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401d9bfa71
Create a rust library wrapping libflashrom-sys in a more idiomatic rust API. BUG=b:230545739 BRANCH=None TEST=cargo test Change-Id: Ie3bcfde40dc475f6a9439ccab8e2446967f7d6dd Signed-off-by: Evan Benn <evanbenn@chromium.org> Reviewed-on: https://review.coreboot.org/c/flashrom/+/65281 Reviewed-by: Peter Marheine <pmarheine@chromium.org> Reviewed-by: Edward O'Callaghan <quasisec@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
62 lines
1.5 KiB
C
62 lines
1.5 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* Copyright (C) 2022 The Chromium OS Authors
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include "libflashrom.h"
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void log_rust(enum flashrom_log_level level, const char *format);
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// LOG_LEVEL = 0 (ERROR) means no messages are printed.
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enum flashrom_log_level current_level = 0;
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static int log_c(enum flashrom_log_level level, const char *format, va_list ap)
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{
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static char *buf = NULL;
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static int len = 0;
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if (level >= current_level) {
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return 0;
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}
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va_list ap2;
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va_copy(ap2, ap);
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// when buf is NULL, len is zero and this will not write to buf
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int req_len = vsnprintf(buf, len, format, ap2);
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va_end(ap2);
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if (req_len > len) {
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char *new_buf = realloc(buf, req_len + 1);
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if (!new_buf) {
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return 0;
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}
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buf = new_buf;
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len = req_len + 1;
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req_len = vsnprintf(buf, len, format, ap);
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}
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if (req_len > 0) {
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log_rust(level, buf);
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}
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return req_len;
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}
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void set_log_callback()
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{
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flashrom_set_log_callback(log_c);
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}
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