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sed: support long opts and -iSFX

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function                                             old     new   delta
static.sed_longopts                                    -      67     +67
sed_main                                             618     682     +64
packed_usage                                       29179   29236     +57
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(add/remove: 1/0 grow/shrink: 2/0 up/down: 188/0)             Total: 188 bytes

Signed-off-by: Simon B <sburnet@hotmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Simon B 2012-05-06 13:59:15 +02:00 committed by Denys Vlasenko
parent 44642d1ec1
commit 8c3439554a
1 changed files with 28 additions and 5 deletions
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33
editors/sed.c
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@ -62,7 +62,8 @@
//usage:#define sed_full_usage "\n\n"
//usage: " -e CMD Add CMD to sed commands to be executed"
//usage: "\n -f FILE Add FILE contents to sed commands to be executed"
//usage: "\n -i Edit files in-place (else sends result to stdout)"
//usage: "\n -i[SFX] Edit files in-place (otherwise sends to stdout)"
//usage: "\n Optionally backs files up, appending SFX"
//usage: "\n -n Suppress automatic printing of pattern space"
//usage: "\n -r Use extended regex syntax"
//usage: "\n"
@ -1374,6 +1375,19 @@ int sed_main(int argc UNUSED_PARAM, char **argv)
{
unsigned opt;
llist_t *opt_e, *opt_f;
char *opt_i;
#if ENABLE_LONG_OPTS
static const char sed_longopts[] ALIGN1 =
/* name has_arg short */
"in-place\0" Optional_argument "i"
"regexp-extended\0" No_argument "r"
"quiet\0" No_argument "n"
"silent\0" No_argument "n"
"expression\0" Required_argument "e"
"file\0" Required_argument "f";
#endif
int status = EXIT_SUCCESS;
INIT_G();
@ -1382,17 +1396,21 @@ int sed_main(int argc UNUSED_PARAM, char **argv)
if (ENABLE_FEATURE_CLEAN_UP) atexit(sed_free_and_close_stuff);
/* Lie to autoconf when it starts asking stupid questions. */
if (argv[1] && !strcmp(argv[1], "--version")) {
if (argv[1] && strcmp(argv[1], "--version") == 0) {
puts("This is not GNU sed version 4.0");
return 0;
}
/* do normal option parsing */
opt_e = opt_f = NULL;
opt_i = NULL;
opt_complementary = "e::f::" /* can occur multiple times */
"nn"; /* count -n */
IF_LONG_OPTS(applet_long_options = sed_longopts);
/* -i must be first, to match OPT_in_place definition */
opt = getopt32(argv, "irne:f:", &opt_e, &opt_f,
opt = getopt32(argv, "i::rne:f:", &opt_i, &opt_e, &opt_f,
&G.be_quiet); /* counter for -n */
//argc -= optind;
argv += optind;
@ -1474,8 +1492,13 @@ int sed_main(int argc UNUSED_PARAM, char **argv)
fclose(G.nonstdout);
G.nonstdout = stdout;
/* unlink(argv[i]); */
xrename(G.outname, argv[i]);
if (opt_i) {
char *backupname = xasprintf("%s%s", argv[i], opt_i);
xrename(argv[i], backupname);
free(backupname);
}
/* else unlink(argv[i]); - rename below does this */
xrename(G.outname, argv[i]); //TODO: rollback backup on error?
free(G.outname);
G.outname = NULL;