1 files changed, 143 insertions, 0 deletions
diff --git a/djgpp/runcmd.c b/djgpp/runcmd.c
new file mode 100644
index 0000000..2148806
--- /dev/null
+++ b/djgpp/runcmd.c
@@ -0,0 +1,143 @@
+/*
+
+    viDOOM - level editor for DOOM
+
+    Copyright (C) 2000  Ian Cowburn (ianc@noddybox.demon.co.uk)
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program 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 PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+    -------------------------------------------------------------------------
+
+    Command execution interface
+
+*/
+static const char rcs_id[]="$Id$";
+
+#include "config.h"
+#include "mem.h"
+
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <process.h>
+
+#define MAX_ARGS	128
+
+static void CopyArgs(char *argv[],char *new[])
+{
+    char *na;
+    char *p;
+    int len;
+    int f;
+
+    len=0;
+    f=0;
+    while(argv[f])
+    	len+=strlen(argv[f++])+1;
+
+    len++;
+
+    na=Grab(len);
+
+    f=0;
+    while(argv[f])
+	{
+    	strcat(na,argv[f++]);
+	strcat(na," ");
+	}
+
+    f=0;
+    p=strtok(na," \t");
+
+    while((f<MAX_ARGS-1)&&(p))
+    	{
+	new[f++]=Strdup(p);
+	p=strtok(NULL," \t");
+	}
+
+    new[f]=NULL;
+
+    Release(na);
+}
+
+
+static void Write(int fd, char *p)
+{
+    write(fd,p,strlen(p));
+}
+
+
+int RunCommand(char *argv[], char *path)
+{
+    static int old_stdout=-1;
+    static int old_stderr=-1;
+    int ret;
+    int f;
+    int fd;
+    char *new[MAX_ARGS];
+
+    if (old_stdout==-1)
+	if ((old_stdout=dup(STDOUT_FILENO))==-1)
+	    return(FALSE);
+
+    if (old_stderr==-1)
+	if ((old_stderr=dup(STDERR_FILENO))==-1)
+	    return(FALSE);
+
+    tmpnam(path);
+
+    if ((fd=open(path,O_WRONLY|O_CREAT|O_TRUNC,0666))==-1)
+	return(FALSE);
+
+    CopyArgs(argv,new);
+
+    if (!new[0])
+	{
+	close(fd);
+    	return(FALSE);
+	}
+
+    dup2(fd,STDOUT_FILENO);
+    dup2(fd,STDERR_FILENO);
+
+    ret=spawnvp(P_WAIT,new[0],new);
+
+    f=0;
+    while(new[f])
+    	Release(new[f++]);
+
+    if (ret==-1)
+	{
+	Write(fd,"Exec failed:\n");
+	Write(fd,sys_errlist[errno]);
+	Write(fd,"\n");
+	}
+
+    dup2(old_stdout,STDOUT_FILENO);
+    dup2(old_stderr,STDERR_FILENO);
+    close(fd);
+
+    if (ret==-1)
+	return(FALSE);
+
+    /* Assume that non-zero is error
+    */
+    return(ret==0);
+}
+
+
+/* END OF FILE */