pending-release-notes: add mhshow's "-prefer", and mh-format's %(kibi/kilo)

[nmh] / uip / scansbr.c

diff --git a/uip/scansbr.c b/uip/scansbr.c
index 60acec90ab03dba38623041db7f51d9b982c8f07..7391a3bd1403819095ea2530d166316e0313d9f6 100644 (file)
--- a/uip/scansbr.c
+++ b/uip/scansbr.c
@@ -14,8 +14,6 @@
 #include <h/tws.h>
 #include <h/utils.h>
 
-#define MAXSCANL 256           /* longest possible scan line */
-
 /*
  * Buffer size for content part of header fields.  We want this
  * to be large enough so that we don't do a lot of extra FLDPLUS
@@ -68,14 +66,16 @@ scan (FILE *inb, int innum, int outnum, char *nfs, int width, int curflg,
        way the code is now, with callers initializing *scanl to NULL.
        scanl used to be a global. */
     if (! *scanl) {
-       if (width == 0) {
+       if (width == -1) {
+           /* Default:  width of the terminal, but at least WIDTH/2. */
            if ((width = sc_width ()) < WIDTH/2)
                width = WIDTH/2;
-           else if (width > MAXSCANL)
-               width = MAXSCANL;
+       } else if (width == 0) {
+           /* Unlimited width. */
+           width = INT_MAX;
        }
        dat[3] = slwidth = width;
-       *scanl = charstring_create (width);
+       *scanl = charstring_create (width < NMH_BUFSIZ ? width : NMH_BUFSIZ);
        if (outnum)
            umask(~m_gmprot());
 
@@ -126,15 +126,17 @@ scan (FILE *inb, int innum, int outnum, char *nfs, int width, int curflg,
         * and it's our responsibility to free it.
         */
 
-       nxtbuf = compbuffers = (char **) calloc((size_t) ncomps, sizeof(char *));
+       nxtbuf = compbuffers = (char **) mh_xcalloc ((size_t) ncomps, sizeof(char *));
        if (nxtbuf == NULL)
            adios (NULL, "unable to allocate component buffers");
-       used_buf = (struct comp **) calloc((size_t) (ncomps+1),
+       used_buf = (struct comp **) mh_xcalloc ((size_t) (ncomps+1),
            sizeof(struct comp *));
        if (used_buf == NULL)
            adios (NULL, "unable to allocate component buffer stack");
        used_buf += ncomps+1; *--used_buf = 0;
-       rlwidth = bodycomp && (width > SBUFSIZ) ? width : SBUFSIZ;
+       rlwidth = bodycomp && (width > SBUFSIZ)
+           ? min (width, NMH_BUFSIZ)
+           : SBUFSIZ;
        for (i = ncomps; i--; )
            *nxtbuf++ = mh_xmalloc(rlwidth);
     }
@@ -218,7 +220,6 @@ scan (FILE *inb, int innum, int outnum, char *nfs, int width, int curflg,
                break;
 
            case BODY: 
-               compnum = -1;
                /*
                 * A slight hack ... if we have less than rlwidth characters
                 * in the buffer, call m_getfld again.
@@ -326,7 +327,7 @@ finished:
            if (! datecomp->c_text) {
                if (datecomp->c_tws == NULL)
                    datecomp->c_tws = (struct tws *)
-                       calloc((size_t) 1, sizeof(*datecomp->c_tws));
+                       mh_xcalloc ((size_t) 1, sizeof(*datecomp->c_tws));
                if (datecomp->c_tws == NULL)
                    adios (NULL, "unable to allocate tws buffer");
                *datecomp->c_tws = *dlocaltime ((time_t *) &st.st_mtime);