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83 lines
1.3 KiB
83 lines
1.3 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 "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 __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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