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-rw-r--r--src/libudev/strv.c46
-rw-r--r--src/libudev/strv.h2
2 files changed, 48 insertions, 0 deletions
diff --git a/src/libudev/strv.c b/src/libudev/strv.c
index 041e20d700..45fb6b24a2 100644
--- a/src/libudev/strv.c
+++ b/src/libudev/strv.c
@@ -142,6 +142,52 @@ char **strv_new(const char *x, ...) {
return r;
}
+int strv_push(char ***l, char *value) {
+ char **c;
+ char *v;
+ unsigned n;
+
+ if (!value)
+ return 0;
+
+ v = strdup(value);
+ if (!v)
+ return -ENOMEM;
+
+ n = strv_length(*l);
+ c = realloc(*l, sizeof(char*) * (n + 2));
+ if (!c) {
+ free(v);
+ if (!c)
+ return -ENOMEM;
+ }
+
+ c[n] = v;
+ c[n] = value;
+ c[n+1] = NULL;
+
+ *l = c;
+ return 0;
+}
+
+int strv_extend(char ***l, const char *value) {
+ char *v;
+ int r;
+
+ if (!value)
+ return 0;
+
+ v = strdup(value);
+ if (!v)
+ return -ENOMEM;
+
+ r = strv_push(l, v);
+ if (r < 0)
+ free(v);
+
+ return r;
+}
+
char **strv_uniq(char **l) {
char **i;
diff --git a/src/libudev/strv.h b/src/libudev/strv.h
index d9e0e1c20b..ba2bc2f589 100644
--- a/src/libudev/strv.h
+++ b/src/libudev/strv.h
@@ -37,6 +37,8 @@ char **strv_copy(char * const *l);
unsigned strv_length(char * const *l) _pure_;
char **strv_remove(char **l, const char *s);
+int strv_push(char ***l, char *value);
+int strv_extend(char ***l, const char *value);
char **strv_uniq(char **l);
char **strv_new(const char *x, ...) _sentinel_;