libimcv: Disable default syslog() logging if not supported

diff --git a/src/libimcv/imcv.c b/src/libimcv/imcv.c
index 86164486b490f3906f6205506c6cf15c97082d11..30679a33de245f01d673ddfec1062d6ebc0d4485 100644 (file)
--- a/src/libimcv/imcv.c
+++ b/src/libimcv/imcv.c
@@ -20,7 +20,9 @@
 #include <utils/utils.h>
 #include <pen/pen.h>
 
+#ifdef HAVE_SYSLOG
 #include <syslog.h>
+#endif
 
 #define IMCV_DEBUG_LEVEL                       1
 #define IMCV_DEFAULT_POLICY_SCRIPT     "ipsec _imv_policy"
@@ -62,9 +64,6 @@ static bool imcv_stderr_quiet;
  */
 static void imcv_dbg(debug_t group, level_t level, char *fmt, ...)
 {
-       int priority = LOG_INFO;
-       char buffer[8192];
-       char *current = buffer, *next;
        va_list args;
 
        if (level <= imcv_debug_level)
@@ -78,22 +77,30 @@ static void imcv_dbg(debug_t group, level_t level, char *fmt, ...)
                        va_end(args);
                }
 
-               /* write in memory buffer first */
-               va_start(args, fmt);
-               vsnprintf(buffer, sizeof(buffer), fmt, args);
-               va_end(args);
-
-               /* do a syslog with every line */
-               while (current)
+#ifdef HAVE_SYSLOG
                {
-                       next = strchr(current, '\n');
-                       if (next)
+                       int priority = LOG_INFO;
+                       char buffer[8192];
+                       char *current = buffer, *next;
+
+                       /* write in memory buffer first */
+                       va_start(args, fmt);
+                       vsnprintf(buffer, sizeof(buffer), fmt, args);
+                       va_end(args);
+
+                       /* do a syslog with every line */
+                       while (current)
                        {
-                               *(next++) = '\0';
+                               next = strchr(current, '\n');
+                               if (next)
+                               {
+                                       *(next++) = '\0';
+                               }
+                               syslog(priority, "[HSR] %s\n", current);
+                               current = next;
                        }
-                       syslog(priority, "[HSR] %s\n", current);
-                       current = next;
                }
+#endif /* HAVE_SYSLOG */
        }
 }
 
@@ -127,7 +134,9 @@ bool libimcv_init(bool is_imv)
 
                /* activate the imcv debugging hook */
                dbg = imcv_dbg;
+#ifdef HAVE_SYSLOG
                openlog("imcv", 0, LOG_DAEMON);
+#endif
 
                if (!lib->plugins->load(lib->plugins,
                                lib->settings->get_str(lib->settings, "libimcv.load",
@@ -197,4 +206,3 @@ void libimcv_deinit(void)
                library_deinit();
        }
 }
-