1 files changed, 137 insertions, 0 deletions
diff --git a/nx-X11/lib/src/FontNames.c b/nx-X11/lib/src/FontNames.c
new file mode 100644
index 000000000..9ffdfd299
--- /dev/null
+++ b/nx-X11/lib/src/FontNames.c
@@ -0,0 +1,137 @@
+/*
+
+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.
+
+*/
+
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+#include <limits.h>
+
+char **
+XListFonts(
+register Display *dpy,
+_Xconst char *pattern,  /* null-terminated */
+int maxNames,
+int *actualCount)	/* RETURN */
+{
+    register long nbytes;
+    register unsigned i;
+    register int length;
+    char **flist = NULL;
+    char *ch = NULL;
+    char *chstart;
+    char *chend;
+    int count = 0;
+    xListFontsReply rep;
+    register xListFontsReq *req;
+    unsigned long rlen = 0;
+
+    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 = Xmalloc (rep.nFonts * sizeof(char *));
+	if (rep.length > 0 && rep.length < (INT_MAX >> 2)) {
+	    rlen = rep.length << 2;
+	    ch = Xmalloc(rlen + 1);
+	    /* +1 to leave room for last null-terminator */
+	}
+
+	if ((! flist) || (! ch)) {
+	    Xfree(flist);
+	    Xfree(ch);
+	    _XEatDataWords(dpy, rep.length);
+	    *actualCount = 0;
+	    UnlockDisplay(dpy);
+	    SyncHandle();
+	    return (char **) NULL;
+	}
+
+	_XReadPad (dpy, ch, rlen);
+	/*
+	 * unpack into null terminated strings.
+	 */
+	chstart = ch;
+	chend = ch + (rlen + 1);
+	length = *(unsigned char *)ch;
+	*ch = 1; /* make sure it is non-zero for XFreeFontNames */
+	for (i = 0; i < rep.nFonts; i++) {
+	    if (ch + length < chend) {
+		flist[i] = ch + 1;  /* skip over length */
+		ch += length + 1;  /* find next length ... */
+		if (ch <= chend) {
+		    length = *(unsigned char *)ch;
+		    *ch = '\0';  /* and replace with null-termination */
+		    count++;
+		} else {
+                    Xfree(chstart);
+                    Xfree(flist);
+                    flist = NULL;
+                    count = 0;
+                    break;
+		}
+	    } else {
+                Xfree(chstart);
+                Xfree(flist);
+                flist = NULL;
+                count = 0;
+                break;
+            }
+	}
+    }
+    *actualCount = count;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    return (flist);
+}
+
+int
+XFreeFontNames(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 (list);
+	}
+	return 1;
+}