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log: switch to using FILE * for logging, since fdprintf isn't reentrant

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(and fdprintf was never meant to be reentrant, either)

A huge thanks to welshbyte for reporting the bug and being very
helpful in helping me fix it.

git-svn-id: https://svn.musicpd.org/mpd/trunk@4537 09075e82-0dd4-0310-85a5-a0d7c8717e4f
This commit is contained in:
Eric Wong 2006-08-03 03:29:02 +00:00
parent 15c2aa765a
commit 057a483710
1 changed files with 15 additions and 12 deletions
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27
src/log.c
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@ -84,11 +84,11 @@ static void buffer_warning(const char *fmt, va_list args)
va_end(args);
}
static void do_log(const int fd, const char *fmt, va_list args)
static void do_log(FILE *fp, const char *fmt, va_list args)
{
if (!stdout_mode)
xwrite(fd, log_date(), 15);
vfdprintf(fd, fmt, args);
fwrite(log_date(), 15, 1, fp);
vfprintf(fp, fmt, args);
}
void flushWarningLog(void)
@ -102,7 +102,7 @@ void flushWarningLog(void)
s = strtok(warningBuffer, "\n");
while (s != NULL) {
fdprintf(STDERR_FILENO, "%s\n", s);
vfprintf(stderr, "%s\n", s);
s = strtok(NULL, "\n");
}
@ -115,6 +115,9 @@ void initLog(const int verbose)
{
ConfigParam *param;
/* unbuffer stdout, stderr is unbuffered by default, leave it */
setvbuf(stdout, (char *)NULL, _IONBF, 0);
if (verbose) {
logLevel = LOG_LEVEL_DEBUG;
return;
@ -171,23 +174,23 @@ void setup_log_output(const int use_stdout)
redirect_stdin();
}
#define log_func(func,level,fd) \
#define log_func(func,level,fp) \
mpd_printf void func(const char *fmt, ...) \
{ \
if (logLevel >= level) { \
va_list args; \
va_start(args, fmt); \
do_log(fd, fmt, args); \
do_log(fp, fmt, args); \
va_end(args); \
} \
}
log_func(ERROR, 0, STDERR_FILENO)
log_func(LOG, 0, STDOUT_FILENO)
log_func(SECURE, LOG_LEVEL_SECURE, STDOUT_FILENO)
log_func(ERROR, 0, stderr)
log_func(LOG, 0, stdout)
log_func(SECURE, LOG_LEVEL_SECURE, stdout)
#ifndef NDEBUG
log_func(DEBUG, LOG_LEVEL_DEBUG, STDOUT_FILENO)
log_func(DEBUG, LOG_LEVEL_DEBUG, stdout)
#endif /* NDEBUG */
#undef log_func
@ -197,7 +200,7 @@ void WARNING(const char *fmt, ...)
va_list args;
va_start(args, fmt);
if (warningFlushed) {
do_log(STDERR_FILENO, fmt, args);
do_log(stderr, fmt, args);
} else
buffer_warning(fmt, args);
va_end(args);
@ -207,7 +210,7 @@ mpd_printf mpd_noreturn void FATAL(const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
do_log(STDERR_FILENO, fmt, args);
do_log(stderr, fmt, args);
va_end(args);
exit(EXIT_FAILURE);
}