77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
/*
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randtest.c - tests with random regexps
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This software is released under a BSD-style license.
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See the file LICENSE for details and copyright.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <regex.h>
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#include <time.h>
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#undef MALLOC_DEBUGGING
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#ifdef MALLOC_DEBUGGING
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#include "xmalloc.h"
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#endif /* MALLOC_DEBUGGING */
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#define REGEXP_MAX_LEN 16
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int
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main(int argc, char **argv)
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{
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int len, i, flags, n;
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char regex[50];
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char *buf;
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regex_t preg;
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int status, seed;
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seed = time(NULL);
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seed = 1028358583;
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printf("seed = %d\n", seed);
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srand(seed);
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n = 0;
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for (n = 0; n < 0; n++)
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rand();
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while (1)
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{
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printf("*");
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fflush(stdout);
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printf("n = %d\n", n);
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len = 1 + (int)(REGEXP_MAX_LEN * (rand() / (RAND_MAX + 1.0)));
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n++;
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for (i = 0; i < len; i++)
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{
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regex[i] = 1 + (int)(255 * (rand() / (RAND_MAX + 1.0)));
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n++;
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}
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regex[i] = L'\0';
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printf("len = %d, regexp = \"%s\"\n", len, regex);
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for (flags = 0;
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flags < (REG_EXTENDED | REG_ICASE | REG_NEWLINE | REG_NOSUB);
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flags++)
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{
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buf = malloc(sizeof(*buf) * len);
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strncpy(buf, regex, len - 1);
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status = tre_regncomp(&preg, buf, len, flags);
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if (status == REG_OK)
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tre_regfree(&preg);
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}
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printf("\n");
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}
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return 0;
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}
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