3 * context_foil.c -- foil search of profile and context
7 * This code is Copyright (c) 2002, by the authors of nmh. See the
8 * COPYRIGHT file in the root directory of the nmh distribution for
9 * complete copyright information.
16 * Foil search of users .mh_profile
17 * If error, return -1, else return 0
21 context_foil (char *path)
23 register struct node *np;
25 /* In fact, nobody examines defpath in code paths where
26 * it's been set by us -- the uses in the source tree are:
27 * 1 sbr/context_read.c uses it only after setting it itself
28 * 2 uip/install_mh.c uses it only after setting it itself
29 * 3 uip/mshcmds.c and uip/mark.c print it if given the -debug switch
30 * A worthwhile piece of code cleanup would be to make 1 and
31 * 2 use a local variable and just delete 3.
33 * Similarly, context and ctxpath are not really used
34 * outside the context_* routines. It might be worth combining
35 * them into one file so the variables can be made static.
38 /* We set context to NULL to indicate that no context file
39 * is to be read. (Using /dev/null doesn't work because we
40 * would try to lock it, which causes timeouts with some
43 defpath = context = NULL;
46 * If path is given, create a minimal profile/context list
49 m_defs = (struct node *) mh_xmalloc (sizeof(*np));
52 if (!(np->n_name = strdup ("Path"))) {
53 advise (NULL, "strdup failed");
56 if (!(np->n_field = strdup (path))) {
57 advise (NULL, "strdup failed");
63 if (mypath == NULL && (mypath = getenv ("HOME")) != NULL)
64 if (!(mypath = strdup (mypath))) {
65 advise (NULL, "strdup failed");