43 lines
861 B
C++
43 lines
861 B
C++
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#include <ctype.h>
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#include <string.h>
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#include <strings.h>
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static char fold(char c)
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{
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if (isalpha(c)) return tolower(c);
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return c;
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}
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extern "C"
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{
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void bzero(void* buf, size_t n)
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{
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memset(buf, 0, n);
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}
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void bcopy(void* dest, const void* src, size_t n)
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{
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memcpy(dest, src, n);
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}
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int strcasecmp(const char* a, const char* b)
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{
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while (*a && (fold(*a) == fold(*b)))
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{
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a++;
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b++;
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}
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return (unsigned char)fold(*a) - (unsigned char)fold(*b);
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}
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int strncasecmp(const char* a, const char* b, size_t max)
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{
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const char* base = a;
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while (*a && (fold(*a) == fold(*b)) && (size_t)(a - base) < (max - 1))
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{
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a++;
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b++;
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}
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return (unsigned char)fold(*a) - (unsigned char)fold(*b);
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}
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}
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