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Implemented strcspn

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This commit is contained in:
max 🍓
2022-02-04 15:08:10 +00:00
parent 15091303fc
commit 8de49a1491
2 changed files with 16 additions and 0 deletions
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1
photon/libc/include/string.h
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@@ -20,6 +20,7 @@ extern char *strcpy(char *dest, const char *src);
extern char *strncpy(char *dest, const char *src, size_t sz); extern char *strncpy(char *dest, const char *src, size_t sz);
extern char *strrchr(const char *s, int c); extern char *strrchr(const char *s, int c);
extern size_t strcspn(const char *str1, const char *str2);
extern char *strdup(const char *s); extern char *strdup(const char *s);

15
photon/libc/string/strcspn.c Normal file
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@@ -0,0 +1,15 @@
#include <stddef.h>
size_t strcspn(const char *str1, const char *str2)
{
size_t i;
for (i = 0; str1[i]; i++) {
for (size_t ii = 0; str2[ii]; ii++) {
if (str1[i] == str2[ii]) {
return i;
}
}
}
return i;
}