (n = graph; n != NULL; n = n->n_next)
- n->n_flags &= ~NF_NODEST;
-}
-
-/* print node and remove from graph (does not actually free node) */
-static void
-remove_node(NODE * n)
-{
- NODE **np;
- NODE *newnode;
- int i;
-
-#ifdef DEBUG
- ErrorF("%s\n", n->n_name);
-#endif
- newnode = xnfalloc(sizeof(NODE));
- memcpy(newnode, n, sizeof(NODE));
- if (last)
- last->n_next = newnode;
- else
- sorted = newnode;
- last = newnode;
- newnode->n_next = NULL;
-
- for (np = n->n_arcs, i = n->n_narcs; --i >= 0; np++)
- --(*np)->n_refcnt;
- n->n_narcs = 0;
- *n->n_prevp = n->n_next;
- if (n->n_next)
- n->n_next->n_prevp = n->n_prevp;
-}
-
-static void
-free_nodes(NODE * nodelist)
-{
- NODE *n, *nextnode;
-
- for (n = nodelist; n;) {
- nextnode = n->n_next;
- free(n);
- n = nextnode;
- }
-}
-
-/* look for the longest? cycle from node from to node to. */
-static int
-find_cycle(NODE * from, NODE * to, int longest_len, int depth)
-{
- NODE **np;
- int i, len;
-
- /*
- * avoid infinite loops and ignore portions of the graph known
- * to be acyclic
- */
- if (from->n_flags & (NF_NODEST | NF_MARK | NF_ACYCLIC))
- return 0;
- from->n_flags |= NF_MARK;
-
- for (np = from->n_arcs, i = from->n_narcs; --i >= 0; np++) {
- cycle_buf[depth] = *np;
- if (*np == to) {
- if (depth + 1 > longest_len) {
- longest_len = depth + 1;
- memcpy((char *)longest_cycle,
- (char *)cycle_buf, longest_len * sizeof(NODE *));
- }
- } else {
- if ((*np)->n_flags & (NF_MARK | NF_ACYCLIC | NF_NODEST))
- continue;
- len = find_cycle(*np, to, longest_len, depth + 1);
-
-#ifdef DEBUG
- ErrorF("%*s %s->%s %d\n", depth, "",
- from->n_name, to->n_name, len);
-#endif
-
- if (len == 0)
- (*np)->n_flags |= NF_NODEST;
-
- if (len > longest_len)
- longest_len = len;
-
- if (len > 0 && !longest)
- break;
- }
- }
- from->n_flags &= ~NF_MARK;
- return longest_len;
-}
-
-/* do topological sort on graph */
-static void
-tsort(void)
-{
- NODE *n, *next;
- int cnt, i;
-
- while (graph != NULL) {
- /*
- * Keep getting rid of simple cases until there are none left,
- * if there are any nodes still in the graph, then there is
- * a cycle in it.
- */
- do {
- for (cnt = 0, n = graph; n != NULL; n = next) {
- next = n->n_next;
- if (n->n_refcnt == 0) {
- remove_node(n);
- ++cnt;
- }
- }
- } while (graph != NULL && cnt);
-
- if (graph == NULL)
- break;
-
- if (!cycle_buf) {
- /*
- * Allocate space for two cycle logs - one to be used
- * as scratch space, the other to save the longest
- * cycle.
- */
- for (cnt = 0, n = graph; n != NULL; n = n->n_next)
- ++cnt;
- cycle_buf = xnfalloc(sizeof(NODE *) * cnt);
- longest_cycle = xnfalloc(sizeof(NODE *) * cnt);
- if (cycle_buf == NULL || longest_cycle == NULL)
- return;
- }
- for (n = graph; n != NULL; n = n->n_next)
- if (!(n->n_flags & NF_ACYCLIC)) {
- if ((cnt = find_cycle(n, n, 0, 0))) {
- ErrorF("tsort: cycle in data");
- for (i = 0; i < cnt; i++)
- ErrorF("%s", longest_cycle[i]->n_name);
- remove_node(n);
- clear_cycle();
- break;
- } else {
- /* to avoid further checks */
- n->n_flags |= NF_ACYCLIC;
- clear_cycle();
- }
- }
-
- if (n == NULL)
- ErrorF("tsort: internal error -- could not find cycle");
- }
- free(cycle_buf);
- free(longest_cycle);
- if (graph)
- free_nodes(graph);
-}
-
-void
-LoaderSortExtensions(void)
-{
- int i, j;
- ExtensionModule *ext, *newList;
- NODE *node;
-
- graph = NULL;
- longest = 0;
- sorted = NULL;
- last = NULL;
- cycle_buf = NULL;
- longest_cycle = NULL;
-
- /*
- * Parse list and build the graph. Enter them in reverse order
- * because tsort() will reverse those that have no depedencies.
- */
- for (i = numExtensionModules - 1; i >= 0; i--) {
- ext = &ExtensionModuleList[i];
- add_arc(ext->name, ext->name);
-#ifdef DEBUG
- ErrorF("Extension %s:\n", ext->name);
-#endif
- if (ext->initDependencies)
- for (j = 0; ext->initDependencies[j]; j++) {
- add_arc(ext->initDependencies[j], ext->name);
-#ifdef DEBUG
- ErrorF("\t%s\n", ext->initDependencies[j]);
-#endif
- }
- }
- tsort();
- newList = xnfalloc((numExtensionModules + 1) * sizeof(ExtensionModule));
- i = 0;
- for (node = sorted; node; node = node->n_next) {
- for (j = 0; j < numExtensionModules; j++)
- if (!strcmp(node->n_name, ExtensionModuleList[j].name))
- break;
- if (j != numExtensionModules)
- newList[i++] = ExtensionModuleList[j];
- }
- if (sorted)
- free_nodes(sorted);
- if (graph)
- free_nodes(graph);
- newList[i].name = NULL;
- free(ExtensionModuleList);
- ExtensionModuleList = newList;
-#ifdef DEBUG
- for (i = 0; ExtensionModuleList[i].name; i++)
- ErrorF("Extension %s\n", ExtensionModuleList[i].name);
-#endif
-}
+/* + * Copyright (c) 2000 by The XFree86 Project, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name of the copyright holder(s) + * and author(s) shall not be used in advertising or otherwise to promote + * the sale, use or other dealings in this Software without prior written + * authorization from the copyright holder(s) and author(s). + */ + +/* Maybe this file belongs elsewhere? */ + +#define LOADERDECLARATIONS +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "loaderProcs.h" +#include "misc.h" +#include "xf86.h" + +/* + * This should be static, but miinitext wants it. FIXME: make extension + * initialization not completely terrible. + */ +ExtensionModule *ExtensionModuleList = NULL; +static int numExtensionModules = 0; + +static ExtensionModule * +NewExtensionModule(void) +{ + ExtensionModule *save = ExtensionModuleList; + int n; + + /* Sanity check */ + if (!ExtensionModuleList) + numExtensionModules = 0; + + n = numExtensionModules + 1; + ExtensionModuleList = realloc(ExtensionModuleList, + (n + 1) * sizeof(ExtensionModule)); + if (ExtensionModuleList == NULL) { + ExtensionModuleList = save; + return NULL; + } + else { + numExtensionModules++; + ExtensionModuleList[numExtensionModules].name = NULL; + return ExtensionModuleList + (numExtensionModules - 1); + } +} + +void +LoadExtension(ExtensionModule * e, Bool builtin) +{ + ExtensionModule *newext; + + if (e == NULL || e->name == NULL) + return; + + if (!(newext = NewExtensionModule())) + return; + + if (builtin) + xf86MsgVerb(X_INFO, 2, "Initializing built-in extension %s\n", e->name); + else + xf86MsgVerb(X_INFO, 2, "Loading extension %s\n", e->name); + + newext->name = e->name; + newext->initFunc = e->initFunc; + newext->disablePtr = e->disablePtr; + newext->setupFunc = e->setupFunc; + newext->initDependencies = e->initDependencies; + + if (e->setupFunc != NULL) + e->setupFunc(); +} + +/* + * Sort ExtensionModuleList according to the initialisation order + * dependencies. The code for this is taken from BSD's tsort, + * and carries the following copyright/license: + * + * + * Copyright (c) 1989, 1993, 1994 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Michael Rendell of Memorial University of Newfoundland. