mirror of
https://git.savannah.gnu.org/git/gperf.git
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117 lines
2.8 KiB
Plaintext
117 lines
2.8 KiB
Plaintext
/* C code produced by gperf version 2.7.2 */
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/* Command-line: ../src/gperf -m5 --ignore-case */
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/* Computed positions: -k'1-2' */
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/* Test of a hash function which has to deal with permutation and
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case-independence. Without case-independence, the alpha_inc is 1.
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With case-independence, the alpha_inc is 3. */
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#define TOTAL_KEYWORDS 8
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#define MIN_WORD_LENGTH 2
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#define MAX_WORD_LENGTH 2
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#define MIN_HASH_VALUE 2
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#define MAX_HASH_VALUE 9
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/* maximum key range = 8, duplicates = 0 */
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#ifndef GPERF_CASE_STRCMP
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#define GPERF_CASE_STRCMP 1
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static int
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gperf_case_strcmp (s1, s2)
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register const char *s1;
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register const char *s2;
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{
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for (;;)
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{
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unsigned char c1 = *s1++;
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unsigned char c2 = *s2++;
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if (c1 >= 'A' && c1 <= 'Z')
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c1 += 'a' - 'A';
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if (c2 >= 'A' && c2 <= 'Z')
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c2 += 'a' - 'A';
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if (c1 != 0 && c1 == c2)
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continue;
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return (int)c1 - (int)c2;
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}
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}
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#endif
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#ifdef __GNUC__
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__inline
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#else
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#ifdef __cplusplus
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inline
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#endif
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#endif
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static unsigned int
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hash (str, len)
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register const char *str;
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register unsigned int len;
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{
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static unsigned char asso_values[] =
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{
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10, 1,10,10, 3,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10, 3, 1,
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0, 7, 1, 0, 3,10,10, 1,10,10,
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3,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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3, 1, 0, 0, 1, 0, 2,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10,10,
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10,10,10,10,10,10,10,10,10
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};
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return len + asso_values[(unsigned char)str[1]+3] + asso_values[(unsigned char)str[0]];
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}
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#ifdef __GNUC__
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__inline
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#endif
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const char *
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in_word_set (str, len)
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register const char *str;
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register unsigned int len;
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{
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static const char * wordlist[] =
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{
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"", "",
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"{w",
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"az",
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"ay",
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"za",
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"ya",
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"x{",
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"x[",
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"[w"
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};
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if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
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{
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register int key = hash (str, len);
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if (key <= MAX_HASH_VALUE && key >= 0)
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{
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register const char *s = wordlist[key];
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if ((((unsigned char)*str ^ (unsigned char)*s) & ~32) == 0 && !gperf_case_strcmp (str, s))
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return s;
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}
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}
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return 0;
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}
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