Make msg_delim file static to sbr/m_getfld.c

[mmh] / sbr / m_getfld.c

diff --git a/sbr/m_getfld.c b/sbr/m_getfld.c
index c7f4279..1cc041b 100644 (file)
--- a/sbr/m_getfld.c
+++ b/sbr/m_getfld.c
@@ -8,6 +8,8 @@
 
 #include <h/mh.h>
 #include <h/utils.h>
+#include <ctype.h>
+#include <sysexits.h>
 
 /*
 ** This module has a long and checkered history.
@@ -137,7 +139,7 @@ int ismbox = FALSE;
 ** is used in m_Eom because the first character of the string
 ** has been read and matched before m_Eom is called.
 */
-char *msg_delim = "";
+static char *msg_delim = "";
 
 static unsigned char *fdelim;
 static unsigned char *delimend;
@@ -163,8 +165,8 @@ int
 m_getfld(int state, unsigned char *name, unsigned char *buf,
        int bufsz, FILE *iob)
 {
-       register unsigned char  *bp, *cp, *ep, *sp;
-       register int cnt, c, i, j;
+       unsigned char  *bp, *cp, *ep, *sp;
+       int cnt, c, i, j;
 
        if ((c = getc(iob)) < 0) {
                msg_count = 0;
@@ -423,8 +425,8 @@ m_getfld(int state, unsigned char *name, unsigned char *buf,
                        *cp++ = j = *(iob->_ptr + c);
                        c = _filbuf(iob);
 #endif
-                       if (c == EOF ||
-                         ((j == '\0' || j == '\n') && c != ' ' && c != '\t')) {
+                       if (c == EOF || ((j == '\0' || j == '\n')
+                                       && c != ' ' && c != '\t')) {
                                if (c != EOF) {
 #ifdef LINUX_STDIO
                                        --iob->_IO_read_ptr;
@@ -562,7 +564,7 @@ m_getfld(int state, unsigned char *name, unsigned char *buf,
                break;
 
        default:
-               adios(NULL, "m_getfld() called with bogus state of %d", state);
+               adios(EX_SOFTWARE, NULL, "m_getfld() called with bogus state of %d", state);
        }
 finish:
        *cp = 0;
@@ -574,11 +576,16 @@ finish:
 void
 thisisanmbox(FILE *iob)
 {
-       register int c;
-       register long pos;
+       int c;
        char text[10];
-       register char *cp;
-       register char *delimstr;
+       char *cp;
+       char *delimstr;
+
+       c = getc(iob); 
+       if (feof(iob)) {
+               return;
+       }
+       ungetc(c, iob);
 
        /*
        ** Figure out what the message delimitter string is for this
@@ -592,12 +599,11 @@ thisisanmbox(FILE *iob)
        ** abort.
        */
 
-       pos = ftell(iob);
        if (fread(text, sizeof(*text), 5, iob) != 5) {
-               adios(NULL, "Read error");
+               adios(EX_IOERR, NULL, "Read error");
        }
        if (strncmp(text, "From ", 5)!=0) {
-               adios(NULL, "No Unix style (mbox) maildrop.");
+               adios(EX_USAGE, NULL, "No Unix style (mbox) maildrop.");
        }
        ismbox = TRUE;
        delimstr = "\nFrom ";
@@ -615,7 +621,7 @@ thisisanmbox(FILE *iob)
        strcpy(msg_delim, delimstr);
        delimend = (unsigned char *)msg_delim + edelimlen;
        if (edelimlen <= 1)
-               adios(NULL, "maildrop delimiter must be at least 2 bytes");
+               adios(EX_DATAERR, NULL, "maildrop delimiter must be at least 2 bytes");
        /*
        ** build a Boyer-Moore end-position map for the matcher in m_getfld.
        ** N.B. - we don't match just the first char (since it's the newline
@@ -636,8 +642,8 @@ thisisanmbox(FILE *iob)
 static int
 m_Eom(int c, FILE *iob)
 {
-       register long pos = 0L;
-       register int i;
+       long pos = 0L;
+       int i;
        char text[10];
 
        pos = ftell(iob);
@@ -668,11 +674,11 @@ m_Eom(int c, FILE *iob)
 static unsigned char *
 matchc(int patln, char *pat, int strln, char *str)
 {
-       register char *es = str + strln - patln;
-       register char *sp;
-       register char *pp;
-       register char *ep = pat + patln;
-       register char pc = *pat++;
+       char *es = str + strln - patln;
+       char *sp;
+       char *pp;
+       char *ep = pat + patln;
+       char pc = *pat++;
 
        for(;;) {
                while (pc != *str++)