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#define NF_MARK 0x1 /* marker for cycle detection */ +#define NF_ACYCLIC 0x2 /* this node is cycle free */ +#define NF_NODEST 0x4 /* Unreachable */ + +typedef struct node_str NODE; +struct node_str { + NODE **n_prevp; /* pointer to previous node's n_next */ + NODE *n_next; /* next node in graph */ + NODE **n_arcs; /* array of arcs to other nodes */ + int n_narcs; /* number of arcs in n_arcs[] */ + int n_arcsize; /* size of n_arcs[] array */ + int n_refcnt; /* # of arcs pointing to this node */ + int n_flags; /* NF_* */ + const char *n_name; /* name of this node */ +}; + +static NODE *graph = NULL, **cycle_buf = NULL, **longest_cycle = NULL; +static int longest = 0; +static NODE *sorted = NULL, *last = NULL; + +/* Find a node in the graph (insert if not found) and return a pointer to it. */ +static NODE * +get_node(const char *name) +{ + NODE *n; + + for (n = graph; n && n->n_name && strcmp(n->n_name, name); n = n->n_next); + if (n) + return n; + + n = xnfalloc(sizeof(NODE)); + + n->n_narcs = 0; + n->n_arcsize = 0; + n->n_arcs = NULL; + n->n_refcnt = 0; + n->n_flags = 0; + n->n_name = name; + + /* Add to linked list. */ + if ((n->n_next = graph) != NULL) + graph->n_prevp = &n->n_next; + n->n_prevp = &graph; + graph = n; + + return n; +} + +/* + * add an arc from node s1 to node s2 in the graph. If s1 or s2 are not in + * the graph, then add them. + */ +static void +add_arc(const char *s1, const char *s2) +{ + NODE *n1; + NODE *n2; + int bsize, i; + + n1 = get_node(s1); + + if (!strcmp(s1, s2)) + return; + + n2 = get_node(s2); + + /* + * Check if this arc is already here. + */ + for (i = 0; i < n1->n_narcs; i++) + if (n1->n_arcs[i] == n2) + return; + /* + * Add it. + */ + if (n1->n_narcs == n1->n_arcsize) { + if (!n1->n_arcsize) + n1->n_arcsize = 10; + bsize = n1->n_arcsize * sizeof(*n1->n_arcs) * 2; + n1->n_arcs = xnfrealloc(n1->n_arcs, bsize); + n1->n_arcsize = bsize / sizeof(*n1->n_arcs); + } + n1->n_arcs[n1->n_narcs++] = n2; + ++n2->n_refcnt; +} + +/* + * Clear the NODEST flag from all nodes. + */ +static void +clear_cycle(void) +{ + NODE *n; + + for (n = graph; n != NULL; n = n->n_next) + n->n_flags &= ~NF_NODEST; +} + +/* print node and remove from graph (does not actually free node) */ +static void +remove_node(NODE * n) +{ + NODE **np; + NODE *newnode; + int i; + +#ifdef DEBUG + ErrorF("%s\n", n->n_name); +#endif + newnode = xnfalloc(sizeof(NODE)); + memcpy(newnode, n, sizeof(NODE)); + if (last) + last->n_next = newnode; + else + sorted = newnode; + last = newnode; + newnode->n_next = NULL; + + for (np = n->n_arcs, i = n->n_narcs; --i >= 0; np++) + --(*np)->n_refcnt; + n->n_narcs = 0; + *n->n_prevp = n->n_next; + if (n->n_next) + n->n_next->n_prevp = n->n_prevp; +} + +static void +free_nodes(NODE * nodelist) +{ + NODE *n, *nextnode; + + for (n = nodelist; n;) { + nextnode = n->n_next; + free(n); + n = nextnode; + } +} + +/* look for the longest? cycle from node from to node to. */ +static int +find_cycle(NODE * from, NODE * to, int longest_len, int depth) +{ + NODE **np; + int i, len; + + /* + * avoid infinite loops and ignore portions of the graph known + * to be acyclic + */ + if (from->n_flags & (NF_NODEST | NF_MARK | NF_ACYCLIC)) + return 0; + from->n_flags |= NF_MARK; + + for (np = from->n_arcs, i = from->n_narcs; --i >= 0; np++) { + cycle_buf[depth] = *np; + if (*np == to) { + if (depth + 1 > longest_len) { + longest_len = depth + 1; + memcpy((char *) longest_cycle, + (char *) cycle_buf, longest_len * sizeof(NODE *)); + } + } + else { + if ((*np)->n_flags & (NF_MARK | NF_ACYCLIC | NF_NODEST)) + continue; + len = find_cycle(*np, to, longest_len, depth + 1); + +#ifdef DEBUG + ErrorF("%*s %s->%s %d\n", depth, "", from->n_name, to->n_name, len); +#endif + + if (len == 0) + (*np)->n_flags |= NF_NODEST; + + if (len > longest_len) + longest_len = len; + + if (len > 0 && !longest) + break; + } + } + from->n_flags &= ~NF_MARK; + return longest_len; +} + +/* do topological sort on graph */ +static void +tsort(void) +{ + NODE *n, *next; + int cnt, i; + + while (graph != NULL) { + /* + * Keep getting rid of simple cases until there are none left, + * if there are any nodes still in the graph, then there is + * a cycle in it. + */ + do { + for (cnt = 0, n = graph; n != NULL; n = next) { + next = n->n_next; + if (n->n_refcnt == 0) { + remove_node(n); + ++cnt; + } + } + } while (graph != NULL && cnt); + + if (graph == NULL) + break; + + if (!cycle_buf) { + /* + * Allocate space for two cycle logs - one to be used + * as scratch space, the other to save the longest + * cycle. + */ + for (cnt = 0, n = graph; n != NULL; n = n->n_next) + ++cnt; + cycle_buf = xnfalloc(sizeof(NODE *) * cnt); + longest_cycle = xnfalloc(sizeof(NODE *) * cnt); + if (cycle_buf == NULL || longest_cycle == NULL) + return; + } + for (n = graph; n != NULL; n = n->n_next) + if (!(n->n_flags & NF_ACYCLIC)) { + if ((cnt = find_cycle(n, n, 0, 0))) { + ErrorF("tsort: cycle in data"); + for (i = 0; i < cnt; i++) + ErrorF("%s", longest_cycle[i]->n_name); + remove_node(n); + clear_cycle(); + break; + } + else { + /* to avoid further checks */ + n->n_flags |= NF_ACYCLIC; + clear_cycle(); + } + } + + if (n == NULL) + ErrorF("tsort: internal error -- could not find cycle"); + } + free(cycle_buf); + free(longest_cycle); + if (graph) + free_nodes(graph); +} + +void +LoaderSortExtensions(void) +{ + int i, j; + ExtensionModule *ext, *newList; + NODE *node; + + graph = NULL; + longest = 0; + sorted = NULL; + last = NULL; + cycle_buf = NULL; + longest_cycle = NULL; + + /* + * Parse list and build the graph. Enter them in reverse order + * because tsort() will reverse those that have no depedencies. + */ + for (i = numExtensionModules - 1; i >= 0; i--) { + ext = &ExtensionModuleList[i]; + add_arc(ext->name, ext->name); +#ifdef DEBUG + ErrorF("Extension %s:\n", ext->name); +#endif + if (ext->initDependencies) + for (j = 0; ext->initDependencies[j]; j++) { + add_arc(ext->initDependencies[j], ext->name); +#ifdef DEBUG + ErrorF("\t%s\n", ext->initDependencies[j]); +#endif + } + } + tsort(); + newList = xnfalloc((numExtensionModules + 1) * sizeof(ExtensionModule)); + i = 0; + for (node = sorted; node; node = node->n_next) { + for (j = 0; j < numExtensionModules; j++) + if (!strcmp(node->n_name, ExtensionModuleList[j].name)) + break; + if (j != numExtensionModules) + newList[i++] = ExtensionModuleList[j]; + } + if (sorted) + free_nodes(sorted); + if (graph) + free_nodes(graph); + newList[i].name = NULL; + free(ExtensionModuleList); + ExtensionModuleList = newList; +#ifdef DEBUG + for (i = 0; ExtensionModuleList[i].name; i++) + ErrorF("Extension %s\n", ExtensionModuleList[i].name); +#endif +} diff --git a/xorg-server/hw/xfree86/loader/loadmod.c b/xorg-server/hw/xfree86/loader/loadmod.c index 5b9c11950..c6b559072 100644 --- a/xorg-server/hw/xfree86/loader/loadmod.c +++ b/xorg-server/hw/xfree86/loader/loadmod.c @@ -74,16 +74,15 @@ typedef struct _pattern { } PatternRec, *PatternPtr; /* Prototypes for static functions */ -static char *FindModule(const char *, const char *, const char **, - PatternPtr); +static char *FindModule(const char *, const char *, const char **, PatternPtr); static Bool CheckVersion(const char *, XF86ModuleVersionInfo *, - const XF86ModReqInfo *); + const XF86ModReqInfo *); static void UnloadModuleOrDriver(ModuleDescPtr mod); static char *LoaderGetCanonicalName(const char *, PatternPtr); static void RemoveChild(ModuleDescPtr); static ModuleDescPtr doLoadModule(const char *, const char *, const char **, - const char **, pointer, - const XF86ModReqInfo *, int *, int *); + const char **, pointer, + const XF86ModReqInfo *, int *, int *); const ModuleVersions LoaderVersionInfo = { XORG_VERSION_CURRENT, @@ -94,7 +93,7 @@ const ModuleVersions LoaderVersionInfo = { ABI_FONT_VERSION }; -static int ModuleDuplicated[] = {}; +static int ModuleDuplicated[] = { }; static void FreeStringList(char **paths) @@ -102,10 +101,10 @@ FreeStringList(char **paths) char **p; if (!paths) - return; + return; for (p = paths; *p; p++) - free(*p); + free(*p); free(paths); } @@ -116,7 +115,7 @@ static Bool PathIsAbsolute(const char *path) { return *path == '/'; -} +} /* * Convert a comma-separated path into a NULL-terminated array of path @@ -134,46 +133,45 @@ InitPathList(const char *path) int n = 0; if (!path) - return defaultPathList; + return defaultPathList; fullpath = strdup(path); if (!fullpath) - return NULL; + return NULL; elem = strtok(fullpath, ","); while (elem) { - if (PathIsAbsolute(elem)) - { - len = strlen(elem); - addslash = (elem[len - 1] != '/'); - if (addslash) - len++; - save = list; - list = realloc(list, (n + 2) * sizeof(char *)); - if (!list) { - if (save) { - save[n] = NULL; - FreeStringList(save); - } - free(fullpath); - return NULL; - } - list[n] = malloc(len + 1); - if (!list[n]) { - FreeStringList(list); - free(fullpath); - return NULL; - } - strcpy(list[n], elem); - if (addslash) { - list[n][len - 1] = '/'; - list[n][len] = '\0'; - } - n++; - } - elem = strtok(NULL, ","); + if (PathIsAbsolute(elem)) { + len = strlen(elem); + addslash = (elem[len - 1] != '/'); + if (addslash) + len++; + save = list; + list = realloc(list, (n + 2) * sizeof(char *)); + if (!list) { + if (save) { + save[n] = NULL; + FreeStringList(save); + } + free(fullpath); + return NULL; + } + list[n] = malloc(len + 1); + if (!list[n]) { + FreeStringList(list); + free(fullpath); + return NULL; + } + strcpy(list[n], elem); + if (addslash) { + list[n][len - 1] = '/'; + list[n][len] = '\0'; + } + n++; + } + elem = strtok(NULL, ","); } if (list) - list[n] = NULL; + list[n] = NULL; free(fullpath); return list; } @@ -182,14 +180,14 @@ static void FreePathList(char **pathlist) { if (pathlist && pathlist != defaultPathList) - FreeStringList(pathlist); + FreeStringList(pathlist); } void LoaderSetPath(const char *path) { if (!path) - return; + return; defaultPathList = InitPathList(path); } @@ -231,43 +229,45 @@ InitPatterns(const char **patternlist) const char **s; if (firstTime) { - /* precompile stdPatterns */ - firstTime = 0; - for (p = stdPatterns; p->pattern; p++) - if ((e = regcomp(&p->rex, p->pattern, REG_EXTENDED)) != 0) { - regerror(e, &p->rex, errmsg, sizeof(errmsg)); - FatalError("InitPatterns: regcomp error for `%s': %s\n", - p->pattern, errmsg); - } + /* precompile stdPatterns */ + firstTime = 0; + for (p = stdPatterns; p->pattern; p++) + if ((e = regcomp(&p->rex, p->pattern, REG_EXTENDED)) != 0) { + regerror(e, &p->rex, errmsg, sizeof(errmsg)); + FatalError("InitPatterns: regcomp error for `%s': %s\n", + p->pattern, errmsg); + } } if (patternlist) { - for (i = 0, s = patternlist; *s; i++, s++) - if (*s == DEFAULT_LIST) - i += sizeof(stdPatterns) / sizeof(stdPatterns[0]) - 1 - 1; - patterns = malloc((i + 1) * sizeof(PatternRec)); - if (!patterns) { - return NULL; - } - for (i = 0, s = patternlist; *s; i++, s++) - if (*s != DEFAULT_LIST) { - p = patterns + i; - p->pattern = *s; - if ((e = regcomp(&p->rex, p->pattern, REG_EXTENDED)) != 0) { - regerror(e, &p->rex, errmsg, sizeof(errmsg)); - ErrorF("InitPatterns: regcomp error for `%s': %s\n", - p->pattern, errmsg); - i--; - } - } else { - for (p = stdPatterns; p->pattern; p++, i++) - patterns[i] = *p; - if (p != stdPatterns) - i--; - } - patterns[i].pattern = NULL; - } else - patterns = stdPatterns; + for (i = 0, s = patternlist; *s; i++, s++) + if (*s == DEFAULT_LIST) + i += sizeof(stdPatterns) / sizeof(stdPatterns[0]) - 1 - 1; + patterns = malloc((i + 1) * sizeof(PatternRec)); + if (!patterns) { + return NULL; + } + for (i = 0, s = patternlist; *s; i++, s++) + if (*s != DEFAULT_LIST) { + p = patterns + i; + p->pattern = *s; + if ((e = regcomp(&p->rex, p->pattern, REG_EXTENDED)) != 0) { + regerror(e, &p->rex, errmsg, sizeof(errmsg)); + ErrorF("InitPatterns: regcomp error for `%s': %s\n", + p->pattern, errmsg); + i--; + } + } + else { + for (p = stdPatterns; p->pattern; p++, i++) + patterns[i] = *p; + if (p != stdPatterns) + i--; + } + patterns[i].pattern = NULL; + } + else + patterns = stdPatterns; return patterns; } @@ -275,7 +275,7 @@ static void FreePatterns(PatternPtr patterns) { if (patterns && patterns != stdPatterns) - free(patterns); + free(patterns); } static const char ** @@ -291,82 +291,84 @@ InitSubdirs(const char **subdirlist) Bool indefault; if (subdirlist == NULL) { - subdirlist = tmp_subdirlist = malloc(2 * sizeof(char *)); - if (subdirlist == NULL) - return NULL; - subdirlist[0] = DEFAULT_LIST; - subdirlist[1] = NULL; + subdirlist = tmp_subdirlist = malloc(2 * sizeof(char *)); + if (subdirlist == NULL) + return NULL; + subdirlist[0] = DEFAULT_LIST; + subdirlist[1] = NULL; } LoaderGetOS(&osname, NULL, NULL, NULL); oslen = strlen(osname); { - /* Count number of entries and check for invalid paths */ - for (i = 0, s = subdirlist; *s; i++, s++) { - if (*s == DEFAULT_LIST) { - i += sizeof(stdSubdirs) / sizeof(stdSubdirs[0]) - 1 - 1; - } else { - /* - * Path validity check. Don't allow absolute paths, or - * paths containing "..". To catch absolute paths on - * platforms that use driver letters, don't allow the ':' - * character to appear at all. - */ - if (**s == '/' || **s == '\\' || strchr(*s, ':') || - strstr(*s, "..")) { - xf86Msg(X_ERROR, "InitSubdirs: Bad subdir: \"%s\"\n", *s); - free(tmp_subdirlist); - return NULL; - } - } - } - subdirs = malloc((i * 2 + 1) * sizeof(char *)); - if (!subdirs) { - free(tmp_subdirlist); - return NULL; - } - i = 0; - s = subdirlist; - indefault = FALSE; - while (*s) { - if (*s == DEFAULT_LIST) { - /* Divert to the default list */ - indefault = TRUE; - stmp = ++s; - s = stdSubdirs; - } - len = strlen(*s); - if (**s && (*s)[len - 1] != '/') { - slash = "/"; - len++; - } else - slash = ""; - len += oslen + 2; - if (!(subdirs[i] = malloc(len))) { - while (--i >= 0) - free(subdirs[i]); - free(subdirs); - free(tmp_subdirlist); - return NULL; - } - /* tack on the OS name */ - sprintf(subdirs[i], "%s%s%s/", *s, slash, osname); - i++; - /* path as given */ - subdirs[i] = strdup(*s); - i++; - s++; - if (indefault && !s) { - /* revert back to the main list */ - indefault = FALSE; - s = stmp; - } - } - subdirs[i] = NULL; + /* Count number of entries and check for invalid paths */ + for (i = 0, s = subdirlist; *s; i++, s++) { + if (*s == DEFAULT_LIST) { + i += sizeof(stdSubdirs) / sizeof(stdSubdirs[0]) - 1 - 1; + } + else { + /* + * Path validity check. Don't allow absolute paths, or + * paths containing "..". To catch absolute paths on + * platforms that use driver letters, don't allow the ':' + * character to appear at all. + */ + if (**s == '/' || **s == '\\' || strchr(*s, ':') || + strstr(*s, "..")) { + xf86Msg(X_ERROR, "InitSubdirs: Bad subdir: \"%s\"\n", *s); + free(tmp_subdirlist); + return NULL; + } + } + } + subdirs = malloc((i * 2 + 1) * sizeof(char *)); + if (!subdirs) { + free(tmp_subdirlist); + return NULL; + } + i = 0; + s = subdirlist; + indefault = FALSE; + while (*s) { + if (*s == DEFAULT_LIST) { + /* Divert to the default list */ + indefault = TRUE; + stmp = ++s; + s = stdSubdirs; + } + len = strlen(*s); + if (**s && (*s)[len - 1] != '/') { + slash = "/"; + len++; + } + else + slash = ""; + len += oslen + 2; + if (!(subdirs[i] = malloc(len))) { + while (--i >= 0) + free(subdirs[i]); + free(subdirs); + free(tmp_subdirlist); + return NULL; + } + /* tack on the OS name */ + sprintf(subdirs[i], "%s%s%s/", *s, slash, osname); + i++; + /* path as given */ + subdirs[i] = strdup(*s); + i++; + s++; + if (indefault && !s) { + /* revert back to the main list */ + indefault = FALSE; + s = stmp; + } + } + subdirs[i] = NULL; } free(tmp_subdirlist); - return (const char **)subdirs; + return (const char **) subdirs; } static void @@ -375,9 +377,9 @@ FreeSubdirs(const char **subdirs) const char **s; if (subdirs) { - for (s = subdirs; *s; s++) - free((char *)*s); - free(subdirs); + for (s = subdirs; *s; s++) + free((char *) *s); + free(subdirs); } } @@ -397,44 +399,44 @@ FindModuleInSubdir(const char *dirpath, const char *module) if (direntry->d_name[0] == '.') continue; snprintf(tmpBuf, PATH_MAX, "%s%s/", dirpath, direntry->d_name); - /* the stat with the appended / fails for normal files, - and works for sub dirs fine, looks a bit strange in strace - but does seem to work */ + /* the stat with the appended / fails for normal files, + and works for sub dirs fine, looks a bit strange in strace + but does seem to work */ if ((stat(tmpBuf, &stat_buf) == 0) && S_ISDIR(stat_buf.st_mode)) { if ((ret = FindModuleInSubdir(tmpBuf, module))) break; continue; } - + snprintf(tmpBuf, PATH_MAX, "lib%s.so", module); if (strcmp(direntry->d_name, tmpBuf) == 0) { if (asprintf(&ret, "%s%s", dirpath, tmpBuf) == -1) - ret = NULL; + ret = NULL; break; } snprintf(tmpBuf, PATH_MAX, "%s_drv.so", module); if (strcmp(direntry->d_name, tmpBuf) == 0) { if (asprintf(&ret, "%s%s", dirpath, tmpBuf) == -1) - ret = NULL; + ret = NULL; break; } snprintf(tmpBuf, PATH_MAX, "%s.so", module); if (strcmp(direntry->d_name, tmpBuf) == 0) { if (asprintf(&ret, "%s%s", dirpath, tmpBuf) == -1) - ret = NULL; + ret = NULL; break; } } - + closedir(dir); return ret; } static char * FindModule(const char *module, const char *dirname, const char **subdirlist, - PatternPtr patterns) + PatternPtr patterns) { char buf[PATH_MAX + 1]; char *name = NULL; @@ -442,17 +444,17 @@ FindModule(const char *module, const char *dirname, const char **subdirlist, const char **s; if (strlen(dirname) > PATH_MAX) - return NULL; - + return NULL; + subdirs = InitSubdirs(subdirlist); if (!subdirs) - return NULL; + return NULL; for (s = subdirs; *s; s++) { - if ((strlen(dirname) + strlen(*s)) > PATH_MAX) - continue; - strcpy(buf, dirname); - strcat(buf, *s); + if ((strlen(dirname) + strlen(*s)) > PATH_MAX) + continue; + strcpy(buf, dirname); + strcat(buf, *s); if ((name = FindModuleInSubdir(buf, module))) break; } @@ -484,70 +486,70 @@ LoaderListDirs(const char **subdirlist, const char **patternlist) int n = 0; if (!(pathlist = InitPathList(NULL))) - return NULL; + return NULL; if (!(subdirs = InitSubdirs(subdirlist))) - goto bail; + goto bail; if (!(patterns = InitPatterns(patternlist))) - goto bail; + goto bail; for (elem = pathlist; *elem; elem++) { - for (s = subdirs; *s; s++) { - if ((dirlen = strlen(*elem) + strlen(*s)) > PATH_MAX) - continue; - strcpy(buf, *elem); - strcat(buf, *s); - fp = buf + dirlen; - if (stat(buf, &stat_buf) == 0 && S_ISDIR(stat_buf.st_mode) && - (d = opendir(buf))) { - if (buf[dirlen - 1] != '/') { - buf[dirlen++] = '/'; - fp++; - } - while ((dp = readdir(d))) { - if (dirlen + strlen(dp->d_name) > PATH_MAX) - continue; - strcpy(fp, dp->d_name); - if (!