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-rw-r--r--fpgm.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/fpgm.c b/fpgm.c
new file mode 100644
index 0000000..65df105
--- /dev/null
+++ b/fpgm.c
@@ -0,0 +1,22 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+
+int
+libparsesfnt_parse_fpgm(
+ const char *data, size_t size,
+ uint8_t *programp,
+ const struct libparsesfnt_tabdir_entry *tag,
+ size_t first, size_t count)
+{
+ if (count > SIZE_MAX - first) {
+ errno = EFBIG;
+ return -1;
+ }
+ if (tag->offset < size || first + count > size - tag->offset) {
+ errno = EBFONT;
+ return -1;
+ }
+ memcpy(programp, &data[tag->offset + first], count - first);
+ return 0;
+}