nat: Add a test utility for the number rewriting

This commit is contained in:
Holger Hans Peter Freyther 2011-05-24 15:56:14 +02:00
parent 1d54c40dd6
commit 384ef09920
1 changed files with 30 additions and 0 deletions

View File

@ -0,0 +1,30 @@
/* make test_regexp */
#include <sys/types.h>
#include <regex.h>
#include <stdio.h>
int main(int argc, char **argv)
{
regex_t reg;
regmatch_t matches[2];
if (argc != 4) {
printf("Invoke with: test_regexp REGEXP REPLACE NR\n");
return -1;
}
if (regcomp(&reg, argv[1], REG_EXTENDED) != 0) {
fprintf(stderr, "Regexp '%s' is not valid.\n", argv[1]);
return -1;
}
if (regexec(&reg, argv[3], 2, matches, 0) == 0 && matches[1].rm_eo != -1)
printf("New Number: %s%s\n", argv[2], &argv[3][matches[1].rm_so]);
else
printf("No match.\n");
regfree(&reg);
return 0;
}