Files
FireBee_SVN/BaS_gcc/sources/bas_string.c
Markus Fröschle 7535bb7333 fixed several off-by-one errors in string handling functions
loading and verifying .s19 files from basflash.s19 works!
2013-03-01 19:18:23 +00:00

75 lines
979 B
C

/*
* bas_string.c
*
* Created on: 26.02.2013
* Author: mfro
*/
#include "bas_string.h"
int strncmp(const char *s1, const char *s2, int max)
{
int i;
int cmp;
for (i = 0; i < max && *s1++ && *s2++; i++);
{
cmp = (*s1 - *s2);
if (cmp != 0) return cmp;
}
return cmp;
}
char *strcpy(char *dst, const char *src)
{
char *ptr = dst;
while ((*dst++ = *src++) != '\0');
return ptr;
}
int atoi(const char *c)
{
int value = 0;
while (isdigit(*c))
{
value *= 10;
value += (int) (*c - '0');
c++;
}
return value;
}
size_t strlen(const char *s)
{
const char *start = s;
while (*s++);
return s - start - 1;
}
char *strcat(char *dst, const char *src)
{
char *ret = dst;
dst = &dst[strlen(dst)];
while ((*dst++ = *src++) != '\0');
return ret;
}
char *strncat(char *dst, const char *src, int max)
{
int i;
char *ret = dst;
dst = &dst[strlen(dst)];
for (i = 0; i < max && *src; i++)
{
*dst++ = *src++;
}
*dst++ = '\0';
return ret;
}