(stat(buf, &stat_buf) == 0 && - S_ISREG(stat_buf.st_mode))) - continue; - for (p = patterns; p->pattern; p++) { - if (regexec(&p->rex, dp->d_name, 2, match, 0) == 0 && - match[1].rm_so != -1) { - len = match[1].rm_eo - match[1].rm_so; - save = listing; - listing = realloc(listing, - (n + 2) * sizeof(char *)); - if (!listing) { - if (save) { - save[n] = NULL; - FreeStringList(save); - } - closedir(d); - goto bail; - } - listing[n] = malloc(len + 1); - if (!listing[n]) { - FreeStringList(listing); - closedir(d); - goto bail; - } - strncpy(listing[n], dp->d_name + match[1].rm_so, - len); - listing[n][len] = '\0'; - n++; - break; - } - } - } - closedir(d); - } - } + for (s = subdirs; *s; s++) { + if ((dirlen = strlen(*elem) + strlen(*s)) > PATH_MAX) + continue; + strcpy(buf, *elem); + strcat(buf, *s); + fp = buf + dirlen; + if (stat(buf, &stat_buf) == 0 && S_ISDIR(stat_buf.st_mode) && + (d = opendir(buf))) { + if (buf[dirlen - 1] != '/') { + buf[dirlen++] = '/'; + fp++; + } + while ((dp = readdir(d))) { + if (dirlen + strlen(dp->d_name) > PATH_MAX) + continue; + strcpy(fp, dp->d_name); + if (!(stat(buf, &stat_buf) == 0 && + S_ISREG(stat_buf.st_mode))) + continue; + for (p = patterns; p->pattern; p++) { + if (regexec(&p->rex, dp->d_name, 2, match, 0) == 0 && + match[1].rm_so != -1) { + len = match[1].rm_eo - match[1].rm_so; + save = listing; + listing = realloc(listing, + (n + 2) * sizeof(char *)); + if (!listing) { + if (save) { + save[n] = NULL; + FreeStringList(save); + } + closedir(d); + goto bail; + } + listing[n] = malloc(len + 1); + if (!listing[n]) { + FreeStringList(listing); + closedir(d); + goto bail; + } + strncpy(listing[n], dp->d_name + match[1].rm_so, + len); + listing[n][len] = '\0'; + n++; + break; + } + } + } + closedir(d); + } + } } if (listing) - listing[n] = NULL; + listing[n] = NULL; ret = listing; -bail: + bail: FreePatterns(patterns); FreeSubdirs(subdirs); FreePathList(pathlist); @@ -562,7 +564,7 @@ LoaderFreeDirList(char **list) static Bool CheckVersion(const char *module, XF86ModuleVersionInfo * data, - const XF86ModReqInfo * req) + const XF86ModReqInfo * req) { int vercode[4]; char verstr[4]; @@ -570,8 +572,8 @@ CheckVersion(const char *module, XF86ModuleVersionInfo * data, MessageType errtype; xf86Msg(X_INFO, "Module %s: vendor=\"%s\"\n", - data->modname ? data->modname : "UNKNOWN!", - data->vendor ? data->vendor : "UNKNOWN!"); + data->modname ? data->modname : "UNKNOWN!", + data->vendor ? data->vendor : "UNKNOWN!"); /* Check for the different scheme used in XFree86 4.0.x releases: * ((((((((major << 7) | minor) << 7) | subminor) << 5) | beta) << 5) | alpha) @@ -579,152 +581,157 @@ CheckVersion(const char *module, XF86ModuleVersionInfo * data, * range, which limits the overlap with the new version scheme to conflicts * with 6.71.8.764 through 6.72.39.934. */ - if ((ver > (4 << 24)) && (ver < ( (4 << 24) + (1 << 17)))) { - /* 4.0.x and earlier */ - verstr[1] = verstr[3] = 0; - verstr[2] = (ver & 0x1f) ? (ver & 0x1f) + 'a' - 1 : 0; - ver >>= 5; - verstr[0] = (ver & 0x1f) ? (ver & 0x1f) + 'A' - 1 : 0; - ver >>= 5; - vercode[2] = ver & 0x7f; - ver >>= 7; - vercode[1] = ver & 0x7f; - ver >>= 7; - vercode[0] = ver; - xf86ErrorF("\tcompiled for %d.%d", vercode[0], vercode[1]); - if (vercode[2] != 0) - xf86ErrorF(".%d", vercode[2]); - xf86ErrorF("%s%s, module version = %d.%d.%d\n", verstr, verstr + 2, - data->majorversion, data->minorversion, data->patchlevel); - } else { - vercode[0] = ver / 10000000; - vercode[1] = (ver / 100000) % 100; - vercode[2] = (ver / 1000) % 100; - vercode[3] = ver % 1000; - xf86ErrorF("\tcompiled for %d.%d.%d", vercode[0], vercode[1], - vercode[2]); - if (vercode[3] != 0) - xf86ErrorF(".%d", vercode[3]); - xf86ErrorF(", module version = %d.%d.%d\n", data->majorversion, - data->minorversion, data->patchlevel); + if ((ver > (4 << 24)) && (ver < ((4 << 24) + (1 << 17)))) { + /* 4.0.x and earlier */ + verstr[1] = verstr[3] = 0; + verstr[2] = (ver & 0x1f) ? (ver & 0x1f) + 'a' - 1 : 0; + ver >>= 5; + verstr[0] = (ver & 0x1f) ? (ver & 0x1f) + 'A' - 1 : 0; + ver >>= 5; + vercode[2] = ver & 0x7f; + ver >>= 7; + vercode[1] = ver & 0x7f; + ver >>= 7; + vercode[0] = ver; + xf86ErrorF("\tcompiled for %d.%d", vercode[0], vercode[1]); + if (vercode[2] != 0) + xf86ErrorF(".%d", vercode[2]); + xf86ErrorF("%s%s, module version = %d.%d.%d\n", verstr, verstr + 2, + data->majorversion, data->minorversion, data->patchlevel); + } + else { + vercode[0] = ver / 10000000; + vercode[1] = (ver / 100000) % 100; + vercode[2] = (ver / 1000) % 100; + vercode[3] = ver % 1000; + xf86ErrorF("\tcompiled for %d.%d.%d", vercode[0], vercode[1], + vercode[2]); + if (vercode[3] != 0) + xf86ErrorF(".%d", vercode[3]); + xf86ErrorF(", module version = %d.%d.%d\n", data->majorversion, + data->minorversion, data->patchlevel); } if (data->moduleclass) - xf86ErrorFVerb(2, "\tModule class: %s\n", data->moduleclass); + xf86ErrorFVerb(2, "\tModule class: %s\n", data->moduleclass); ver = -1; if (data->abiclass) { - int abimaj, abimin; - int vermaj, vermin; - - if (!strcmp(data->abiclass, ABI_CLASS_ANSIC)) - ver = LoaderVersionInfo.ansicVersion; - else if (!strcmp(data->abiclass, ABI_CLASS_VIDEODRV)) - ver = LoaderVersionInfo.videodrvVersion; - else if (!strcmp(data->abiclass, ABI_CLASS_XINPUT)) - ver = LoaderVersionInfo.xinputVersion; - else if (!strcmp(data->abiclass, ABI_CLASS_EXTENSION)) - ver = LoaderVersionInfo.extensionVersion; - else if (!strcmp(data->abiclass, ABI_CLASS_FONT)) - ver = LoaderVersionInfo.fontVersion; - - abimaj = GET_ABI_MAJOR(data->abiversion); - abimin = GET_ABI_MINOR(data->abiversion); - xf86ErrorFVerb(2, "\tABI class: %s, version %d.%d\n", - data->abiclass, abimaj, abimin); - if (ver != -1) { - vermaj = GET_ABI_MAJOR(ver); - vermin = GET_ABI_MINOR(ver); - if (abimaj != vermaj) { - if (LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL) - errtype = X_WARNING; - else - errtype = X_ERROR; - xf86MsgVerb(errtype, 0, - "module ABI major version (%d) doesn't" - " match the server's version (%d)\n", - abimaj, vermaj); - if (!(LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL)) - return FALSE; - } else if (abimin > vermin) { - if (LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL) - errtype = X_WARNING; - else - errtype = X_ERROR; - xf86MsgVerb(errtype, 0, - "module ABI minor version (%d) is " - "newer than the server's version " - "(%d)\n", abimin, vermin); - if (!(LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL)) - return FALSE; - } - } + int abimaj, abimin; + int vermaj, vermin; + + if (!strcmp(data->abiclass, ABI_CLASS_ANSIC)) + ver = LoaderVersionInfo.ansicVersion; + else if (!strcmp(data->abiclass, ABI_CLASS_VIDEODRV)) + ver = LoaderVersionInfo.videodrvVersion; + else if (!strcmp(data->abiclass, ABI_CLASS_XINPUT)) + ver = LoaderVersionInfo.xinputVersion; + else if (!strcmp(data->abiclass, ABI_CLASS_EXTENSION)) + ver = LoaderVersionInfo.extensionVersion; + else if (!strcmp(data->abiclass, ABI_CLASS_FONT)) + ver = LoaderVersionInfo.fontVersion; + + abimaj = GET_ABI_MAJOR(data->abiversion); + abimin = GET_ABI_MINOR(data->abiversion); + xf86ErrorFVerb(2, "\tABI class: %s, version %d.