X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=sbr%2Fcpydgst.c;h=5e5ef87f2ea306bdad881a8c05843d5fb2ea144b;hp=068fb6e89190282d9a0b1193fece05648c3214f0;hb=c29e62470a481bcd4d54760b0578ca4bc1201681;hpb=1691e80890e5d8ba258c51c214a3e91880e1db2b

diff --git a/sbr/cpydgst.c b/sbr/cpydgst.c
index 068fb6e..5e5ef87 100644
--- a/sbr/cpydgst.c
+++ b/sbr/cpydgst.c
@@ -1,65 +1,68 @@
-
 /*
- * cpydgst.c -- copy from one fd to another in encapsulating mode
- *           -- (do dashstuffing of input data).
- *
- * $Id$
- */
+** cpydgst.c -- copy from one fd to another in encapsulating mode
+**           -- (do dashstuffing of input data).
+**
+** This code is Copyright (c) 2002, by the authors of nmh.  See the
+** COPYRIGHT file in the root directory of the nmh distribution for
+** complete copyright information.
+*/
 
+#include <sysexits.h>
+#include <unistd.h>
 #include <h/mh.h>
 
 /*
- * We want to perform the substitution
- *
- *     \n(-.*)\n      -->       \n- \1\n
- *
- * This is equivalent to the sed substitution
- *
- *     sed -e 's%^-%- -%' < ifile > ofile
- *
- *  but the routine below is faster than the pipe, fork, and exec.
- */
+** We want to perform the substitution
+**
+**     \n(-.*)\n    -->    \n- \1\n
+**
+** This is equivalent to the sed substitution
+**
+**     sed -e 's%^-%- -%' < ifile > ofile
+**
+**  but the routine below is faster than the pipe, fork, and exec.
+*/
 
-#define	S1 0
-#define	S2 1
+#define S1 0
+#define S2 1
 
-#define	output(c)   if (bp >= dp) {flush(); *bp++ = c;} else *bp++ = c
-#define	flush()	    if ((j = bp - outbuf) && write (out, outbuf, j) != j) \
-			adios (ofile, "error writing"); \
-		    else \
-			bp = outbuf
+#define output(c)  if (bp >= dp) {flush(); *bp++ = c;} else *bp++ = c
+#define flush()  if ((j = bp - outbuf) && write(out, outbuf, j) != j) \
+		adios(EX_IOERR, ofile, "error writing"); \
+	else \
+		bp = outbuf
 
 
 void
-cpydgst (int in, int out, char *ifile, char *ofile)
+cpydgst(int in, int out, char *ifile, char *ofile)
 {
-    register int i, j, state;
-    register char *cp, *ep;
-    register char *bp, *dp;
-    char buffer[BUFSIZ], outbuf[BUFSIZ];
+	int i, j, state;
+	char *cp, *ep;
+	char *bp, *dp;
+	char buffer[BUFSIZ], outbuf[BUFSIZ];
 
-    dp = (bp = outbuf) + sizeof outbuf;
-    for (state = S1; (i = read (in, buffer, sizeof buffer)) > 0;)
-	for (ep = (cp = buffer) + i; cp < ep; cp++) {
-	    if (*cp == '\0')
-		continue;
-	    switch (state) {
-		case S1: 
-		    if (*cp == '-') {
-			output ('-');
-			output (' ');
-		    }
-		    state = S2;	/* fall */
+	dp = (bp = outbuf) + sizeof outbuf;
+	for (state = S1; (i = read(in, buffer, sizeof buffer)) > 0;)
+		for (ep = (cp = buffer) + i; cp < ep; cp++) {
+			if (*cp == '\0')
+				continue;
+			switch (state) {
+			case S1:
+				if (*cp == '-') {
+					output('-');
+					output(' ');
+				}
+				state = S2;  /* fall */
 
-		case S2: 
-		    output (*cp);
-		    if (*cp == '\n')
-			state = S1;
-		    break;
-	    }
-	}
+			case S2:
+				output(*cp);
+				if (*cp == '\n')
+					state = S1;
+				break;
+			}
+		}
 
-    if (i == -1)
-	adios (ifile, "error reading");
-    flush();
+	if (i == -1)
+		adios(EX_IOERR, ifile, "error reading");
+	flush();
 }