Some formatting updates (ran the code through indent)

-Erik
This commit is contained in:
Erik Andersen
2000-02-08 19:58:47 +00:00
parent c0bf817bbc
commit e49d5ecbbe
163 changed files with 27109 additions and 26607 deletions

134
head.c
View File

@ -1,3 +1,4 @@
/* vi: set sw=4 ts=4: */
/*
* Mini head implementation for busybox
*
@ -26,83 +27,86 @@
#include <stdio.h>
const char head_usage[] =
"head [OPTION] [FILE]...\n\n"
"Print first 10 lines of each FILE to standard output.\n"
"With more than one FILE, precede each with a header giving the\n"
"file name. With no FILE, or when FILE is -, read standard input.\n\n"
"Options:\n"
"\t-n NUM\t\tPrint first NUM lines instead of first 10\n";
"head [OPTION] [FILE]...\n\n"
"Print first 10 lines of each FILE to standard output.\n"
"With more than one FILE, precede each with a header giving the\n"
"file name. With no FILE, or when FILE is -, read standard input.\n\n"
int
head(int len, FILE *src)
"Options:\n" "\t-n NUM\t\tPrint first NUM lines instead of first 10\n";
int head(int len, FILE * src)
{
int i;
char buffer[1024];
int i;
char buffer[1024];
for (i = 0; i < len; i++) {
fgets(buffer, 1024, src);
if (feof(src)) { break; }
fputs(buffer, stdout);
}
return 0;
for (i = 0; i < len; i++) {
fgets(buffer, 1024, src);
if (feof(src)) {
break;
}
fputs(buffer, stdout);
}
return 0;
}
/* BusyBoxed head(1) */
int
head_main(int argc, char **argv)
int head_main(int argc, char **argv)
{
char opt;
int len = 10, tmplen, i;
char opt;
int len = 10, tmplen, i;
/* parse argv[] */
for (i = 1; i < argc; i++) {
if (argv[i][0] == '-') {
opt = argv[i][1];
switch (opt) {
case 'n':
tmplen = 0;
if (++i < argc)
tmplen = atoi(argv[i]);
if (tmplen < 1)
usage(head_usage);
len = tmplen;
break;
case '-':
case 'h':
usage(head_usage);
default:
fprintf(stderr, "head: invalid option -- %c\n", opt);
usage(head_usage);
}
} else {
break;
}
}
/* get rest of argv[] or stdin if nothing's left */
if (i >= argc) {
head(len, stdin);
/* parse argv[] */
for (i = 1; i < argc; i++) {
if (argv[i][0] == '-') {
opt = argv[i][1];
switch (opt) {
case 'n':
tmplen = 0;
if (++i < argc)
tmplen = atoi(argv[i]);
if (tmplen < 1)
usage(head_usage);
len = tmplen;
break;
case '-':
case 'h':
usage(head_usage);
default:
fprintf(stderr, "head: invalid option -- %c\n", opt);
usage(head_usage);
}
} else {
break;
}
}
int need_headers = ((argc - i) > 1);
/* get rest of argv[] or stdin if nothing's left */
if (i >= argc) {
head(len, stdin);
for (; i < argc; i++) {
FILE *src;
} else {
int need_headers = ((argc - i) > 1);
for ( ; i < argc; i++) {
FILE *src;
src = fopen(argv[i], "r");
if (!src) {
fprintf(stderr,"head: %s: %s\n", argv[i], strerror(errno));
} else {
/* emulating GNU behaviour */
if (need_headers) {
fprintf(stdout, "==> %s <==\n", argv[i]);
src = fopen(argv[i], "r");
if (!src) {
fprintf(stderr, "head: %s: %s\n", argv[i],
strerror(errno));
} else {
/* emulating GNU behaviour */
if (need_headers) {
fprintf(stdout, "==> %s <==\n", argv[i]);
}
head(len, src);
if (i < argc - 1) {
fprintf(stdout, "\n");
}
}
}
head(len, src);
if (i < argc - 1) {
fprintf(stdout, "\n");
}
}
}
}
exit(0);
exit(0);
}
/* $Id: head.c,v 1.7 2000/02/07 05:29:42 erik Exp $ */
/* $Id: head.c,v 1.8 2000/02/08 19:58:47 erik Exp $ */