#include "verbose.h"
+#if !defined(DEFAULT_VERBOSITY)
+# define DEFAULT_VERBOSITY Verbosity_Level_Warning
+#endif
+
int verbosity = 1;
+void (*verbose_observer)(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args);
-#define LEVEL(x) ((x) < 0 ? 0 : (x) > 7 ? 7 : (x))
+#define CROP_LOGLEVEL(x) ((x) < Log_Level_Emergency ? Log_Level_Emergency : (x) > Log_Level_Debug ? Log_Level_Debug : (x))
#if defined(VERBOSE_WITH_SYSLOG)
#include <syslog.h>
-void vverbose(int level, const char *file, int line, const char *function, const char *fmt, va_list args)
+static void _vverbose_(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args)
{
char *p;
if (file == NULL || vasprintf(&p, fmt, args) < 0)
- vsyslog(level, fmt, args);
+ vsyslog(loglevel, fmt, args);
else {
- syslog(LEVEL(level), "%s [%s:%d, function]", p, file, line, function);
+ syslog(CROP_LOGLEVEL(loglevel), "%s [%s:%d, function]", p, file, line, function);
free(p);
}
}
static int appauthority;
-void vverbose(int level, const char *file, int line, const char *function, const char *fmt, va_list args)
+static void _vverbose_(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args)
{
char lino[20];
if (file == NULL) {
- sd_journal_printv(level, fmt, args);
+ sd_journal_printv(loglevel, fmt, args);
} else {
sprintf(lino, "%d", line);
- sd_journal_printv_with_location(level, file, lino, function, fmt, args);
+ sd_journal_printv_with_location(loglevel, file, lino, function, fmt, args);
}
}
#else
#include <unistd.h>
+#include <errno.h>
static const char *appname;
"<7> DEBUG"
};
-void vverbose(int level, const char *file, int line, const char *function, const char *fmt, va_list args)
+static void _vverbose_(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args)
{
+ int saverr = errno;
int tty = isatty(fileno(stderr));
+ errno = saverr;
- fprintf(stderr, "%s: ", prefixes[LEVEL(level)] + (tty ? 4 : 0));
+ fprintf(stderr, "%s: ", prefixes[CROP_LOGLEVEL(loglevel)] + (tty ? 4 : 0));
vfprintf(stderr, fmt, args);
if (file != NULL && (!tty || verbosity > 2))
fprintf(stderr, " [%s:%d,%s]\n", file, line, function);
#endif
-void verbose(int level, const char *file, int line, const char *function, const char *fmt, ...)
+void verbose(int loglevel, const char *file, int line, const char *function, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
- vverbose(level, file, line, function, fmt, ap);
+ vverbose(loglevel, file, line, function, fmt, ap);
va_end(ap);
}
+void vverbose(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args)
+{
+ void (*observer)(int loglevel, const char *file, int line, const char *function, const char *fmt, va_list args) = verbose_observer;
+
+ if (!observer)
+ _vverbose_(loglevel, file, line, function, fmt, args);
+ else {
+ va_list ap;
+ va_copy(ap, args);
+ _vverbose_(loglevel, file, line, function, fmt, args);
+ observer(loglevel, file, line, function, fmt, ap);
+ va_end(ap);
+ }
+}
+