/*
- Copyright 2015 IoT.bzh
+ Copyright (C) 2016, 2017, 2018 "IoT.bzh"
author: José Bollo <jose.bollo@iot.bzh>
limitations under the License.
*/
+#include <stdio.h>
+#include <stdarg.h>
+
#include "verbose.h"
-#if !defined(NDEBUG)
int verbosity = 1;
+
+#define LEVEL(x) ((x) < 0 ? 0 : (x) > 7 ? 7 : (x))
+
+#if defined(VERBOSE_WITH_SYSLOG)
+
+#include <syslog.h>
+
+void vverbose(int level, const char *file, int line, const char *fmt, va_list args)
+{
+ char *p;
+
+ if (file == NULL || vasprintf(&p, fmt, args) < 0)
+ vsyslog(level, fmt, args);
+ else {
+ syslog(LEVEL(level), "%s [%s:%d]", p, file, line);
+ free(p);
+ }
+}
+
+void verbose_set_name(const char *name, int authority)
+{
+ closelog();
+ openlog(name, LOG_PERROR, authority ? LOG_AUTH : LOG_USER);
+}
+
#else
-void verbose_error(const char *file, int line)
+
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+
+static char *appname;
+
+static int appauthority;
+
+static const char *prefixes[] = {
+ "<0> EMERGENCY",
+ "<1> ALERT",
+ "<2> CRITICAL",
+ "<3> ERROR",
+ "<4> WARNING",
+ "<5> NOTICE",
+ "<6> INFO",
+ "<7> DEBUG"
+};
+
+void vverbose(int level, const char *file, int line, const char *fmt, va_list args)
{
- ERROR("error file %s line %d", file, line);
+ int saverr = errno;
+ int tty = isatty(fileno(stderr));
+ errno = saverr;
+
+ fprintf(stderr, "%s: ", prefixes[LEVEL(level)] + (tty ? 4 : 0));
+ vfprintf(stderr, fmt, args);
+ if (file != NULL && (!tty || verbosity >5))
+ fprintf(stderr, " [%s:%d]\n", file, line);
+ else
+ fprintf(stderr, "\n");
}
+
+void verbose_set_name(const char *name, int authority)
+{
+ free(appname);
+ appname = name ? strdup(name) : NULL;
+ appauthority = authority;
+}
+
#endif
+void verbose(int level, const char *file, int line, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ vverbose(level, file, line, fmt, ap);
+ va_end(ap);
+}
+