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basic/memory-util: introduce mempcpy_typesafe

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This commit is contained in:
Mike Yuan
2024-09-19 23:08:42 +02:00
committed by Yu Watanabe
parent 48837c6500
commit eda6223942
7 changed files with 16 additions and 14 deletions
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6
src/basic/memory-util.h
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@@ -20,7 +20,7 @@ size_t page_size(void) _pure_;
#define PAGE_OFFSET_U64(l) ALIGN_OFFSET_U64(l, page_size())
/* Normal memcpy() requires src to be nonnull. We do nothing if n is 0. */
static inline void *memcpy_safe(void *dst, const void *src, size_t n) {
static inline void* memcpy_safe(void *dst, const void *src, size_t n) {
if (n == 0)
return dst;
assert(src);
@@ -28,13 +28,15 @@ static inline void *memcpy_safe(void *dst, const void *src, size_t n) {
}
/* Normal mempcpy() requires src to be nonnull. We do nothing if n is 0. */
static inline void *mempcpy_safe(void *dst, const void *src, size_t n) {
static inline void* mempcpy_safe(void *dst, const void *src, size_t n) {
if (n == 0)
return dst;
assert(src);
return mempcpy(dst, src, n);
}
#define mempcpy_typesafe(dst, src, n) (typeof((dst)[0])*) mempcpy_safe(dst, src, n)
/* Normal memcmp() requires s1 and s2 to be nonnull. We do nothing if n is 0. */
static inline int memcmp_safe(const void *s1, const void *s2, size_t n) {
if (n == 0)