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-rw-r--r--src/shared/util.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/shared/util.h b/src/shared/util.h
index 5e699ca5a8..5fe724af40 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -336,6 +336,19 @@ static inline void _reset_errno_(int *saved_errno) {
#define PROTECT_ERRNO _cleanup_(_reset_errno_) __attribute__((unused)) int _saved_errno_ = errno
int unlink_noerrno(const char *path);
+
+#define strappenda(a, b) \
+ ({ \
+ const char *_a_ = (a), *_b_ = (b); \
+ char *_c_; \
+ size_t _x_, _y_; \
+ _x_ = strlen(_a_); \
+ _y_ = strlen(_b_); \
+ _c_ = alloca(_x_ + _y_ + 1); \
+ strcpy(stpcpy(_c_, _a_), _b_); \
+ _c_; \
+ })
+
static inline void qsort_safe(void *base, size_t nmemb, size_t size,
int (*compar)(const void *, const void *)) {
if (nmemb) {