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-rw-r--r--src/FontNames.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/src/FontNames.c b/src/FontNames.c
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+++ b/src/FontNames.c
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+/* $Xorg: FontNames.c,v 1.4 2001/02/09 02:03:33 xorgcvs Exp $ */
+/*
+
+Copyright 1986, 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.
+
+*/
+
+#define NEED_REPLIES
+#include "Xlibint.h"
+
+#if NeedFunctionPrototypes
+char **XListFonts(
+register Display *dpy,
+_Xconst char *pattern, /* null-terminated */
+int maxNames,
+int *actualCount) /* RETURN */
+#else
+char **XListFonts(dpy, pattern, maxNames, actualCount)
+register Display *dpy;
+char *pattern; /* null-terminated */
+int maxNames;
+int *actualCount; /* RETURN */
+#endif
+{
+ register long nbytes;
+ register unsigned i;
+ register int length;
+ char **flist;
+ char *ch;
+ xListFontsReply rep;
+ register xListFontsReq *req;
+ register long rlen;
+
+ LockDisplay(dpy);
+ GetReq(ListFonts, req);
+ req->maxNames = maxNames;
+ nbytes = req->nbytes = pattern ? strlen (pattern) : 0;
+ req->length += (nbytes + 3) >> 2;
+ _XSend (dpy, pattern, nbytes);
+ /* use _XSend instead of Data, since following _XReply will flush buffer */
+
+ if (!_XReply (dpy, (xReply *)&rep, 0, xFalse)) {
+ *actualCount = 0;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return (char **) NULL;
+ }
+
+ if (rep.nFonts) {
+ flist = (char **)Xmalloc ((unsigned)rep.nFonts * sizeof(char *));
+ rlen = rep.length << 2;
+ ch = (char *) Xmalloc((unsigned) (rlen + 1));
+ /* +1 to leave room for last null-terminator */
+
+ if ((! flist) || (! ch)) {
+ if (flist) Xfree((char *) flist);
+ if (ch) Xfree(ch);
+ _XEatData(dpy, (unsigned long) rlen);
+ *actualCount = 0;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return (char **) NULL;
+ }
+
+ _XReadPad (dpy, ch, rlen);
+ /*
+ * unpack into null terminated strings.
+ */
+ length = *(unsigned char *)ch;
+ *ch = 1; /* make sure it is non-zero for XFreeFontNames */
+ for (i = 0; i < rep.nFonts; i++) {
+ flist[i] = ch + 1; /* skip over length */
+ ch += length + 1; /* find next length ... */
+ length = *(unsigned char *)ch;
+ *ch = '\0'; /* and replace with null-termination */
+ }
+ }
+ else flist = (char **) NULL;
+ *actualCount = rep.nFonts;
+ UnlockDisplay(dpy);
+ SyncHandle();
+ return (flist);
+}
+
+XFreeFontNames(list)
+char **list;
+{
+ if (list) {
+ if (!*(list[0]-1)) { /* from ListFontsWithInfo */
+ register char **names;
+ for (names = list+1; *names; names++)
+ Xfree (*names);
+ }
+ Xfree (list[0]-1);
+ Xfree ((char *)list);
+ }
+ return 1;
+}