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Applied patch from I.Q. to add -s to cmp.

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This commit is contained in:
Mark Whitley 2001-04-25 20:41:02 +00:00
parent c29c44c00e
commit 207587a9b4
5 changed files with 49 additions and 18 deletions
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1
applets/usage.h
View File

@ -115,6 +115,7 @@
#define cmp_trivial_usage \
"FILE1 [FILE2]"
#define cmp_full_usage \
"\t-s\tquiet mode - do not print\n" \
"Compare files."
#define cp_trivial_usage \

32
cmp.c
View File

@ -26,28 +26,42 @@
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <getopt.h>
#include "busybox.h"
int cmp_main(int argc, char **argv)
{
FILE *fp1 = NULL, *fp2 = stdin;
char *filename1 = argv[1], *filename2 = "-";
int c1, c2, char_pos = 1, line_pos = 1;
char *filename1, *filename2 = "-";
int c, c1, c2, char_pos = 1, line_pos = 1, silent = FALSE;
/* parse argv[] */
if (argc < 2 || 3 < argc)
show_usage();
while ((c = getopt(argc, argv, "s")) != EOF) {
switch (c) {
case 's':
silent = TRUE;
break;
default:
show_usage();
}
}
fp1 = xfopen(argv[1], "r");
if (argv[2] != NULL) {
fp2 = xfopen(argv[2], "r");
filename2 = argv[2];
filename1 = argv[optind];
switch (argc - optind) {
case 2:
fp2 = xfopen(filename2 = argv[optind + 1], "r");
case 1:
fp1 = xfopen(filename1, "r");
break;
default:
show_usage();
}
do {
c1 = fgetc(fp1);
c2 = fgetc(fp2);
if (c1 != c2) {
if (silent)
return EXIT_FAILURE;
if (c1 == EOF)
printf("EOF on %s\n", filename1);
else if (c2 == EOF)

32
coreutils/cmp.c
View File

@ -26,28 +26,42 @@
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <getopt.h>
#include "busybox.h"
int cmp_main(int argc, char **argv)
{
FILE *fp1 = NULL, *fp2 = stdin;
char *filename1 = argv[1], *filename2 = "-";
int c1, c2, char_pos = 1, line_pos = 1;
char *filename1, *filename2 = "-";
int c, c1, c2, char_pos = 1, line_pos = 1, silent = FALSE;
/* parse argv[] */
if (argc < 2 || 3 < argc)
show_usage();
while ((c = getopt(argc, argv, "s")) != EOF) {
switch (c) {
case 's':
silent = TRUE;
break;
default:
show_usage();
}
}
fp1 = xfopen(argv[1], "r");
if (argv[2] != NULL) {
fp2 = xfopen(argv[2], "r");
filename2 = argv[2];
filename1 = argv[optind];
switch (argc - optind) {
case 2:
fp2 = xfopen(filename2 = argv[optind + 1], "r");
case 1:
fp1 = xfopen(filename1, "r");
break;
default:
show_usage();
}
do {
c1 = fgetc(fp1);
c2 = fgetc(fp2);
if (c1 != c2) {
if (silent)
return EXIT_FAILURE;
if (c1 == EOF)
printf("EOF on %s\n", filename1);
else if (c2 == EOF)

1
include/usage.h
View File

@ -115,6 +115,7 @@
#define cmp_trivial_usage \
"FILE1 [FILE2]"
#define cmp_full_usage \
"\t-s\tquiet mode - do not print\n" \
"Compare files."
#define cp_trivial_usage \

1
usage.h
View File

@ -115,6 +115,7 @@
#define cmp_trivial_usage \
"FILE1 [FILE2]"
#define cmp_full_usage \
"\t-s\tquiet mode - do not print\n" \
"Compare files."
#define cp_trivial_usage \