From 3562e78743202e43aec8727005182a2558117eca Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 28 Jun 2009 22:07:26 +0000 Subject: Checked in the following released items: xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz --- xorg-server/dix/registry.c | 336 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 336 insertions(+) create mode 100644 xorg-server/dix/registry.c (limited to 'xorg-server/dix/registry.c') diff --git a/xorg-server/dix/registry.c b/xorg-server/dix/registry.c new file mode 100644 index 000000000..a519cff6b --- /dev/null +++ b/xorg-server/dix/registry.c @@ -0,0 +1,336 @@ +/************************************************************ + +Author: Eamon Walsh + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +this permission notice appear in supporting documentation. 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 +AUTHOR 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. + +********************************************************/ + +#ifdef HAVE_DIX_CONFIG_H +#include +#endif + +#ifdef XREGISTRY + +#include +#include +#include +#include +#include "resource.h" +#include "registry.h" + +#define BASE_SIZE 16 +#define CORE "X11" +#define FILENAME SERVER_MISC_CONFIG_PATH "/protocol.txt" + +#define PROT_COMMENT '#' +#define PROT_REQUEST 'R' +#define PROT_EVENT 'V' +#define PROT_ERROR 'E' + +static FILE *fh; + +static char ***requests, **events, **errors, **resources; +static unsigned nmajor, *nminor, nevent, nerror, nresource; + +/* + * File parsing routines + */ +static int double_size(void *p, unsigned n, unsigned size) +{ + char **ptr = (char **)p; + unsigned s, f; + + if (n) { + s = n * size; + n *= 2 * size; + f = n; + } else { + s = 0; + n = f = BASE_SIZE * size; + } + + *ptr = xrealloc(*ptr, n); + if (!*ptr) { + dixResetRegistry(); + return FALSE; + } + memset(*ptr + s, 0, f - s); + return TRUE; +} + +static void +RegisterRequestName(unsigned major, unsigned minor, char *name) +{ + while (major >= nmajor) { + if (!double_size(&requests, nmajor, sizeof(char **))) + return; + if (!double_size(&nminor, nmajor, sizeof(unsigned))) + return; + nmajor = nmajor ? nmajor * 2 : BASE_SIZE; + } + while (minor >= nminor[major]) { + if (!double_size(requests+major, nminor[major], sizeof(char *))) + return; + nminor[major] = nminor[major] ? nminor[major] * 2 : BASE_SIZE; + } + + free(requests[major][minor]); + requests[major][minor] = name; +} + +static void +RegisterEventName(unsigned event, char *name) { + while (event >= nevent) { + if (!double_size(&events, nevent, sizeof(char *))) + return; + nevent = nevent ? nevent * 2 : BASE_SIZE; + } + + free(events[event]); + events[event] = name; +} + +static void +RegisterErrorName(unsigned error, char *name) { + while (error >= nerror) { + if (!double_size(&errors, nerror, sizeof(char *))) + return; + nerror = nerror ? nerror * 2 : BASE_SIZE; + } + + free(errors[error]); + errors[error] = name; +} + +void +RegisterExtensionNames(ExtensionEntry *extEntry) +{ + char buf[256], *lineobj, *ptr; + unsigned offset; + + if (fh == NULL) + return; + + rewind(fh); + + while (fgets(buf, sizeof(buf), fh)) { + lineobj = NULL; + ptr = strchr(buf, '\n'); + if (ptr) + *ptr = 0; + + /* Check for comments or empty lines */ + switch (buf[0]) { + case PROT_REQUEST: + case PROT_EVENT: + case PROT_ERROR: + break; + case PROT_COMMENT: + case '\0': + continue; + default: + goto invalid; + } + + /* Check for space character in the fifth position */ + ptr = strchr(buf, ' '); + if (!ptr || ptr != buf + 4) + goto invalid; + + /* Duplicate the string after the space */ + lineobj = strdup(ptr + 1); + if (!lineobj) + continue; + + /* Check for a colon somewhere on the line */ + ptr = strchr(buf, ':'); + if (!ptr) + goto invalid; + + /* Compare the part before