The start of the use of argsplit() to process command strings.

[nmh] / uip / scansbr.c

diff --git a/uip/scansbr.c b/uip/scansbr.c
index b69f4a4182385d1539efbe580cc83570ed3fa4a9..930cfbc25f65864ca4d1dd0681f83a8f5f889fed 100644 (file)
--- a/uip/scansbr.c
+++ b/uip/scansbr.c
@@ -36,6 +36,7 @@ static struct comp **used_buf = 0;    /* stack for comp that use buffers */
 static int dat[5];                     /* aux. data for format routine    */
 
 char *scanl = 0;                       /* text of most recent scanline    */
+m_getfld_state_t gstate;               /* for access by msh */
 
 #define DIEWRERR() adios (scnmsg, "write error on")
 
@@ -68,6 +69,7 @@ scan (FILE *inb, int innum, int outnum, char *nfs, int width, int curflg,
     char *scnmsg = NULL;
     FILE *scnout = NULL;
     char name[NAMESZ];
+    int bufsz;
     static int rlwidth, slwidth;
     static size_t scanl_size;
 
@@ -162,7 +164,9 @@ scan (FILE *inb, int innum, int outnum, char *nfs, int width, int curflg,
      * Get the first field.  If the message is non-empty
      * and we're doing an "inc", open the output file.
      */
-    if ((state = m_getfld (FLD, name, tmpbuf, rlwidth, inb)) == FILEEOF) {
+    bufsz = rlwidth;
+    m_getfld_state_reset (&gstate);
+    if ((state = m_getfld (&gstate, name, tmpbuf, &bufsz, inb)) == FILEEOF) {
        if (ferror(inb)) {
            advise("read", "unable to"); /* "read error" */
            return SCNFAT;
@@ -184,7 +188,8 @@ scan (FILE *inb, int innum, int outnum, char *nfs, int width, int curflg,
     }
 
     /* scan - main loop */
-    for (compnum = 1; ; state = m_getfld (state, name, tmpbuf, rlwidth, inb)) {
+    for (compnum = 1; ;
+       bufsz = rlwidth, state = m_getfld (&gstate, name, tmpbuf, &bufsz, inb)) {
        switch (state) {
            case FLD: 
            case FLDPLUS: 
@@ -215,7 +220,8 @@ scan (FILE *inb, int innum, int outnum, char *nfs, int width, int curflg,
                }
 
                while (state == FLDPLUS) {
-                   state = m_getfld (state, name, tmpbuf, rlwidth, inb);
+                   bufsz = rlwidth;
+                   state = m_getfld (&gstate, name, tmpbuf, &bufsz, inb);
                    if (outnum)
                        FPUTS (tmpbuf);
                }
@@ -229,8 +235,8 @@ scan (FILE *inb, int innum, int outnum, char *nfs, int width, int curflg,
                 */
 
                if ((i = strlen(tmpbuf)) < rlwidth) {
-                   state = m_getfld (state, name, tmpbuf + i,
-                                     rlwidth - i, inb);
+                   bufsz = rlwidth - i;
+                   state = m_getfld (&gstate, name, tmpbuf + i, &bufsz, inb);
                }
 
                if (! outnum) {
@@ -264,7 +270,8 @@ body:;
                }
 
                while (state == BODY) {
-                   state = m_getfld(state, name, tmpbuf, rlwidth, inb);
+                   bufsz = rlwidth;
+                   state = m_getfld (&gstate, name, tmpbuf, &bufsz, inb);
                    FPUTS(tmpbuf);
                }
                goto finished;
@@ -372,3 +379,23 @@ mh_fputs(char *s, FILE *stream)
     return (0);
 }
 
+/* The following three functions allow access to the global gstate above. */
+void
+scan_finished () {
+    m_getfld_state_destroy (&gstate);
+}
+
+void
+scan_detect_mbox_style (FILE *f) {
+    m_unknown (&gstate, f);
+}
+
+void
+scan_eom_action (int (*action)()) {
+    m_eomsbr (gstate, action);
+}
+
+void
+scan_reset_m_getfld_state () {
+    m_getfld_state_reset (&gstate);
+}