From 548b9714e82ec7aca28958f5d5c2927a9b134fbe Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Fri, 15 May 2015 14:57:04 +0200 Subject: lib/strv: add new functions (from systemd) Signed-off-by: Karel Zak --- include/strv.h | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 include/strv.h (limited to 'include/strv.h') diff --git a/include/strv.h b/include/strv.h new file mode 100644 index 000000000..52862989a --- /dev/null +++ b/include/strv.h @@ -0,0 +1,54 @@ +#ifndef UTIL_LINUX_STRV +#define UTIL_LINUX_STRV + +#include + +#include "c.h" + +char **strv_free(char **l); +void strv_clear(char **l); +char **strv_copy(char * const *l); +unsigned strv_length(char * const *l); + +int strv_extend_strv(char ***a, char **b); +int strv_extend_strv_concat(char ***a, char **b, const char *suffix); +int strv_extend(char ***l, const char *value); +int strv_extendf(char ***l, const char *format, ...) + __attribute__ ((__format__ (__printf__, 2, 0))); +int strv_push(char ***l, char *value); +int strv_push_prepend(char ***l, char *value); +int strv_consume(char ***l, char *value); +int strv_consume_prepend(char ***l, char *value); + +char **strv_remove(char **l, const char *s); + +char **strv_new(const char *x, ...); +char **strv_new_ap(const char *x, va_list ap); + +static inline const char* STRV_IFNOTNULL(const char *x) { + return x ? x : (const char *) -1; +} + +static inline int strv_isempty(char * const *l) { + return !l || !*l; +} + +char **strv_split(const char *s, const char *separator); +char *strv_join(char **l, const char *separator); + +#define STRV_FOREACH(s, l) \ + for ((s) = (l); (s) && *(s); (s)++) + +#define STRV_FOREACH_BACKWARDS(s, l) \ + STRV_FOREACH(s, l) \ + ; \ + for ((s)--; (l) && ((s) >= (l)); (s)--) + + +#define STRV_MAKE_EMPTY ((char*[1]) { NULL }) + +char **strv_reverse(char **l); + +#endif /* UTIL_LINUX_STRV */ + + -- cgit v1.2.3-55-g7522