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>

diff --git a/tools/perf/util/parse-options.c b/tools/perf/util/parse-options.c
index b05d51d..36d955e 100644 (file)
--- a/tools/perf/util/parse-options.c
+++ b/tools/perf/util/parse-options.c
@@ -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;
                }
 

diff --git a/tools/perf/util/parse-options.h b/tools/perf/util/parse-options.h
index e301e96..c6aa4ee 100644 (file)
--- a/tools/perf/util/parse-options.h
+++ b/tools/perf/util/parse-options.h
@@ -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) }