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-rw-r--r--src/basic/strv.c47
-rw-r--r--src/basic/strv.h2
-rw-r--r--src/basic/util.c25
-rw-r--r--src/basic/util.h2
4 files changed, 73 insertions, 3 deletions
diff --git a/src/basic/strv.c b/src/basic/strv.c
index 9524e80a6f..90f0b8c741 100644
--- a/src/basic/strv.c
+++ b/src/basic/strv.c
@@ -277,8 +277,8 @@ char **strv_split_newlines(const char *s) {
}
int strv_split_extract(char ***t, const char *s, const char *separators, ExtractFlags flags) {
- size_t n = 0, allocated = 0;
_cleanup_strv_free_ char **l = NULL;
+ size_t n = 0, allocated = 0;
int r;
assert(t);
@@ -302,13 +302,16 @@ int strv_split_extract(char ***t, const char *s, const char *separators, Extract
l[n] = NULL;
}
- if (!l)
+ if (!l) {
l = new0(char*, 1);
+ if (!l)
+ return -ENOMEM;
+ }
*t = l;
l = NULL;
- return 0;
+ return (int) n;
}
char *strv_join(char **l, const char *separator) {
@@ -745,3 +748,41 @@ char **strv_skip(char **l, size_t n) {
return l;
}
+
+int strv_extend_n(char ***l, const char *value, size_t n) {
+ size_t i, j, k;
+ char **nl;
+
+ assert(l);
+
+ if (!value)
+ return 0;
+ if (n == 0)
+ return 0;
+
+ /* Adds the value value n times to l */
+
+ k = strv_length(*l);
+
+ nl = realloc(*l, sizeof(char*) * (k + n + 1));
+ if (!nl)
+ return -ENOMEM;
+
+ *l = nl;
+
+ for (i = k; i < k + n; i++) {
+ nl[i] = strdup(value);
+ if (!nl[i])
+ goto rollback;
+ }
+
+ nl[i] = NULL;
+ return 0;
+
+rollback:
+ for (j = k; j < i; i++)
+ free(nl[j]);
+
+ nl[k] = NULL;
+ return NULL;
+}
diff --git a/src/basic/strv.h b/src/basic/strv.h
index 4c4b6526de..7c1f80230a 100644
--- a/src/basic/strv.h
+++ b/src/basic/strv.h
@@ -158,3 +158,5 @@ static inline bool strv_fnmatch_or_empty(char* const* patterns, const char *s, i
char ***strv_free_free(char ***l);
char **strv_skip(char **l, size_t n);
+
+int strv_extend_n(char ***l, const char *value, size_t n);
diff --git a/src/basic/util.c b/src/basic/util.c
index 9f520462cf..630c7ea9ff 100644
--- a/src/basic/util.c
+++ b/src/basic/util.c
@@ -6845,3 +6845,28 @@ int version(void) {
SYSTEMD_FEATURES);
return 0;
}
+
+bool fdname_is_valid(const char *s) {
+ const char *p;
+
+ /* Validates a name for $LISTEN_NAMES. We basically allow
+ * everything ASCII that's not a control character. Also, as
+ * special exception the ":" character is not allowed, as we
+ * use that as field separator in $LISTEN_NAMES.
+ *
+ * Note that the empty string is explicitly allowed here.*/
+
+ if (!s)
+ return false;
+
+ for (p = s; *p; p++) {
+ if (*p < ' ')
+ return false;
+ if (*p >= 127)
+ return false;
+ if (*p == ':')
+ return false;
+ }
+
+ return p - s < 256;
+}
diff --git a/src/basic/util.h b/src/basic/util.h
index a4e3672130..034410b8a8 100644
--- a/src/basic/util.h
+++ b/src/basic/util.h
@@ -941,3 +941,5 @@ int receive_one_fd(int transport_fd, int flags);
void nop_signal_handler(int sig);
int version(void);
+
+bool fdname_is_valid(const char *s);