along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <assert.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
return NULL;
}
-void strv_free(char **l) {
+char *strv_find_startswith(char **l, const char *name) {
+ char **i, *e;
+
+ assert(name);
+
+ /* Like strv_find_prefix, but actually returns only the
+ * suffix, not the whole item */
+
+ STRV_FOREACH(i, l) {
+ e = startswith(*i, name);
+ if (e)
+ return e;
+ }
+
+ return NULL;
+}
+
+void strv_clear(char **l) {
char **k;
if (!l)
for (k = l; *k; k++)
free(*k);
+ *l = NULL;
+}
+
+void strv_free(char **l) {
+ strv_clear(l);
free(l);
}
}
char **strv_split(const char *s, const char *separator) {
- char *state;
- char *w;
+ const char *word, *state;
size_t l;
unsigned n, i;
char **r;
assert(s);
n = 0;
- FOREACH_WORD_SEPARATOR(w, l, s, separator, state)
+ FOREACH_WORD_SEPARATOR(word, l, s, separator, state)
n++;
r = new(char*, n+1);
return NULL;
i = 0;
- FOREACH_WORD_SEPARATOR(w, l, s, separator, state) {
- r[i] = strndup(w, l);
+ FOREACH_WORD_SEPARATOR(word, l, s, separator, state) {
+ r[i] = strndup(word, l);
if (!r[i]) {
strv_free(r);
return NULL;
return r;
}
-char **strv_split_quoted(const char *s) {
- char *state;
- char *w;
- size_t l;
- unsigned n, i;
- char **r;
-
- assert(s);
-
- n = 0;
- FOREACH_WORD_QUOTED(w, l, s, state)
- n++;
-
- r = new(char*, n+1);
- if (!r)
- return NULL;
-
- i = 0;
- FOREACH_WORD_QUOTED(w, l, s, state) {
- r[i] = cunescape_length(w, l);
- if (!r[i]) {
- strv_free(r);
- return NULL;
- }
- i++;
- }
-
- r[i] = NULL;
- return r;
-}
-
char **strv_split_newlines(const char *s) {
char **l;
unsigned n;
return l;
}
+int strv_split_quoted(char ***t, const char *s, bool relax) {
+ size_t n = 0, allocated = 0;
+ _cleanup_strv_free_ char **l = NULL;
+ int r;
+
+ assert(t);
+ assert(s);
+
+ for (;;) {
+ _cleanup_free_ char *word = NULL;
+
+ r = unquote_first_word(&s, &word, relax);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ break;
+
+ if (!GREEDY_REALLOC(l, allocated, n + 2))
+ return -ENOMEM;
+
+ l[n++] = word;
+ word = NULL;
+
+ l[n] = NULL;
+ }
+
+ if (!l)
+ l = new0(char*, 1);
+
+ *t = l;
+ l = NULL;
+
+ return 0;
+}
+
char *strv_join(char **l, const char *separator) {
char *r, *e;
char **s;
int strv_push(char ***l, char *value) {
char **c;
- unsigned n;
+ unsigned n, m;
if (!value)
return 0;
n = strv_length(*l);
- c = realloc(*l, sizeof(char*) * (n + 2));
+
+ /* Increase and check for overflow */
+ m = n + 2;
+ if (m < n)
+ return -ENOMEM;
+
+ c = realloc_multiply(*l, sizeof(char*), m);
if (!c)
return -ENOMEM;
return 0;
}
+int strv_push_pair(char ***l, char *a, char *b) {
+ char **c;
+ unsigned n, m;
+
+ if (!a && !b)
+ return 0;
+
+ n = strv_length(*l);
+
+ /* increase and check for overflow */
+ m = n + !!a + !!b + 1;
+ if (m < n)
+ return -ENOMEM;
+
+ c = realloc_multiply(*l, sizeof(char*), m);
+ if (!c)
+ return -ENOMEM;
+
+ if (a)
+ c[n++] = a;
+ if (b)
+ c[n++] = b;
+ c[n] = NULL;
+
+ *l = c;
+ return 0;
+}
+
+int strv_push_prepend(char ***l, char *value) {
+ char **c;
+ unsigned n, m, i;
+
+ if (!value)
+ return 0;
+
+ n = strv_length(*l);
+
+ /* increase and check for overflow */
+ m = n + 2;
+ if (m < n)
+ return -ENOMEM;
+
+ c = new(char*, m);
+ if (!c)
+ return -ENOMEM;
+
+ for (i = 0; i < n; i++)
+ c[i+1] = (*l)[i];
+
+ c[0] = value;
+ c[n+1] = NULL;
+
+ free(*l);
+ *l = c;
+
+ return 0;
+}
+
int strv_consume(char ***l, char *value) {
int r;
return r;
}
+int strv_consume_pair(char ***l, char *a, char *b) {
+ int r;
+
+ r = strv_push_pair(l, a, b);
+ if (r < 0) {
+ free(a);
+ free(b);
+ }
+
+ return r;
+}
+
+int strv_consume_prepend(char ***l, char *value) {
+ int r;
+
+ r = strv_push_prepend(l, value);
+ if (r < 0)
+ free(value);
+
+ return r;
+}
+
int strv_extend(char ***l, const char *value) {
char *v;
return l;
}
+bool strv_is_uniq(char **l) {
+ char **i;
+
+ STRV_FOREACH(i, l)
+ if (strv_find(i+1, *i))
+ return false;
+
+ return true;
+}
+
char **strv_remove(char **l, const char *s) {
char **f, **t;
return l;
}
+bool strv_equal(char **a, char **b) {
+ if (!a || !b)
+ return a == b;
+
+ for ( ; *a || *b; ++a, ++b)
+ if (!streq_ptr(*a, *b))
+ return false;
+
+ return true;
+}
+
void strv_print(char **l) {
char **s;
STRV_FOREACH(s, l)
puts(*s);
}
+
+int strv_extendf(char ***l, const char *format, ...) {
+ va_list ap;
+ char *x;
+ int r;
+
+ va_start(ap, format);
+ r = vasprintf(&x, format, ap);
+ va_end(ap);
+
+ if (r < 0)
+ return -ENOMEM;
+
+ return strv_consume(l, x);
+}
+
+char **strv_reverse(char **l) {
+ unsigned n, i;
+
+ n = strv_length(l);
+ if (n <= 1)
+ return l;
+
+ for (i = 0; i < n / 2; i++) {
+ char *t;
+
+ t = l[i];
+ l[i] = l[n-1-i];
+ l[n-1-i] = t;
+ }
+
+ return l;
+}
+
+bool strv_fnmatch(char* const* patterns, const char *s, int flags) {
+ char* const* p;
+
+ STRV_FOREACH(p, patterns)
+ if (fnmatch(*p, s, 0) == 0)
+ return true;
+
+ return false;
+}