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libc: remove duplicate str functions

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This commit is contained in:
K. Lange 2018-10-10 10:10:11 +09:00
parent aa6328f474
commit bd7ecfa03b
1 changed files with 0 additions and 27 deletions
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27
libc/string/str.c
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@ -47,11 +47,6 @@ void * memrchr(const void * m, int c, size_t n) {
return 0;
}
int strcasecmp(const char * s1, const char * s2) {
for (; tolower(*s1) == tolower(*s2) && *s1; s1++, s2++);
return *(unsigned char *)s1 - *(unsigned char *)s2;
}
int strcmp(const char * l, const char * r) {
for (; *l == *r && *l; l++, r++);
return *(unsigned char *)l - *(unsigned char *)r;
@ -389,28 +384,6 @@ int atoi(const char * s) {
return neg ? n : -n;
}
long int strtol(const char * s, char **endptr, int base) {
int n = 0;
int neg = 0;
while (isspace(*s)) {
s++;
}
switch (*s) {
case '-':
neg = 1;
/* Fallthrough is intentional here */
case '+':
s++;
}
while (isdigit(*s)) {
n = 10*n - (*s++ - '0');
}
/* The sign order may look incorrect here but this is correct as n is calculated
* as a negative number to avoid overflow on INT_MAX.
*/
return neg ? n : -n;
}
size_t lfind(const char * str, const char accept) {
return (size_t)strchr(str, accept);
}