31 lines
601 B
C
31 lines
601 B
C
/*
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* Distributed under the terms of the GNU GPL version 2.
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*/
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#include <linux/module.h>
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#include <linux/string.h>
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#ifndef __HAVE_ARCH_STRCSPN
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/**
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* strcspn - Calculate the length of the initial substring of @s which does not contain letters in @reject
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* @s: The string to be searched
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* @reject: The string to avoid
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*/
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size_t strcspn(const char *s, const char *reject)
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{
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const char *p;
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const char *r;
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size_t count = 0;
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for (p = s; *p != '\0'; ++p) {
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for (r = reject; *r != '\0'; ++r) {
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if (*p == *r)
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return count;
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}
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++count;
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}
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return count;
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}
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EXPORT_SYMBOL(strcspn);
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#endif
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