X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/a616a7953d87c3c51afcc8e693c48c37ec000edf..487ad115de1c5a97ab4e61bbf3f3bbbdbd97b258:/sbr/seq_read.c

diff --git a/sbr/seq_read.c b/sbr/seq_read.c
index 08c67445..eea27512 100644
--- a/sbr/seq_read.c
+++ b/sbr/seq_read.c
@@ -15,7 +15,7 @@
  * static prototypes
  */
 static int seq_init (struct msgs *, char *, char *);
-static void seq_public (struct msgs *);
+static void seq_public (struct msgs *, int);
 static void seq_private (struct msgs *);
 
 
@@ -26,7 +26,7 @@ static void seq_private (struct msgs *);
  */
 
 void
-seq_read (struct msgs *mp)
+seq_read (struct msgs *mp, int lockflag)
 {
     /*
      * Initialize the list of sequence names.  Go ahead and
@@ -41,7 +41,7 @@ seq_read (struct msgs *mp)
 	return;
 
     /* Initialize the public sequences */
-    seq_public (mp);
+    seq_public (mp, lockflag);
 
     /* Initialize the private sequences */
     seq_private (mp);
@@ -53,12 +53,13 @@ seq_read (struct msgs *mp)
  */
 
 static void
-seq_public (struct msgs *mp)
+seq_public (struct msgs *mp, int lockflag)
 {
     int state;
     char *cp, seqfile[PATH_MAX];
     char name[NAMESZ], field[BUFSIZ];
     FILE *fp;
+    m_getfld_state_t gstate = 0;
 
     /*
      * If mh_seq == NULL (such as if nmh been compiled with
@@ -72,20 +73,20 @@ seq_public (struct msgs *mp)
     /* get filename of sequence file */
     snprintf (seqfile, sizeof(seqfile), "%s/%s", mp->foldpath, mh_seq);
 
-    if ((fp = lkfopen (seqfile, "r")) == NULL)
+    if ((fp = lkfopendata (seqfile, lockflag ? "r+" : "r")) == NULL)
 	return;
 
     /* Use m_getfld to scan sequence file */
-    for (state = FLD;;) {
+    for (;;) {
 	int fieldsz = sizeof field;
-	switch (state = m_getfld (state, name, field, &fieldsz, fp)) {
+	switch (state = m_getfld (&gstate, name, field, &fieldsz, fp)) {
 	    case FLD: 
 	    case FLDPLUS:
 		if (state == FLDPLUS) {
 		    cp = getcpy (field);
 		    while (state == FLDPLUS) {
 			fieldsz = sizeof field;
-			state = m_getfld (state, name, field, &fieldsz, fp);
+			state = m_getfld (&gstate, name, field, &fieldsz, fp);
 			cp = add (field, cp);
 		    }
 		    seq_init (mp, getcpy (name), trimcpy (cp));
@@ -95,7 +96,8 @@ seq_public (struct msgs *mp)
 		}
 		continue;
 
-	    case BODY: 
+	    case BODY:
+	    	lkfclosedata (fp, seqfile);
 		adios (NULL, "no blank lines are permitted in %s", seqfile);
 		/* fall */
 
@@ -103,12 +105,19 @@ seq_public (struct msgs *mp)
 		break;
 
 	    default: 
+	    	lkfclosedata (fp, seqfile);
 		adios (NULL, "%s is poorly formatted", seqfile);
 	}
 	break;	/* break from for loop */
     }
+    m_getfld_state_destroy (&gstate);
 
-    lkfclose (fp, seqfile);
+    if (lockflag) {
+	mp->seqhandle = fp;
+	mp->seqname = getcpy(seqfile);
+    } else {
+	lkfclosedata (fp, seqfile);
+    }
 }