File: [local] / src / usr.bin / mg / dir.c (download)
Revision 1.23, Thu May 30 04:17:25 2013 UTC (11 years ago) by lum
Branch: MAIN
CVS Tags: OPENBSD_5_4_BASE, OPENBSD_5_4 Changes since 1.22: +8 -1 lines
Reuse the makedir() function in dir.c for dired's
dired-create-directory command.
ok jasper@
|
/* $OpenBSD: dir.c,v 1.23 2013/05/30 04:17:25 lum Exp $ */
/* This file is in the public domain. */
/*
* Name: MG 2a
* Directory management functions
* Created: Ron Flax (ron@vsedev.vse.com)
* Modified for MG 2a by Mic Kaczmarczik 03-Aug-1987
*/
#include <sys/stat.h>
#include "def.h"
static char mgcwd[NFILEN];
/*
* Initialize anything the directory management routines need.
*/
void
dirinit(void)
{
mgcwd[0] = '\0';
if (getcwd(mgcwd, sizeof(mgcwd)) == NULL) {
ewprintf("Can't get current directory!");
chdir("/");
}
if (!(mgcwd[0] == '/' && mgcwd [1] == '\0'))
(void)strlcat(mgcwd, "/", sizeof(mgcwd));
}
/*
* Change current working directory.
*/
/* ARGSUSED */
int
changedir(int f, int n)
{
char bufc[NFILEN], *bufp;
(void)strlcpy(bufc, mgcwd, sizeof(bufc));
if ((bufp = eread("Change default directory: ", bufc, NFILEN,
EFDEF | EFNEW | EFCR | EFFILE)) == NULL)
return (ABORT);
else if (bufp[0] == '\0')
return (FALSE);
/* Append trailing slash */
if (chdir(bufc) == -1) {
ewprintf("Can't change dir to %s", bufc);
return (FALSE);
}
if ((bufp = getcwd(mgcwd, sizeof(mgcwd))) == NULL)
panic("Can't get current directory!");
if (mgcwd[strlen(mgcwd) - 1] != '/')
(void)strlcat(mgcwd, "/", sizeof(mgcwd));
ewprintf("Current directory is now %s", bufp);
return (TRUE);
}
/*
* Show current directory.
*/
/* ARGSUSED */
int
showcwdir(int f, int n)
{
ewprintf("Current directory: %s", mgcwd);
return (TRUE);
}
int
getcwdir(char *buf, size_t len)
{
if (strlcpy(buf, mgcwd, len) >= len)
return (FALSE);
return (TRUE);
}
/* Create the directory and it's parents. */
/* ARGSUSED */
int
makedir(int f, int n)
{
return (do_makedir());
}
int
do_makedir(void)
{
struct stat sb;
int finished, ishere;
mode_t dir_mode, mode, oumask;
char bufc[NFILEN];
char *slash, *path;
if (getbufcwd(bufc, sizeof(bufc)) != TRUE)
return (ABORT);
if ((path = eread("Make directory: ", bufc, NFILEN,
EFDEF | EFNEW | EFCR | EFFILE)) == NULL)
return (ABORT);
else if (path[0] == '\0')
return (FALSE);
if ((path = adjustname(path, TRUE)) == NULL)
return (FALSE);
slash = path;
oumask = umask(0);
mode = 0777 & ~oumask;
dir_mode = mode | S_IWUSR | S_IXUSR;
for (;;) {
slash += strspn(slash, "/");
slash += strcspn(slash, "/");
finished = (*slash == '\0');
*slash = '\0';
ishere = !stat(path, &sb);
if (finished && ishere) {
ewprintf("Cannot create directory %s: file exists",
path);
return(FALSE);
} else if (!finished && ishere && S_ISDIR(sb.st_mode)) {
*slash = '/';
continue;
}
if (mkdir(path, finished ? mode : dir_mode) == 0) {
if (mode > 0777 && chmod(path, mode) < 0) {
umask(oumask);
return (ABORT);
}
} else {
if (!ishere || !S_ISDIR(sb.st_mode)) {
if (!ishere)
ewprintf("Creating directory: "
"permission denied, %s", path);
else
eerase();
umask(oumask);
return (FALSE);
}
}
if (finished)
break;
*slash = '/';
}
eerase();
umask(oumask);
return (TRUE);
}