diff options
Diffstat (limited to 'fpgm.c')
-rw-r--r-- | fpgm.c | 22 |
1 files changed, 22 insertions, 0 deletions
@@ -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; +} |