diff options
Diffstat (limited to 'libsimple/mem.h')
| -rw-r--r-- | libsimple/mem.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/libsimple/mem.h b/libsimple/mem.h index ba5d0fb..1458700 100644 --- a/libsimple/mem.h +++ b/libsimple/mem.h @@ -165,14 +165,30 @@ int libsimple_memends(const void *, size_t, const void *, size_t); #endif +/** + * Checks two arrays of bytes for equality + * + * @param a One of the arrays of bytes + * @param b The other arrays of bytes + * @param n The lengths of the arrays + * @return 1 if the arrays are equal, 0 otherwise + */ _LIBSIMPLE_GCC_ONLY(__attribute__((__pure__, __warn_unused_result__))) -static inline int libsimple_memeq(const void *__s1, const void *__s2, size_t __n) -{ return !memcmp(__s1, __s2, __n); } +static inline int libsimple_memeq(const void *__a, const void *__b, size_t __n) +{ return !memcmp(__a, __b, __n); } #ifndef memeq # define memeq libsimple_memeq #endif +/** + * Copies an array of bytes into another + * + * @param d The array the bytes should be copied into + * @param s The array of bytes that should be copied + * @param n The number of bytes to copy + * @return `&s[n]` + */ _LIBSIMPLE_GCC_ONLY(__attribute__((__warn_unused_result__))) static inline void *libsimple_mempcpy(void *__d, const void *__s, size_t __n) { return &((char *)memcpy(__d, __s, __n))[__n]; } @@ -181,6 +197,14 @@ static inline void *libsimple_mempcpy(void *__d, const void *__s, size_t __n) #endif +/** + * Fill an array of bytes with a specified byte + * + * @param s The array of bytes to fill + * @param c The byte to fill the array with + * @param n The number of bytes to write to `s` + * @return `&s[n]` + */ _LIBSIMPLE_GCC_ONLY(__attribute__((__warn_unused_result__))) static inline void *libsimple_mempset(void *__s, int __c, size_t __n) { return &((char *)memset(__s, __c, __n))[__n]; } |