gpt-auto-generator: Skip /home mounting if /home is not empty

[elogind.git] / src / shared / strv.c

diff --git a/src/shared/strv.c b/src/shared/strv.c
index e57e0ee7bfad9919a09893453396354d9eaf355c..3e7778d61ca663eab8c2f23f9d024ef14ffa842c 100644 (file)
--- a/src/shared/strv.c
+++ b/src/shared/strv.c
@@ -64,7 +64,7 @@ void strv_free(char **l) {
         free(l);
 }
 
-char **strv_copy(char **l) {
+char **strv_copy(char * const *l) {
         char **r, **k;
 
         k = r = new(char*, strv_length(l) + 1);
@@ -84,7 +84,7 @@ char **strv_copy(char **l) {
         return r;
 }
 
-unsigned strv_length(char **l) {
+unsigned strv_length(char * const *l) {
         unsigned n = 0;
 
         if (!l)
@@ -387,6 +387,21 @@ fail:
         return NULL;
 }
 
+char **strv_appendf(char **l, const char *format, ...) {
+        va_list ap;
+        _cleanup_free_ char *s = NULL;
+        int r;
+
+        va_start(ap, format);
+        r = vasprintf(&s, format, ap);
+        va_end(ap);
+
+        if (r < 0)
+                return NULL;
+
+        return strv_append(l, s);
+}
+
 int strv_push(char ***l, char *value) {
         char **c;
         unsigned n;