diff options
| author | Jes Klinke <jbk@google.com> | 2020-07-31 09:58:49 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-08-03 05:12:23 +0000 |
| commit | 683ac6f204a8ae464a7f671b53084c99a0abce45 (patch) | |
| tree | 01dbdfb4abc571a4f581a64f248a1e8b4d44baef /src | |
| parent | e968e3762e54b940d61e3fde9f9fba28e1bccc59 (diff) | |
lib/string: Add standard strstr() function
Adding implementation of standard library strstr()
See https://review.coreboot.org/c/coreboot/+/43741 for context.
Change-Id: I63e26e98ed2dd15542f81c0a3a5e353bb93b7350
Signed-off-by: jbk@chromium.org
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44085
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Julius Werner <jwerner@chromium.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/string.h | 1 | ||||
| -rw-r--r-- | src/lib/string.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/include/string.h b/src/include/string.h index 8eef0680cb..3cfa18d33c 100644 --- a/src/include/string.h +++ b/src/include/string.h @@ -29,6 +29,7 @@ int strcmp(const char *s1, const char *s2); int strncmp(const char *s1, const char *s2, int maxlen); int strspn(const char *str, const char *spn); int strcspn(const char *str, const char *spn); +char *strstr(const char *haystack, const char *needle); char *strtok_r(char *str, const char *delim, char **ptr); char *strtok(char *str, const char *delim); long atol(const char *str); diff --git a/src/lib/string.c b/src/lib/string.c index e8f72a28e8..9677520137 100644 --- a/src/lib/string.c +++ b/src/lib/string.c @@ -163,6 +163,16 @@ int strcspn(const char *str, const char *spn) return ret; } +char *strstr(const char *haystack, const char *needle) +{ + size_t needle_len = strlen(needle); + for (; *haystack; haystack++) { + if (!strncmp(haystack, needle, needle_len)) + return (char *)haystack; + } + return NULL; +} + char *strtok_r(char *str, const char *delim, char **ptr) { char *start; |