Exclude syslog code if FEATURE_SYSLOG is not set

syslog.h and syslog(...) may not exist in such configuration

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

2 files changed, 16 insertions, 5 deletions

diff --git a/libbb/info_msg.c b/libbb/info_msg.c
index bc9d23b95..81164faa0 100644
--- a/libbb/info_msg.c
+++ b/libbb/info_msg.c
@@ -8,7 +8,9 @@
  */
 
 #include "libbb.h"
-#include <syslog.h>
+#if ENABLE_FEATURE_SYSLOG
+# include <syslog.h>
+#endif
 
 void FAST_FUNC bb_info_msg(const char *s, ...)
 {
@@ -24,8 +26,10 @@ void FAST_FUNC bb_info_msg(const char *s, ...)
                 vprintf(s, p);
                 fputs(msg_eol, stdout);
         }
-        if (ENABLE_FEATURE_SYSLOG && (logmode & LOGMODE_SYSLOG))
+# if ENABLE_FEATURE_SYSLOG
+        if (logmode & LOGMODE_SYSLOG)
                 vsyslog(LOG_INFO, s, p2);
+# endif
         va_end(p2);
         va_end(p);
 #else
@@ -42,8 +46,10 @@ void FAST_FUNC bb_info_msg(const char *s, ...)
         if (used < 0)
                 return;
 
-        if (ENABLE_FEATURE_SYSLOG && (logmode & LOGMODE_SYSLOG))
+# if ENABLE_FEATURE_SYSLOG
+        if (logmode & LOGMODE_SYSLOG)
                 syslog(LOG_INFO, "%s", msg);
+# endif
         if (logmode & LOGMODE_STDIO) {
                 fflush_all();
                 /* used = strlen(msg); - must be true already */
diff --git a/libbb/verror_msg.c b/libbb/verror_msg.c
index 70f792f39..613432906 100644
--- a/libbb/verror_msg.c
+++ b/libbb/verror_msg.c
@@ -6,9 +6,10 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
-
 #include "libbb.h"
-#include <syslog.h>
+#if ENABLE_FEATURE_SYSLOG
+# include <syslog.h>
+#endif
 
 smallint logmode = LOGMODE_STDIO;
 const char *msg_eol = "\n";
@@ -67,9 +68,11 @@ void FAST_FUNC bb_verror_msg(const char *s, va_list p, const char* strerr)
                 fflush_all();
                 full_write(STDERR_FILENO, msg, used);
         }
+#if ENABLE_FEATURE_SYSLOG
         if (logmode & LOGMODE_SYSLOG) {
                 syslog(LOG_ERR, "%s", msg + applet_len);
         }
+#endif
         free(msg);
 }
 
@@ -128,9 +131,11 @@ void FAST_FUNC bb_verror_msg(const char *s, va_list p, const char* strerr)
                 fflush_all();
                 writev(STDERR_FILENO, iov, 3);
         }
+# if ENABLE_FEATURE_SYSLOG
         if (logmode & LOGMODE_SYSLOG) {
                 syslog(LOG_ERR, "%s", msgc);
         }
+# endif
         free(msgc);
 }
 #endif