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fix !ENABLE_FEATURE_GETOPT_LONG build. Closes 3775

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When compiling with !ENABLE_FEATURE_GETOPT_LONG, busybox still tries
to include getopt.h which is not available; for example with uClibc
when !UCLIBC_HAS_GETOPT_LONG.  getopt.h is only required
for the _long set of functions.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2011-05-29 04:24:13 +02:00
parent 217a7f4bf9
commit 488dd70869
5 changed files with 12 additions and 11 deletions
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11
docs/style-guide.txt
View File

@ -679,11 +679,10 @@ line in the midst of your #includes, if you need to parse long options:
Then have long options defined:
static const struct option <applet>_long_options[] = {
{ "list", 0, NULL, 't' },
{ "extract", 0, NULL, 'x' },
{ NULL, 0, NULL, 0 }
};
static const char <applet>_longopts[] ALIGN1 =
"list\0" No_argument "t"
"extract\0" No_argument "x"
;
And a code block similar to the following near the top of your applet_main()
routine:
@ -691,7 +690,7 @@ routine:
char *str_b;
opt_complementary = "cryptic_string";
applet_long_options = <applet>_long_options; /* if you have them */
applet_long_options = <applet>_longopts; /* if you have them */
opt = getopt32(argc, argv, "ab:c", &str_b);
if (opt & 1) {
handle_option_a();