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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2017-08-04 16:23:42 +0200 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2017-08-04 16:33:23 +0200 |
| commit | 727948e585cb133c32c8d42570e5524c58190307 (patch) | |
| tree | f2beb48ded47f9d8ebef707516e7bbb00335b1a8 /libbb/getopt_allopts.c | |
| parent | 7f9d62d7f5b67b6b1cc7e0b94826ba2a6e193586 (diff) | |
| download | busybox-w32-727948e585cb133c32c8d42570e5524c58190307.tar.gz busybox-w32-727948e585cb133c32c8d42570e5524c58190307.tar.bz2 busybox-w32-727948e585cb133c32c8d42570e5524c58190307.zip | |
getopt32: factor out code to treat all args as options
Working towards making getopt32() xmalloc-free
function old new delta
make_all_argv_opts - 58 +58
top_main 914 912 -2
getopt32 1517 1458 -59
------------------------------------------------------------------------------
(add/remove: 2/0 grow/shrink: 0/2 up/down: 58/-61) Total: -3 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb/getopt_allopts.c')
| -rw-r--r-- | libbb/getopt_allopts.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/libbb/getopt_allopts.c b/libbb/getopt_allopts.c new file mode 100644 index 000000000..a67d2b70e --- /dev/null +++ b/libbb/getopt_allopts.c | |||
| @@ -0,0 +1,27 @@ | |||
| 1 | /* vi: set sw=4 ts=4: */ | ||
| 2 | /* | ||
| 3 | * Copyright (C) 2017 Denys Vlasenko | ||
| 4 | * | ||
| 5 | * Licensed under GPLv2 or later, see file LICENSE in this source tree. | ||
| 6 | */ | ||
| 7 | #include "libbb.h" | ||
| 8 | |||
| 9 | //kbuild:lib-y += getopt_allopts.o | ||
| 10 | |||
| 11 | void FAST_FUNC make_all_argv_opts(char **argv) | ||
| 12 | { | ||
| 13 | /* Note: we skip argv[0] */ | ||
| 14 | while (*++argv) { | ||
| 15 | char *p; | ||
| 16 | |||
| 17 | if (argv[0][0] == '-') | ||
| 18 | continue; | ||
| 19 | /* Neither top nor ps care if "" arg turns into "-" */ | ||
| 20 | /*if (argv[0][0] == '\0') | ||
| 21 | continue;*/ | ||
| 22 | p = xmalloc(strlen(*argv) + 2); | ||
| 23 | *p = '-'; | ||
| 24 | strcpy(p + 1, *argv); | ||
| 25 | *argv = p; | ||
| 26 | } | ||
| 27 | } | ||