PSARC/2008/094 ksh93 Update 1

PSARC/2008/344 ksh93 Integration Update 1 Amendments 1
PSARC/2008/589 Remove /usr/bin/printf from PSARC case 2008 094
6619428 *ksh93* RFE: Update ksh93 in Solaris to ast-ksh.2008-11-04
6788659 RFE: Update libpp in Solaris to ast-open.2008-07-25
6561901 RFE: Add "shcomp" (shell script compiler) + kernel module to exec binary sh code
6599668 RFE: Move consumers of alias.sh over to ksh93
6595183 *ksh93* RFE: Update ksh93-integration demo code
6775901 *ksh93* no C message catalogs are generated for ksh93
6451262 *sleep* RFE: /usr/bin/sleep should support floating-point values
6687139 *ksh93* command substitution, exec, and stdout redirection cause allocation loop
6703761 *ksh93* crashes in script containing uncommon output redirections
6715496 *ksh93* SEGVs on array reinitialization
6713682 *ksh93* Creating a compound variable in a subshell "bleeds through" to the calling subshell
6672350 *ksh93* causes parent shell to die when child shell is suspended
6745015 *ksh93* VARIABLE=`command substitution` assignment is not reliable on OpenSolaris
6710205 *ksh93* problem with command substitution (within back quotes) containing \$'
6737600 *ksh93* exits debugger when user presses ctrl-c
6748645 *ksh93* fc -l -e - is mis-parsed, outputs wrong error message "-e - requires single argument"
6754020 *ksh93* does weird '[' expansion
6753538 *ksh93* umask modification leaks out of a ksh93 subshell
6766246 *ksh93* bug in pattern matching
6763594 *ksh93* executes command after "command" builtin twice on failure
6762665 *ksh93* Difficult-to-reproduce SIGSEGV in ksh93

1 files changed, 44 insertions, 12 deletions

diff --git a/usr/src/lib/libcmd/common/rev.c b/usr/src/lib/libcmd/common/rev.c
index ce3f2ae425..3c63840bdb 100644
--- a/usr/src/lib/libcmd/common/rev.c
+++ b/usr/src/lib/libcmd/common/rev.c
@@ -1,10 +1,10 @@
 /***********************************************************************
 *                                                                      *
 *               This software is part of the ast package               *
-*           Copyright (c) 1992-2007 AT&T Knowledge Ventures            *
+*          Copyright (c) 1992-2008 AT&T Intellectual Property          *
 *                      and is licensed under the                       *
 *                  Common Public License, Version 1.0                  *
-*                      by AT&T Knowledge Ventures                      *
+*                    by AT&T Intellectual Property                     *
 *                                                                      *
 *                A copy of the License is available at                 *
 *            http://www.opensource.org/licenses/cpl1.0.txt             *
@@ -31,7 +31,7 @@
  */
 
 static const char usage[] =
-"[-?\n@(#)$Id: rev (AT&T Research) 1999-04-10 $\n]"
+"[-?\n@(#)$Id: rev (AT&T Research) 2007-11-29 $\n]"
 USAGE_LICENSE
 "[+NAME?rev - reverse the characters or lines of one or more files]"
 "[+DESCRIPTION?\brev\b copies one or more files to standard output "
@@ -61,19 +61,51 @@ static int rev_char(Sfio_t *in, Sfio_t *out)
 {
 	register int c;
 	register char *ep, *bp, *cp;
-	register int n;
-	while(cp = bp = sfgetr(in,'\n',0))
+	register wchar_t *wp, *xp;
+	register size_t n;
+	register size_t w;
+	if (mbwide())
 	{
-		ep = bp + (n=sfvalue(in)) -1;
-		while(ep > bp)
+		wp = 0;
+		w = 0;
+		while(cp = bp = sfgetr(in,'\n',0))
 		{
-			c = *--ep;
-			*ep = *bp;
-			*bp++ = c;
+			ep = bp + (n=sfvalue(in)) - 1;
+			if (n > w)
+			{
+				w = roundof(n + 1, 1024);
+				if (!(wp = newof(wp, wchar_t, w, 0)))
+				{
+					error(ERROR_SYSTEM|2, "out of space");
+					return 0;
+				}
+			}
+			xp = wp;
+			while (cp < ep)
+				*xp++ = mbchar(cp);
+			cp = bp;
+			while (xp > wp)
+				cp += mbconv(cp, *--xp);
+			*cp++ = '\n';
+			if (sfwrite(out, bp, cp - bp) < 0)
+				return -1;
 		}
-		if(sfwrite(out,cp,n)<0)
-			return(-1);
+		if (wp)
+			free(wp);
 	}
+	else
+		while(cp = bp = sfgetr(in,'\n',0))
+		{
+			ep = bp + (n=sfvalue(in)) -1;
+			while(ep > bp)
+			{
+				c = *--ep;
+				*ep = *bp;
+				*bp++ = c;
+			}
+			if(sfwrite(out,cp,n)<0)
+				return(-1);
+		}
 	return(0);
 }