X-Git-Url: http://git.marmaro.de/?p=mmh;a=blobdiff_plain;f=sbr%2Fcpydgst.c;h=5e5ef87f2ea306bdad881a8c05843d5fb2ea144b;hp=7195cd152d90173c630fc6b352a933ad1dbbf988;hb=1fb6287fc4986668e8f49d7c3bdca27d53e267af;hpb=a485ed478abbd599d8c9aab48934e7a26733ecb1

diff --git a/sbr/cpydgst.c b/sbr/cpydgst.c
index 7195cd1..5e5ef87 100644
--- a/sbr/cpydgst.c
+++ b/sbr/cpydgst.c
@@ -1,66 +1,68 @@
 /*
- * 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.
- */
+** 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 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"); \
+#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;
+	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 (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 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");
+		adios(EX_IOERR, ifile, "error reading");
 	flush();
 }