colon with the target extension name */ + *ptr = 0; + if (strcmp(buf + 5, extEntry->name)) + goto skip; + + /* Get the opcode for the request, event, or error */ + offset = strtol(buf + 1, &ptr, 10); + if (offset == 0 && ptr == buf + 1) + goto invalid; + + /* Save the strdup result in the registry */ + switch(buf[0]) { + case PROT_REQUEST: + if (extEntry->base) + RegisterRequestName(extEntry->base, offset, lineobj); + else + RegisterRequestName(offset, 0, lineobj); + continue; + case PROT_EVENT: + RegisterEventName(extEntry->eventBase + offset, lineobj); + continue; + case PROT_ERROR: + RegisterErrorName(extEntry->errorBase + offset, lineobj); + continue; + } + + invalid: + LogMessage(X_WARNING, "Invalid line in " FILENAME ", skipping\n"); + skip: + free(lineobj); + } +} + +/* + * Registration functions + */ + +void +RegisterResourceName(RESTYPE resource, char *name) +{ + resource &= TypeMask; + + while (resource >= nresource) { + if (!double_size(&resources, nresource, sizeof(char *))) + return; + nresource = nresource ? nresource * 2 : BASE_SIZE; + } + + resources[resource] = name; +} + +/* + * Lookup functions + */ + +const char * +LookupRequestName(int major, int minor) +{ + if (major >= nmajor) + return XREGISTRY_UNKNOWN; + if (minor >= nminor[major]) + return XREGISTRY_UNKNOWN; + + return requests[major][minor] ? requests[major][minor] : XREGISTRY_UNKNOWN; +} + +const char * +LookupMajorName(int major) +{ + if (major < 128) { + const char *retval; + + if (major >= nmajor) + return XREGISTRY_UNKNOWN; + if (0 >= nminor[major]) + return XREGISTRY_UNKNOWN; + + retval = requests[major][0]; + return retval ? retval + sizeof(CORE) : XREGISTRY_UNKNOWN; + } else { + ExtensionEntry *extEntry = GetExtensionEntry(major); + return extEntry ? extEntry->name : XREGISTRY_UNKNOWN; + } +} + +const char * +LookupEventName(int event) +{ + event &= 127; + if (event >= nevent) + return XREGISTRY_UNKNOWN; + + return events[event] ? events[event] : XREGISTRY_UNKNOWN; +} + +const char * +LookupErrorName(int error) +{ + if (error >= nerror) + return XREGISTRY_UNKNOWN; + + return errors[error] ? errors[error] : XREGISTRY_UNKNOWN; +} + +const char * +LookupResourceName(RESTYPE resource) +{ + resource &= TypeMask; + if (resource >= nresource) + return XREGISTRY_UNKNOWN; + + return resources[resource] ? resources[resource] : XREGISTRY_UNKNOWN; +} + +/* + * Setup and teardown + */ +void +dixResetRegistry(void) +{ + ExtensionEntry extEntry; + + /* Free all memory */ + while (nmajor--) { + while (nminor[nmajor]) + free(requests[nmajor][--nminor[nmajor]]); + xfree(requests[nmajor]); + } + xfree(requests); + xfree(nminor); + + while (nevent--) + free(events[nevent]); + xfree(events); + + while (nerror--) + free(errors[nerror]); + xfree(errors); + + xfree(resources); + + requests = NULL; + nminor = NULL; + events = NULL; + errors = NULL; + resources = NULL; + + nmajor = nevent = nerror = nresource = 0; + + /* Open the protocol file */ + if (fh) + fclose(fh); + fh = fopen(FILENAME, "r"); + if (!fh) + LogMessage(X_WARNING, "Failed to open protocol names file " FILENAME); + + /* Add built-in resources */ + RegisterResourceName(RT_NONE, "NONE"); + RegisterResourceName(RT_WINDOW, "WINDOW"); + RegisterResourceName(RT_PIXMAP, "PIXMAP"); + RegisterResourceName(RT_GC, "GC"); + RegisterResourceName(RT_FONT, "FONT"); + RegisterResourceName(RT_CURSOR, "CURSOR"); + RegisterResourceName(RT_COLORMAP, "COLORMAP"); + RegisterResourceName(RT_CMAPENTRY, "COLORMAP ENTRY"); + RegisterResourceName(RT_OTHERCLIENT, "OTHER CLIENT"); + RegisterResourceName(RT_PASSIVEGRAB, "PASSIVE GRAB"); + + /* Add the core protocol */ + memset(&extEntry, 0, sizeof(extEntry)); + extEntry.name = CORE; + RegisterExtensionNames(&extEntry); +} + +#endif /* XREGISTRY */ -- cgit v1.2.3