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24 lines
438 B
C
24 lines
438 B
C
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#include <string.h>
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#include <ctype.h>
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char *gitstrcasestr(const char *haystack, const char *needle)
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{
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int nlen = strlen(needle);
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int hlen = strlen(haystack) - nlen + 1;
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int i;
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for (i = 0; i < hlen; i++) {
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int j;
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for (j = 0; j < nlen; j++) {
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unsigned char c1 = haystack[i+j];
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unsigned char c2 = needle[j];
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if (toupper(c1) != toupper(c2))
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goto next;
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}
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return (char *) haystack + i;
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next:
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;
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}
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return NULL;
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}
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