X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/b5f46f4ba364af010a7ef5afb20b667fcbe9b136..683e0fb1a14da5b9ce7bc5db6e76951d14d79348:/uip/mhparse.c

diff --git a/uip/mhparse.c b/uip/mhparse.c
index 8cfa8998..f5a5983a 100644
--- a/uip/mhparse.c
+++ b/uip/mhparse.c
@@ -262,6 +262,7 @@ get_content (FILE *in, char *file, int toplevel)
     char *np, *vp;
     CT ct;
     HF hp;
+    long filepos;
 
     /* allocate the content structure */
     if (!(ct = (CT) calloc (1, sizeof(*ct))))
@@ -269,18 +270,20 @@ get_content (FILE *in, char *file, int toplevel)
 
     ct->c_fp = in;
     ct->c_file = add (file, NULL);
-    ct->c_begin = ftell (ct->c_fp) + 1;
+    ct->c_begin = (filepos = ftell (ct->c_fp)) + 1;
 
     /*
      * Parse the header fields for this
      * content into a linked list.
      */
     for (compnum = 1, state = FLD;;) {
-	switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
+	int bufsz = sizeof buf;
+	switch (state = m_getfld (state, name, buf, &bufsz, in)) {
 	case FLD:
 	case FLDPLUS:
 	case FLDEOF:
 	    compnum++;
+	    filepos += bufsz;
 
 	    /* get copies of the buffers */
 	    np = add (name, NULL);
@@ -288,7 +291,8 @@ get_content (FILE *in, char *file, int toplevel)
 
 	    /* if necessary, get rest of field */
 	    while (state == FLDPLUS) {
-		state = m_getfld (state, name, buf, sizeof(buf), in);
+		bufsz = sizeof buf;
+		state = m_getfld (state, name, buf, &bufsz, in);
 		vp = add (buf, vp);	/* add to previous value */
 	    }
 
@@ -297,18 +301,20 @@ get_content (FILE *in, char *file, int toplevel)
 
 	    /* continue, if this isn't the last header field */
 	    if (state != FLDEOF) {
-		ct->c_begin = ftell (in) + 1;
+		ct->c_begin = filepos + 1;
 		continue;
 	    }
 	    /* else fall... */
 
 	case BODY:
 	case BODYEOF:
-	    ct->c_begin = ftell (in) - strlen (buf);
+	    filepos += bufsz;
+	    ct->c_begin = filepos - strlen (buf);
 	    break;
 
 	case FILEEOF:
-	    ct->c_begin = ftell (in);
+	    filepos += bufsz;
+	    ct->c_begin = filepos;
 	    break;
 
 	case LENERR: