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/* See LICENSE file for copyright and license details. */
#include <sys/types.h>
#include <sys/wait.h>
#include <regex.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "arg.h"
#include "util.h"
struct rule {
char *regex; /* Regex to match on filename */
char *file;
char *argv[NR_ARGS];
regex_t regcomp;
};
#include "nopenconf.h"
char *argv0;
int
run(struct rule *rule, char *arg)
{
char *argv[NR_ARGS];
int i;
for (i = 0; rule->argv[i]; i++) {
if (strcmp(rule->argv[i], "{}") == 0) {
argv[i] = arg;
continue;
}
argv[i] = rule->argv[i];
}
argv[i] = NULL;
return spawnvp(NULL, rule->file, argv);
}
struct rule *
matchrule(char *file)
{
int i;
for (i = 0; i < LEN(rules); i++) {
if (regexec(&rules[i].regcomp, file, 0, NULL, 0) == 0)
return &rules[i];
}
return NULL;
}
void
parserules(void)
{
char errbuf[256];
int i, r;
for (i = 0; i < LEN(rules); i++) {
r = regcomp(&rules[i].regcomp, rules[i].regex,
REG_NOSUB | REG_EXTENDED | REG_ICASE);
if (r != 0) {
regerror(r, &rules[i].regcomp, errbuf, sizeof(errbuf));
fprintf(stderr, "invalid regex rules[%d]: %s: %s\n",
i, rules[i].regex, errbuf);
exit(1);
}
}
}
void
usage(void)
{
fprintf(stderr, "usage: %s file...\n", argv0);
exit(1);
}
int
main(int argc, char *argv[])
{
int r;
ARGBEGIN {
default:
usage();
} ARGEND
if (argc == 0)
usage();
r = 0;
parserules();
for (; *argv != NULL; argv++) {
struct rule *rule;
if ((rule = matchrule(argv[0])) == NULL)
continue;
if (run(rule, argv[0]) == -1)
r = 1;
}
return r;
}
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