diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-05 17:04:01 -0300 |
commit | 57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch) | |
tree | 5e910f0e82173f4ef4f51111366a3f1299037a7b /tools/perf/ui/helpline.c |
Initial import
Diffstat (limited to 'tools/perf/ui/helpline.c')
-rw-r--r-- | tools/perf/ui/helpline.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/tools/perf/ui/helpline.c b/tools/perf/ui/helpline.c new file mode 100644 index 000000000..700fb3cfa --- /dev/null +++ b/tools/perf/ui/helpline.c @@ -0,0 +1,73 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "../debug.h" +#include "helpline.h" +#include "ui.h" + +char ui_helpline__current[512]; + +static void nop_helpline__pop(void) +{ +} + +static void nop_helpline__push(const char *msg __maybe_unused) +{ +} + +static int nop_helpline__show(const char *fmt __maybe_unused, + va_list ap __maybe_unused) +{ + return 0; +} + +static struct ui_helpline default_helpline_fns = { + .pop = nop_helpline__pop, + .push = nop_helpline__push, + .show = nop_helpline__show, +}; + +struct ui_helpline *helpline_fns = &default_helpline_fns; + +void ui_helpline__pop(void) +{ + helpline_fns->pop(); +} + +void ui_helpline__push(const char *msg) +{ + helpline_fns->push(msg); +} + +void ui_helpline__vpush(const char *fmt, va_list ap) +{ + char *s; + + if (vasprintf(&s, fmt, ap) < 0) + vfprintf(stderr, fmt, ap); + else { + ui_helpline__push(s); + free(s); + } +} + +void ui_helpline__fpush(const char *fmt, ...) +{ + va_list ap; + + va_start(ap, fmt); + ui_helpline__vpush(fmt, ap); + va_end(ap); +} + +void ui_helpline__puts(const char *msg) +{ + ui_helpline__pop(); + ui_helpline__push(msg); +} + +int ui_helpline__vshow(const char *fmt, va_list ap) +{ + return helpline_fns->show(fmt, ap); +} |