151 lines
3.5 KiB
C
151 lines
3.5 KiB
C
/*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public
|
|
* License v2 as published by the Free Software Foundation.
|
|
*
|
|
* 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.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this program; if not, write to the
|
|
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
* Boston, MA 021110-1307, USA.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
#include "common/messages.h"
|
|
#include "common/utils.h"
|
|
|
|
static const char *common_error_string[] = {
|
|
[ERROR_MSG_MEMORY] = "not enough memory",
|
|
[ERROR_MSG_START_TRANS] = "failed to start transaction",
|
|
[ERROR_MSG_COMMIT_TRANS] = "failed to commit transaction",
|
|
};
|
|
|
|
__attribute__ ((format (printf, 1, 2)))
|
|
void __btrfs_printf(const char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
|
|
va_start(args, fmt);
|
|
vfprintf(stderr, fmt, args);
|
|
va_end(args);
|
|
}
|
|
|
|
#ifndef PV_WORKAROUND
|
|
|
|
static int va_modifier = -1;
|
|
|
|
static int print_va_format(FILE *stream, const struct printf_info *info,
|
|
const void *const *args)
|
|
{
|
|
const struct va_format *fmt;
|
|
|
|
if (!(info->user & va_modifier))
|
|
return -2;
|
|
|
|
fmt = *((const struct va_format **)(args[0]));
|
|
return vfprintf(stream, fmt->fmt, *(fmt->va));
|
|
}
|
|
|
|
static int print_va_format_arginfo(const struct printf_info *info,
|
|
size_t n, int *argtypes, int *size)
|
|
{
|
|
if (n > 0) {
|
|
argtypes[0] = PA_POINTER;
|
|
size[0] = sizeof(struct va_format *);
|
|
}
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
__attribute__ ((format (printf, 2, 3)))
|
|
void btrfs_no_printk(const void *fs_info, const char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
|
|
#ifndef PV_WORKAROUND
|
|
if (va_modifier == -1) {
|
|
register_printf_specifier('V', print_va_format,
|
|
print_va_format_arginfo);
|
|
va_modifier = register_printf_modifier(L"p");
|
|
}
|
|
#endif
|
|
|
|
va_start(args, fmt);
|
|
vfprintf(stderr, fmt, args);
|
|
va_end(args);
|
|
fputc('\n', stderr);
|
|
}
|
|
|
|
static bool should_print(int level)
|
|
{
|
|
if (bconf.verbose == BTRFS_BCONF_QUIET || level == BTRFS_BCONF_QUIET)
|
|
return false;
|
|
|
|
if (bconf.verbose == BTRFS_BCONF_UNSET && level == LOG_DEFAULT)
|
|
return true;
|
|
if (bconf.verbose < level)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Print a message according to the global verbosity level.
|
|
*
|
|
* level: minimum verbose level at which the message will be printed
|
|
*/
|
|
__attribute__ ((format (printf, 2, 3)))
|
|
void pr_verbose(int level, const char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
|
|
if (!should_print(level))
|
|
return;
|
|
|
|
va_start(args, fmt);
|
|
vfprintf(stdout, fmt, args);
|
|
va_end(args);
|
|
}
|
|
|
|
/* Print common error message with optional data, appended after the generic text */
|
|
__attribute__ ((format (printf, 2, 3)))
|
|
void error_msg(enum common_error error, const char *msg, ...)
|
|
{
|
|
const char *str = common_error_string[error];
|
|
|
|
if (msg) {
|
|
va_list args;
|
|
|
|
va_start(args, msg);
|
|
fprintf(stderr, PREFIX_ERROR "%s: ", str);
|
|
vfprintf(stderr, msg, args);
|
|
va_end(args);
|
|
fputc('\n', stderr);
|
|
} else {
|
|
fprintf(stderr, PREFIX_ERROR "%s\n", str);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Print a message according to the global verbosity level - to stderr.
|
|
*
|
|
* level: minimum verbose level at which the message will be printed
|
|
*/
|
|
__attribute__ ((format (printf, 2, 3)))
|
|
void pr_stderr(int level, const char *fmt, ...)
|
|
{
|
|
va_list args;
|
|
|
|
if (!should_print(level))
|
|
return;
|
|
|
|
va_start(args, fmt);
|
|
vfprintf(stderr, fmt, args);
|
|
va_end(args);
|
|
}
|