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- MFH #33220, infinite loop while loading invalid GIF (nlopees)

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This commit is contained in:
Pierre Joye 2005-09-24 14:39:16 +00:00
parent a952406eb3
commit c81c189198
1 changed files with 3 additions and 3 deletions
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6
ext/gd/libgd/gd_gif_in.c
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@ -259,13 +259,13 @@ DoExtension(gdIOCtx *fd, int label, int *Transparent)
if ((buf[0] & 0x1) != 0)
*Transparent = buf[3];
while (GetDataBlock(fd, (unsigned char*) buf) != 0)
while (GetDataBlock(fd, (unsigned char*) buf) > 0)
;
return FALSE;
default:
break;
}
while (GetDataBlock(fd, (unsigned char*) buf) != 0)
while (GetDataBlock(fd, (unsigned char*) buf) > 0)
;
return FALSE;
@ -337,7 +337,7 @@ GetCode_(gdIOCtx *fd, int code_size, int flag)
buf[0] = buf[last_byte-2];
buf[1] = buf[last_byte-1];
if ((count = GetDataBlock(fd, &buf[2])) == 0)
if ((count = GetDataBlock(fd, &buf[2])) <= 0)
done = TRUE;
last_byte = 2 + count;