X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=pipex_posix.c;h=9df6f38336fdb35164d86d378f2003592e3e8510;hb=bb6c47f77f59067c358579a71cefa1ae65180a30;hp=5d2edfaba6bffe7f5bedb1ed23266a358239c893;hpb=e15efca6667b2673b4c1a5879a6917eab6800e58;p=polyglot.git

diff --git a/pipex_posix.c b/pipex_posix.c
index 5d2edfa..9df6f38 100644
--- a/pipex_posix.c
+++ b/pipex_posix.c
@@ -19,7 +19,10 @@ static void my_dup2(int old_fd, int new_fd) ;
 
 // pipex_open()
 
-void pipex_open(pipex_t *pipex, const char *name, const char *command){
+void pipex_open(pipex_t *pipex,
+                const char *name,
+                const char *working_dir,
+                const char *command){
     char string[StringSize];
     int argc;
     char * ptr;
@@ -93,13 +96,18 @@ void pipex_open(pipex_t *pipex, const char *name, const char *command){
             
            /* my_dup2(STDOUT_FILENO,STDERR_FILENO); */
             
-                // launch the new executable file
+            if(chdir(working_dir)){
+                my_fatal("pipex_open(): cannot change directory: %s\n",
+                         strerror(errno));
+            }
             
+            // launch the new executable file
+
             execvp(argv[0],&argv[0]);
             
                 // execvp() only returns when an error has occured
             
-            my_fatal("engine_open(): execvp(): %s\n",strerror(errno));
+            my_fatal("engine_open(): execvp(): %s: %s\n",command,strerror(errno));
             
         } else { // pid > 0
             
@@ -226,6 +234,13 @@ bool pipex_readln_nb(pipex_t *pipex, char *string){
     }
 }
 
+// pipex_write()
+
+void pipex_write(pipex_t *pipex, const char *string){
+       io_send_queue(pipex->io,"%s",string);
+}
+
+
 // pipex_writeln()
 
 void pipex_writeln(pipex_t *pipex, const char *string){