4 files changed, 71 insertions, 1 deletions
diff --git a/lib/sh/Makefile.in b/lib/sh/Makefile.in
index 938c3721..36a83052 100644
--- a/lib/sh/Makefile.in
+++ b/lib/sh/Makefile.in
@@ -92,7 +92,7 @@ CSOURCES = clktck.c clock.c getcwd.c getenv.c oslib.c setlinebuf.c \
 	   mktime.c strftime.c mbschr.c zcatfd.c zmapfd.c winsize.c eaccess.c \
 	   wcsdup.c fpurge.c zgetline.c mbscmp.c uconvert.c ufuncs.c \
 	   casemod.c dprintf.c input_avail.c mbscasecmp.c fnxform.c \
-	   strchrnul.c unicode.c wcswidth.c wcsnwidth.c shmbchar.c
+	   strchrnul.c unicode.c wcswidth.c wcsnwidth.c shmbchar.c strdup.c
 
 # The header files for this library.
 HSOURCES = 
diff --git a/lib/sh/itos.c b/lib/sh/itos.c
index 12e9398d..cd36ef33 100644
--- a/lib/sh/itos.c
+++ b/lib/sh/itos.c
@@ -50,6 +50,18 @@ itos (i)
   return (savestring (p));
 }
 
+/* Integer to string conversion.  This conses the string using strdup;
+   caller should free it and be prepared to deal with NULL return. */
+char *
+mitos (i)
+     intmax_t i;
+{
+  char *p, lbuf[INT_STRLEN_BOUND(intmax_t) + 1];
+
+  p = fmtumax (i, 10, lbuf, sizeof(lbuf), 0);
+  return (strdup (p));
+}
+
 char *
 uinttostr (i, buf, len)
      uintmax_t i;
diff --git a/lib/sh/strdup.c b/lib/sh/strdup.c
new file mode 100644
index 00000000..90fa3532
--- /dev/null
+++ b/lib/sh/strdup.c
@@ -0,0 +1,42 @@
+/* strdup - return a copy of a string in newly-allocated memory. */
+
+/* Copyright (C) 2013 Free Software Foundation, Inc.
+
+   This file is part of GNU Bash, the Bourne Again SHell.
+   
+   Bash is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   Bash is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Bash.  If not, see <http://www.gnu.org/licenses/>.
+*/
+                              
+
+#include <config.h>
+
+/* Get specification.  */
+#include <string.h>
+#include <stdlib.h>
+
+/* Duplicate S, returning an identical malloc'd string.  */
+char *
+strdup (s)
+     const char *s;
+{
+  size_t len;
+  void *new;
+
+  len = strlen (s) + 1;
+  if ((new = malloc (len)) == NULL)
+    return NULL;
+
+  memcpy (new, s, len);
+  return ((char *)new);
+}
diff --git a/lib/sh/stringvec.c b/lib/sh/stringvec.c
index b0ed4164..3bb4ab70 100644
--- a/lib/sh/stringvec.c
+++ b/lib/sh/stringvec.c
@@ -40,6 +40,14 @@ strvec_create (n)
   return ((char **)xmalloc ((n) * sizeof (char *)));
 }
 
+/* Allocate an array of strings with room for N members. */
+char **
+strvec_mcreate (n)
+     int n;
+{
+  return ((char **)malloc ((n) * sizeof (char *)));
+}
+
 char **
 strvec_resize (array, nsize)
      char **array;
@@ -48,6 +56,14 @@ strvec_resize (array, nsize)
   return ((char **)xrealloc (array, nsize * sizeof (char *)));
 }
 
+char **
+strvec_mresize (array, nsize)
+     char **array;
+     int nsize;
+{
+  return ((char **)realloc (array, nsize * sizeof (char *)));
+}
+
 /* Return the length of ARRAY, a NULL terminated array of char *. */
 int
 strvec_len (array)