mime_type.c: Fix regexp in comment that describes following code.

[nmh] / sbr / seq_read.c

diff --git a/sbr/seq_read.c b/sbr/seq_read.c
index 4b9e815dd001fb3a8eb29f980e0c797b112239bc..39192605ffd3544b846e1388f2c0cfd6a1e7cdd7 100644 (file)
--- a/sbr/seq_read.c
+++ b/sbr/seq_read.c
@@ -1,6 +1,4 @@
-
-/*
- * seq_read.c -- read the .mh_sequence file and
+/* seq_read.c -- read the .mh_sequence file and
  *            -- initialize sequence information
  *
  * This code is Copyright (c) 2002, by the authors of nmh.  See the
@@ -10,12 +8,13 @@
 
 #include <h/mh.h>
 #include <h/utils.h>
+#include "lock_file.h"
 
 /*
  * static prototypes
  */
 static int seq_init (struct msgs *, char *, char *);
-static void seq_public (struct msgs *, int);
+static int seq_public (struct msgs *, int, int *);
 static void seq_private (struct msgs *);
 
 
@@ -25,9 +24,11 @@ static void seq_private (struct msgs *);
  * or context file (for private sequences).
  */
 
-void
+int
 seq_read (struct msgs *mp, int lockflag)
 {
+    int failed_to_lock = 0;
+
     /*
      * Initialize the list of sequence names.  Go ahead and
      * add the "cur" sequence to the list of sequences.
@@ -37,13 +38,17 @@ seq_read (struct msgs *mp, int lockflag)
 
     /* If folder is empty, don't scan for sequence information */
     if (mp->nummsg == 0)
-       return;
+       return OK;
 
     /* Initialize the public sequences */
-    seq_public (mp, lockflag);
+    if (seq_public (mp, lockflag, &failed_to_lock) == NOTOK) {
+       if (failed_to_lock) return NOTOK;
+    }
 
     /* Initialize the private sequences */
     seq_private (mp);
+
+    return OK;
 }
 
 
@@ -51,54 +56,55 @@ seq_read (struct msgs *mp, int lockflag)
  * read folder's sequences file for public sequences
  */
 
-static void
-seq_public (struct msgs *mp, int lockflag)
+static int
+seq_public (struct msgs *mp, int lockflag, int *failed_to_lock)
 {
     int state;
     char *cp, seqfile[PATH_MAX];
-    char name[NAMESZ], field[BUFSIZ];
+    char name[NAMESZ], field[NMH_BUFSIZ];
     FILE *fp;
-    m_getfld_state_t gstate = 0;
+    m_getfld_state_t gstate;
 
     /*
-     * If mh_seq == NULL (such as if nmh been compiled with
-     * NOPUBLICSEQ), or if *mh_seq == '\0' (the user has defined
+     * If mh_seq == NULL or if *mh_seq == '\0' (the user has defined
      * the "mh-sequences" profile entry, but left it empty),
      * then just return, and do not initialize any public sequences.
      */
     if (mh_seq == NULL || *mh_seq == '\0')
-       return;
+       return OK;
 
     /* get filename of sequence file */
     snprintf (seqfile, sizeof(seqfile), "%s/%s", mp->foldpath, mh_seq);
 
-    if ((fp = lkfopendata (seqfile, lockflag ? "r+" : "r")) == NULL)
-       return;
+    if ((fp = lkfopendata (seqfile, lockflag ? "r+" : "r", failed_to_lock))
+       == NULL)
+       return NOTOK;
 
-    /* Use m_getfld to scan sequence file */
+    /* Use m_getfld2 to scan sequence file */
+    gstate = m_getfld_state_init(fp);
     for (;;) {
        int fieldsz = sizeof field;
-       switch (state = m_getfld (&gstate, name, field, &fieldsz, fp)) {
+       switch (state = m_getfld2(&gstate, name, field, &fieldsz)) {
            case FLD: 
            case FLDPLUS:
                if (state == FLDPLUS) {
-                   cp = getcpy (field);
+                   cp = mh_xstrdup(field);
                    while (state == FLDPLUS) {
                        fieldsz = sizeof field;
-                       state = m_getfld (&gstate, name, field, &fieldsz, fp);
+                       state = m_getfld2(&gstate, name, field, &fieldsz);
                        cp = add (field, cp);
                    }
-                   seq_init (mp, getcpy (name), trimcpy (cp));
+                   seq_init (mp, mh_xstrdup(name), trimcpy (cp));
                    free (cp);
                } else {
-                   seq_init (mp, getcpy (name), trimcpy (field));
+                   seq_init (mp, mh_xstrdup(name), trimcpy (field));
                }
                continue;
 
            case BODY:
                lkfclosedata (fp, seqfile);
                adios (NULL, "no blank lines are permitted in %s", seqfile);
-               /* fall */
+               break;
 
            case FILEEOF:
                break;
@@ -113,10 +119,12 @@ seq_public (struct msgs *mp, int lockflag)
 
     if (lockflag) {
        mp->seqhandle = fp;
-       mp->seqname = getcpy(seqfile);
+       mp->seqname = mh_xstrdup(seqfile);
     } else {
        lkfclosedata (fp, seqfile);
     }
+
+    return OK;
 }
 
 
@@ -134,7 +142,7 @@ seq_private (struct msgs *mp)
     char *cp;
     struct node *np;
 
-    alen = strlen ("atr-");
+    alen = LEN("atr-");
     plen = strlen (mp->foldpath) + 1;
 
     for (np = m_defs; np; np = np->n_next) {
@@ -142,7 +150,7 @@ seq_private (struct msgs *mp)
                && (j = strlen (np->n_name) - plen) > alen
                && *(np->n_name + j) == '-'
                && strcmp (mp->foldpath, np->n_name + j + 1) == 0) {
-           cp = getcpy (np->n_name + alen);
+           cp = mh_xstrdup(np->n_name + alen);
            *(cp + j - alen) = '\0';
            if ((i = seq_init (mp, cp, getcpy (np->n_field))) != -1)
                make_seq_private (mp, i);
@@ -178,7 +186,7 @@ seq_init (struct msgs *mp, char *name, char *field)
      * Search for this sequence name to see if we've seen
      * it already.  If we've seen this sequence before,
      * then clear the bit for this sequence from all the
-     * mesages in this folder.
+     * messages in this folder.
      */
     for (i = 0; i < svector_size (mp->msgattrs); i++) {
        if (!strcmp (svector_at (mp->msgattrs, i), name)) {