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91 lines
1.8 KiB
C
91 lines
1.8 KiB
C
/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*/
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#include <sys/cdefs.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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static void
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usage(void)
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{
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fprintf(stderr, "usage: %s [-sx] [-n count] [prefix [suffix]]\n",
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getprogname());
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exit(1);
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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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int c, count, linepos, maxcount, pretty, radix;
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maxcount = 0;
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pretty = 0;
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radix = 10;
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while ((c = getopt(argc, argv, "n:sx")) != -1) {
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switch (c) {
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case 'n': /* Max. number of bytes per line. */
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maxcount = strtol(optarg, NULL, 10);
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break;
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case 's': /* Be more style(9) comliant. */
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pretty = 1;
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break;
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case 'x': /* Print hexadecimal numbers. */
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radix = 16;
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break;
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case '?':
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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if (argc > 0)
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printf("%s\n", argv[0]);
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count = linepos = 0;
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while((c = getchar()) != EOF) {
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if (count) {
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putchar(',');
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linepos++;
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}
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if ((maxcount == 0 && linepos > 70) ||
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(maxcount > 0 && count >= maxcount)) {
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putchar('\n');
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count = linepos = 0;
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}
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if (pretty) {
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if (count) {
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putchar(' ');
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linepos++;
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} else {
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putchar('\t');
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linepos += 8;
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}
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}
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switch (radix) {
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case 10:
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linepos += printf("%d", c);
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break;
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case 16:
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linepos += printf("0x%02x", c);
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break;
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default:
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abort();
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}
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count++;
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}
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putchar('\n');
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if (argc > 1)
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printf("%s\n", argv[1]);
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return (0);
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}
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