diff options
Diffstat (limited to 'src/libudev/strv.c')
-rw-r--r-- | src/libudev/strv.c | 46 |
1 files changed, 46 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; |