X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=exec.c;h=38f445ee20b4151b38d4b4fa296f25d10103e2e2;hb=refs%2Fheads%2Fpu;hp=85dbaf9474aa286add74cd761f09d30dc74ad805;hpb=c75c35b176cdacf157d27617e954961c88f33975;p=paraslash.git

diff --git a/exec.c b/exec.c
index 85dbaf94..38f445ee 100644
--- a/exec.c
+++ b/exec.c
@@ -46,29 +46,26 @@ static int para_exec(pid_t *pid, const char *file, char *const *const args, int
 	}
 	*pid = ret;
 	if (!(*pid)) { /* child */
-		if (fds[0] >= 0) {
-			if (fds[0]) {
-				close(in[1]);
-				if (in[0] != STDIN_FILENO)
-					dup2(in[0], STDIN_FILENO);
-			} else
-				dup2(null, STDIN_FILENO);
+		if (fds[0] == 0)
+			dup2(null, STDIN_FILENO);
+		else if (fds[0] > 0) {
+			close(in[1]);
+			if (in[0] != STDIN_FILENO)
+				dup2(in[0], STDIN_FILENO);
 		}
-		if (fds[1] >= 0) {
-			if (fds[1]) {
-				close(out[0]);
-				if (out[1] != STDOUT_FILENO)
-					dup2(out[1], STDOUT_FILENO);
-			} else
-				dup2(null, STDOUT_FILENO);
+		if (fds[1] == 0)
+			dup2(null, STDOUT_FILENO);
+		else if (fds[1] > 0) {
+			close(out[0]);
+			if (out[1] != STDOUT_FILENO)
+				dup2(out[1], STDOUT_FILENO);
 		}
-		if (fds[2] >= 0) {
-			if (fds[2]) {
-				close(err[0]);
-				if (err[1] != STDERR_FILENO)
-					dup2(err[1], STDERR_FILENO);
-			} else
-				dup2(null, STDERR_FILENO);
+		if (fds[2] == 0)
+			dup2(null, STDERR_FILENO);
+		else if (fds[2] > 0) {
+			close(err[0]);
+			if (err[1] != STDERR_FILENO)
+				dup2(err[1], STDERR_FILENO);
 		}
 		if (null >= 0)
 			close(null);