Update sh from head r340284

7 files changed, 34 insertions, 56 deletions

diff --git a/external/sh/error.c b/external/sh/error.c
index 7f184ac1..a2eeb70a 100644
--- a/external/sh/error.c
+++ b/external/sh/error.c
@@ -36,7 +36,7 @@ static char sccsid[] = "@(#)error.c	8.2 (Berkeley) 5/4/95";
 #endif
 #endif /* not lint */
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: head/bin/sh/error.c 314436 2017-02-28 23:42:47Z imp $");
+__FBSDID("$FreeBSD: head/bin/sh/error.c 340284 2018-11-09 14:58:24Z jilles $");
 
 /*
  * Errors and exceptions.
@@ -67,7 +67,7 @@ volatile sig_atomic_t suppressint;
 volatile sig_atomic_t intpending;
 
 
-static void exverror(int, const char *, va_list) __printf0like(2, 0) __dead2;
+static void verrorwithstatus(int, const char *, va_list) __printf0like(2, 0) __dead2;
 
 /*
  * Called to raise an exception.  Since C doesn't include exceptions, we
@@ -154,7 +154,7 @@ warning(const char *msg, ...)
  * formatting.  It then raises the error exception.
  */
 static void
-exverror(int cond, const char *msg, va_list ap)
+verrorwithstatus(int status, const char *msg, va_list ap)
 {
 	/*
 	 * An interrupt trumps an error.  Certain places catch error
@@ -168,14 +168,17 @@ exverror(int cond, const char *msg, va_list ap)
 
 #ifdef DEBUG
 	if (msg)
-		TRACE(("exverror(%d, \"%s\") pid=%d\n", cond, msg, getpid()));
+		TRACE(("verrorwithstatus(%d, \"%s\") pid=%d\n",
+		    status, msg, getpid()));
 	else
-		TRACE(("exverror(%d, NULL) pid=%d\n", cond, getpid()));
+		TRACE(("verrorwithstatus(%d, NULL) pid=%d\n",
+		    status, getpid()));
 #endif
 	if (msg)
 		vwarning(msg, ap);
 	flushall();
-	exraise(cond);
+	exitstatus = status;
+	exraise(EXERROR);
 }
 
 
@@ -184,16 +187,16 @@ error(const char *msg, ...)
 {
 	va_list ap;
 	va_start(ap, msg);
-	exverror(EXERROR, msg, ap);
+	verrorwithstatus(2, msg, ap);
 	va_end(ap);
 }
 
 
 void
-exerror(int cond, const char *msg, ...)
+errorwithstatus(int status, const char *msg, ...)
 {
 	va_list ap;
 	va_start(ap, msg);
-	exverror(cond, msg, ap);
+	verrorwithstatus(status, msg, ap);
 	va_end(ap);
 }
diff --git a/external/sh/error.h b/external/sh/error.h
index e962c4f2..d6a4368b 100644
--- a/external/sh/error.h
+++ b/external/sh/error.h
@@ -30,7 +30,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)error.h	8.2 (Berkeley) 5/4/95
- * $FreeBSD: head/bin/sh/error.h 319591 2017-06-04 21:58:02Z jilles $
+ * $FreeBSD: head/bin/sh/error.h 340284 2018-11-09 14:58:24Z jilles $
  */
 
 /*
@@ -55,9 +55,8 @@ extern volatile sig_atomic_t exception;
 
 /* exceptions */
 #define EXINT 0		/* SIGINT received */
-#define EXERROR 1	/* a generic error */
-#define EXEXEC 2	/* command execution failed */
-#define EXEXIT 3	/* call exitshell(exitstatus) */
+#define EXERROR 1	/* a generic error with exitstatus */
+#define EXEXIT 2	/* call exitshell(exitstatus) */
 
 
 /*
@@ -83,7 +82,7 @@ void exraise(int) __dead2;
 void onint(void) __dead2;
 void warning(const char *, ...) __printflike(1, 2);
 void error(const char *, ...) __printf0like(1, 2) __dead2;
-void exerror(int, const char *, ...) __printf0like(2, 3) __dead2;
+void errorwithstatus(int, const char *, ...) __printf0like(2, 3) __dead2;
 
