basic/strv: add STRPTR_IN_SET

[thirdparty/systemd.git] / src / basic / strv.h

diff --git a/src/basic/strv.h b/src/basic/strv.h
index a5dc696a87c9b784d3b1beff308a58aa83bbaa10..fec2597db0b448583686b2a5f64d06fe8ca511ed 100644 (file)
--- a/src/basic/strv.h
+++ b/src/basic/strv.h
@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 #pragma once
 
 /***
@@ -21,10 +19,14 @@
   along with systemd; If not, see <http://www.gnu.org/licenses/>.
 ***/
 
+#include <fnmatch.h>
 #include <stdarg.h>
 #include <stdbool.h>
-#include <fnmatch.h>
+#include <stddef.h>
 
+#include "alloc-util.h"
+#include "extract-word.h"
+#include "macro.h"
 #include "util.h"
 
 char *strv_find(char **l, const char *name) _pure_;
@@ -48,6 +50,7 @@ int strv_extend_strv(char ***a, char **b, bool filter_duplicates);
 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, ...) _printf_(2,0);
+int strv_extend_front(char ***l, const char *value);
 int strv_push(char ***l, char *value);
 int strv_push_pair(char ***l, char *a, char *b);
 int strv_push_prepend(char ***l, char *value);
@@ -66,8 +69,10 @@ bool strv_equal(char **a, char **b);
 char **strv_new(const char *x, ...) _sentinel_;
 char **strv_new_ap(const char *x, va_list ap);
 
+#define STRV_IGNORE ((const char *) -1)
+
 static inline const char* STRV_IFNOTNULL(const char *x) {
-        return x ? x : (const char *) -1;
+        return x ? x : STRV_IGNORE;
 }
 
 static inline bool strv_isempty(char * const *l) {
@@ -136,6 +141,11 @@ void strv_print(char **l);
         })
 
 #define STR_IN_SET(x, ...) strv_contains(STRV_MAKE(__VA_ARGS__), x)
+#define STRPTR_IN_SET(x, ...)                                    \
+        ({                                                       \
+                const char* _x = (x);                            \
+                _x && strv_contains(STRV_MAKE(__VA_ARGS__), _x); \
+        })
 
 #define FOREACH_STRING(x, ...)                               \
         for (char **_l = ({                                  \
@@ -165,3 +175,5 @@ 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);
+
+int fputstrv(FILE *f, char **l, const char *separator, bool *space);