diff options
Diffstat (limited to 'ext/gd/libgd/gd_bmp.c')
| -rw-r--r-- | ext/gd/libgd/gd_bmp.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/ext/gd/libgd/gd_bmp.c b/ext/gd/libgd/gd_bmp.c index 93a9d61601..8af8751299 100644 --- a/ext/gd/libgd/gd_bmp.c +++ b/ext/gd/libgd/gd_bmp.c @@ -711,7 +711,9 @@ static int bmp_read_direct(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, b /* There is a chance the data isn't until later, would be wierd but it is possible */ if (gdTell(infile) != header->off) { /* Should make sure we don't seek past the file size */ - gdSeek(infile, header->off); + if (!gdSeek(infile, header->off)) { + return 1; + } } /* The line must be divisible by 4, else its padded with NULLs */ @@ -806,7 +808,9 @@ static int bmp_read_1bit(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, bmp /* There is a chance the data isn't until later, would be wierd but it is possible */ if (gdTell(infile) != header->off) { /* Should make sure we don't seek past the file size */ - gdSeek(infile, header->off); + if (!gdSeek(infile, header->off)) { + return 1; + } } /* The line must be divisible by 4, else its padded with NULLs */ @@ -874,7 +878,9 @@ static int bmp_read_4bit(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, bmp /* There is a chance the data isn't until later, would be wierd but it is possible */ if (gdTell(infile) != header->off) { /* Should make sure we don't seek past the file size */ - gdSeek(infile, header->off); + if (!gdSeek(infile, header->off)) { + return 1; + } } /* The line must be divisible by 4, else its padded with NULLs */ @@ -959,7 +965,9 @@ static int bmp_read_8bit(gdImagePtr im, gdIOCtxPtr infile, bmp_info_t *info, bmp /* There is a chance the data isn't until later, would be wierd but it is possible */ if (gdTell(infile) != header->off) { /* Should make sure we don't seek past the file size */ - gdSeek(infile, header->off); + if (!gdSeek(infile, header->off)) { + return 1; + } } /* The line must be divisible by 4, else its padded with NULLs */ |