58 lines
1.1 KiB
C
58 lines
1.1 KiB
C
#include "wildcard_cmp.h"
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#include <stdbool.h>
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#include <stddef.h>
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#include <string.h>
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#include <strings.h>
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int wildcard_cmp(const char *s, const char *p, const bool casecmp)
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{
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int (*const cmp)(const char *, const char *) =
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casecmp ? strcmp : strcasecmp;
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int (*const ncmp)(const char *, const char *, size_t) =
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casecmp ? strncmp : strncasecmp;
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while (*p && *s)
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{
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const char *const wc = strchr(p, '*');
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if (!wc)
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return cmp(s, p);
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const size_t n = wc - p;
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if (n)
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{
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const int r = ncmp(s, p, n);
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if (r)
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return r;
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p += n;
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s += n;
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}
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else
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{
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const char next = *(wc + 1), wca[2] = {next}, sa[sizeof wca] = {*s};
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if (!cmp(wca, sa))
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{
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p = wc + 1;
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s += n;
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}
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else if (next == '*')
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p++;
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else
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{
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s++;
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p += n;
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}
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}
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}
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while (*p)
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if (*p++ != '*')
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return -1;
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return 0;
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}
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