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#ifndef APOS_STRING_H
#define APOS_STRING_H
#include <apos/types.h>
/* follow C library functions, drop location and error functions */
char *strcpy(char *dst, const char *src);
char *strncpy(char *dst, const char *src, size_t num);
char *strcat(char *dst, const char *src);
char *strncat(char *dst, const char *src, size_t num);
int strcmp(const char *str1, const char *str2);
int strncmp(const char *str1, const char *str2, size_t num);
char *strchr(const char *str, int chr);
char *strtok(char *str, const char *delims);
char *strstr(const char *str1, const char *str2);
char *strrchr(const char *str, int chr);
char *strpbrk(const char *str1, const char *str2);
size_t strspn(const char *str1, const char *str2);
size_t strcspn(const char *str1, const char *str2);
size_t strlen(const char *str);
/* only addition on top of libc */
size_t strnlen(const char *str, size_t num);
void *memset(void *ptr, int value, size_t num);
void *memchr(const void *ptr, int val, size_t num);
void *memcpy(void *dst, const void *src, size_t num);
void *memmove(void *dst, const void *src, size_t num);
int memcmp(const void *ptr1, const void *ptr2, size_t num);
/* Honorable mentions:
*
* char *strerror(int err);
* int strcoll(const char *str1, const char *str2);
* int strxfrm(char *dest, const char *src, size_t num);
*
*/
/* provide macros for builtin functions. The compiler is always allowed to
* replace a __builtin_* with a regular call to the function, which is why we
* still need to define the functions.
*
* Does mean we can't take the address of any of these, but I suppose that's not
* an issue.
*/
#define memcpy(dst, src, num) __builtin_memcpy(dst, src, num)
#define memmove(dst, src, num) __builtin_memmove(dst, src, num)
#define strcpy(dst, src) __builtin_strcpy(dst, src)
#define strncpy(dst, src, num) __builtin_strncpy(dst, src, num)
#define strcat(dst, src) __builtin_strcat(dst, src)
#define strncat(dst, src, num) __builtin_strncat(dst, src, num)
#define memcmp(p1, p2, num) __builtin_memcmp(p1, p2, num)
#define strcmp(s1, s2) __builtin_strcmp(s1, s2)
#define strncmp(s1, s2, num) __builtin_strncmp(s1, s2, num)
#define memchr(ptr, val, num) __builtin_memchr(ptr, val, num)
#define strchr(str, chr) __builtin_strchr(str, chr)
#define strcspn(s1, s2) __builtin_strcspn(s1, s2)
#define strpbrk(s1, s2) __builtin_strpbrk(s1, s2)
#define strrchr(s1, s2) __builtin_strrchr(s1, s2)
#define strspn(s1, s2) __builtin_strspn(s1, s2)
#define strstr(s1, s2) __builtin_strstr(s1, s2)
#define strtok(s1, s2) __builtin_strtok(s1, s2)
#define memset(p, v, n) __builtin_memset(p, v, n)
#define strlen(s) __builtin_strlen(s)
#endif /* APOS_STRING_H */
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