perf options: Introduce OPT_UINTEGER

For unsigned int options to be parsed, next patches will make use of it.

Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2010-05-17 15:30:00 -03:00
parent dc4ff19341
commit c100edbee8
2 changed files with 22 additions and 2 deletions

View File

@ -59,6 +59,7 @@ static int get_value(struct parse_opt_ctx_t *p,
case OPTION_GROUP:
case OPTION_STRING:
case OPTION_INTEGER:
case OPTION_UINTEGER:
case OPTION_LONG:
case OPTION_U64:
default:
@ -126,6 +127,22 @@ static int get_value(struct parse_opt_ctx_t *p,
return opterror(opt, "expects a numerical value", flags);
return 0;
case OPTION_UINTEGER:
if (unset) {
*(unsigned int *)opt->value = 0;
return 0;
}
if (opt->flags & PARSE_OPT_OPTARG && !p->opt) {
*(unsigned int *)opt->value = opt->defval;
return 0;
}
if (get_arg(p, opt, flags, &arg))
return -1;
*(unsigned int *)opt->value = strtol(arg, (char **)&s, 10);
if (*s)
return opterror(opt, "expects a numerical value", flags);
return 0;
case OPTION_LONG:
if (unset) {
*(long *)opt->value = 0;
@ -463,7 +480,10 @@ int usage_with_options_internal(const char * const *usagestr,
switch (opts->type) {
case OPTION_ARGUMENT:
break;
case OPTION_LONG:
case OPTION_U64:
case OPTION_INTEGER:
case OPTION_UINTEGER:
if (opts->flags & PARSE_OPT_OPTARG)
if (opts->long_name)
pos += fprintf(stderr, "[=<n>]");
@ -503,8 +523,6 @@ int usage_with_options_internal(const char * const *usagestr,
case OPTION_INCR:
case OPTION_SET_INT:
case OPTION_SET_PTR:
case OPTION_LONG:
case OPTION_U64:
break;
}

View File

@ -18,6 +18,7 @@ enum parse_opt_type {
OPTION_LONG,
OPTION_CALLBACK,
OPTION_U64,
OPTION_UINTEGER,
};
enum parse_opt_flags {
@ -101,6 +102,7 @@ struct option {
#define OPT_SET_INT(s, l, v, h, i) { .type = OPTION_SET_INT, .short_name = (s), .long_name = (l), .value = (v), .help = (h), .defval = (i) }
#define OPT_SET_PTR(s, l, v, h, p) { .type = OPTION_SET_PTR, .short_name = (s), .long_name = (l), .value = (v), .help = (h), .defval = (p) }
#define OPT_INTEGER(s, l, v, h) { .type = OPTION_INTEGER, .short_name = (s), .long_name = (l), .value = (v), .help = (h) }
#define OPT_UINTEGER(s, l, v, h) { .type = OPTION_UINTEGER, .short_name = (s), .long_name = (l), .value = (v), .help = (h) }
#define OPT_LONG(s, l, v, h) { .type = OPTION_LONG, .short_name = (s), .long_name = (l), .value = (v), .help = (h) }
#define OPT_U64(s, l, v, h) { .type = OPTION_U64, .short_name = (s), .long_name = (l), .value = (v), .help = (h) }
#define OPT_STRING(s, l, v, a, h) { .type = OPTION_STRING, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h) }