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This commit is contained in:
Philippe Teuwen 2019-07-23 21:33:52 +02:00
commit 9beabaabf5
29 changed files with 4784 additions and 4778 deletions
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135
armsrc/string.c
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@ -109,98 +109,89 @@ void itoa(int n, char s[]) {
char *strcpy(char *dst, const char *src)
{
char *save = dst;
char *strcpy(char *dst, const char *src) {
char *save = dst;
for (; (*dst = *src) != '\0'; ++src, ++dst);
return save;
}
for (; (*dst = *src) != '\0'; ++src, ++dst);
return save;
}
char *strncpy(char *dst, const char *src, size_t n)
{
if (n != 0) {
char *d = dst;
const char *s = src;
char *strncpy(char *dst, const char *src, size_t n) {
if (n != 0) {
char *d = dst;
const char *s = src;
do {
if ((*d++ = *s++) == 0) {
/* NUL pad the remaining n-1 bytes */
while (--n) {
do {
if ((*d++ = *s++) == 0) {
/* NUL pad the remaining n-1 bytes */
while (--n) {
*d++ = 0;
}
break;
}
} while (--n);
}
break;
}
} while (--n);
}
return dst;
}
return dst;
}
int strcmp(const char *s1, const char *s2)
{
int strcmp(const char *s1, const char *s2) {
while (*s1 == *s2++) {
if (*s1++ == 0) {
return (0);
}
}
return (*(unsigned char *) s1 - *(unsigned char *) --s2);
return (*(unsigned char *) s1 - * (unsigned char *) --s2);
}
char* __strtok_r(char*, const char*, char**);
char *__strtok_r(char *, const char *, char **);
char* __strtok_r(char* s, const char* delim, char** last)
{
char *spanp, *tok;
int c, sc;
char *__strtok_r(char *s, const char *delim, char **last) {
char *spanp, *tok;
int c, sc;
if(s == NULL && (s = *last) == NULL)
return (NULL);
if (s == NULL && (s = *last) == NULL)
return (NULL);
/*
* Skip (span) leading delimiters (s += strspn(s, delim), sort of).
*/
/*
* Skip (span) leading delimiters (s += strspn(s, delim), sort of).
*/
cont:
c = *s++;
for(spanp = (char*)delim; (sc = *spanp++) != 0;)
{
if(c == sc)
goto cont;
}
c = *s++;
for (spanp = (char *)delim; (sc = *spanp++) != 0;) {
if (c == sc)
goto cont;
}
if(c == 0)
{ /* no non-delimiter characters */
*last = NULL;
return (NULL);
}
tok = s - 1;
if (c == 0) {
/* no non-delimiter characters */
*last = NULL;
return (NULL);
}
tok = s - 1;
/*
* Scan token (scan for delimiters: s += strcspn(s, delim), sort of).
* Note that delim must have one NUL; we stop if we see that, too.
*/
for(;;)
{
c = *s++;
spanp = (char*)delim;
do
{
if((sc = *spanp++) == c)
{
if(c == 0)
s = NULL;
else
s[-1] = '\0';
*last = s;
return (tok);
}
} while(sc != 0);
}
/* NOTREACHED */
/*
* Scan token (scan for delimiters: s += strcspn(s, delim), sort of).
* Note that delim must have one NUL; we stop if we see that, too.
*/
for (;;) {
c = *s++;
spanp = (char *)delim;
do {
if ((sc = *spanp++) == c) {
if (c == 0)
s = NULL;
else
s[-1] = '\0';
*last = s;
return (tok);
}
} while (sc != 0);
}
/* NOTREACHED */
}
char* strtok(char* s, const char* delim)
{
static char* last;
char *strtok(char *s, const char *delim) {
static char *last;
return (__strtok_r(s, delim, &last));
return (__strtok_r(s, delim, &last));
}