#include "hd.h"

/* Open a showfile */
/* Open with rwmode of "r" or "w" just like fopen */
/* Smode GREPMODE opens for grep;  Smode MAKEMODE opens for Make;  */

FILE *showopen (rwmode, smode) char *rwmode;  int smode; {

	extern char *envhome;
	char buf[STRMAX + 20];
	FILE *tfile;
	char *fname;

	fname = smode == GREPMODE ? GREPOUT : MAKERROR;
	tfile = fopen (fname, rwmode);
	if (tfile == NULL && smode == GREPMODE) {
		if (access (fname, 0) == 0) {
			myperror (fname);
			return NULL;
		}
		strcpy (buf, envhome);
		strcat (buf, "/");
		strcat (buf, fname);
		tfile = fopen (buf, rwmode);
	}
	if (tfile == NULL) {
		myperror (fname);
	}
	return tfile;
}