X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/6c42153ad9362cc676ea66563bf400d7511b3b68..dc4d0c4bf247cfc88e1f3f9463fa2264d3d226b5:/sbr/seq_read.c diff --git a/sbr/seq_read.c b/sbr/seq_read.c index b1dc3a5a..9a4b9131 100644 --- a/sbr/seq_read.c +++ b/sbr/seq_read.c @@ -1,55 +1,54 @@ - -/* - * seq_read.c -- read the .mh_sequence file and +/* seq_read.c -- read the .mh_sequence file and * -- initialize sequence information * - * $Id$ - * * 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 +#include +#include "lock_file.h" /* * static prototypes */ static int seq_init (struct msgs *, char *, char *); -static void seq_public (struct msgs *); +static int seq_public (struct msgs *, int, int *); static void seq_private (struct msgs *); /* * Get the sequence information for this folder from - * .mh_sequence (or equivalent specified in .mh_profile) + * .mh_sequences (or equivalent specified in .mh_profile) * or context file (for private sequences). */ -void -seq_read (struct msgs *mp) +int +seq_read (struct msgs *mp, int lockflag) { - /* sanity check - check that context has been read */ - if (defpath == NULL) - adios (NULL, "oops, context hasn't been read yet"); + int failed_to_lock = 0; /* * Initialize the list of sequence names. Go ahead and * add the "cur" sequence to the list of sequences. */ - mp->msgattrs[0] = getcpy (current); - mp->msgattrs[1] = NULL; + svector_push_back (mp->msgattrs, getcpy (current)); make_all_public (mp); /* initially, make all public */ /* If folder is empty, don't scan for sequence information */ if (mp->nummsg == 0) - return; + return OK; /* Initialize the public sequences */ - seq_public (mp); + if (seq_public (mp, lockflag, &failed_to_lock) == NOTOK) { + if (failed_to_lock) return NOTOK; + } /* Initialize the private sequences */ seq_private (mp); + + return OK; } @@ -57,65 +56,75 @@ seq_read (struct msgs *mp) * read folder's sequences file for public sequences */ -static void -seq_public (struct msgs *mp) +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; /* - * 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 = fopen (seqfile, "r")) == NULL) - return; + if ((fp = lkfopendata (seqfile, lockflag ? "r+" : "r", failed_to_lock)) + == NULL) + return NOTOK; - /* Use m_getfld to scan sequence file */ - for (state = FLD;;) { - switch (state = m_getfld (state, name, field, sizeof(field), fp)) { + /* Use m_getfld2 to scan sequence file */ + gstate = m_getfld_state_init(fp); + for (;;) { + int fieldsz = sizeof field; + switch (state = m_getfld2(&gstate, name, field, &fieldsz)) { case FLD: case FLDPLUS: - case FLDEOF: if (state == FLDPLUS) { - cp = getcpy (field); + cp = mh_xstrdup(field); while (state == FLDPLUS) { - state = m_getfld (state, name, field, sizeof(field), fp); + fieldsz = sizeof field; + 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)); } - if (state == FLDEOF) - break; continue; - case BODY: - case BODYEOF: - adios (NULL, "no blank lines are permitted in %s", seqfile); - /* fall */ + case BODY: + lkfclosedata (fp, seqfile); + die("no blank lines are permitted in %s", seqfile); + break; case FILEEOF: break; default: - adios (NULL, "%s is poorly formatted", seqfile); + lkfclosedata (fp, seqfile); + die("%s is poorly formatted", seqfile); } break; /* break from for loop */ } + m_getfld_state_destroy (&gstate); + + if (lockflag) { + mp->seqhandle = fp; + mp->seqname = mh_xstrdup(seqfile); + } else { + lkfclosedata (fp, seqfile); + } - fclose (fp); + return OK; } @@ -133,7 +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) { @@ -141,7 +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); @@ -163,7 +172,8 @@ seq_private (struct msgs *mp) static int seq_init (struct msgs *mp, char *name, char *field) { - int i, j, k, is_current; + unsigned int i; + int j, k, is_current; char *cp, **ap; /* @@ -176,32 +186,24 @@ 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; mp->msgattrs[i]; i++) { - if (!strcmp (mp->msgattrs[i], name)) { + for (i = 0; i < svector_size (mp->msgattrs); i++) { + if (!strcmp (svector_at (mp->msgattrs, i), name)) { for (j = mp->lowmsg; j <= mp->hghmsg; j++) clear_sequence (mp, i, j); break; } } - /* Return error, if too many sequences */ - if (i >= NUMATTRS) { - free (name); - free (field); - return -1; - } - /* * If we've already seen this sequence name, just free the * name string. Else add it to the list of sequence names. */ - if (mp->msgattrs[i]) { + if (svector_at (mp->msgattrs, i)) { free (name); } else { - mp->msgattrs[i] = name; - mp->msgattrs[i + 1] = NULL; + svector_push_back (mp->msgattrs, name); } /*