 
 /*
diff --git a/external/sh/eval.c b/external/sh/eval.c
index bb5f3ccc..362fd798 100644
--- a/external/sh/eval.c
+++ b/external/sh/eval.c
@@ -36,7 +36,7 @@ static char sccsid[] = "@(#)eval.c	8.9 (Berkeley) 6/8/95";
 #endif
 #endif /* not lint */
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: head/bin/sh/eval.c 327212 2017-12-26 16:23:18Z jilles $");
+__FBSDID("$FreeBSD: head/bin/sh/eval.c 340284 2018-11-09 14:58:24Z jilles $");
 
 #include <paths.h>
 #include <signal.h>
@@ -466,12 +466,9 @@ evalredir(union node *n, int flags)
 		handler = savehandler;
 		e = exception;
 		popredir();
-		if (e == EXERROR || e == EXEXEC) {
-			if (in_redirect) {
-				exitstatus = 2;
-				FORCEINTON;
-				return;
-			}
+		if (e == EXERROR && in_redirect) {
+			FORCEINTON;
+			return;
 		}
 		longjmp(handler->loc, 1);
 	} else {
@@ -505,7 +502,7 @@ exphere(union node *redir, struct arglist *fn)
 	forcelocal++;
 	savehandler = handler;
 	if (setjmp(jmploc.loc))
-		need_longjmp = exception != EXERROR && exception != EXEXEC;
+		need_longjmp = exception != EXERROR;
 	else {
 		handler = &jmploc;
 		expandarg(redir->nhere.doc, fn, 0);
@@ -669,8 +666,8 @@ evalbackcmd(union node *n, struct backcmd *result)
 		forcelocal++;
 		savehandler = handler;
 		if (setjmp(jmploc.loc)) {
-			if (exception == EXERROR || exception == EXEXEC)
-				exitstatus = 2;
+			if (exception == EXERROR)
+				/* nothing */;
 			else if (exception != 0) {
 				handler = savehandler;
 				forcelocal--;
@@ -1089,8 +1086,6 @@ evalcommand(union node *cmd, int flags, struct backcmd *backcmd)
 			e = exception;
 			if (e == EXINT)
 				exitstatus = SIGINT+128;
-			else if (e != EXEXIT)
-				exitstatus = 2;
 			goto cmddone;
 		}
 		handler = &jmploc;
@@ -1139,8 +1134,7 @@ cmddone:
 		if (cmdentry.u.index != EXECCMD)
 			popredir();
 		if (e != -1) {
-			if ((e != EXERROR && e != EXEXEC)
-			    || cmdentry.special)
+			if (e != EXERROR || cmdentry.special)
 				exraise(e);
 			popfilesupto(savetopfile);
 			if (flags != EV_BACKCMD)
diff --git a/external/sh/exec.c b/external/sh/exec.c
index 067455bf..c7896b1c 100644
--- a/external/sh/exec.c
+++ b/external/sh/exec.c
@@ -36,7 +36,7 @@ static char sccsid[] = "@(#)exec.c	8.4 (Berkeley) 6/8/95";
 #endif
 #endif /* not lint */
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: head/bin/sh/exec.c 336320 2018-07-15 21:55:17Z jilles $");
+__FBSDID("$FreeBSD: head/bin/sh/exec.c 340284 2018-11-09 14:58:24Z jilles $");
 
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -91,7 +91,6 @@ struct tblentry {
 
 static struct tblentry *cmdtable[CMDTABLESIZE];
 static int cmdtable_cd = 0;	/* cmdtable contains cd-dependent entries */
-int exerrno = 0;			/* Last exec error */
 
 
 static void tryexec(char *, char **, char **);
@@ -134,13 +133,10 @@ shellexec(char **argv, char **envp, const char *path, int idx)
 	}
 
