aboutsummaryrefslogtreecommitdiff
path: root/libXfont/src/util/private.c
diff options
context:
space:
mode:
Diffstat (limited to 'libXfont/src/util/private.c')
-rw-r--r--libXfont/src/util/private.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/libXfont/src/util/private.c b/libXfont/src/util/private.c
new file mode 100644
index 000000000..85e90e57b
--- /dev/null
+++ b/libXfont/src/util/private.c
@@ -0,0 +1,107 @@
+/* $Xorg: private.c,v 1.4 2001/02/09 02:04:04 xorgcvs Exp $ */
+
+/*
+
+Copyright 1991, 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.
+
+*/
+/* $XFree86: xc/lib/font/util/private.c,v 1.8tsi Exp $ */
+
+/*
+ * Author: Keith Packard, MIT X Consortium
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/fonts/fontmisc.h>
+#include <X11/fonts/fontstruct.h>
+
+static int _FontPrivateAllocateIndex = 0;
+
+int
+AllocateFontPrivateIndex (void)
+{
+ return _FontPrivateAllocateIndex++;
+}
+
+FontPtr
+CreateFontRec (void)
+{
+ FontPtr pFont;
+ int size;
+
+ size = sizeof(FontRec) + (sizeof(pointer) * _FontPrivateAllocateIndex);
+
+ pFont = (FontPtr)xalloc(size);
+
+ if(pFont) {
+ bzero((char*)pFont, size);
+ pFont->maxPrivate = _FontPrivateAllocateIndex - 1;
+ if(_FontPrivateAllocateIndex)
+ pFont->devPrivates = (pointer)(&pFont[1]);
+ }
+
+ return pFont;
+}
+
+void
+DestroyFontRec (FontPtr pFont)
+{
+ if (pFont->devPrivates && pFont->devPrivates != (pointer)(&pFont[1]))
+ xfree(pFont->devPrivates);
+ xfree(pFont);
+}
+
+void
+ResetFontPrivateIndex (void)
+{
+ _FontPrivateAllocateIndex = 0;
+}
+
+Bool
+_FontSetNewPrivate (FontPtr pFont, int n, pointer ptr)
+{
+ pointer *new;
+
+ if (n > pFont->maxPrivate) {
+ if (pFont->devPrivates && pFont->devPrivates != (pointer)(&pFont[1])) {
+ new = (pointer *) xrealloc (pFont->devPrivates, (n + 1) * sizeof (pointer));
+ if (!new)
+ return FALSE;
+ } else {
+ new = (pointer *) xalloc ((n + 1) * sizeof (pointer));
+ if (!new)
+ return FALSE;
+ if (pFont->devPrivates)
+ memcpy (new, pFont->devPrivates, (pFont->maxPrivate + 1) * sizeof (pointer));
+ }
+ pFont->devPrivates = new;
+ /* zero out new, uninitialized privates */
+ while(++pFont->maxPrivate < n)
+ pFont->devPrivates[pFont->maxPrivate] = (pointer)0;
+ }
+ pFont->devPrivates[n] = ptr;
+ return TRUE;
+}
+