e6e9046879
Add struct ui_helpline in order to provide flexible implementation of helpline APIs. And convert existing TUI implementation to use it. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1345104894-14205-1-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
62 lines
946 B
C
62 lines
946 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../debug.h"
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#include "helpline.h"
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#include "ui.h"
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char ui_helpline__current[512];
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static void nop_helpline__pop(void)
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{
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}
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static void nop_helpline__push(const char *msg __used)
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{
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}
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static struct ui_helpline default_helpline_fns = {
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.pop = nop_helpline__pop,
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.push = nop_helpline__push,
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};
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struct ui_helpline *helpline_fns = &default_helpline_fns;
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void ui_helpline__pop(void)
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{
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helpline_fns->pop();
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}
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void ui_helpline__push(const char *msg)
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{
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helpline_fns->push(msg);
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}
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void ui_helpline__vpush(const char *fmt, va_list ap)
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{
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char *s;
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if (vasprintf(&s, fmt, ap) < 0)
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vfprintf(stderr, fmt, ap);
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else {
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ui_helpline__push(s);
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free(s);
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}
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}
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void ui_helpline__fpush(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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ui_helpline__vpush(fmt, ap);
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va_end(ap);
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}
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void ui_helpline__puts(const char *msg)
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{
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ui_helpline__pop();
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ui_helpline__push(msg);
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}
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