From c350873c7c977efe5210484f04160be45f84ba7e Mon Sep 17 00:00:00 2001 From: Mike Gabriel Date: Fri, 21 Jul 2017 12:31:09 +0200 Subject: Convert nx-X11/lib/ build flow from imake to autotools. --- nx-X11/lib/src/IntAtom.c | 297 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 297 insertions(+) create mode 100644 nx-X11/lib/src/IntAtom.c (limited to 'nx-X11/lib/src/IntAtom.c') diff --git a/nx-X11/lib/src/IntAtom.c b/nx-X11/lib/src/IntAtom.c new file mode 100644 index 000000000..3042b65dd --- /dev/null +++ b/nx-X11/lib/src/IntAtom.c @@ -0,0 +1,297 @@ +/* + +Copyright 1986, 1990, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 OPEN GROUP 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 Open Group 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 Open Group. + +*/ + +#ifdef HAVE_CONFIG_H +#include +#endif +#include "Xlibint.h" +#include "Xintatom.h" + +#define HASH(sig) ((sig) & (TABLESIZE-1)) +#define REHASHVAL(sig) ((((sig) % (TABLESIZE-3)) + 2) | 1) +#define REHASH(idx,rehash) ((idx + rehash) & (TABLESIZE-1)) + +void +_XFreeAtomTable(Display *dpy) +{ + register Entry *table; + register int i; + register Entry e; + + if (dpy->atoms) { + table = dpy->atoms->table; + for (i = TABLESIZE; --i >= 0; ) { + if ((e = *table++) && (e != RESERVED)) + Xfree(e); + } + Xfree(dpy->atoms); + } +} + +static +Atom _XInternAtom( + Display *dpy, + _Xconst char *name, + Bool onlyIfExists, + unsigned long *psig, + int *pidx, + int *pn) +{ + register AtomTable *atoms; + register char *s1, c, *s2; + register unsigned long sig; + register int idx = 0, i; + Entry e; + int n, firstidx, rehash = 0; + xInternAtomReq *req; + + /* look in the cache first */ + if (!(atoms = dpy->atoms)) { + dpy->atoms = atoms = Xcalloc(1, sizeof(AtomTable)); + dpy->free_funcs->atoms = _XFreeAtomTable; + } + sig = 0; + for (s1 = (char *)name; (c = *s1++); ) + sig += c; + n = s1 - (char *)name - 1; + if (atoms) { + firstidx = idx = HASH(sig); + while ((e = atoms->table[idx])) { + if (e != RESERVED && e->sig == sig) { + for (i = n, s1 = (char *)name, s2 = EntryName(e); --i >= 0; ) { + if (*s1++ != *s2++) + goto nomatch; + } + if (!*s2) + return e->atom; + } +nomatch: if (idx == firstidx) + rehash = REHASHVAL(sig); + idx = REHASH(idx, rehash); + if (idx == firstidx) + break; + } + } + *psig = sig; + *pidx = idx; + if (atoms && !atoms->table[idx]) + atoms->table[idx] = RESERVED; /* reserve slot */ + *pn = n; + /* not found, go to the server */ + GetReq(InternAtom, req); + req->nbytes = n; + req->onlyIfExists = onlyIfExists; + req->length += (n+3)>>2; + Data(dpy, name, n); + return None; +} + +void +_XUpdateAtomCache( + Display *dpy, + const char *name, + Atom atom, + unsigned long sig, + int idx, + int n) +{ + Entry e, oe; + register char *s1; + register char c; + int firstidx, rehash; + + if (!dpy->atoms) { + if (idx < 0) { + dpy->atoms = Xcalloc(1, sizeof(AtomTable)); + dpy->free_funcs->atoms = _XFreeAtomTable; + } + if (!dpy->atoms) + return; + } + if (!sig) { + for (s1 = (char *)name; (c = *s1++); ) + sig += c; + n = s1 - (char *)name - 1; + if (idx < 0) { + firstidx = idx = HASH(sig); + if (dpy->atoms->table[idx]) { + rehash = REHASHVAL(sig); + do + idx = REHASH(idx, rehash); + while (idx != firstidx && dpy->atoms->table[idx]); + } + } + } + e = Xmalloc(sizeof(EntryRec) + n + 1); + if (e) { + e->sig = sig; + e->atom = atom; + strcpy(EntryName(e), name); + if ((oe = dpy->atoms->table[idx]) && (oe != RESERVED)) + Xfree(oe); + dpy->atoms->table[idx] = e; + } +} + +Atom +XInternAtom ( + Display *dpy, + const char *name, + Bool onlyIfExists) +{ + Atom atom; + unsigned long sig; + int idx, n; + xInternAtomReply rep; + + if (!name) + name = ""; + LockDisplay(dpy); + if ((atom = _XInternAtom(dpy, name, onlyIfExists, &sig, &idx, &n))) { + UnlockDisplay(dpy); + return atom; + } + if (dpy->atoms && dpy->atoms->table[idx] == RESERVED) + dpy->atoms->table[idx] = NULL; /* unreserve slot */ + if (_XReply (dpy, (xReply *)&rep, 0, xTrue)) { + if ((atom = rep.atom)) + _XUpdateAtomCache(dpy, name, atom, sig, idx, n); + } + UnlockDisplay(dpy); + SyncHandle(); + return (rep.atom); +} + +typedef struct { + unsigned long start_seq; + unsigned long stop_seq; + char **names; + Atom *atoms; + int count; + Status status; +} _XIntAtomState; + +static +Bool _XIntAtomHandler( + register Display *dpy, + register xReply *rep, + char *buf, + int len, + XPointer data) +{ + register _XIntAtomState *state; + register int i, idx = 0; + xInternAtomReply replbuf; + register xInternAtomReply *repl; + + state = (_XIntAtomState *)data; + if (dpy->last_request_read < state->start_seq || + dpy->last_request_read > state->stop_seq) + return False; + for (i = 0; i < state->count; i++) { + if (state->atoms[i] & 0x80000000) { + idx = ~state->atoms[i]; + state->atoms[i] = None; + break; + } + } + if (i >= state->count) + return False; + if (rep->generic.type == X_Error) { + state->status = 0; + return False; + } + repl = (xInternAtomReply *) + _XGetAsyncReply(dpy, (char *)&replbuf, rep, buf, len, + (SIZEOF(xInternAtomReply) - SIZEOF(xReply)) >> 2, + True); + if ((state->atoms[i] = repl->atom)) + _XUpdateAtomCache(dpy, state->names[i], (Atom) repl->atom, + (unsigned long)0, idx, 0); + return True; +} + +Status +XInternAtoms ( + Display *dpy, + char **names, + int count, + Bool onlyIfExists, + Atom *atoms_return) +{ + int i, idx, n, tidx; + unsigned long sig; + _XAsyncHandler async; + _XIntAtomState async_state; + int missed = -1; + xInternAtomReply rep; + + LockDisplay(dpy); + async_state.start_seq = dpy->request + 1; + async_state.atoms = atoms_return; + async_state.names = names; + async_state.count = count - 1; + async_state.status = 1; + async.next = dpy->async_handlers; + async.handler = _XIntAtomHandler; + async.data = (XPointer)&async_state; + dpy->async_handlers = &async; + for (i = 0; i < count; i++) { + if (!(atoms_return[i] = _XInternAtom(dpy, names[i], onlyIfExists, + &sig, &idx, &n))) { + missed = i; + atoms_return[i] = ~((Atom)idx); + async_state.stop_seq = dpy->request; + } + } + if (missed >= 0) { + if (dpy->atoms) { + /* unreserve anything we just reserved */ + for (i = 0; i < count; i++) { + if (atoms_return[i] & 0x80000000) { + tidx = ~atoms_return[i]; + if (dpy->atoms->table[tidx] == RESERVED) + dpy->atoms->table[tidx] = NULL; + } + } + } + if (_XReply (dpy, (xReply *)&rep, 0, xTrue)) { + if ((atoms_return[missed] = rep.atom)) + _XUpdateAtomCache(dpy, names[missed], (Atom) rep.atom, + sig, idx, n); + } else { + atoms_return[missed] = None; + async_state.status = 0; + } + } + DeqAsyncHandler(dpy, &async); + UnlockDisplay(dpy); + if (missed >= 0) + SyncHandle(); + return async_state.status; +} -- cgit v1.2.3