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| author | Robert Drehmel <robert@FreeBSD.org> | 2002-05-23 14:21:02 +0000 |
|---|---|---|
| committer | Robert Drehmel <robert@FreeBSD.org> | 2002-05-23 14:21:02 +0000 |
| commit | ccccc4e1c30b19912fe9681d6097edfb7fd11991 (patch) | |
| tree | 0ed7fada3c34a8ff733f955a82139978d839193c /lib/libc/stdio/mktemp.c | |
| parent | 0bf831c43ef8b5e048ec5b8ba5aa5d587924e6dc (diff) | |
| download | src-ccccc4e1c30b19912fe9681d6097edfb7fd11991.tar.gz src-ccccc4e1c30b19912fe9681d6097edfb7fd11991.zip | |
Avoid wandering over the beginning of the actual buffer
if the passed template string contains only 'X' characters.
Submitted by: Mark Andrews <marka@isc.org> (patch modified)
PR: 38402
Notes
Notes:
svn path=/head/; revision=97168
Diffstat (limited to 'lib/libc/stdio/mktemp.c')
| -rw-r--r-- | lib/libc/stdio/mktemp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/libc/stdio/mktemp.c b/lib/libc/stdio/mktemp.c index 826f2bc013ee..49ba17d2f420 100644 --- a/lib/libc/stdio/mktemp.c +++ b/lib/libc/stdio/mktemp.c @@ -128,7 +128,7 @@ _gettemp(path, doopen, domkdir, slen) } /* Fill space with random characters */ - while (*trv == 'X') { + while (trv >= path && *trv == 'X') { rand = arc4random() % (sizeof(padchar) - 1); *trv-- = padchar[rand]; } |