Remove remainings from scan format `body' pseudo-component.
[mmh] / uip / scansbr.c
index 75dec1c..b15c908 100644 (file)
@@ -39,7 +39,6 @@
 static struct format *fmt;
 
 static struct comp *datecomp;  /* pntr to "date" comp */
-static struct comp *bodycomp;  /* pntr to "body" pseudo-comp (if referenced) */
 static int ncomps = 0;  /* # of interesting components */
 static char **compbuffers = NULL;  /* buffers for component text */
 static struct comp **used_buf = NULL;  /* stack for comp that use buffers */
@@ -48,11 +47,9 @@ static int dat[5];  /* aux. data for format routine */
 
 char *scanl = NULL;  /* text of most recent scanline */
 
-#define DIEWRERR() adios(scnmsg, "write error on")
-
 #define FPUTS(buf) {\
-               if (fputs(buf,scnout) == EOF)\
-                       DIEWRERR();\
+               if (fputs(buf, scnout) == EOF)\
+                       adios(scnmsg, "write error on");\
        }
 
 /*
@@ -73,15 +70,16 @@ scan(FILE *inb, int innum, int outnum, char *fmtstr, int width, int curflg,
        int i, compnum, state;
        unsigned char *cp, *tmpbuf;
        char **nxtbuf;
-       char *saved_c_text = NULL;
        struct comp *cptr;
        struct comp **savecomp;
        char *scnmsg = NULL;
        FILE *scnout = NULL;
        char name[NAMESZ];
-       static int rlwidth, slwidth;
+       static int slwidth;
        char returnpath[BUFSIZ];
        char deliverydate[BUFSIZ];
+       int incing = (outnum > 0);
+       int scanfolder = (outnum == 0);
 
        /* first-time only initialization */
        if (!scanl) {
@@ -94,13 +92,12 @@ scan(FILE *inb, int innum, int outnum, char *fmtstr, int width, int curflg,
                dat[3] = slwidth = width;
                scanl = (char *) mh_xmalloc((size_t) SCAN_CHARWIDTH *
                                (slwidth + 2) );
-               if (outnum)
+               if (incing)
                        umask(~m_gmprot());
 
                /* Compile format string */
                ncomps = fmt_compile(fmtstr, &fmt) + 1;
 
-               FINDCOMP(bodycomp, "body");
                FINDCOMP(datecomp, "date");
                nxtbuf = compbuffers = (char **) calloc((size_t) ncomps,
                                sizeof(char *));
@@ -111,9 +108,8 @@ scan(FILE *inb, int innum, int outnum, char *fmtstr, int width, int curflg,
                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;
                for (i = ncomps; i--; )
-                       *nxtbuf++ = mh_xmalloc(rlwidth);
+                       *nxtbuf++ = mh_xmalloc(SBUFSIZ);
        }
 
        /*
@@ -130,7 +126,7 @@ scan(FILE *inb, int innum, int outnum, char *fmtstr, 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) {
+       if ((state = m_getfld(FLD, name, tmpbuf, SBUFSIZ, inb)) == FILEEOF) {
                if (ferror(inb)) {
                        advise("read", "unable to"); /* "read error" */
                        return SCNFAT;
@@ -139,14 +135,10 @@ scan(FILE *inb, int innum, int outnum, char *fmtstr, int width, int curflg,
                }
        }
 
-       if (outnum) {
-               if (outnum > 0) {
-                       scnmsg = m_name(outnum);
-                       if (*scnmsg == '?')  /* msg num out of range */
-                               return SCNNUM;
-               } else {
-                       scnmsg = "/dev/null";
-               }
+       if (incing) {
+               scnmsg = m_name(outnum);
+               if (*scnmsg == '?')  /* msg num out of range */
+                       return SCNNUM;
                if ((scnout = fopen(scnmsg, "w")) == NULL)
                        adios(scnmsg, "unable to write");
                /*
@@ -164,15 +156,14 @@ scan(FILE *inb, int innum, int outnum, char *fmtstr, int width, int curflg,
 
        /* scan - main loop */
        for (compnum = 1; ;
-                       state = m_getfld(state, name, tmpbuf, rlwidth, inb)) {
+                       state = m_getfld(state, name, tmpbuf, SBUFSIZ, inb)) {
                switch (state) {
                case FLD:
                case FLDPLUS:
                        compnum++;
-                       if (outnum) {
+                       if (incing) {
                                FPUTS(name);
-                               if (putc(':', scnout) == EOF)
-                                       DIEWRERR();
+                               FPUTS(":");
                                FPUTS(tmpbuf);
                        }
                        /*
@@ -201,20 +192,20 @@ scan(FILE *inb, int innum, int outnum, char *fmtstr, int width, int curflg,
                        }
 
