Ultrix-3.1/src/cmd/uucp/expfile.c

/**********************************************************************
 *   Copyright (c) Digital Equipment Corporation 1984, 1985, 1986.    *
 *   All Rights Reserved. 					      *
 *   Reference "/usr/src/COPYRIGHT" for applicable restrictions.      *
 **********************************************************************/

static char Sccsid[] = "@(#)expfile.c	3.0	4/22/86";

#include "uucp.h"
#include <sys/types.h>
#include <sys/stat.h>


/*
 * decvax!larry - changes since 4.2 BSD - isdir() does not
 *		     use subfile().  It expects fully expanded
 *		     path names.
 */


/*******
 *	expfile(file)	expand file name
 *	char *file;
 *
 *	return codes: 0 - Ordinary spool area file
 *		      1 - Other normal file
 *		      FAIL - no Wrkdir name available
 *
 *
 *
 */

expfile(file)
char *file;
{
	register char *fpart, *p;
	char user[20], *up;
	char full[100];
	int uid;

	switch(file[0]) {
	case '/':
		return(1);
	case '~':
		for (fpart = file + 1, up = user; *fpart != '\0'
			&& *fpart != '/'; fpart++)
				*up++ = *fpart;
		*up = '\0';
/* There should not be a null entry in /etc/passwd but just in case ... */
		if (gninfo(user, &uid, full) != 0 || user[0]=='\0') {
			strcpy(full, PUBDIR);
		}
	
		strcat(full, fpart);
		strcpy(file, full);
		return(1);
	default:
		p = index(file, '/');
		strcpy(full, Wrkdir);
		strcat(full, "/");
		strcat(full, file);
		strcpy(file, full);
		if (Wrkdir[0] == '\0')
			return(FAIL);
		else if (p != NULL)
			return(1);
		return(0);
	}
}


/***
 *	isdir(name)	check if directory name
 *	char *name;
 *
 *	return codes:  0 - not directory  |  1 - is directory
 */

isdir(name)
char *name;
{
	int ret;
	struct stat s;

	ret = stat(name, &s);
	if (ret < 0)
		return(0);
	if ((s.st_mode & S_IFMT) == S_IFDIR)
		return(1);
	return(0);
}


/***
 *	mkdirs(name)	make all necessary directories
 *	char *name;
 *
 *	return 0  |  FAIL
 */

mkdirs(name)
char *name;
{
	int ret, mask;
	char cmd[100], dir[100], *p;

	for (p = dir + 1;; p++) {
		strcpy(dir, name);
		if ((p = index(p, '/')) == NULL)
			return(0);
		*p = '\0';
		if (isdir(dir))
			continue;
		sprintf(cmd, "mkdir %s", dir);
		DEBUG(4, "mkdir - %s\n", dir);
		mask = umask(0);
		ret = shio(cmd, CNULL, CNULL, User, CNULL);
		umask(mask);
		if (ret != 0)
			return(FAIL);
	}
}

/***
 *	ckexpf - expfile and check return
 *		print error if it failed.
 *
 *	return code - 0 - ok; FAIL if expfile failed
 */

ckexpf(file)
char *file;
{

	if (expfile(file) != FAIL)
		return(0);

	/*  could not expand file name */
	/* the gwd routine failed */

	fprintf(stderr, "Can't expand filename (%s). Pwd failed.\n", file+1);
	return(FAIL);
}