return NULL;
}
+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_free(char **l) {
char **k;
return r;
}
-char **strv_merge(char **a, char **b) {
- char **r, **k;
-
- if (!a)
- return strv_copy(b);
-
- if (!b)
- return strv_copy(a);
-
- r = new(char*, strv_length(a) + strv_length(b) + 1);
- if (!r)
- return NULL;
-
- for (k = r; *a; k++, a++) {
- *k = strdup(*a);
- if (!*k)
- goto fail;
- }
+int strv_extend_strv(char ***a, char **b) {
+ int r;
+ char **s;
- for (; *b; k++, b++) {
- *k = strdup(*b);
- if (!*k)
- goto fail;
+ STRV_FOREACH(s, b) {
+ r = strv_extend(a, *s);
+ if (r < 0)
+ return r;
}
- *k = NULL;
- return r;
-
-fail:
- strv_free(r);
- return NULL;
+ return 0;
}
-char **strv_merge_concat(char **a, char **b, const char *suffix) {
- char **r, **k;
-
- /* Like strv_merge(), but appends suffix to all strings in b, before adding */
+int strv_extend_strv_concat(char ***a, char **b, const char *suffix) {
+ int r;
+ char **s;
- if (!b)
- return strv_copy(a);
+ STRV_FOREACH(s, b) {
+ char *v;
- r = new(char*, strv_length(a) + strv_length(b) + 1);
- if (!r)
- return NULL;
+ v = strappend(*s, suffix);
+ if (!v)
+ return -ENOMEM;
- k = r;
- if (a)
- for (; *a; k++, a++) {
- *k = strdup(*a);
- if (!*k)
- goto fail;
+ r = strv_push(a, v);
+ if (r < 0) {
+ free(v);
+ return r;
}
-
- for (; *b; k++, b++) {
- *k = strappend(*b, suffix);
- if (!*k)
- goto fail;
}
- *k = NULL;
- return r;
-
-fail:
- strv_free(r);
- return NULL;
-
+ return 0;
}
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;
return NULL;
}
-char **strv_append(char **l, const char *s) {
- char **r, **k;
+int strv_push(char ***l, char *value) {
+ char **c;
+ unsigned n, m;
- if (!l)
- return strv_new(s, NULL);
+ if (!value)
+ return 0;
- if (!s)
- return strv_copy(l);
+ n = strv_length(*l);
- r = new(char*, strv_length(l)+2);
- if (!r)
- return NULL;
+ /* Increase and check for overflow */
+ m = n + 2;
+ if (m < n)
+ return -ENOMEM;
- for (k = r; *l; k++, l++) {
- *k = strdup(*l);
- if (!*k)
- goto fail;
- }
+ c = realloc_multiply(*l, sizeof(char*), m);
+ if (!c)
+ return -ENOMEM;
+
+ c[n] = value;
+ c[n+1] = NULL;
- k[0] = strdup(s);
- if (!k[0])
- goto fail;
+ *l = c;
+ return 0;
+}
- k[1] = NULL;
- return r;
+int strv_push_pair(char ***l, char *a, char *b) {
+ char **c;
+ unsigned n, m;
-fail:
- strv_free(r);
- return NULL;
+ 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(char ***l, char *value) {
+int strv_push_prepend(char ***l, char *value) {
char **c;
- unsigned n;
+ unsigned n, m, i;
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 = new(char*, m);
if (!c)
return -ENOMEM;
- c[n] = value;
+ 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;
+
+ r = strv_push(l, value);
+ if (r < 0)
+ free(value);
+
+ 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;
- int r;
if (!value)
return 0;
if (!v)
return -ENOMEM;
- r = strv_push(l, v);
- if (r < 0)
- free(v);
-
- return r;
+ return strv_consume(l, v);
}
char **strv_uniq(char **l) {
/* Drops every occurrence of s in the string list, edits
* in-place. */
- for (f = t = l; *f; f++) {
-
- if (streq(*f, s)) {
+ for (f = t = l; *f; f++)
+ if (streq(*f, s))
free(*f);
- continue;
- }
-
- *(t++) = *f;
- }
-
- *t = NULL;
- return l;
-}
-
-char **strv_remove_prefix(char **l, const char *s) {
- char **f, **t;
-
- if (!l)
- return NULL;
-
- assert(s);
-
- /* Drops every occurrence of a string prefixed with s in the
- * string list, edits in-place. */
-
- for (f = t = l; *f; f++) {
-
- if (startswith(*f, s)) {
- free(*f);
- continue;
- }
-
- *(t++) = *f;
- }
+ else
+ *(t++) = *f;
*t = NULL;
return l;
assert(s || l <= 0);
if (l <= 0)
- return strv_new(NULL, NULL);
+ return new0(char*, 1);
for (p = s; p < s + l; p++)
if (*p == 0)
}
bool strv_overlap(char **a, char **b) {
- char **i, **j;
+ char **i;
- STRV_FOREACH(i, a) {
- STRV_FOREACH(j, b) {
- if (streq(*i, *j))
- return true;
- }
- }
+ STRV_FOREACH(i, a)
+ if (strv_contains(b, *i))
+ return true;
return false;
}
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;
- if (!l)
- return;
-
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);
+}
~ianmdlvl / elogind.git / blobdiff