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path-util: add path_startswith_strv()

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2019-03-28 22:35:46 +01:00
parent 771fded37f
commit cc4d7d818d
3 changed files with 37 additions and 11 deletions
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12
src/basic/path-util.c
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@ -207,6 +207,18 @@ int path_make_relative(const char *from_dir, const char *to_path, char **_r) {
return 0;
}
char* path_startswith_strv(const char *p, char **set) {
char **s, *t;
STRV_FOREACH(s, set) {
t = path_startswith(p, *s);
if (t)
return t;
}
return NULL;
}
int path_strv_make_absolute_cwd(char **l) {
char **s;
int r;

13
src/basic/path-util.h
View File

@ -71,17 +71,8 @@ static inline bool path_equal_ptr(const char *a, const char *b) {
_found; \
})
#define PATH_STARTSWITH_SET(p, ...) \
({ \
const char *_p = (p); \
char *_found = NULL, **_i; \
STRV_FOREACH(_i, STRV_MAKE(__VA_ARGS__)) { \
_found = path_startswith(_p, *_i); \
if (_found) \
break; \
} \
_found; \
})
char* path_startswith_strv(const char *p, char **set);
#define PATH_STARTSWITH_SET(p, ...) path_startswith_strv(p, STRV_MAKE(__VA_ARGS__))
int path_strv_make_absolute_cwd(char **l);
char** path_strv_resolve(char **l, const char *root);

23
src/test/test-path-util.c
View File

@ -634,6 +634,28 @@ static void test_path_startswith_set(void) {
assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "", "/zzz"), NULL));
}
static void test_path_startswith_strv(void) {
log_info("/* %s */", __func__);
assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), ""));
assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), "bar"));
assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo", "/zzz")), "bar"));
assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo/bar"));
assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "", "/zzz")), NULL));
assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), NULL));
assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), "bar2"));
assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo", "/zzz")), "bar2"));
assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo/bar2"));
assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "", "/zzz")), NULL));
assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), NULL));
assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), NULL));
assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo", "/zzz")), NULL));
assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo2/bar"));
assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "", "/zzz")), NULL));
}
int main(int argc, char **argv) {
test_setup_logging(LOG_DEBUG);
@ -655,6 +677,7 @@ int main(int argc, char **argv) {
test_skip_dev_prefix();
test_empty_or_root();
test_path_startswith_set();
test_path_startswith_strv();
test_systemd_installation_has_version(argv[1]); /* NULL is OK */