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touch: add new option FEATURE_TOUCH_SUSV3 

This options -d -t -r where hidden under DESKTOP.
This option allows the user to enable these options for (only) touch.

The patch only changes DESKTOP to FEATURE_TOUCH_SUSV3.

Signed-off-by: walter harms <wharms@bfs.de>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
walter harms 2011-12-14 08:48:59 +01:00 committed by Denys Vlasenko
parent 3ef3cc5949
commit fdf514f343
1 changed files with 15 additions and 8 deletions
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23
coreutils/touch.c
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@ -25,17 +25,24 @@
//config: help
//config: touch is used to create or change the access and/or
//config: modification timestamp of specified files.
//config:
//config:config FEATURE_TOUCH_SUSV3
//config: bool "Add support for SUSV3 features (-d -t -r)"
//config: default y
//config: depends on TOUCH
//config: help
//config: Enable touch to use a reference file or a given date/time argument.
//applet:IF_TOUCH(APPLET_NOFORK(touch, touch, BB_DIR_BIN, BB_SUID_DROP, touch))
//kbuild:lib-$(CONFIG_TOUCH) += touch.o
//usage:#define touch_trivial_usage
//usage: "[-c]" IF_DESKTOP(" [-d DATE] [-t DATE] [-r FILE]") " FILE [FILE]..."
//usage: "[-c]" IF_FEATURE_TOUCH_SUSV3(" [-d DATE] [-t DATE] [-r FILE]") " FILE..."
//usage:#define touch_full_usage "\n\n"
//usage: "Update the last-modified date on the given FILE[s]\n"
//usage: "\n -c Don't create files"
//usage: IF_DESKTOP(
//usage: IF_FEATURE_TOUCH_SUSV3(
//usage: "\n -d DT Date/time to use"
//usage: "\n -t DT Date/time to use"
//usage: "\n -r FILE Use FILE's date/time"
@ -72,7 +79,7 @@ int touch_main(int argc UNUSED_PARAM, char **argv)
int fd;
int status = EXIT_SUCCESS;
int opts;
#if ENABLE_DESKTOP
#if ENABLE_FEATURE_TOUCH_SUSV3
# if ENABLE_LONG_OPTS
static const char touch_longopts[] ALIGN1 =
/* name, has_arg, val */
@ -91,17 +98,17 @@ int touch_main(int argc UNUSED_PARAM, char **argv)
# define timebuf ((struct timeval*)NULL)
#endif
#if ENABLE_DESKTOP && ENABLE_LONG_OPTS
#if ENABLE_FEATURE_TOUCH_SUSV3 && ENABLE_LONG_OPTS
applet_long_options = touch_longopts;
#endif
/* -d and -t both set time. In coreutils,
* accepted data format differs a bit between -d and -t.
* We accept the same formats for both */
opts = getopt32(argv, "c" IF_DESKTOP("r:d:t:")
opts = getopt32(argv, "c" IF_FEATURE_TOUCH_SUSV3("r:d:t:")
/*ignored:*/ "fma"
IF_DESKTOP(, &reference_file)
IF_DESKTOP(, &date_str)
IF_DESKTOP(, &date_str)
IF_FEATURE_TOUCH_SUSV3(, &reference_file)
IF_FEATURE_TOUCH_SUSV3(, &date_str)
IF_FEATURE_TOUCH_SUSV3(, &date_str)
);
opts &= 1; /* only -c bit is left */