| 1 | |
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| 2 | /* |
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| 3 | * context_replace.c -- add/replace an entry in the context/profile list |
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| 4 | * |
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| 5 | * $Id: context_replace.c,v 1.1.1.1 1999-02-07 18:14:07 danw Exp $ |
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| 6 | */ |
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| 7 | |
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| 8 | #include <h/mh.h> |
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| 9 | |
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| 10 | |
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| 11 | void |
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| 12 | context_replace (char *key, char *value) |
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| 13 | { |
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| 14 | register struct node *np; |
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| 15 | |
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| 16 | /* sanity check - check that context has been read */ |
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| 17 | if (defpath == NULL) |
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| 18 | adios (NULL, "oops, context hasn't been read yet"); |
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| 19 | |
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| 20 | /* |
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| 21 | * If list is emtpy, allocate head of profile/context list. |
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| 22 | */ |
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| 23 | if (!m_defs) { |
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| 24 | if (!(m_defs = (struct node *) malloc (sizeof(*np)))) |
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| 25 | adios (NULL, "unable to allocate profile storage"); |
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| 26 | |
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| 27 | np = m_defs; |
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| 28 | np->n_name = getcpy (key); |
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| 29 | np->n_field = getcpy (value); |
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| 30 | np->n_context = 1; |
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| 31 | np->n_next = NULL; |
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| 32 | ctxflags |= CTXMOD; |
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| 33 | return; |
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| 34 | } |
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| 35 | |
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| 36 | /* |
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| 37 | * Search list of context/profile entries for |
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| 38 | * this key, and replace its value if found. |
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| 39 | */ |
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| 40 | for (np = m_defs;; np = np->n_next) { |
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| 41 | if (!strcasecmp (np->n_name, key)) { |
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| 42 | if (strcmp (value, np->n_field)) { |
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| 43 | if (!np->n_context) |
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| 44 | admonish (NULL, "bug: context_replace(key=\"%s\",value=\"%s\")", key, value); |
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| 45 | if (np->n_field) |
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| 46 | free (np->n_field); |
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| 47 | np->n_field = getcpy (value); |
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| 48 | ctxflags |= CTXMOD; |
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| 49 | } |
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| 50 | return; |
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| 51 | } |
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| 52 | if (!np->n_next) |
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| 53 | break; |
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| 54 | } |
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| 55 | |
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| 56 | /* |
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| 57 | * Else add this new entry at the end |
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| 58 | */ |
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| 59 | np->n_next = (struct node *) malloc (sizeof(*np)); |
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| 60 | if (!np->n_next) |
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| 61 | adios (NULL, "unable to allocate profile storage"); |
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| 62 | |
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| 63 | np = np->n_next; |
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| 64 | np->n_name = getcpy (key); |
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| 65 | np->n_field = getcpy (value); |
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| 66 | np->n_context = 1; |
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| 67 | np->n_next = NULL; |
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| 68 | ctxflags |= CTXMOD; |
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| 69 | } |
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