67 lines
976 B
C
67 lines
976 B
C
/* See LICENSE file for copyright and license details. */
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#include <libgen.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdbool.h>
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#include "arg.h"
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#include "util.h"
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char *argv0;
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void
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usage(void)
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{
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eprintf("usage: %s [-ahz] [-s suffix] name [suffix]\n",
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basename(argv0));
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}
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int
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main(int argc, char *argv[])
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{
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char *s, *suffix = NULL;
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size_t n, sn;
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bool aflag = false, zflag = false;
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ARGBEGIN {
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case 'a':
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aflag = true;
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break;
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case 's':
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suffix = EARGF(usage());
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break;
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case 'z':
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zflag = true;
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break;
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case 'h':
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default:
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usage();
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} ARGEND;
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if (argc < 1)
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usage();
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if (!aflag && argc == 2)
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suffix = argv[1];
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if (suffix)
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sn = strlen(suffix);
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for (; argc > 0; argc--, argv++) {
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s = basename(argv[0]);
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if (suffix) {
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n = strlen(s) - sn;
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if (!strcmp(&s[n], suffix))
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s[n] = '\0';
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}
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printf("%s%c", s, (zflag)? '\0' : '\n');
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if (!aflag)
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break;
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}
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return EXIT_SUCCESS;
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}
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