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/* SVGATextMode -- An SVGA textmode manipulation/enhancement tool
*
* Copyright (C) 1995-1998 Koen Gadeyne
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/***
*** run_extprog.c: function to call on external program.
***/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "misc.h"
#include "run_extprog.h"
#include "messages.h"
int Run_extern_Prog(char *commandline)
{
int result=0;
#ifndef RUN_SECURE
uid_t id = getuid();
(void)setuid(0);
#endif
PDEBUG(("Executing external command `%s'\n", commandline));
result=system(commandline);
if (result !=0)
{
perror(commandline);
PERROR(("'%s' failed with error code %d\n", commandline, result));
}
#ifndef RUN_SECURE
setuid(id);
#endif
return(result);
}
#define FB_FRAGSIZE 1024
static char *extout;
int Run_extern_Prog_pipe(char *commandline)
/* can't use PDEBUG etc. here, because S3 HS text mode would cause garbled output */
{
int num=0;
char *extprog;
FILE *fp_extout;
extprog = strcat(commandline, " 2>&1");
fp_extout=popen(extprog,"r");
if (fp_extout==NULL)
{
perror(commandline);
return(-1);
}
/* save pipe output to buffer */
extout = (char *)malloc(FB_FRAGSIZE);
while ( (extout[num++]=fgetc(fp_extout))!=EOF )
{
if ( (num % FB_FRAGSIZE) == FB_FRAGSIZE-1)
{
extout=realloc((void *)extout, num+1+FB_FRAGSIZE);
}
}
extout[--num]='\0';
pclose(fp_extout);
return(0);
}
inline void show_extout()
{
printf("%s", extout);
}
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