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authorMichael Biebl <biebl@debian.org>2019-07-31 10:51:42 +0200
committerMichael Biebl <biebl@debian.org>2019-07-31 10:51:42 +0200
commit2e5fa45ddfbb5cffa1e78221f1cea706e2f298af (patch)
tree86f69d36c56de3074280456eddc854a780b8e04b /shared/systemd/src/basic/alloc-util.h
parent85563b7fc7ec2cd21e38debb9b28db342e2e8e7c (diff)
New upstream version 1.19.90 upstream/1.19.90
Diffstat (limited to 'shared/systemd/src/basic/alloc-util.h')
-rw-r--r--shared/systemd/src/basic/alloc-util.h6
1 files changed, 4 insertions, 2 deletions
diff --git a/shared/systemd/src/basic/alloc-util.h b/shared/systemd/src/basic/alloc-util.h
index 9b20be47..64d9e003 100644
--- a/shared/systemd/src/basic/alloc-util.h
+++ b/shared/systemd/src/basic/alloc-util.h
@@ -58,7 +58,7 @@ 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);
+void* memdup_suffix0(const void *p, size_t l); /* We can't use _alloc_() here, since we return a buffer one byte larger than the specified size */
 
 #define memdupa(p, l)                           \
         ({                                      \
@@ -112,7 +112,9 @@ _alloc_(2, 3) static inline void *memdup_multiply(const void *p, size_t size, si
         return memdup(p, size * need);
 }
 
-_alloc_(2, 3) static inline void *memdup_suffix0_multiply(const void *p, size_t size, size_t need) {
+/* Note that we can't decorate this function with _alloc_() since the returned memory area is one byte larger
+ * than the product of its parameters. */
+static inline void *memdup_suffix0_multiply(const void *p, size_t size, size_t need) {
         if (size_multiply_overflow(size, need))
                 return NULL;