/*----------------------------------------------------------------------+*/
int exec_proc_channel_object (SPC_Channel_Ptr channel)
/*----------------------------------------------------------------------+*/
{
XeString *tmp_argv;
int iomode=channel->IOMode;
/* If there is no argv specified, fix it up to be the convention
(argv[0] = file pathname) */
if (channel->argv == NULL) {
tmp_argv=Alloc_Argv(2);
if(tmp_argv==SPC_ERROR)
return(SPC_ERROR);
tmp_argv[0]=SPC_copy_string(channel->path);
tmp_argv[1]=NULL;
channel->argv = tmp_argv;
channel->IOMode |= SPCIO_DEALLOC_ARGV;
}
if(IS_SPCIO_WAIT(channel->IOMode))
XeSPCRegisterTerminator(channel, NULL, NULL);
return(TRUE);
}
/*----------------------------------------------------------------------+*/
SPC_MakeSystemCommand(SPC_Channel_Ptr channel)
/*----------------------------------------------------------------------+*/
{
XeString shell;
XeString *argv;
XeString *tmp_argv;
XeChar newargtwo[_POSIX_ARG_MAX];
int argtwolen=0, tmplen=0;
/* Allocate our memory up front */
argv=Alloc_Argv(4);
newargtwo[argtwolen]=0;
/* copy path into newargtwo */
strncat(newargtwo, channel->path, _POSIX_ARG_MAX-1);
strcat(newargtwo, (XeString)" ");
argtwolen=strlen(newargtwo);
/* copy argv into newargtwo */
for(tmp_argv=channel->argv; tmp_argv && *tmp_argv; tmp_argv++) {
tmplen=strlen(*tmp_argv)+1; /* Room for extra space */
if((tmplen+argtwolen)<_POSIX_ARG_MAX-1) {
strcat(newargtwo, *tmp_argv);
strcat(newargtwo, (XeString)" ");
argtwolen += tmplen;
} else {
XeChar *errbuf;
errbuf = malloc(sizeof(XeChar) * 100);
if (errbuf)
{
SPC_Free_Envp(argv);
sprintf(errbuf,"(%d chars), max. length is %d",tmplen,_POSIX_ARG_MAX);
SPC_Error(SPC_Arg_Too_Long, tmp_argv, _POSIX_ARG_MAX);
free(errbuf);
}
return(SPC_ERROR);
}
}
/* get a shell --
First use the value of $SB_SHELL (if any),
then try $SHELL,
then use DEFAULT_SHELL
*/
if(!(shell=getenv((XeString)"SB_SHELL")))
if(!(shell=getenv((XeString)"SHELL")))
shell = DEFAULT_SHELL;
/* setup argv properly */
argv[0]=SPC_copy_string(shell);
argv[1]=SPC_copy_string((XeString)"-c");
argv[2]=SPC_copy_string(newargtwo);
argv[3]=NULL;
channel->argv = argv;
channel->IOMode |= SPCIO_DEALLOC_ARGV;
/* Now set this shell as the path */
channel->path = shell;
return(TRUE);
}
