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Remove ExpandDatabasePath(), which is unused and must have been so since

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7.1, because the path interpretation it embodies has been wrong since 7.1.
This commit is contained in:
Tom Lane 2004-01-22 20:57:39 +00:00
parent 58ae3cf12c
commit bfa5304262
2 changed files with 2 additions and 88 deletions
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87
src/backend/utils/misc/database.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/misc/database.c,v 1.59 2003/11/29 19:52:03 pgsql Exp $
* $PostgreSQL: pgsql/src/backend/utils/misc/database.c,v 1.60 2004/01/22 20:57:39 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -28,91 +28,6 @@
static bool PhonyHeapTupleSatisfiesNow(HeapTupleHeader tuple);
/*
* ExpandDatabasePath resolves a proposed database path (obtained from
* pg_database.datpath) to a full absolute path for further consumption.
* NULL means an error, which the caller should process. One reason for
* such an error would be an absolute alternative path when no absolute
* paths are allowed.
*/
char *
ExpandDatabasePath(const char *dbpath)
{
char buf[MAXPGPATH];
const char *cp;
int len;
AssertArg(dbpath);
Assert(DataDir);
if (strlen(dbpath) >= MAXPGPATH)
return NULL; /* ain't gonna fit nohow */
/* leading path delimiter? then already absolute path */
if (is_absolute_path(dbpath))
{
#ifdef ALLOW_ABSOLUTE_DBPATHS
cp = last_path_separator(dbpath);
len = cp - dbpath;
strncpy(buf, dbpath, len);
snprintf(&buf[len], MAXPGPATH - len, "/base/%s", (cp + 1));
#else
return NULL;
#endif
}
/* path delimiter somewhere? then has leading environment variable */
else if ((cp = first_path_separator(dbpath)) != NULL)
{
const char *envvar;
len = cp - dbpath;
strncpy(buf, dbpath, len);
buf[len] = '\0';
envvar = getenv(buf);
if (envvar == NULL)
return NULL;
snprintf(buf, sizeof(buf), "%s/base/%s", envvar, (cp + 1));
}
else
{
/* no path delimiter? then add the default path prefix */
snprintf(buf, sizeof(buf), "%s/base/%s", DataDir, dbpath);
}
/*
* check for illegal characters in dbpath these should really throw an
* error, shouldn't they? or else all callers need to test for NULL
*/
for (cp = buf; *cp; cp++)
{
/*
* The following characters will not be allowed anywhere in the
* database path. (Do not include the slash or '.' here.)
*/
char illegal_dbpath_chars[] =
"\001\002\003\004\005\006\007\010"
"\011\012\013\014\015\016\017\020"
"\021\022\023\024\025\026\027\030"
"\031\032\033\034\035\036\037"
"'`";
const char *cx;
for (cx = illegal_dbpath_chars; *cx; cx++)
if (*cp == *cx)
return NULL;
/* don't allow access to parent dirs */
if (strncmp(cp, "/../", 4) == 0)
return NULL;
}
return pstrdup(buf);
} /* ExpandDatabasePath() */
/* --------------------------------
* GetRawDatabaseInfo() -- Find the OID and path of the database.
*

3
src/include/miscadmin.h
View File

@ -12,7 +12,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.144 2004/01/09 23:29:31 momjian Exp $
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.145 2004/01/22 20:57:39 tgl Exp $
*
* NOTES
* some of the information in this file should be moved to
@ -231,7 +231,6 @@ extern char *DatabasePath;
/* in utils/misc/database.c */
extern void GetRawDatabaseInfo(const char *name, Oid *db_id, char *path);
extern char *ExpandDatabasePath(const char *path);
/* now in utils/init/miscinit.c */
extern void SetDatabasePath(const char *path);