forked from KolibriOS/kolibrios
112 lines
1.3 KiB
C
112 lines
1.3 KiB
C
|
|
#include "string.h"
|
|
|
|
void* memset(void *mem, int c, unsigned size)
|
|
{
|
|
unsigned i;
|
|
|
|
for ( i = 0; i < size; i++ )
|
|
*((char *)mem+i) = (char) c;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
void* memcpy(void *dst, const void *src, unsigned size)
|
|
{
|
|
|
|
unsigned i;
|
|
|
|
for ( i = 0; i < size; i++)
|
|
*((char *)dst+i) = *((char *)src+i);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
void strcat(char strDest[], char strSource[])
|
|
{
|
|
|
|
int i, j;
|
|
|
|
i = j = 0;
|
|
while (strDest[i] != '\0')
|
|
i++;
|
|
|
|
while ((strDest[i++] = strSource[j++]) != '\0')
|
|
;
|
|
}
|
|
|
|
|
|
int strcmp(const char* string1, const char* string2)
|
|
{
|
|
|
|
while (1)
|
|
{
|
|
if (*string1<*string2)
|
|
return -1;
|
|
if (*string1>*string2)
|
|
return 1;
|
|
|
|
if (*string1=='\0')
|
|
return 0;
|
|
|
|
string1++;
|
|
string2++;
|
|
}
|
|
|
|
}
|
|
|
|
|
|
void strcpy(char strDest[], const char strSource[])
|
|
{
|
|
unsigned i;
|
|
|
|
i = 0;
|
|
while ((strDest[i] = strSource[i]) != '\0')
|
|
i++;
|
|
|
|
}
|
|
|
|
|
|
char* strncpy(char *strDest, const char *strSource, unsigned n)
|
|
{
|
|
unsigned i;
|
|
|
|
if (! n )
|
|
return strDest;
|
|
|
|
i = 0;
|
|
while ((strDest[i] = strSource[i]) != '\0')
|
|
if ( (n-1) == i )
|
|
break;
|
|
else
|
|
i++;
|
|
|
|
return strDest;
|
|
}
|
|
|
|
|
|
int strlen(const char* string)
|
|
{
|
|
int i;
|
|
|
|
i=0;
|
|
while (*string++) i++;
|
|
return i;
|
|
}
|
|
|
|
|
|
|
|
char* strchr(const char* string, int c)
|
|
{
|
|
while (*string)
|
|
{
|
|
if (*string==c)
|
|
return (char*)string;
|
|
string++;
|
|
}
|
|
return (char*)0;
|
|
}
|
|
|