                        while (state == FLDPLUS) {
-                               state = m_getfld(state, name, tmpbuf, rlwidth,
+                               state = m_getfld(state, name, tmpbuf, SBUFSIZ,
                                                inb);
-                               if (outnum)
+                               if (incing)
                                        FPUTS(tmpbuf);
                        }
                        break;
 
                case BODY:
                        compnum = -1;
-                       if (! outnum) {
-                               state = FILEEOF; /* stop now if scan cmd */
+                       if (!incing) {
+                               state = FILEEOF; /* stop here if scan cmd */
                                goto finished;
                        }
-                       if (putc('\n', scnout) == EOF) DIEWRERR();
+                       FPUTS("\n");
                        FPUTS(tmpbuf);
                        /*
                        ** performance hack: some people like to run "inc"
@@ -237,7 +228,7 @@ body:;
                                if (scnout->_cnt <= 0) {
 #endif
                                        if (fflush(scnout) == EOF)
-                                               DIEWRERR();
+                                               adios(scnmsg, "write error on");
                                }
 #ifdef LINUX_STDIO
                                state = m_getfld(state, name, scnout->_IO_write_ptr, (long)scnout->_IO_write_ptr-(long)scnout->_IO_write_end , inb);
@@ -247,7 +238,7 @@ body:;
                                ((struct __FILE_public *)scnout)->_w -= msg_count;
                                ((struct __FILE_public *)scnout)->_p += msg_count;
 #else
-                               state = m_getfld( state, name, scnout->_ptr, -(scnout->_cnt), inb);
+                               state = m_getfld(state, name, scnout->_ptr, -(scnout->_cnt), inb);
                                scnout->_cnt -= msg_count;
                                scnout->_ptr += msg_count;
 #endif
@@ -259,15 +250,14 @@ body:;
                        fprintf(stderr, innum ? "??Format error (message %d) in " : "??Format error in ", outnum ? outnum : innum);
                        fprintf(stderr, "component %d\n", compnum);
 
-                       if (outnum) {
+                       if (incing) {
                                FPUTS("\n\nBAD MSG:\n");
                                FPUTS(name);
-                               if (putc('\n', scnout) == EOF)
-                                       DIEWRERR();
+                               FPUTS("\n");
                                state = BODY;
                                goto body;
                        }
-                       /* fall through */
+                       /* fall through if we scan only */
 
                case FILEEOF:
                        goto finished;
@@ -277,35 +267,27 @@ body:;
                }
        }
 
-       /*
-       ** format and output the scan line.
-       */
 finished:
+
+       /* Format and output the scan line. */
        if (ferror(inb)) {
-               advise("read", "unable to"); /* "read error" */
+               advise("read", "unable to");
                return SCNFAT;
        }
 
-       /* Save and restore buffer so we don't trash our dynamic pool! */
-       if (bodycomp) {
-               saved_c_text = bodycomp->c_text;
-               bodycomp->c_text = tmpbuf;
-       }
-
-       if (outnum > 0) {
-               dat[2] = ftell(scnout);
-               if (dat[2] == EOF)
-                       DIEWRERR();
+       if (incing) {
+               if ((dat[2] = ftell(scnout)) == EOF)
+                       adios(scnmsg, "write error on");
        }
 
-       if ((datecomp && !datecomp->c_text) || !outnum) {
+       if ((datecomp && !datecomp->c_text) || scanfolder) {
                struct stat st;
 
                fstat(fileno(inb), &st);
-               if (!outnum)
+               if (scanfolder)
                        dat[2] = st.st_size;
                if (datecomp) {
-                       if (! datecomp->c_text) {
+                       if (!datecomp->c_text) {
                                if (datecomp->c_tws == NULL)
                                        datecomp->c_tws = (struct tws *) calloc((size_t) 1, sizeof(*datecomp->c_tws));
                                if (datecomp->c_tws == NULL)
@@ -318,11 +300,8 @@ finished:
                }
        }
 
+       /* print the scan line */
        fmt_scan(fmt, scanl, slwidth, dat);
-
-       if (bodycomp)
-               bodycomp->c_text = saved_c_text;
-
        if (fmtstr)
                fputs(scanl, stdout);
 
@@ -333,8 +312,8 @@ finished:
        }
        *--nxtbuf = tmpbuf;
 
-       if (outnum && (ferror(scnout) || fclose(scnout) == EOF))
-               DIEWRERR();
+       if (incing && (ferror(scnout) || fclose(scnout) == EOF))
+               adios(scnmsg, "write error on");
 
        return (state != FILEEOF ? SCNERR : SCNMSG);
 }