diff options
Diffstat (limited to 'libXfont/src/builtins/file.c')
-rw-r--r-- | libXfont/src/builtins/file.c | 260 |
1 files changed, 130 insertions, 130 deletions
diff --git a/libXfont/src/builtins/file.c b/libXfont/src/builtins/file.c index 549253926..9fcc25f3f 100644 --- a/libXfont/src/builtins/file.c +++ b/libXfont/src/builtins/file.c @@ -1,130 +1,130 @@ -/* - * Copyright 1999 SuSE, Inc. - * - * 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, and that the name of SuSE not be used in advertising or - * publicity pertaining to distribution of the software without specific, - * written prior permission. SuSE makes no representations about the - * suitability of this software for any purpose. It is provided "as is" - * without express or implied warranty. - * - * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE - * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Keith Packard, SuSE, Inc. - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <string.h> -#include "builtin.h" - -typedef struct _BuiltinIO { - int offset; - BuiltinFilePtr file; -} BuiltinIORec, *BuiltinIOPtr; - -static int -BuiltinFill (BufFilePtr f) -{ - int left, len; - BuiltinIOPtr io = ((BuiltinIOPtr) f->private); - - left = io->file->len - io->offset; - if (left <= 0) - { - f->left = 0; - return BUFFILEEOF; - } - len = BUFFILESIZE; - if (len > left) - len = left; - memcpy (f->buffer, io->file->bits + io->offset, len); - io->offset += len; - f->left = len - 1; - f->bufp = f->buffer + 1; - return f->buffer[0]; -} - -static int -BuiltinSkip (BufFilePtr f, int count) -{ - BuiltinIOPtr io = ((BuiltinIOPtr) f->private); - int curoff; - int fileoff; - int todo; - - curoff = f->bufp - f->buffer; - fileoff = curoff + f->left; - if (curoff + count <= fileoff) { - f->bufp += count; - f->left -= count; - } else { - todo = count - (fileoff - curoff); - io->offset += todo; - if (io->offset > io->file->len) - io->offset = io->file->len; - if (io->offset < 0) - io->offset = 0; - f->left = 0; - } - return count; -} - -static int -BuiltinClose (BufFilePtr f, int unused) -{ - BuiltinIOPtr io = ((BuiltinIOPtr) f->private); - - free (io); - return 1; -} - - -FontFilePtr -BuiltinFileOpen (char *name) -{ - int i; - BuiltinIOPtr io; - BufFilePtr raw, cooked; - - if (*name == '/') name++; - for (i = 0; i < builtin_files_count; i++) - if (!strcmp (name, builtin_files[i].name)) - break; - if (i == builtin_files_count) - return NULL; - io = malloc (sizeof (BuiltinIORec)); - if (!io) - return NULL; - io->offset = 0; - io->file = (void *) &builtin_files[i]; - raw = BufFileCreate ((char *) io, BuiltinFill, 0, BuiltinSkip, BuiltinClose); - if (!raw) - { - free (io); - return NULL; - } - if ((cooked = BufFilePushZIP (raw))) - raw = cooked; - else - { - raw->left += raw->bufp - raw->buffer; - raw->bufp = raw->buffer; - } - return (FontFilePtr) raw; -} - -int -BuiltinFileClose (FontFilePtr f, int unused) -{ - return BufFileClose ((BufFilePtr) f, TRUE); -} +/*
+ * Copyright 1999 SuSE, Inc.
+ *
+ * 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, and that the name of SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. SuSE makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author: Keith Packard, SuSE, Inc.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <string.h>
+#include "builtin.h"
+
+typedef struct _BuiltinIO {
+ int offset;
+ BuiltinFilePtr file;
+} BuiltinIORec, *BuiltinIOPtr;
+
+static int
+BuiltinFill (BufFilePtr f)
+{
+ int left, len;
+ BuiltinIOPtr io = ((BuiltinIOPtr) f->private);
+
+ left = io->file->len - io->offset;
+ if (left <= 0)
+ {
+ f->left = 0;
+ return BUFFILEEOF;
+ }
+ len = BUFFILESIZE;
+ if (len > left)
+ len = left;
+ memcpy (f->buffer, io->file->bits + io->offset, len);
+ io->offset += len;
+ f->left = len - 1;
+ f->bufp = f->buffer + 1;
+ return f->buffer[0];
+}
+
+static int
+BuiltinSkip (BufFilePtr f, int count)
+{
+ BuiltinIOPtr io = ((BuiltinIOPtr) f->private);
+ int curoff;
+ int fileoff;
+ int todo;
+
+ curoff = f->bufp - f->buffer;
+ fileoff = curoff + f->left;
+ if (curoff + count <= fileoff) {
+ f->bufp += count;
+ f->left -= count;
+ } else {
+ todo = count - (fileoff - curoff);
+ io->offset += todo;
+ if (io->offset > io->file->len)
+ io->offset = io->file->len;
+ if (io->offset < 0)
+ io->offset = 0;
+ f->left = 0;
+ }
+ return count;
+}
+
+static int
+BuiltinClose (BufFilePtr f, int unused)
+{
+ BuiltinIOPtr io = ((BuiltinIOPtr) f->private);
+
+ free (io);
+ return 1;
+}
+
+
+FontFilePtr
+BuiltinFileOpen (char *name)
+{
+ int i;
+ BuiltinIOPtr io;
+ BufFilePtr raw, cooked;
+
+ if (*name == '/') name++;
+ for (i = 0; i < builtin_files_count; i++)
+ if (!strcmp (name, builtin_files[i].name))
+ break;
+ if (i == builtin_files_count)
+ return NULL;
+ io = malloc (sizeof (BuiltinIORec));
+ if (!io)
+ return NULL;
+ io->offset = 0;
+ io->file = (void *) &builtin_files[i];
+ raw = BufFileCreate ((char *) io, BuiltinFill, 0, BuiltinSkip, BuiltinClose);
+ if (!raw)
+ {
+ free (io);
+ return NULL;
+ }
+ if ((cooked = BufFilePushZIP (raw)))
+ raw = cooked;
+ else
+ {
+ raw->left += raw->bufp - raw->buffer;
+ raw->bufp = raw->buffer;
+ }
+ return (FontFilePtr) raw;
+}
+
+int
+BuiltinFileClose (FontFilePtr f, int unused)
+{
+ return BufFileClose ((BufFilePtr) f, TRUE);
+}
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