diff options
Diffstat (limited to 'pk/string.c')
-rw-r--r-- | pk/string.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/pk/string.c b/pk/string.c deleted file mode 100644 index e896379..0000000 --- a/pk/string.c +++ /dev/null @@ -1,87 +0,0 @@ -#include <string.h> -#include <stdint.h> -#include <ctype.h> - -void* memcpy(void* dest, const void* src, size_t len) -{ - if ((((uintptr_t)dest | (uintptr_t)src | len) & (sizeof(uintptr_t)-1)) == 0) { - const uintptr_t* s = src; - uintptr_t *d = dest; - while (d < (uintptr_t*)(dest + len)) - *d++ = *s++; - } else { - const char* s = src; - char *d = dest; - while (d < (char*)(dest + len)) - *d++ = *s++; - } - return dest; -} - -void* memset(void* dest, int byte, size_t len) -{ - if ((((uintptr_t)dest | len) & (sizeof(uintptr_t)-1)) == 0) { - uintptr_t word = byte & 0xFF; - word |= word << 8; - word |= word << 16; - word |= word << 16 << 16; - - uintptr_t *d = dest; - while (d < (uintptr_t*)(dest + len)) - *d++ = word; - } else { - char *d = dest; - while (d < (char*)(dest + len)) - *d++ = byte; - } - return dest; -} - -size_t strlen(const char *s) -{ - const char *p = s; - while (*p) - p++; - return p - s; -} - -int strcmp(const char* s1, const char* s2) -{ - unsigned char c1, c2; - - do { - c1 = *s1++; - c2 = *s2++; - } while (c1 != 0 && c1 == c2); - - return c1 - c2; -} - -char* strcpy(char* dest, const char* src) -{ - char* d = dest; - while ((*d++ = *src++)) - ; - return dest; -} - -long atol(const char* str) -{ - long res = 0; - int sign = 0; - - while (*str == ' ') - str++; - - if (*str == '-' || *str == '+') { - sign = *str == '-'; - str++; - } - - while (*str) { - res *= 10; - res += *str++ - '0'; - } - - return sign ? -res : res; -} |