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| author | Denis Vlasenko | 2007-07-21 13:27:44 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2007-07-21 13:27:44 +0000 |
| commit | 091965768da4175d3763e61db56bba058d68ae3b (patch) | |
| tree | 011719c7b70c58099641d98244ea1aad9b2a8e5d /libbb/getopt32.c | |
| parent | 557fb713e0f943ac9b87c9f3804ba24e73d55bb0 (diff) | |
| download | busybox-091965768da4175d3763e61db56bba058d68ae3b.zip busybox-091965768da4175d3763e61db56bba058d68ae3b.tar.gz | |
libbb: nuke BB_GETOPT_ERROR, always die if there are mutually exclusive options
find_pair 164 180 +16
passwd_main 1222 1230 +8
display_speed 91 96 +5
msh_main 1335 1339 +4
qrealloc 38 36 -2
refresh 1190 1182 -8
cut_main 543 532 -11
sendCgi 1807 1794 -13
getopt32 1063 1045 -18
arith 2077 2030 -47
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(add/remove: 0/0 grow/shrink: 4/6 up/down: 33/-99) Total: -66 bytes
text data bss dec hex filename
781548 1168 11900 794616 c1ff8 busybox_old
781452 1168 11900 794520 c1f98 busybox_unstripped
Diffstat (limited to 'libbb/getopt32.c')
| -rw-r--r-- | libbb/getopt32.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/libbb/getopt32.c b/libbb/getopt32.c index d4465f8..f5aaa70 100644 --- a/libbb/getopt32.c +++ b/libbb/getopt32.c @@ -217,20 +217,12 @@ Special characters: -b, -c and -f are mutally exclusive and should raise an error if specified together. In this case you must set opt_complementary = "b--cf:c--bf:f--bc". If two of the - mutually exclusive options are found, getopt32's - return value will have the error flag set (BB_GETOPT_ERROR) so - that we can check for it: - - if (flags & BB_GETOPT_ERROR) - bb_show_usage(); + mutually exclusive options are found, getopt32 will call + bb_show_usage() and die. "x--x" Variation of the above, it means that -x option should occur at most once. - "?" A "?" as the first char in a opt_complementary group means: - if BB_GETOPT_ERROR is detected, don't return, call bb_show_usage - and exit instead. Next char after '?' can't be a digit. - "::" A double colon after a char in opt_complementary means that the option can occur multiple times. Each occurrence will be saved as a llist_t element instead of char*. @@ -476,11 +468,8 @@ getopt32(int argc, char **argv, const char *applet_opts, ...) if (on_off->opt == 0 && c != 0) bb_show_usage(); } - if (flags & on_off->incongruously) { - if ((spec_flgs & SHOW_USAGE_IF_ERROR)) - bb_show_usage(); - flags |= BB_GETOPT_ERROR; - } + if (flags & on_off->incongruously) + bb_show_usage(); trigger = on_off->switch_on & on_off->switch_off; flags &= ~(on_off->switch_off ^ trigger); flags |= on_off->switch_on ^ trigger; |