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/*
* context_foil.c -- foil search of profile and context
*
* $Id: context_foil.c,v 1.4 2006/01/02 03:17:42 bress Exp $
*
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
* complete copyright information.
*/
#include <h/mh.h>
#include <h/utils.h>
/*
* Foil search of users .mh_profile
* If error, return -1, else return 0
*/
int
context_foil (char *path)
{
register struct node *np;
/* In fact, nobody examines defpath in code paths where
* it's been set by us -- the uses in the source tree are:
* 1 sbr/context_read.c uses it only after setting it itself
* 2 uip/install_mh.c uses it only after setting it itself
* 3 uip/mshcmds.c and uip/mark.c print it if given the -debug switch
* A worthwhile piece of code cleanup would be to make 1 and
* 2 use a local variable and just delete 3.
*
* Similarly, context and ctxpath are not really used
* outside the context_* routines. It might be worth combining
* them into one file so the variables can be made static.
*/
/* We set context to NULL to indicate that no context file
* is to be read. (Using /dev/null doesn't work because we
* would try to lock it, which causes timeouts with some
* locking methods.)
*/
defpath = context = NULL;
/*
* If path is given, create a minimal profile/context list
*/
if (path) {
m_defs = (struct node *) mh_xmalloc (sizeof(*np));
np = m_defs;
if (!(np->n_name = strdup ("Path"))) {
advise (NULL, "strdup failed");
return -1;
}
if (!(np->n_field = strdup (path))) {
advise (NULL, "strdup failed");
return -1;
}
np->n_context = 0;
np->n_next = NULL;
if (mypath == NULL && (mypath = getenv ("HOME")) != NULL)
if (!(mypath = strdup (mypath))) {
advise (NULL, "strdup failed");
return -1;
}
}
return 0;
}
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