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fix heap buffer overflow

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This commit is contained in:
Brad Parker 2018-08-11 21:20:05 -04:00
parent 73f271021a
commit 5fd0664277
1 changed files with 5 additions and 2 deletions
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7
libretro-common/vfs/vfs_implementation.c
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@ -193,9 +193,12 @@ libretro_vfs_implementation_file *retro_vfs_file_open_impl(const char *path, uns
#ifdef VFS_FRONTEND #ifdef VFS_FRONTEND
const char *dumb_prefix = "vfsonly://"; const char *dumb_prefix = "vfsonly://";
int dumb_prefix_len = strlen(dumb_prefix);
int path_len = strlen(path);
if (!memcmp(path, dumb_prefix, strlen(dumb_prefix))) if (path_len >= dumb_prefix_len)
path += strlen(dumb_prefix); if (!memcmp(path, dumb_prefix, dumb_prefix_len))
path += strlen(dumb_prefix);
#endif #endif
if (!stream) if (!stream)