X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/0fa68535f744e9f5686c2db1ba5109cb4d4adbc2..dcef69d277225417e8027b45b6eda2aa29d8b3c9:/usr/src/usr.bin/mail/collect.c

diff --git a/usr/src/usr.bin/mail/collect.c b/usr/src/usr.bin/mail/collect.c
index 674d9ec0f5..a7ed484acf 100644
--- a/usr/src/usr.bin/mail/collect.c
+++ b/usr/src/usr.bin/mail/collect.c
@@ -7,7 +7,7 @@
  * ~ escapes.
  */
 
-static char *SccsId = "@(#)collect.c	2.2 %G%";
+static char *SccsId = "@(#)collect.c	2.13 %G%";
 
 #include "rcv.h"
 #include <sys/stat.h>
@@ -27,7 +27,9 @@ static char *SccsId = "@(#)collect.c	2.2 %G%";
 
 static	int	(*savesig)();		/* Previous SIGINT value */
 static	int	(*savehup)();		/* Previous SIGHUP value */
+# ifdef VMUNIX
 static	int	(*savecont)();		/* Previous SIGCONT value */
+# endif VMUNIX
 static	FILE	*newi;			/* File for saving away */
 static	FILE	*newo;			/* Output side of same */
 static	int	hf;			/* Ignore interrups */
@@ -45,6 +47,7 @@ collect(hp)
 	char linebuf[LINESIZE], *cp;
 	extern char tempMail[];
 	int notify();
+	extern collintsig(), collhupsig();
 
 	noreset++;
 	ibuf = obuf = NULL;
@@ -53,11 +56,16 @@ collect(hp)
 	else
 		hf = 0;
 	hadintr = 0;
+# ifdef VMUNIX
 	if ((savesig = sigset(SIGINT, SIG_IGN)) != SIG_IGN)
 		sigset(SIGINT, hf ? intack : collrub), sighold(SIGINT);
 	if ((savehup = sigset(SIGHUP, SIG_IGN)) != SIG_IGN)
-		sigset(SIGHUP, collrub), sighold(SIGINT);
+		sigset(SIGHUP, collrub), sighold(SIGHUP);
 	savecont = sigset(SIGCONT, collcont);
+# else VMUNIX
+	savesig = signal(SIGINT, SIG_IGN);
+	savehup = signal(SIGHUP, SIG_IGN);
+# endif VMUNIX
 	newi = NULL;
 	newo = NULL;
 	if ((obuf = fopen(tempMail, "w")) == NULL) {
@@ -96,14 +104,21 @@ collect(hp)
 	eof = 0;
 	for (;;) {
 		setjmp(coljmp);
+# ifdef VMUNIX
 		sigrelse(SIGINT);
 		sigrelse(SIGHUP);
+# else VMUNIX
+		if (savesig != SIG_IGN)
+			signal(SIGINT, hf ? intack : collintsig);
+		if (savehup != SIG_IGN)
+			signal(SIGHUP, collhupsig);
+# endif VMUNIX
 		flush();
 		if (readline(stdin, linebuf) <= 0) {
 			if (intty && value("ignoreeof") != NOSTR) {
 				if (++eof > 35)
 					break;
-				printf("Use \"%cq\" to terminate letter\n",
+				printf("Use \".\" to terminate letter\n",
 				    escape);
 				continue;
 			}
@@ -111,7 +126,8 @@ collect(hp)
 		}
 		eof = 0;
 		hadintr = 0;
-		if (intty && equal(".", linebuf) && value("dot") != NOSTR)
+		if (intty && equal(".", linebuf) &&
+		    (value("dot") != NOSTR || value("ignoreeof") != NOSTR))
 			break;
 		if (linebuf[0] != escape || rflag != NOSTR) {
 			if ((t = putline(obuf, linebuf)) < 0)
@@ -159,13 +175,14 @@ collect(hp)
 			 */
 
 			execute(&linebuf[2], 1);
+			printf("(continue)\n");
 			break;
 
 		case '.':
 			/*
 			 * Simulate end of file on input.
 			 */
-			goto eof;
+			goto eofl;
 
 		case 'q':
 		case 'Q':
@@ -315,7 +332,7 @@ collect(hp)
 
 		case '?':
 			if ((fbuf = fopen(THELPFILE, "r")) == NULL) {
-				printf("No help just now.\n");
+				perror(THELPFILE);
 				break;
 			}
 			t = getc(fbuf);
@@ -375,12 +392,14 @@ collect(hp)
 			break;
 		}
 	}
-eof:
+eofl:
 	fclose(obuf);
 	rewind(ibuf);
 	sigset(SIGINT, savesig);
 	sigset(SIGHUP, savehup);
+# ifdef VMUNIX
 	sigset(SIGCONT, savecont);
+# endif VMUNIX
 	noreset = 0;
 	return(ibuf);
 
