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authorLennart Poettering <lennart@poettering.net>2014-08-21 16:10:59 +0200
committerLennart Poettering <lennart@poettering.net>2014-08-21 17:24:21 +0200
commit11adc1aef7a1a6e9ba3fda8eb34eb5fadedc0385 (patch)
treedf0a121bd4f3db89e9d7bc7afd3d6276277581a5 /src/shared
parent3fdbc8205885f117b7dea289b44217310663e731 (diff)
util: change return value of startswith() to non-const
This way we can use it on non-const strings, and don't end up with a const'ified result. This is similar to libc's strstr() which also takes a const string but returns a non-const one.
Diffstat (limited to 'src/shared')
-rw-r--r--src/shared/util.h20
1 files changed, 14 insertions, 6 deletions
diff --git a/src/shared/util.h b/src/shared/util.h
index 87ad317319..8cd47b8294 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -158,15 +158,23 @@ static inline bool isempty(const char *p) {
return !p || !p[0];
}
-static inline const char *startswith(const char *s, const char *prefix) {
- if (strncmp(s, prefix, strlen(prefix)) == 0)
- return s + strlen(prefix);
+static inline char *startswith(const char *s, const char *prefix) {
+ size_t l;
+
+ l = strlen(prefix);
+ if (strncmp(s, prefix, l) == 0)
+ return (char*) s + l;
+
return NULL;
}
-static inline const char *startswith_no_case(const char *s, const char *prefix) {
- if (strncasecmp(s, prefix, strlen(prefix)) == 0)
- return s + strlen(prefix);
+static inline char *startswith_no_case(const char *s, const char *prefix) {
+ size_t l;
+
+ l = strlen(prefix);
+ if (strncasecmp(s, prefix, l) == 0)
+ return (char*) s + l;
+
return NULL;
}