void
doregexp(const char *argv[], int argc)
{
int error;
regex_t re;
regmatch_t *pmatch;
const char *source;
if (argc <= 3) {
warnx("Too few arguments to regexp");
return;
}
/* special gnu case */
if (argv[3][0] == '\0' && mimic_gnu) {
if (argc == 4 || argv[4] == NULL)
return;
else
pbstr(argv[4]);
}
source = mimic_gnu ? twiddle(argv[3]) : argv[3];
error = regcomp(&re, source, REG_EXTENDED|REG_NEWLINE);
if (error != 0)
exit_regerror(error, &re, source);
pmatch = xreallocarray(NULL, re.re_nsub+1, sizeof(regmatch_t), NULL);
if (argc == 4 || argv[4] == NULL)
do_regexpindex(argv[2], &re, source, pmatch);
else
do_regexp(argv[2], &re, source, argv[4], pmatch);
free(pmatch);
regfree(&re);
}
void
doregexp(const char *argv[], int argc)
{
int error;
regex_t re;
regmatch_t *pmatch;
if (argc <= 3) {
warnx("Too few arguments to regexp");
return;
}
error = regcomp(&re, mimic_gnu ? twiddle(argv[3]) : argv[3],
REG_EXTENDED);
if (error != 0)
exit_regerror(error, &re);
pmatch = xalloc(sizeof(regmatch_t) * (re.re_nsub+1), NULL);
if (argv[4] == NULL || argc == 4)
do_regexpindex(argv[2], &re, pmatch);
else
do_regexp(argv[2], &re, argv[4], pmatch);
free(pmatch);
regfree(&re);
}
