1
/* Copyright (C) 2000 MySQL AB
3
This program is free software; you can redistribute it and/or modify
4
it under the terms of the GNU General Public License as published by
5
the Free Software Foundation; version 2 of the License.
7
This program is distributed in the hope that it will be useful,
8
but WITHOUT ANY WARRANTY; without even the implied warranty of
9
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10
GNU General Public License for more details.
12
You should have received a copy of the GNU General Public License
13
along with this program; if not, write to the Free Software
14
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
16
/* my_setwd() and my_getwd() works with intern_filenames !! */
18
#include "mysys_priv.h"
20
#include "mysys_err.h"
22
#include <sys/param.h>
25
/* Gets current working directory in buff.
29
buf Buffer to store result. Can be curr_dir[].
34
Directory is allways ended with FN_LIBCHAR
41
int my_getwd(char * buf, size_t size, myf MyFlags)
44
DBUG_ENTER("my_getwd");
45
DBUG_PRINT("my",("buf: 0x%lx size: %u MyFlags %d",
46
(long) buf, (uint) size, MyFlags));
48
if (curr_dir[0]) /* Current pos is saved here */
49
VOID(strmake(buf,&curr_dir[0],size-1));
52
#if defined(HAVE_GETCWD)
53
if (!getcwd(buf,size-2) && MyFlags & MY_WME)
56
my_error(EE_GETWD,MYF(ME_BELL+ME_WAITTANG),errno);
59
#elif defined(HAVE_GETWD)
61
char pathname[MAXPATHLEN];
63
strmake(buf,pathname,size-1);
66
if (!getcwd(buf,size-2,1) && MyFlags & MY_WME)
69
my_error(EE_GETWD,MYF(ME_BELL+ME_WAITTANG),errno);
72
intern_filename(buf,buf);
74
#error "No way to get current directory"
76
if (*((pos=strend(buf))-1) != FN_LIBCHAR) /* End with FN_LIBCHAR */
81
(void) strmake(&curr_dir[0],buf, (size_t) (FN_REFLEN-1));
87
/* Set new working directory */
89
int my_setwd(const char *dir, myf MyFlags)
97
DBUG_ENTER("my_setwd");
98
DBUG_PRINT("my",("dir: '%s' MyFlags %d", dir, MyFlags));
101
if (! dir[0] || (dir[0] == FN_LIBCHAR && dir[1] == 0))
105
pos=strmov(buff,dir);
106
if (pos[-1] != FN_LIBCHAR)
108
pos[0]=FN_LIBCHAR; /* Mark as directory */
111
system_filename(buff,buff); /* Change to VMS format */
115
if ((res=chdir((char*) dir)) != 0)
118
if (MyFlags & MY_WME)
119
my_error(EE_SETWD,MYF(ME_BELL+ME_WAITTANG),start,errno);
123
if (test_if_hard_path(start))
124
{ /* Hard pathname */
125
pos= strmake(&curr_dir[0],start,(size_t) FN_REFLEN-1);
126
if (pos[-1] != FN_LIBCHAR)
128
length=(uint) (pos-(char*) curr_dir);
129
curr_dir[length]=FN_LIBCHAR; /* must end with '/' */
130
curr_dir[length+1]='\0';
134
curr_dir[0]='\0'; /* Don't save name */
141
/* Test if hard pathname */
142
/* Returns 1 if dirname is a hard path */
144
int test_if_hard_path(register const char *dir_name)
146
if (dir_name[0] == FN_HOMELIB && dir_name[1] == FN_LIBCHAR)
147
return (home_dir != NullS && test_if_hard_path(home_dir));
148
if (dir_name[0] == FN_LIBCHAR)
151
return (strchr(dir_name,FN_DEVCHAR) != 0);
155
} /* test_if_hard_path */
159
Test if a name contains an (absolute or relative) path.
163
name The name to test.
166
TRUE name contains a path.
167
FALSE name does not contain a path.
170
my_bool has_path(const char *name)
172
return test(strchr(name, FN_LIBCHAR))
173
#if FN_LIBCHAR != '/'
174
|| test(strchr(name,'/'))
177
|| test(strchr(name, FN_DEVCHAR))