%d\n", + data->abiclass, abimaj, abimin); + if (ver != -1) { + vermaj = GET_ABI_MAJOR(ver); + vermin = GET_ABI_MINOR(ver); + if (abimaj != vermaj) { + if (LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL) + errtype = X_WARNING; + else + errtype = X_ERROR; + xf86MsgVerb(errtype, 0, + "module ABI major version (%d) doesn't" + " match the server's version (%d)\n", + abimaj, vermaj); + if (!(LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL)) + return FALSE; + } + else if (abimin > vermin) { + if (LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL) + errtype = X_WARNING; + else + errtype = X_ERROR; + xf86MsgVerb(errtype, 0, + "module ABI minor version (%d) is " + "newer than the server's version " + "(%d)\n", abimin, vermin); + if (!(LoaderOptions & LDR_OPT_ABI_MISMATCH_NONFATAL)) + return FALSE; + } + } } /* Check against requirements that the caller has specified */ if (req) { - if (req->majorversion != MAJOR_UNSPEC) { - if (data->majorversion != req->majorversion) { - xf86MsgVerb(X_WARNING, 2, "module major version (%d) " - "doesn't match required major version (%d)\n", - data->majorversion, req->majorversion); - return FALSE; - } else if (req->minorversion != MINOR_UNSPEC) { - if (data->minorversion < req->minorversion) { - xf86MsgVerb(X_WARNING, 2, "module minor version (%d) " - "is less than the required minor version (%d)\n", - data->minorversion, req->minorversion); - return FALSE; - } else if (data->minorversion == req->minorversion && - req->patchlevel != PATCH_UNSPEC) { - if (data->patchlevel < req->patchlevel) { - xf86MsgVerb(X_WARNING, 2, "module patch level (%d) " - "is less than the required patch level (%d)\n", - data->patchlevel, req->patchlevel); - return FALSE; - } - } - } - } - if (req->moduleclass) { - if (!data->moduleclass || - strcmp(req->moduleclass, data->moduleclass)) { - xf86MsgVerb(X_WARNING, 2, "Module class (%s) doesn't match " - "the required class (%s)\n", - data->moduleclass ? data->moduleclass : "<NONE>", - req->moduleclass); - return FALSE; - } - } else if (req->abiclass != ABI_CLASS_NONE) { - if (!data->abiclass || strcmp(req->abiclass, data->abiclass)) { - xf86MsgVerb(X_WARNING, 2, "ABI class (%s) doesn't match the " - "required ABI class (%s)\n", - data->abiclass ? data->abiclass : "<NONE>", - req->abiclass); - return FALSE; - } - } - if ((req->abiclass != ABI_CLASS_NONE) && - req->abiversion != ABI_VERS_UNSPEC) { - int reqmaj, reqmin, maj, min; - - reqmaj = GET_ABI_MAJOR(req->abiversion); - reqmin = GET_ABI_MINOR(req->abiversion); - maj = GET_ABI_MAJOR(data->abiversion); - min = GET_ABI_MINOR(data->abiversion); - if (maj != reqmaj) { - xf86MsgVerb(X_WARNING, 2, "ABI major version (%d) doesn't " - "match the required ABI major version (%d)\n", - maj, reqmaj); - return FALSE; - } - /* XXX Maybe this should be the other way around? */ - if (min > reqmin) { - xf86MsgVerb(X_WARNING, 2, "module ABI minor version (%d) " - "is newer than that available (%d)\n", min, reqmin); - return FALSE; - } - } + if (req->majorversion != MAJOR_UNSPEC) { + if (data->majorversion != req->majorversion) { + xf86MsgVerb(X_WARNING, 2, "module major version (%d) " + "doesn't match required major version (%d)\n", + data->majorversion, req->majorversion); + return FALSE; + } + else if (req->minorversion != MINOR_UNSPEC) { + if (data->minorversion < req->minorversion) { + xf86MsgVerb(X_WARNING, 2, "module minor version (%d) " + "is less than the required minor version (%d)\n", + data->minorversion, req->minorversion); + return FALSE; + } + else if (data->minorversion == req->minorversion && + req->patchlevel != PATCH_UNSPEC) { + if (data->patchlevel < req->patchlevel) { + xf86MsgVerb(X_WARNING, 2, "module patch level (%d) " + "is less than the required patch level (%d)\n", + data->patchlevel, req->patchlevel); + return FALSE; + } + } + } + } + if (req->moduleclass) { + if (!data->moduleclass || + strcmp(req->moduleclass, data->moduleclass)) { + xf86MsgVerb(X_WARNING, 2, "Module class (%s) doesn't match " + "the required class (%s)\n", + data->moduleclass ? data->moduleclass : "<NONE>", + req->moduleclass); + return FALSE; + } + } + else if (req->abiclass != ABI_CLASS_NONE) { + if (!data->abiclass || strcmp(req->abiclass, data->abiclass)) { + xf86MsgVerb(X_WARNING, 2, "ABI class (%s) doesn't match the " + "required ABI class (%s)\n", + data->abiclass ? data->abiclass : "<NONE>", + req->abiclass); + return FALSE; + } + } + if ((req->abiclass != ABI_CLASS_NONE) && + req->abiversion != ABI_VERS_UNSPEC) { + int reqmaj, reqmin, maj, min; + + reqmaj = GET_ABI_MAJOR(req->abiversion); + reqmin = GET_ABI_MINOR(req->abiversion); + maj = GET_ABI_MAJOR(data->abiversion); + min = GET_ABI_MINOR(data->abiversion); + if (maj != reqmaj) { + xf86MsgVerb(X_WARNING, 2, "ABI major version (%d) doesn't " + "match the required ABI major version (%d)\n", + maj, reqmaj); + return FALSE; + } + /* XXX Maybe this should be the other way around? */ + if (min > reqmin) { + xf86MsgVerb(X_WARNING, 2, "module ABI minor version (%d) " + "is newer than that available (%d)\n", min, reqmin); + return FALSE; + } + } } return TRUE; } @@ -738,31 +745,31 @@ AddSibling(ModuleDescPtr head, ModuleDescPtr new) pointer LoadSubModule(pointer _parent, const char *module, - const char **subdirlist, const char **patternlist, - pointer options, const XF86ModReqInfo * modreq, - int *errmaj, int *errmin) + const char **subdirlist, const char **patternlist, + pointer options, const XF86ModReqInfo * modreq, + int *errmaj, int *errmin) { ModuleDescPtr submod; - ModuleDescPtr parent = (ModuleDescPtr)_parent; + ModuleDescPtr parent = (ModuleDescPtr) _parent; xf86MsgVerb(X_INFO, 3, "Loading sub module \"%s\"\n", module); if (PathIsAbsolute(module)) { - xf86Msg(X_ERROR, - "LoadSubModule: Absolute module path not permitted: \"%s\"\n", - module); - if (errmaj) - *errmaj = LDR_BADUSAGE; - if (errmin) - *errmin = 0; - return NULL; + xf86Msg(X_ERROR, + "LoadSubModule: Absolute module path not permitted: \"%s\"\n", + module); + if (errmaj) + *errmaj = LDR_BADUSAGE; + if (errmin) + *errmin = 0; + return NULL; } submod = doLoadModule(module, NULL, subdirlist, patternlist, options, - modreq, errmaj, errmin); + modreq, errmaj, errmin); if (submod && submod != (ModuleDescPtr) 1) { - parent->child = AddSibling(parent->child, submod); - submod->parent = parent; + parent->child = AddSibling(parent->child, submod); + submod->parent = parent; } return submod; } @@ -773,7 +780,7 @@ NewModuleDesc(const char *name) ModuleDescPtr mdp = calloc(1, sizeof(ModuleDesc)); if (mdp) - mdp->name = xstrdup(name); + mdp->name = xstrdup(name); return mdp; } @@ -784,11 +791,11 @@ DuplicateModule(ModuleDescPtr mod, ModuleDescPtr parent) ModuleDescPtr ret; if (!mod) - return NULL; + return NULL; ret = NewModuleDesc(mod->name); if (ret == NULL) - return NULL; + return NULL; ret->handle = mod->handle; @@ -813,9 +820,8 @@ static const char *compiled_in_modules[] = { static ModuleDescPtr doLoadModule(const char *module, const char *path, const char **subdirlist, - const char **patternlist, pointer options, - const XF86ModReqInfo * modreq, - int *errmaj, int *errmin) + const char **patternlist, pointer options, + const XF86ModReqInfo * modreq, int *errmaj, int *errmin) { XF86ModuleData *initdata = NULL; char **pathlist = NULL; @@ -835,48 +841,48 @@ doLoadModule(const char *module, const char *path, const char **subdirlist, name = LoaderGetCanonicalName(module, patterns); noncanonical = (name && strcmp(module, name) != 0); if (noncanonical) { - xf86ErrorFVerb(3, " (%s)\n", name); - xf86MsgVerb(X_WARNING, 1, - "LoadModule: given non-canonical module name \"%s\"\n", - module); - m = name; - } else { - xf86ErrorFVerb(3, "\n"); - m = (char *)module; + xf86ErrorFVerb(3, " (%s)\n", name); + xf86MsgVerb(X_WARNING, 1, + "LoadModule: given non-canonical module name \"%s\"\n", + module); + m = name; + } + else { + xf86ErrorFVerb(3, "\n"); + m = (char *) module; } for (cim = compiled_in_modules; *cim; cim++) - if (!strcmp (m, *cim)) - { - xf86MsgVerb(X_INFO, 3, "Module \"%s\" already built-in\n", m); - ret = (ModuleDescPtr) 1; - goto LoadModule_exit; - } + if (!strcmp(m, *cim)) { + xf86MsgVerb(X_INFO, 3, "Module \"%s\" already built-in\n", m); + ret = (ModuleDescPtr) 1; + goto LoadModule_exit; + } if (!name) { - if (errmaj) - *errmaj = LDR_BADUSAGE; - if (errmin) - *errmin = 0; - goto LoadModule_fail; + if (errmaj) + *errmaj = LDR_BADUSAGE; + if (errmin) + *errmin = 0; + goto LoadModule_fail; } ret = NewModuleDesc(name); if (!ret) { - if (errmaj) - *errmaj = LDR_NOMEM; - if (errmin) - *errmin = 0; - goto LoadModule_fail; + if (errmaj) + *errmaj = LDR_NOMEM; + if (errmin) + *errmin = 0; + goto LoadModule_fail; } pathlist = InitPathList(path); if (!pathlist) { - /* This could be a malloc failure too */ - if (errmaj) - *errmaj = LDR_BADUSAGE; - if (errmin) - *errmin = 1; - goto LoadModule_fail; + /* This could be a malloc failure too */ + if (errmaj) + *errmaj = LDR_BADUSAGE; + if (errmin) + *errmin = 1; + goto LoadModule_fail; } /* @@ -884,35 +890,35 @@ doLoadModule(const char *module, const char *path, const char **subdirlist, * check the elements in the path */ if (PathIsAbsolute(module)) - found = xstrdup(module); + found = xstrdup(module); path_elem = pathlist; while (!found && *path_elem != NULL) { - found = FindModule(m, *path_elem, subdirlist, patterns); - path_elem++; - /* - * When the module name isn't the canonical name, search for the - * former if no match was found for the latter. - */ - if (!*path_elem && m == name) { - path_elem = pathlist; - m = (char *)module; - } + found = FindModule(m, *path_elem, subdirlist, patterns); + path_elem++; + /* + * When the module name isn't the canonical name, search for the + * former if no match was found for the latter. + */ + if (!*path_elem && m == name) { + path_elem = pathlist; + m = (char *) module; + } } /* * did we find the module? */ if (!found) { - xf86Msg(X_WARNING, "Warning, couldn't open module %s\n", module); - if (errmaj) - *errmaj = LDR_NOENT; - if (errmin) - *errmin = 0; - goto LoadModule_fail; + xf86Msg(X_WARNING, "Warning, couldn't open module %s\n", module); + if (errmaj) + *errmaj = LDR_NOENT; + if (errmin) + *errmin = 0; + goto LoadModule_fail; } ret->handle = LoaderOpen(found, errmaj, errmin); if (ret->handle == NULL) - goto LoadModule_fail; + goto LoadModule_fail; ret->path = strdup(found); /* drop any explicit suffix from the module name */ @@ -925,22 +931,22 @@ doLoadModule(const char *module, const char *path, const char **subdirlist, * present. */ if (asprintf(&p, "%sModuleData", name) == -1) { - p = NULL; - if (errmaj) - *errmaj = LDR_NOMEM; - if (errmin) - *errmin = 0; - goto LoadModule_fail; + p = NULL; + if (errmaj) + *errmaj = LDR_NOMEM; + if (errmin) + *errmin = 0; + goto LoadModule_fail; } initdata = LoaderSymbol(p); if (initdata) { - ModuleSetupProc setup; - ModuleTearDownProc teardown; - XF86ModuleVersionInfo *vers; + ModuleSetupProc setup; + ModuleTearDownProc teardown; + XF86ModuleVersionInfo *vers; - vers = initdata->vers; - setup = initdata->setup; - teardown = initdata->teardown; + vers = initdata->vers; + setup = initdata->setup; + teardown = initdata->teardown; if (vers) { if (!CheckVersion(module, vers, modreq)) { @@ -950,7 +956,8 @@ doLoadModule(const char *module, const char *path, const char **subdirlist, *errmin = 0; goto LoadModule_fail; } - } else { + } + else { xf86Msg(X_ERROR, "LoadModule: Module %s does not supply" " version information\n", module); @@ -960,41 +967,43 @@ doLoadModule(const char *module, const char *path, const char **subdirlist, *errmin = 0; goto LoadModule_fail; } - if (setup) - ret->SetupProc = setup; - if (teardown) - ret->TearDownProc = teardown; - ret->VersionInfo = vers; - } else { - /* No initdata is OK for external modules */ - if (options == EXTERN_MODULE) - goto LoadModule_exit; - - /* no initdata, fail the load */ - xf86Msg(X_ERROR, "LoadModule: Module %s does not have a %s " - "data object.\n", module, p); - if (errmaj) - *errmaj = LDR_INVALID; - if (errmin) - *errmin = 0; - goto LoadModule_fail; + if (setup) + ret->SetupProc = setup; + if (teardown) + ret->TearDownProc = teardown; + ret->VersionInfo = vers; + } + else { + /* No initdata is OK for external modules */ + if (options == EXTERN_MODULE) + goto LoadModule_exit; + + /* no initdata, fail the load */ + xf86Msg(X_ERROR, "LoadModule: Module %s does not have a %s " + "data object.