misc/vim: inform the user when no results are found

[nit.git] / c_src / exec_nit.c

diff --git a/c_src/exec_nit.c b/c_src/exec_nit.c
index f339d8a..317e909 100644 (file)
--- a/c_src/exec_nit.c
+++ b/c_src/exec_nit.c
@@ -4,7 +4,7 @@
  *
  * This file is free software, which comes along with NIT.  This software is
  * distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
- * without  even  the implied warranty of  MERCHANTABILITY or  FITNESS FOR A
+ * without  even  the implied warranty of  MERCHANTABILITY or  FITNESS FOR A 
  * PARTICULAR PURPOSE.  You can modify it is you want,  provided this header
  * is kept unaltered, and a notification of the changes is added.
  * You  are  allowed  to  redistribute it and sell it, alone or is a part of
@@ -14,19 +14,33 @@
 #include "exec_nit.h"
 #include <stdlib.h>
 #include <string.h>
+#include <errno.h>
+#include <stdio.h>
 
-se_exec_data_t* exec_Process_Process_basic_exec_execute_4(Process s, char *prog, char *args, int len, int pipeflag) {
+se_exec_data_t* exec_Process_Process_basic_exec_execute_4(void *s, char *prog, char *args, int len, int pipeflag) {
        se_exec_data_t* result = NULL;
        int id;
        int in_fd[2];
        int out_fd[2];
        int err_fd[2];
-       if (pipeflag & 1)
-               pipe(in_fd);
-       if (pipeflag & 2)
-               pipe(out_fd);
-       if (pipeflag & 4)
-               pipe(err_fd);
+       if (pipeflag & 1) {
+               int res = pipe(in_fd);
+               if ( res == -1 ) {
+                       return NULL;
+               }
+       }
+       if (pipeflag & 2) {
+               int res = pipe(out_fd);
+               if ( res == -1 ) {
+                       return NULL;
+               }
+       }
+       if (pipeflag & 4) {
+               int res = pipe(err_fd);
+               if ( res == -1 ) {
+                       return NULL;
+               }
+       }
                                        
        id = fork();
        if (id == 0)
@@ -68,7 +82,7 @@ se_exec_data_t* exec_Process_Process_basic_exec_execute_4(Process s, char *prog,
 
                /* calls */
                execvp(prog, arg);
-               abort();
+               _exit(127);
        }
        else if (id > 0)
                { /* father */
@@ -96,6 +110,7 @@ se_exec_data_t* exec_Process_Process_basic_exec_execute_4(Process s, char *prog,
                } else
                        result->err_fd = -1;
        }
+
        return result;
 }