cmd-glob

glob.c (1400B)

// glob(1) wrapper around glob(3), inspired by https://github.com/isaacs/node-glob
// SPDX-FileCopyrightText: 2023 Haelwenn (lanodan) Monnier <contact+utils@hacktivis.me>
// SPDX-License-Identifier: MPL-2.0
#include <getopt.h> // getopt, opt*
#include <glob.h>   // glob, GLOB
#include <stdio.h>  // fprintf
int
main(int argc, char *argv[])
{
	int flags = GLOB_NOSORT;
	for(int c = -1; (c = getopt(argc, argv, "m")) != -1;)
	{
		switch(c)
		{
		case 'm': // mark
			flags |= GLOB_MARK;
			break;
		default:
			fprintf(stderr, "glob: Unhandled getopt case: %c\n", c);
			return 1;
		}
	}
	argc -= optind;
	argv += optind;
	if(argc == 0)
	{
		fprintf(stderr, "Usage: glob [-m] pattern ...\n");
		return 1;
	}
	for(int i = 0; i < argc; i++)
	{
		char *pat = argv[i];
		glob_t globbuf;
		int ret = glob(pat, flags, NULL, &globbuf);
		switch(ret)
		{
		case 0:
			break;
		case GLOB_ABORTED:
			fprintf(stderr, "glob: Scanned stopped, errfunc returned non-zero\n");
			continue;
		case GLOB_NOMATCH:
			//fprintf(stderr, "glob: Found no files matching pattern %s\n", pat);
			continue;
		case GLOB_NOSPACE:
			fprintf(stderr, "glob: Memory allocation error\n");
			return 1;
		default:
			fprintf(stderr, "glob: Unknown glob(3) return value %d\n", ret);
			return 1;
		}
		for(size_t pi = 0; pi < globbuf.gl_pathc; pi++)
		{
			printf("%s\n", globbuf.gl_pathv[pi]);
		}
		globfree(&globbuf);
	}
}