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/*
\funcref{fun\_system}{void fun\_system ()}
{}
{}
{}
{fun\_exec()}
{funsyste.c}
{
This function expects a system string as last pushed {\em e\_str}
value. The string is executed through a {\em system()} call (if this
fails, an error is issued).
}
*/
#include "builtin.ih"
void fun_system ()
{
int mode = intValue(top()); /* get mode arg */
char const *cmd = stringStr(top() - 1); /* get cmd string */
if (echo) /* re-echo if requested */
puts (cmd);
fflush (stdout);
#ifdef MSDOS
_heapmin (); /* max memory under DOS */
#endif
{
int ret; /* system() return */
ret = system(cmd); /* do system call */
if (ret && P_CHECKMODE(mode)) /* terminate upon failure? */
error ("system - failure of system call (status %d)", ret);
reg = intConstructor_i(ret);
}
}
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