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| author | Balbir singh <bsingharora@gmail.com> | 2018-05-18 09:31:00 +1000 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.ibm.com> | 2018-05-24 04:03:19 -0500 |
| commit | ad58f8da1d4fbd45abf163514a9643a14e1636ee (patch) | |
| tree | b2128ef5a45a50ba7adce1e0d4306b6bdaadf7ac /libc | |
| parent | 53dac89cb8aab986e08ea5e062564f3da9f4831f (diff) | |
| download | skiboot-ad58f8da1d4fbd45abf163514a9643a14e1636ee.zip skiboot-ad58f8da1d4fbd45abf163514a9643a14e1636ee.tar.gz skiboot-ad58f8da1d4fbd45abf163514a9643a14e1636ee.tar.bz2 | |
Fix strtok for previous tokens being NULL
Caught by scan-build. If the stored token nxtTok
is already NULL, don't dereference src
Signed-off-by: Balbir singh <bsingharora@gmail.com>
Signed-off-by: Stewart Smith <stewart@linux.ibm.com>
Diffstat (limited to 'libc')
| -rw-r--r-- | libc/string/strtok.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libc/string/strtok.c b/libc/string/strtok.c index 665c08d..aa42d77 100644 --- a/libc/string/strtok.c +++ b/libc/string/strtok.c @@ -18,8 +18,11 @@ strtok(char *src, const char *pattern) static char *nxtTok; char *retVal = NULL; - if (!src) + if (!src) { src = nxtTok; + if (!src) + return retVal; + } while (*src) { const char *pp = pattern; |