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author | Evan Benn <evanbenn@chromium.org> | 2022-06-01 10:24:08 +1000 |
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committer | Edward O'Callaghan <quasisec@chromium.org> | 2022-08-19 04:37:43 +0000 |
commit | 401d9bfa71ee3269ff0e561c3ba795410b920e6d (patch) | |
tree | a6427cfd508bb0c73bc35347ccd7d2b87ad34920 /bindings/rust/libflashrom/src/log.c | |
parent | 06d32e11473bbd4631cf2709c16d220d81280f2d (diff) | |
download | flashrom-401d9bfa71ee3269ff0e561c3ba795410b920e6d.tar.gz flashrom-401d9bfa71ee3269ff0e561c3ba795410b920e6d.tar.bz2 flashrom-401d9bfa71ee3269ff0e561c3ba795410b920e6d.zip |
bindings/rust/libflashrom: Create fat rust binding
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>
Diffstat (limited to 'bindings/rust/libflashrom/src/log.c')
-rw-r--r-- | bindings/rust/libflashrom/src/log.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/bindings/rust/libflashrom/src/log.c b/bindings/rust/libflashrom/src/log.c new file mode 100644 index 00000000..6ca3ad15 --- /dev/null +++ b/bindings/rust/libflashrom/src/log.c @@ -0,0 +1,61 @@ +/* + * This file is part of the flashrom project. + * + * Copyright (C) 2022 The Chromium OS Authors + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <stdarg.h> +#include <stdlib.h> +#include <stdio.h> + +#include "libflashrom.h" + +void log_rust(enum flashrom_log_level level, const char *format); + +// LOG_LEVEL = 0 (ERROR) means no messages are printed. +enum flashrom_log_level current_level = 0; + +static int log_c(enum flashrom_log_level level, const char *format, va_list ap) +{ + static char *buf = NULL; + static int len = 0; + if (level >= current_level) { + return 0; + } + + va_list ap2; + va_copy(ap2, ap); + // when buf is NULL, len is zero and this will not write to buf + int req_len = vsnprintf(buf, len, format, ap2); + va_end(ap2); + + if (req_len > len) { + char *new_buf = realloc(buf, req_len + 1); + if (!new_buf) { + return 0; + } + buf = new_buf; + len = req_len + 1; + req_len = vsnprintf(buf, len, format, ap); + } + + if (req_len > 0) { + log_rust(level, buf); + } + return req_len; +} + +void set_log_callback() +{ + flashrom_set_log_callback(log_c); +} |