\n", module, p); + if (errmaj) + *errmaj = LDR_INVALID; + if (errmin) + *errmin = 0; + goto LoadModule_fail; } if (ret->SetupProc) { - ret->TearDownData = ret->SetupProc(ret, options, errmaj, errmin); - if (!ret->TearDownData) { - goto LoadModule_fail; - } - } else if (options) { - xf86Msg(X_WARNING, "Module Options present, but no SetupProc " - "available for %s\n", module); + ret->TearDownData = ret->SetupProc(ret, options, errmaj, errmin); + if (!ret->TearDownData) { + goto LoadModule_fail; + } + } + else if (options) { + xf86Msg(X_WARNING, "Module Options present, but no SetupProc " + "available for %s\n", module); } goto LoadModule_exit; - LoadModule_fail: + LoadModule_fail: UnloadModule(ret); ret = NULL; - LoadModule_exit: + LoadModule_exit: FreePathList(pathlist); FreePatterns(patterns); free(found); @@ -1043,43 +1052,43 @@ doLoadModule(const char *module, const char *path, const char **subdirlist, */ ModuleDescPtr LoadModule(const char *module, const char *path, const char **subdirlist, - const char **patternlist, pointer options, - const XF86ModReqInfo * modreq, int *errmaj, int *errmin) + const char **patternlist, pointer options, + const XF86ModReqInfo * modreq, int *errmaj, int *errmin) { - return doLoadModule(module, path, subdirlist, patternlist, options, - modreq, errmaj, errmin); + return doLoadModule(module, path, subdirlist, patternlist, options, + modreq, errmaj, errmin); } void UnloadModule(pointer mod) { - UnloadModuleOrDriver((ModuleDescPtr)mod); + UnloadModuleOrDriver((ModuleDescPtr) mod); } static void UnloadModuleOrDriver(ModuleDescPtr mod) { if (mod == (ModuleDescPtr) 1) - return; + return; if (mod == NULL || mod->name == NULL) - return; + return; if (mod->parent) - xf86MsgVerb(X_INFO, 3, "UnloadSubModule: \"%s\"\n", mod->name); + xf86MsgVerb(X_INFO, 3, "UnloadSubModule: \"%s\"\n", mod->name); else - xf86MsgVerb(X_INFO, 3, "UnloadModule: \"%s\"\n", mod->name); + xf86MsgVerb(X_INFO, 3, "UnloadModule: \"%s\"\n", mod->name); if (mod->TearDownData != ModuleDuplicated) { - if ((mod->TearDownProc) && (mod->TearDownData)) - mod->TearDownProc(mod->TearDownData); - LoaderUnload(mod->name, mod->handle); + if ((mod->TearDownProc) && (mod->TearDownData)) + mod->TearDownProc(mod->TearDownData); + LoaderUnload(mod->name, mod->handle); } if (mod->child) - UnloadModuleOrDriver(mod->child); + UnloadModuleOrDriver(mod->child); if (mod->sib) - UnloadModuleOrDriver(mod->sib); + UnloadModuleOrDriver(mod->sib); free(mod->path); free(mod->name); free(mod); @@ -1088,11 +1097,11 @@ UnloadModuleOrDriver(ModuleDescPtr mod) void UnloadSubModule(pointer _mod) { - ModuleDescPtr mod = (ModuleDescPtr)_mod; + ModuleDescPtr mod = (ModuleDescPtr) _mod; /* Some drivers are calling us on built-in submodules, ignore them */ - if (mod == (ModuleDescPtr)1) - return; + if (mod == (ModuleDescPtr) 1) + return; RemoveChild(mod); UnloadModuleOrDriver(mod); } @@ -1105,22 +1114,22 @@ RemoveChild(ModuleDescPtr child) ModuleDescPtr parent; if (!child->parent) - return; + return; parent = child->parent; if (parent->child == child) { - parent->child = child->sib; - return; + parent->child = child->sib; + return; } prevsib = parent->child; mdp = prevsib->sib; while (mdp && mdp != child) { - prevsib = mdp; - mdp = mdp->sib; + prevsib = mdp; + mdp = mdp->sib; } if (mdp == child) - prevsib->sib = child->sib; + prevsib->sib = child->sib; child->sib = NULL; return; } @@ -1133,63 +1142,63 @@ LoaderErrorMsg(const char *name, const char *modname, int errmaj, int errmin) switch (errmaj) { case LDR_NOERROR: - msg = "no error"; - break; + msg = "no error"; + break; case LDR_NOMEM: - msg = "out of memory"; - break; + msg = "out of memory"; + break; case LDR_NOENT: - msg = "module does not exist"; - break; + msg = "module does not exist"; + break; case LDR_NOSUBENT: - msg = "a required submodule could not be loaded"; - break; + msg = "a required submodule could not be loaded"; + break; case LDR_NOSPACE: - msg = "too many modules"; - break; + msg = "too many modules"; + break; case LDR_NOMODOPEN: - msg = "open failed"; - break; + msg = "open failed"; + break; case LDR_UNKTYPE: - msg = "unknown module type"; - break; + msg = "unknown module type"; + break; case LDR_NOLOAD: - msg = "loader failed"; - break; + msg = "loader failed"; + break; case LDR_ONCEONLY: - msg = "already loaded"; + msg = "already loaded"; type = X_INFO; - break; + break; case LDR_NOPORTOPEN: - msg = "port open failed"; - break; + msg = "port open failed"; + break; case LDR_NOHARDWARE: - msg = "no hardware found"; - break; + msg = "no hardware found"; + break; case LDR_MISMATCH: - msg = "module requirement mismatch"; - break; + msg = "module requirement mismatch"; + break; case LDR_BADUSAGE: - msg = "invalid argument(s) to LoadModule()"; - break; + msg = "invalid argument(s) to LoadModule()"; + break; case LDR_INVALID: - msg = "invalid module"; - break; + msg = "invalid module"; + break; case LDR_BADOS: - msg = "module doesn't support this OS"; - break; + msg = "module doesn't support this OS"; + break; case LDR_MODSPECIFIC: - msg = "module-specific error"; - break; + msg = "module-specific error"; + break; default: - msg = "unknown error"; + msg = "unknown error"; } if (name) - xf86Msg(type, "%s: Failed to load module \"%s\" (%s, %d)\n", - name, modname, msg, errmin); + xf86Msg(type, "%s: Failed to load module \"%s\" (%s, %d)\n", + name, modname, msg, errmin); else - xf86Msg(type, "Failed to load module \"%s\" (%s, %d)\n", - modname, msg, errmin); + xf86Msg(type, "Failed to load module \"%s\" (%s, %d)\n", + modname, msg, errmin); } /* Given a module path or file name, return the module's canonical name */ @@ -1205,21 +1214,21 @@ LoaderGetCanonicalName(const char *modname, PatternPtr patterns) /* Strip off any leading path */ s = strrchr(modname, '/'); if (s == NULL) - s = modname; + s = modname; else - s++; + s++; /* Find the first regex that is matched */ for (p = patterns; p->pattern; p++) - if (regexec(&p->rex, s, 2, match, 0) == 0 && match[1].rm_so != -1) { - len = match[1].rm_eo - match[1].rm_so; - str = malloc(len + 1); - if (!str) - return NULL; - strncpy(str, s + match[1].rm_so, len); - str[len] = '\0'; - return str; - } + if (regexec(&p->rex, s, 2, match, 0) == 0 && match[1].rm_so != -1) { + len = match[1].rm_eo - match[1].rm_so; + str = malloc(len + 1); + if (!str) + return NULL; + strncpy(str, s + match[1].rm_so, len); + str[len] = '\0'; + return str; + } /* If there is no match, return the whole name minus the leading path */ return strdup(s); @@ -1232,9 +1241,9 @@ unsigned long LoaderGetModuleVersion(ModuleDescPtr mod) { if (!mod || mod == (ModuleDescPtr) 1 || !mod->VersionInfo) - return 0; + return 0; return MODULE_VERSION_NUMERIC(mod->VersionInfo->majorversion, - mod->VersionInfo->minorversion, - mod->VersionInfo->patchlevel); + mod->VersionInfo->minorversion, + mod->VersionInfo->patchlevel); } |