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update bb_getopt_ulflags special for 'ps' applet, usaging '-' as first group char from bb_opt_complementally is new feature: set argv is options;

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use new bb_getopt_ulflags for ps
# define terminal_width 80->79 for unwide
use stdout file descriptor for get_terminal_width_height. (its must)
This commit is contained in:
"Vladimir N. Oleynik" 2005-10-05 10:52:47 +00:00
parent 7abe709867
commit 35939d9378
2 changed files with 50 additions and 19 deletions
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56
libbb/getopt_ulflags.c
View File

@ -110,7 +110,7 @@ const char *bb_opt_complementally
bb_getopt_ulflags's return value will be as if "-a -b -c" were
found.
"ww" Option have int counter usaging. For example ps applet:
"ww" Double option have int counter usaging. For example ps applet:
if w is given once, GNU ps sets the width to 132,
if w is given more than once, it is "unlimited"
@ -175,6 +175,9 @@ Special characters:
"!" If previous point set BB_GETOPT_ERROR, don`t return and call
previous example internally
"-" A minus as one char in bb_opt_complementally group means that
convert the arguments as option, specail for "ps" applet.
"*" A star after a char in bb_opt_complementally means that the
option can occur multiple times:
@ -227,6 +230,9 @@ bb_getopt_ulflags (int argc, char **argv, const char *applet_opts, ...)
va_list p;
const struct option *l_o;
char flg_show_usage_if_error = 0;
char flg_argv_is_opts = 0;
unsigned long trigger;
char **pargv = NULL;
va_start (p, applet_opts);
@ -294,6 +300,10 @@ bb_getopt_ulflags (int argc, char **argv, const char *applet_opts, ...)
flg_show_usage_if_error = '!';
continue;
}
if(*s == '-') {
flg_argv_is_opts = '-';
continue;
}
for (on_off = complementally; on_off->opt; on_off++)
if (on_off->opt == *s)
break;
@ -304,17 +314,17 @@ bb_getopt_ulflags (int argc, char **argv, const char *applet_opts, ...)
} else if(*s == '*') {
pair->list_flg++;
} else {
unsigned long *pair_switch = &(pair->switch_on);
if(c)
pair_switch = c == '-' ? &(pair->switch_off) : &(pair->incongruously);
for (on_off = complementally; on_off->opt; on_off++)
if (on_off->opt == *s) {
if(pair_switch == &(on_off->switch_on))
on_off->counter = va_arg (p, int *);
else
*pair_switch |= on_off->switch_on;
break;
}
unsigned long *pair_switch = &(pair->switch_on);
if(c)
pair_switch = c == '-' ? &(pair->switch_off) : &(pair->incongruously);
for (on_off = complementally; on_off->opt; on_off++)
if (on_off->opt == *s) {
if(pair_switch == &(on_off->switch_on))
on_off->counter = va_arg (p, int *);
else
*pair_switch |= on_off->switch_on;
break;
}
}
}
s--;
@ -322,8 +332,8 @@ bb_getopt_ulflags (int argc, char **argv, const char *applet_opts, ...)
while ((c = getopt_long (argc, argv, applet_opts,
bb_applet_long_options, NULL)) > 0) {
unsigned long trigger;
loop_arg_is_opt:
for (on_off = complementally; on_off->opt != c; on_off++) {
if(!on_off->opt)
bb_show_usage ();
@ -341,10 +351,28 @@ bb_getopt_ulflags (int argc, char **argv, const char *applet_opts, ...)
(*(on_off->counter))++;
if(on_off->list_flg) {
*(llist_t **)(on_off->optarg) =
llist_add_to(*(llist_t **)(on_off->optarg), optarg);
llist_add_to(*(llist_t **)(on_off->optarg), optarg);
} else if (on_off->optarg) {
*(char **)(on_off->optarg) = optarg;
}
if(flg_argv_is_opts == 'p')
break;
}
if(flg_argv_is_opts) {
/* process argv is option, for example "ps" applet */
if(flg_argv_is_opts == '-') {
flg_argv_is_opts = 'p';
pargv = argv + optind;
}
while(*pargv) {
c = **pargv;
if(c == '\0') {
pargv++;
} else {
(*pargv)++;
goto loop_arg_is_opt;
}
}
}
return flags;

13
procps/ps.c
View File

@ -26,16 +26,19 @@ extern int ps_main(int argc, char **argv)
{
procps_status_t * p;
int i, len;
#if ENABLE_SELINUX
int use_selinux = 0;
security_context_t sid=NULL;
#endif
#if ENABLE_FEATURE_PS_WIDE
int terminal_width;
int w_count = 0;
bb_opt_complementally="ww";
bb_opt_complementally="-:ww";
#else
# define terminal_width 80
# define terminal_width 79
#endif
#if ENABLE_FEATURE_PS_WIDE || ENABLE_SELINUX
@ -43,7 +46,7 @@ extern int ps_main(int argc, char **argv)
#if ENABLE_FEATURE_PS_WIDE && ENABLE_SELINUX
i = bb_getopt_ulflags(argc, argv, "wc", &w_count);
#elif ENABLE_FEATURE_PS_WIDE && !ENABLE_SELINUX
i = bb_getopt_ulflags(argc, argv, "w", &w_count);
bb_getopt_ulflags(argc, argv, "w", &w_count);
#else /* !ENABLE_FEATURE_PS_WIDE && ENABLE_SELINUX */
i = bb_getopt_ulflags(argc, argv, "c");
#endif
@ -51,10 +54,10 @@ extern int ps_main(int argc, char **argv)
/* if w is given once, GNU ps sets the width to 132,
* if w is given more than once, it is "unlimited"
*/
if((i & 1)) {
if(w_count) {
terminal_width = (w_count==1) ? 132 : INT_MAX;
} else {
get_terminal_width_height(0, &terminal_width, NULL);
get_terminal_width_height(1, &terminal_width, NULL);
/* Go one less... */
terminal_width--;
}