mirror of
https://git.busybox.net/busybox.git
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5415c856ea
(by Valdimir) function old new delta config_open2 - 41 +41 config_read 507 542 +35 find_pair 169 187 +18 fopen_for_write - 14 +14 fopen_for_read - 14 +14 find_main 406 418 +12 xfopen_for_write - 10 +10 xfopen_for_read - 10 +10 popstring 134 140 +6 parse_inittab 396 401 +5 next_token 923 928 +5 pack_gzip 1659 1661 +2 bb__parsespent 117 119 +2 fallbackSort 1719 1717 -2 evalvar 1376 1374 -2 qrealloc 36 33 -3 ... ... ... ... singlemount 4579 4569 -10 process_stdin 443 433 -10 patch_main 1111 1101 -10 ifupdown_main 2175 2165 -10 file_action_grep 90 80 -10 uuidcache_init 649 637 -12 hush_main 797 785 -12 read_config 230 217 -13 dpkg_main 3835 3820 -15 read_line_input 3134 3110 -24 sysctl_main 232 203 -29 config_open 40 10 -30 WARN_BAD_LINE 44 - -44 login_main 1714 1575 -139 ------------------------------------------------------------------------------ (add/remove: 5/1 grow/shrink: 8/74 up/down: 174/-737) Total: -563 bytes
99 lines
2.1 KiB
C
99 lines
2.1 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* dos2unix for BusyBox
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*
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* dos2unix '\n' convertor 0.5.0
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* based on Unix2Dos 0.9.0 by Peter Hanecak (made 19.2.1997)
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* Copyright 1997,.. by Peter Hanecak <hanecak@megaloman.sk>.
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* All rights reserved.
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*
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* dos2unix filters reading input from stdin and writing output to stdout.
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*
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* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
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*/
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#include "libbb.h"
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enum {
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CT_UNIX2DOS = 1,
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CT_DOS2UNIX
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};
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/* if fn is NULL then input is stdin and output is stdout */
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static void convert(char *fn, int conv_type)
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{
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FILE *in, *out;
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int i;
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char *temp_fn = temp_fn; /* for compiler */
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char *resolved_fn = resolved_fn;
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in = stdin;
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out = stdout;
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if (fn != NULL) {
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struct stat st;
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resolved_fn = xmalloc_follow_symlinks(fn);
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if (resolved_fn == NULL)
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bb_simple_perror_msg_and_die(fn);
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in = xfopen_for_read(resolved_fn);
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fstat(fileno(in), &st);
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temp_fn = xasprintf("%sXXXXXX", resolved_fn);
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i = mkstemp(temp_fn);
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if (i == -1
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|| fchmod(i, st.st_mode) == -1
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|| !(out = fdopen(i, "w+"))
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) {
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bb_simple_perror_msg_and_die(temp_fn);
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}
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}
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while ((i = fgetc(in)) != EOF) {
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if (i == '\r')
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continue;
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if (i == '\n')
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if (conv_type == CT_UNIX2DOS)
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fputc('\r', out);
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fputc(i, out);
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}
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if (fn != NULL) {
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if (fclose(in) < 0 || fclose(out) < 0) {
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unlink(temp_fn);
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bb_perror_nomsg_and_die();
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}
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xrename(temp_fn, resolved_fn);
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free(temp_fn);
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free(resolved_fn);
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}
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}
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int dos2unix_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int dos2unix_main(int argc, char **argv)
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{
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int o, conv_type;
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/* See if we are supposed to be doing dos2unix or unix2dos */
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conv_type = CT_UNIX2DOS;
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if (applet_name[0] == 'd') {
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conv_type = CT_DOS2UNIX;
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}
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/* -u convert to unix, -d convert to dos */
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opt_complementary = "u--d:d--u"; /* mutually exclusive */
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o = getopt32(argv, "du");
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/* Do the conversion requested by an argument else do the default
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* conversion depending on our name. */
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if (o)
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conv_type = o;
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do {
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/* might be convert(NULL) if there is no filename given */
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convert(argv[optind], conv_type);
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optind++;
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} while (optind < argc);
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return 0;
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}
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