log format const char *

Signed-off-by: Toni Uhlig <matzeton@googlemail.com>

2 files changed, 3 insertions, 2 deletions

diff --git a/src/log.c b/src/log.c
index cd8fc7c..9cb6643 100644
--- a/src/log.c
+++ b/src/log.c
@@ -1,5 +1,6 @@
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 #include <errno.h>
 #include <stdarg.h>
 #include <syslog.h>
@@ -32,7 +33,7 @@ void log_free(void)
   }
 }
 
-int logs(char* format, ...)
+int logs(const char* format, ...)
 {
   int ret;
   va_list vargs;
diff --git a/src/log.h b/src/log.h
index 113141b..907440a 100644
--- a/src/log.h
+++ b/src/log.h
@@ -11,6 +11,6 @@ int log_init(char* file);
 
 void log_free(void);
 
-int logs(char* format, ...);
+int logs(const char* format, ...);
 
 #endif