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getopt32: factor out code to treat all args as options

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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
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(add/remove: 2/0 grow/shrink: 0/2 up/down: 58/-61)             Total: -3 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2017-08-04 16:23:42 +02:00
parent 7f9d62d7f5
commit 727948e585
6 changed files with 41 additions and 32 deletions
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4
include/libbb.h
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@@ -1183,7 +1183,9 @@ extern const char *opt_complementary;
extern const char *applet_long_options;
#endif
extern uint32_t option_mask32;
extern uint32_t getopt32(char **argv, const char *applet_opts, ...) FAST_FUNC;
uint32_t getopt32(char **argv, const char *applet_opts, ...) FAST_FUNC;
/* For top, ps. Some argv[i] are replaced by malloced "-opt" strings */
void make_all_argv_opts(char **argv) FAST_FUNC;
/* BSD-derived getopt() functions require that optind be set to 1 in
* order to reset getopt() state. This used to be generally accepted
* way of resetting getopt(). However, glibc's getopt()