sbase/libutil/enmasse.c

/* See LICENSE file for copyright and license details. */
#include <libgen.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>

#include "../util.h"

void
enmasse(int argc, char *argv[], int (*fn)(const char *, const char *))
{
	char *buf, *dir;
	int i, len;
	long size;
	struct stat st;
	size_t dlen;

	if (argc == 2 && !(stat(argv[1], &st) == 0 && S_ISDIR(st.st_mode))) {
		fnck(argv[0], argv[1], fn);
		return;
	} else {
		dir = (argc == 1) ? "." : argv[--argc];
	}

	apathmax(&buf, &size);
	for (i = 0; i < argc; i++) {
		dlen = strlen(dir);
		if (dlen > 0 && dir[dlen - 1] == '/')
			len = snprintf(buf, size, "%s%s", dir, basename(argv[i]));
		else
			len = snprintf(buf, size, "%s/%s", dir, basename(argv[i]));
		if (len < 0 || len >= size) {
			eprintf("%s/%s: filename too long\n", dir,
			        basename(argv[i]));
		}
		fnck(argv[i], buf, fn);
	}
	free(buf);
}