mirror of https://github.com/python/cpython
92 lines
1.5 KiB
C
92 lines
1.5 KiB
C
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size_t
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UNIOP(strlen)(const UNIOP_t *u)
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{
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int res = 0;
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while(*u++)
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res++;
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return res;
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}
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UNIOP_t*
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UNIOP(strcpy)(UNIOP_t *s1, const UNIOP_t *s2)
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{
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UNIOP_t *u = s1;
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while ((*u++ = *s2++));
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return s1;
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}
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UNIOP_t*
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UNIOP(strncpy)(UNIOP_t *s1, const UNIOP_t *s2, size_t n)
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{
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UNIOP_t *u = s1;
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while ((*u++ = *s2++))
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if (n-- == 0)
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break;
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return s1;
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}
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UNIOP_t*
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UNIOP(strcat)(UNIOP_t *s1, const UNIOP_t *s2)
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{
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UNIOP_t *u1 = s1;
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u1 += UNIOP(strlen(u1));
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UNIOP(strcpy(u1, s2));
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return s1;
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}
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int
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UNIOP(strcmp)(const UNIOP_t *s1, const UNIOP_t *s2)
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{
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while (*s1 && *s2 && *s1 == *s2)
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s1++, s2++;
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if (*s1 && *s2)
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return (*s1 < *s2) ? -1 : +1;
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if (*s1)
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return 1;
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if (*s2)
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return -1;
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return 0;
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}
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int
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UNIOP(strncmp)(const UNIOP_t *s1, const UNIOP_t *s2, size_t n)
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{
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register UNIOP_t u1, u2;
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for (; n != 0; n--) {
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u1 = *s1;
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u2 = *s2;
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if (u1 != u2)
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return (u1 < u2) ? -1 : +1;
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if (u1 == '\0')
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return 0;
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s1++;
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s2++;
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}
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return 0;
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}
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UNIOP_t*
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UNIOP(strchr)(const UNIOP_t *s, UNIOP_t c)
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{
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const UNIOP_t *p;
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for (p = s; *p; p++)
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if (*p == c)
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return (UNIOP_t*)p;
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return NULL;
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}
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UNIOP_t*
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UNIOP(strrchr)(const UNIOP_t *s, UNIOP_t c)
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{
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const UNIOP_t *p;
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p = s + UNIOP(strlen)(s);
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while (p != s) {
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p--;
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if (*p == c)
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return (UNIOP_t*)p;
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}
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return NULL;
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}
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