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

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

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

View File

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