diff options
Diffstat (limited to 'source/blender/imbuf/intern/jpeg.c')
| -rw-r--r-- | source/blender/imbuf/intern/jpeg.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/source/blender/imbuf/intern/jpeg.c b/source/blender/imbuf/intern/jpeg.c index 525284bd867..93cdbbb1407 100644 --- a/source/blender/imbuf/intern/jpeg.c +++ b/source/blender/imbuf/intern/jpeg.c @@ -57,12 +57,13 @@ static ImBuf *ibJpegImageFromCinfo(struct jpeg_decompress_struct *cinfo, int fla static const uchar jpeg_default_quality = 75; static uchar ibuf_quality; -int imb_is_a_jpeg(const unsigned char *mem) +bool imb_is_a_jpeg(const unsigned char *mem, const size_t size) { - if ((mem[0] == 0xFF) && (mem[1] == 0xD8)) { - return 1; + const char magic[2] = {0xFF, 0xD8}; + if (size < sizeof(magic)) { + return false; } - return 0; + return memcmp(mem, magic, sizeof(magic)) == 0; } /*---------------------------------------------------------- @@ -246,7 +247,7 @@ static boolean handle_app1(j_decompress_ptr cinfo) INPUT_BYTE(cinfo, neogeo[i], return false); } length = 0; - if (STREQLEN(neogeo, "NeoGeo", 6)) { + if (STRPREFIX(neogeo, "NeoGeo")) { struct NeoGeo_Word *neogeo_word = (struct NeoGeo_Word *)(neogeo + 6); ibuf_quality = neogeo_word->quality; } @@ -362,7 +363,7 @@ static ImBuf *ibJpegImageFromCinfo(struct jpeg_decompress_struct *cinfo, int fla * That is why we need split it to the * common key/value here. */ - if (!STREQLEN(str, "Blender", 7)) { + if (!STRPREFIX(str, "Blender")) { /* * Maybe the file have text that * we don't know "what it's", in that @@ -429,7 +430,7 @@ ImBuf *imb_load_jpeg(const unsigned char *buffer, struct my_error_mgr jerr; ImBuf *ibuf; - if (!imb_is_a_jpeg(buffer)) { + if (!imb_is_a_jpeg(buffer, size)) { return NULL; } @@ -608,7 +609,7 @@ static int init_jpeg(FILE *outfile, struct jpeg_compress_struct *cinfo, struct I return 0; } -static int save_stdjpeg(const char *name, struct ImBuf *ibuf) +static bool save_stdjpeg(const char *name, struct ImBuf *ibuf) { FILE *outfile; struct jpeg_compress_struct _cinfo, *cinfo = &_cinfo; @@ -642,7 +643,7 @@ static int save_stdjpeg(const char *name, struct ImBuf *ibuf) return 1; } -int imb_savejpeg(struct ImBuf *ibuf, const char *filepath, int flags) +bool imb_savejpeg(struct ImBuf *ibuf, const char *filepath, int flags) { ibuf->flags = flags; |