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authorArnaldo Carvalho de Melo <acme@redhat.com>2017-04-26 15:49:21 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-04-26 15:49:21 -0300
commit96395cbbc7e94cbbe4f76cf64cf122fabc19123d (patch)
treec0cf51cd06c2b98bf45ef786f88c9b662c6645e8 /tools/lib/string.c
parent3caeafce5392a8eba7b36d0d097d403cacc66e2d (diff)
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.c9
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;
+}