 	/* Map to POSIX errors */
-	if (e == ENOENT || e == ENOTDIR) {
-		exerrno = 127;
-		exerror(EXEXEC, "%s: not found", argv[0]);
-	} else {
-		exerrno = 126;
-		exerror(EXEXEC, "%s: %s", argv[0], strerror(e));
-	}
+	if (e == ENOENT || e == ENOTDIR)
+		errorwithstatus(127, "%s: not found", argv[0]);
+	else
+		errorwithstatus(126, "%s: %s", argv[0], strerror(e));
 }
 
 
diff --git a/external/sh/exec.h b/external/sh/exec.h
index d13907bd..79899edb 100644
--- a/external/sh/exec.h
+++ b/external/sh/exec.h
@@ -30,7 +30,7 @@
  * SUCH DAMAGE.
  *
  *	@(#)exec.h	8.3 (Berkeley) 6/8/95
- * $FreeBSD: head/bin/sh/exec.h 336320 2018-07-15 21:55:17Z jilles $
+ * $FreeBSD: head/bin/sh/exec.h 339822 2018-10-27 20:17:57Z jilles $
  */
 
 /* values of cmdtype */
@@ -61,8 +61,6 @@ struct cmdentry {
 #define DO_ERR		0x01	/* prints errors */
 #define DO_NOFUNC	0x02	/* don't return shell functions, for command */
 
-extern int exerrno;		/* last exec error */
-
 void shellexec(char **, char **, const char *, int) __dead2;
 char *padvance(const char **, const char **, const char *);
 void find_command(const char *, struct cmdentry *, int, const char *);
diff --git a/external/sh/jobs.c b/external/sh/jobs.c
index 358153bd..77699985 100644
--- a/external/sh/jobs.c
+++ b/external/sh/jobs.c
@@ -36,7 +36,7 @@ static char sccsid[] = "@(#)jobs.c	8.5 (Berkeley) 5/4/95";
 #endif
 #endif /* not lint */
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: head/bin/sh/jobs.c 328818 2018-02-02 22:53:58Z jilles $");
+__FBSDID("$FreeBSD: head/bin/sh/jobs.c 340284 2018-11-09 14:58:24Z jilles $");
 
 #include <sys/ioctl.h>
 #include <sys/param.h>
@@ -73,6 +73,7 @@ __FBSDID("$FreeBSD: head/bin/sh/jobs.c 328818 2018-02-02 22:53:58Z jilles $");
 #include "mystring.h"
 #include "var.h"
 #include "builtins.h"
+#include "eval.h"
 
 
 /*
@@ -1005,7 +1006,7 @@ vforkexecshell(struct job *jp, char **argv, char **envp, const char *path, int i
 	if (pid == 0) {
 		TRACE(("Child shell %d\n", (int)getpid()));
 		if (setjmp(jmploc.loc))
-			_exit(exception == EXEXEC ? exerrno : 2);
+			_exit(exitstatus);
 		if (pip != NULL) {
 			close(pip[0]);
 			if (pip[1] != 1) {
diff --git a/external/sh/main.c b/external/sh/main.c
index 064662fa..585af7a6 100644
--- a/external/sh/main.c
+++ b/external/sh/main.c
@@ -44,7 +44,7 @@ static char sccsid[] = "@(#)main.c	8.6 (Berkeley) 5/28/95";
 #endif
 #endif /* not lint */
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: head/bin/sh/main.c 336320 2018-07-15 21:55:17Z jilles $");
+__FBSDID("$FreeBSD: head/bin/sh/main.c 340284 2018-11-09 14:58:24Z jilles $");
 
 #include <stdio.h>
 #include <signal.h>
@@ -105,19 +105,6 @@ main(int argc, char *argv[])
 	initcharset();
 	state = 0;
 	if (setjmp(main_handler.loc)) {
-		switch (exception) {
-		case EXEXEC:
-			exitstatus = exerrno;
-			break;
-
-		case EXERROR:
-			exitstatus = 2;
-			break;
-
-		default:
-			break;
-		}
-
 		if (state == 0 || iflag == 0 || ! rootshell ||
 		    exception == EXEXIT)
 			exitshell(exitstatus);