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85 lines
1.4 KiB
85 lines
1.4 KiB
// SPDX-License-Identifier: GPL-2.0
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#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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#include "../util.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 __maybe_unused)
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{
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}
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static int nop_helpline__show(const char *fmt __maybe_unused,
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va_list ap __maybe_unused)
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{
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return 0;
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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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.show = nop_helpline__show,
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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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int ui_helpline__vshow(const char *fmt, va_list ap)
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{
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return helpline_fns->show(fmt, ap);
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}
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void ui_helpline__printf(const char *fmt, ...)
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{
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va_list ap;
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ui_helpline__pop();
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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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