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string-util: introduce strrepa

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This commit is contained in:
Mike Yuan 2023-08-26 17:50:24 +08:00
parent 62efc7629b
commit 00614746e9
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GPG Key ID: 417471C0A40F58B3
2 changed files with 19 additions and 0 deletions
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11
src/basic/string-util.h
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@ -196,6 +196,17 @@ int strextendf_with_separator(char **x, const char *separator, const char *forma
char *strrep(const char *s, unsigned n);
#define strrepa(s, n) \
({ \
char *_d_, *_p_; \
size_t _len_ = strlen(s) * n; \
_p_ = _d_ = newa(char, _len_ + 1); \
for (unsigned _i_ = 0; _i_ < n; _i_++) \
_p_ = stpcpy(_p_, s); \
*_p_ = 0; \
_d_; \
})
int split_pair(const char *s, const char *sep, char **l, char **r);
int free_and_strdup(char **p, const char *s);

8
src/test/test-string-util.c
View File

@ -260,6 +260,8 @@ TEST(strextend_with_separator) {
TEST(strrep) {
_cleanup_free_ char *one = NULL, *three = NULL, *zero = NULL;
char *onea, *threea;
one = strrep("waldo", 1);
three = strrep("waldo", 3);
zero = strrep("waldo", 0);
@ -267,6 +269,12 @@ TEST(strrep) {
assert_se(streq(one, "waldo"));
assert_se(streq(three, "waldowaldowaldo"));
assert_se(streq(zero, ""));
onea = strrepa("waldo", 1);
threea = strrepa("waldo", 3);
assert_se(streq(onea, "waldo"));
assert_se(streq(threea, "waldowaldowaldo"));
}
TEST(string_has_cc) {