Improve debug output.

[coloredstderr/coloredstderr.git] / src / coloredstderr.c

diff --git a/src/coloredstderr.c b/src/coloredstderr.c
index 9ade423a4ed99c78000ab2a22de623ab5476074b..63c4a61411b308855046b7c207e7173fda08da82 100644 (file)
--- a/src/coloredstderr.c
+++ b/src/coloredstderr.c
@@ -77,7 +77,7 @@ static int check_handle_fd(int fd) {
 
 static void dup_fd(int oldfd, int newfd) {
 #ifdef DEBUG
-    debug("%d -> %d\t\t\t[%d]\n", oldfd, newfd, getpid());
+    debug("%3d -> %3d\t\t\t[%d]\n", oldfd, newfd, getpid());
 #endif
 
     if (!initialized) {
@@ -105,7 +105,7 @@ static void dup_fd(int oldfd, int newfd) {
 
 static void close_fd(int fd) {
 #ifdef DEBUG
-    debug("%d -> .\t\t\t[%d]\n", fd, getpid());
+    debug("%3d ->   .\t\t\t[%d]\n", fd, getpid());
 #endif
 
     if (!initialized) {
@@ -330,6 +330,7 @@ int fclose(FILE *fp) {
 
 /* Hook functions which are necessary for correct tracking. */
 
+#if defined(HAVE_VFORK) && defined(HAVE_FORK)
 pid_t vfork(void) {
     /* vfork() is similar to fork() but the address space is shared between
      * father and child. It's designed for fork()/exec() usage because it's
@@ -344,3 +345,4 @@ pid_t vfork(void) {
      * most systems use copy-on-write anyway not a performance issue. */
     return fork();
 }
+#endif