get_file_info(): Flip logic throughout, reducing nesting.

[nmh] / uip / forwsbr.c

diff --git a/uip/forwsbr.c b/uip/forwsbr.c
index 97d1f3d328ddcba3c3aa0cf5cce4b4e221dabc24..775c8aeb1d9a0c8168e833e06662a552bdbef889 100644 (file)
--- a/uip/forwsbr.c
+++ b/uip/forwsbr.c
@@ -1,6 +1,4 @@
-
-/*
- * forwsbr.c -- subroutine to build a draft from a component file
+/* forwsbr.c -- subroutine to build a draft from a component file
  *
  * This code is Copyright (c) 2012, by the authors of nmh.  See the
  * COPYRIGHT file in the root directory of the nmh distribution for
@@ -12,14 +10,15 @@
 #include <h/fmt_scan.h>
 #include <h/tws.h>
 #include <h/utils.h>
+#include "sbr/m_mktemp.h"
 
 /*
  * Take from replsbr.c - a buffer big enough to read in data header lines
  * in reasonable chunks but not enough to slurp in the whole message
  */
 
-static char msgbuf[256];
-#define COMPFREE(c) if (c->c_text) free(c->c_text)
+static char msgbuf[NMH_BUFSIZ];
+#define COMPFREE(c) mh_xfree(c->c_text)
 
 /*
  * A list of components we treat as addresses
@@ -48,14 +47,14 @@ build_form (char *form, char *digest, int *dat, char *from, char *to,
     int        in;
     int fmtsize, state;
     int i;
-    register char *nfs;
+    char *nfs;
     char tmpfil[BUFSIZ], name[NAMESZ], **ap;
     charstring_t line;
     FILE *tmp;
-    register struct comp *cptr;
+    struct comp *cptr;
     struct format *fmt;
     char *cp = NULL;
-    m_getfld_state_t gstate = 0;
+    m_getfld_state_t gstate;
 
     /*
      * Open the message we'll be scanning for components
@@ -88,9 +87,10 @@ build_form (char *form, char *digest, int *dat, char *from, char *to,
      * these routines?
      */
 
+    gstate = m_getfld_state_init(tmp);
     for (;;) {
        int msg_count = sizeof msgbuf;
-       state = m_getfld (&gstate, name, msgbuf, &msg_count, tmp);
+       state = m_getfld2(&gstate, name, msgbuf, &msg_count);
        switch (state) {
            case FLD:
            case FLDPLUS:
@@ -104,13 +104,13 @@ build_form (char *form, char *digest, int *dat, char *from, char *to,
                if (i != -1) {
                    while (state == FLDPLUS) {
                        msg_count = sizeof msgbuf;
-                       state = m_getfld (&gstate, name, msgbuf, &msg_count, tmp);
+                       state = m_getfld2(&gstate, name, msgbuf, &msg_count);
                        fmt_appendcomp(i, name, msgbuf);
                    }
                }
                while (state == FLDPLUS) {
                    msg_count = sizeof msgbuf;
-                   state = m_getfld (&gstate, name, msgbuf, &msg_count, tmp);
+                   state = m_getfld2(&gstate, name, msgbuf, &msg_count);
                }
                break;
 
@@ -121,7 +121,7 @@ build_form (char *form, char *digest, int *dat, char *from, char *to,
                goto finished;
 
            default:
-               adios(NULL, "m_getfld() returned %d", state);
+               adios(NULL, "m_getfld2() returned %d", state);
        }
     }
 
@@ -190,7 +190,7 @@ finished:
     if (fclose (tmp))
        adios (tmpfil, "error writing");
 
-    lseek (in, (off_t) 0, SEEK_SET);
+    lseek(in, 0, SEEK_SET);
 
     /*
      * Free any component buffers that we allocated