@@ -391,7 +410,9 @@ err:
 		fclose(obuf);
 	sigset(SIGINT, savesig);
 	sigset(SIGHUP, savehup);
+# ifdef VMUNIX
 	sigset(SIGCONT, savecont);
+# endif VMUNIX
 	noreset = 0;
 	return(NULL);
 }
@@ -427,7 +448,7 @@ exwrite(name, ibuf, f)
 		printf("\"%s\" ", name);
 		fflush(stdout);
 	}
-	if (stat(name, &junk) >= 0) {
+	if (stat(name, &junk) >= 0 && (junk.st_mode & S_IFMT) == S_IFREG) {
 		if (!f)
 			fprintf(stderr, "%s: ", name);
 		fprintf(stderr, "File exists\n", name);
@@ -471,13 +492,15 @@ mesedit(ibuf, obuf, c)
 	int pid, s;
 	FILE *fbuf;
 	register int t;
-	int (*sig)(), (*scont)(), foonly();
+	int (*sig)(), (*scont)(), signull();
 	struct stat sbuf;
 	extern char tempMail[], tempEdit[];
 	register char *edit;
 
 	sig = sigset(SIGINT, SIG_IGN);
-	scont = sigset(SIGCONT, foonly);
+# ifdef VMUNIX
+	scont = sigset(SIGCONT, signull);
+# endif VMUNIX
 	if (stat(tempEdit, &sbuf) >= 0) {
 		printf("%s: file exists\n", tempEdit);
 		goto out;
@@ -505,6 +528,7 @@ mesedit(ibuf, obuf, c)
 		edit = c == 'e' ? EDITOR : VISUAL;
 	pid = vfork();
 	if (pid == 0) {
+		sigchild();
 		if (sig != SIG_IGN)
 			sigsys(SIGINT, SIG_DFL);
 		execl(edit, edit, tempEdit, 0);
@@ -518,7 +542,7 @@ mesedit(ibuf, obuf, c)
 	}
 	while (wait(&s) != pid)
 		;
-	if (s != 0) {
+	if ((s & 0377) != 0) {
 		printf("Fatal error in \"%s\"\n", edit);
 		remove(tempEdit);
 		goto out;
@@ -547,19 +571,14 @@ mesedit(ibuf, obuf, c)
 fix:
 	perror(tempEdit);
 out:
+# ifdef VMUNIX
 	sigset(SIGCONT, scont);
+# endif VMUNIX
 	sigset(SIGINT, sig);
 	newi = ibuf;
 	return(obuf);
 }
 
-/*
- * Currently, Berkeley virtual VAX/UNIX will not let you change the
- * disposition of SIGCONT, except to trap it somewhere new.
- * Hence, sigset(SIGCONT, foonly) is used to ignore continue signals.
- */
-foonly() {}
-
 /*
  * Pipe the message through the command.
  * Old message is on stdin of command;
@@ -604,6 +623,7 @@ mespipe(ibuf, obuf, cmd)
 		 * stdout = new message.
 		 */
 
+		sigchild();
 		close(0);
 		dup(fileno(ibuf));
 		close(1);
@@ -650,7 +670,6 @@ err:
  * the message temporary.  The flag argument is 'm' if we
  * should shift over and 'f' if not.
  */
-
 forward(ms, obuf, f)
 	char ms[];
 	FILE *obuf;
@@ -676,12 +695,12 @@ forward(ms, obuf, f)
 		touch(*ip);
 		printf(" %d", *ip);
 		if (f == 'm') {
-			if (transmit(&message[*ip-1], obuf) < 0) {
+			if (transmit(&message[*ip-1], obuf) < 0L) {
 				perror(tempMail);
 				return(-1);
 			}
 		} else
-			if (send(&message[*ip-1], obuf) < 0) {
+			if (send(&message[*ip-1], obuf, 0) < 0) {
 				perror(tempMail);
 				return(-1);
 			}
@@ -697,28 +716,30 @@ forward(ms, obuf, f)
  * on error.
  */
 
+long
 transmit(mailp, obuf)
 	struct message *mailp;
 	FILE *obuf;
 {
 	register struct message *mp;
-	register int c, ch;
-	int n, bol;
+	register int ch;
+	long c, n;
+	int bol;
 	FILE *ibuf;
 
 	mp = mailp;
 	ibuf = setinput(mp);
-	c = msize(mp);
+	c = mp->m_size;
 	n = c;
 	bol = 1;
-	while (c-- > 0) {
+	while (c-- > 0L) {
 		if (bol) {
 			bol = 0;
 			putc('\t', obuf);
 			n++;
 			if (ferror(obuf)) {
 				perror("/tmp");
-				return(-1);
+				return(-1L);
 			}
 		}
 		ch = getc(ibuf);
@@ -727,7 +748,7 @@ transmit(mailp, obuf)
 		putc(ch, obuf);
 		if (ferror(obuf)) {
 			perror("/tmp");
-			return(-1);
+			return(-1L);
 		}
 	}
 	return(n);
@@ -751,6 +772,20 @@ collcont(s)
  * were previously set anyway.
  */
 
+# ifndef VMUNIX
+collintsig()
+{
+	signal(SIGINT, SIG_IGN);
+	collrub(SIGINT);
+}
+
+collhupsig()
+{
+	signal(SIGHUP, SIG_IGN);
+	collrub(SIGHUP);
+}
+# endif VMUNIX
+
 collrub(s)
 {
 	register FILE *dbuf;
@@ -760,7 +795,9 @@ collrub(s)
 		hadintr++;
 		clrbuf(stdout);
 		printf("\n(Interrupt -- one more to kill letter)\n");
+# ifdef VMUNIX
 		sigrelse(s);
+# endif VMUNIX
 		longjmp(coljmp, 1);
 	}
 	fclose(newo);
@@ -778,7 +815,9 @@ done:
 	fclose(newi);
 	sigset(SIGINT, savesig);
 	sigset(SIGHUP, savehup);
+# ifdef VMUNIX
 	sigset(SIGCONT, savecont);
+# endif VMUNIX
 	if (rcvmode) {
 		if (s == SIGHUP)
 			hangup(SIGHUP);
@@ -796,7 +835,6 @@ done:
 intack(s)
 {
 	
-	sigrelse(SIGCONT);
 	puts("@");
 	fflush(stdout);
 	clearerr(stdin);