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Code

Make log testable: return true value when something was logged

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This commit is contained in:
Moritz Grimm 2015-05-24 09:05:40 +02:00
parent 2ccc72c963
commit 4c6a879303
2 changed files with 55 additions and 29 deletions
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70
src/log.c
View File

@ -29,23 +29,26 @@
#include "cfg.h"
#include "log.h"
static void _log(enum log_levels, const char *, ...)
static int _log(enum log_levels, const char *, ...)
ATTRIBUTE_NONNULL(2)
ATTRIBUTE_FORMAT(printf, 2, 3);
static void _vlog(enum log_levels, const char *, va_list)
static int _vlog(enum log_levels, const char *, va_list)
ATTRIBUTE_NONNULL(2);
static void
static int
_log(enum log_levels lvl, const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
_vlog(lvl, fmt, ap);
ret = _vlog(lvl, fmt, ap);
va_end(ap);
return (ret);
}
static void
static int
_vlog(enum log_levels lvl, const char *fmt, va_list ap)
{
va_list ap2;
@ -63,18 +66,18 @@ _vlog(enum log_levels lvl, const char *fmt, va_list ap)
break;
case NOTICE:
if (cfg_get_program_verbosity() < 1)
return;
return (0);
p = LOG_NOTICE;
break;
case INFO:
if (cfg_get_program_verbosity() < 2)
return;
return (0);
p = LOG_INFO;
break;
case DEBUG:
default:
if (cfg_get_program_verbosity() < 3)
return;
return (0);
p = LOG_DEBUG;
break;
};
@ -82,6 +85,8 @@ _vlog(enum log_levels lvl, const char *fmt, va_list ap)
va_copy(ap2, ap);
vsyslog(p, fmt, ap2);
va_end(ap2);
return (1);
}
int
@ -99,75 +104,96 @@ log_exit(void)
closelog();
}
void
int
log_syserr(enum log_levels lvl, int error, const char *pfx)
{
char errbuf[1024];
int ret;
if (0 != strerror_r(error, errbuf, sizeof(errbuf)))
abort();
_log(lvl, "%s%s%s",
ret = _log(lvl, "%s%s%s",
pfx ? pfx : "",
pfx ? ": " : "",
errbuf);
return (ret);
}
void
int
log_alert(const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
_vlog(ALERT, fmt, ap);
ret = _vlog(ALERT, fmt, ap);
va_end(ap);
return (ret);
}
void
int
log_error(const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
_vlog(ERROR, fmt, ap);
ret = _vlog(ERROR, fmt, ap);
va_end(ap);
return (ret);
}
void
int
log_warning(const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
_vlog(WARNING, fmt, ap);
ret = _vlog(WARNING, fmt, ap);
va_end(ap);
return (ret);
}
void
int
log_notice(const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
_vlog(NOTICE, fmt, ap);
ret = _vlog(NOTICE, fmt, ap);
va_end(ap);
return (ret);
}
void
int
log_info(const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
_vlog(INFO, fmt, ap);
ret = _vlog(INFO, fmt, ap);
va_end(ap);
return (ret);
}
void
int
log_debug(const char *fmt, ...)
{
va_list ap;
int ret;
va_start(ap, fmt);
_vlog(DEBUG, fmt, ap);
ret = _vlog(DEBUG, fmt, ap);
va_end(ap);
return (ret);
}

14
src/log.h
View File

@ -31,24 +31,24 @@ enum log_levels {
int log_init(void);
void log_exit(void);
void log_syserr(enum log_levels, int, const char *);
int log_syserr(enum log_levels, int, const char *);
void log_alert(const char *, ...)
int log_alert(const char *, ...)
ATTRIBUTE_NONNULL(1)
ATTRIBUTE_FORMAT(printf, 1, 2);
void log_error(const char *, ...)
int log_error(const char *, ...)
ATTRIBUTE_NONNULL(1)
ATTRIBUTE_FORMAT(printf, 1, 2);
void log_warning(const char *, ...)
int log_warning(const char *, ...)
ATTRIBUTE_NONNULL(1)
ATTRIBUTE_FORMAT(printf, 1, 2);
void log_notice(const char *, ...)
int log_notice(const char *, ...)
ATTRIBUTE_NONNULL(1)
ATTRIBUTE_FORMAT(printf, 1, 2);
void log_info(const char *, ...)
int log_info(const char *, ...)
ATTRIBUTE_NONNULL(1)
ATTRIBUTE_FORMAT(printf, 1, 2);
void log_debug(const char *, ...)
int log_debug(const char *, ...)
ATTRIBUTE_NONNULL(1)
ATTRIBUTE_FORMAT(printf, 1, 2);