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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-04-26 20:49:21 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-04-26 20:49:21 +0200 |
| commit | 96395cbbc7e94cbbe4f76cf64cf122fabc19123d (patch) | |
| tree | c0cf51cd06c2b98bf45ef786f88c9b662c6645e8 /tools/lib/string.c | |
| parent | perf units: Move parse_tag_value() to units.[ch] (diff) | |
| download | linux-96395cbbc7e94cbbe4f76cf64cf122fabc19123d.tar.xz linux-96395cbbc7e94cbbe4f76cf64cf122fabc19123d.zip | |
tools lib string: Adopt prefixcmp() from perf and subcmd
Both had copies originating from git.git, move those to
tools/lib/string.c, getting both tools/lib/subcmd/ and tools/perf/ to
use it.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-uidwtticro1qhttzd2rkrkg1@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/string.c')
| -rw-r--r-- | tools/lib/string.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/lib/string.c b/tools/lib/string.c index bd239bc1d557..8e678af1c6ee 100644 --- a/tools/lib/string.c +++ b/tools/lib/string.c @@ -87,3 +87,12 @@ size_t __weak strlcpy(char *dest, const char *src, size_t size) } return ret; } + +int prefixcmp(const char *str, const char *prefix) +{ + for (; ; str++, prefix++) + if (!*prefix) + return 0; + else if (*str != *prefix) + return (unsigned char)*prefix - (unsigned char)*str; +} |