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-rw-r--r--src/basic/alloc-util.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/basic/alloc-util.h b/src/basic/alloc-util.h
index ebe42889e..2a6deb12c 100644
--- a/src/basic/alloc-util.h
+++ b/src/basic/alloc-util.h
@@ -46,6 +46,21 @@ static inline void *mfree(void *memory) {
void* memdup(const void *p, size_t l) _alloc_(2);
void* memdup_suffix0(const void *p, size_t l) _alloc_(2);
+#define memdupa(p, l) \
+ ({ \
+ void *_q_; \
+ _q_ = alloca(l); \
+ memcpy(_q_, p, l); \
+ })
+
+#define memdupa_suffix0(p, l) \
+ ({ \
+ void *_q_; \
+ _q_ = alloca(l + 1); \
+ ((uint8_t*) _q_)[l] = 0; \
+ memcpy(_q_, p, l); \
+ })
+
static inline void freep(void *p) {
free(*(void**) p);
}