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/*-------------------------------------------------------------------------
*
* filename.c
*
*
* Copyright (c) 1994, Regents of the University of California
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/filename.c,v 1.17.2.1 1999/08/02 05:24:52 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
#include <pwd.h>
#include <sys/param.h>
#include "postgres.h"
#include "miscadmin.h"
#include "utils/builtins.h"
char *
filename_in(char *file)
{
char *str;
int ind = 0;
/*
* XXX - HACK CITY --- REDO should let the shell do expansions
* (shexpand)
*/
str = (char *) palloc(MAXPATHLEN * sizeof(*str));
str[0] = '\0';
if (file[0] == '~')
{
if (file[1] == '\0' || file[1] == '/')
{
/* Home directory */
char *userName;
struct passwd *pw;
userName = GetPgUserName();
if ((pw = getpwnam(userName)) == NULL)
{
elog(ERROR, "User %s is not a Unix user on the db server.",
userName);
}
strcpy(str, pw->pw_dir);
ind = 1;
}
else
{
/* Someone else's directory */
char name[17],
*p;
struct passwd *pw;
int len;
if ((p = (char *) strchr(file, '/')) == NULL)
{
strcpy(name, file + 1);
len = strlen(name);
}
else
{
len = (p - file) - 1;
StrNCpy(name, file + 1, len + 1);
}
/* printf("name: %s\n"); */
if ((pw = getpwnam(name)) == NULL)
{
elog(ERROR, "No such user: %s\n", name);
ind = 0;
}
else
{
strcpy(str, pw->pw_dir);
ind = len + 1;
}
}
}
else if (file[0] == '$')
{ /* $POSTGRESHOME, etc. expand it. */
char environment[80],
*envirp,
*p;
int len;
if ((p = (char *) strchr(file, '/')) == NULL)
{
strcpy(environment, file + 1);
len = strlen(environment);
}
else
{
len = (p - file) - 1;
StrNCpy(environment, file + 1, len + 1);
}
envirp = getenv(environment);
if (envirp)
{
strcpy(str, envirp);
ind = len + 1;
}
else
elog(ERROR, "Couldn't find %s in your environment", environment);
}
else
ind = 0;
strcat(str, file + ind);
return str;
}
char *
filename_out(char *s)
{
char *ret;
if (!s)
return (char *) NULL;
ret = (char *) palloc(strlen(s) + 1);
if (!ret)
elog(ERROR, "filename_out: palloc failed");
return strcpy(ret, s);
}
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