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-rw-r--r--ChangeLog3
-rw-r--r--Src/utils.c13
-rw-r--r--Src/zsh.h1
3 files changed, 15 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index cd8949e39..81274d81b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2008-09-29  Peter Stephenson  <pws@csr.com>
 
+	* 25771: Src/utils.c, Src/zsh.h: shell function context
+	for substitution functions.
+
 	* users/13295 (with tweak always to keep old line numbers at
 	exit from parse_string()): Src/builtin.c, Src/exec.c, Src/glob.c,
 	Src/parse.c, Src/Modules/parameter.c, Src/Modules/zpty.c,
diff --git a/Src/utils.c b/Src/utils.c
index fadf46470..5518a16c7 100644
--- a/Src/utils.c
+++ b/Src/utils.c
@@ -2935,14 +2935,23 @@ getshfunc(char *nam)
 char **
 subst_string_by_func(Shfunc func, char *arg1, char *orig)
 {
+    int osc = sfcontext;
     LinkList l = newlinklist();
+    char **ret;
+
     addlinknode(l, func->node.nam);
     if (arg1)
 	addlinknode(l, arg1);
     addlinknode(l, orig);
+    sfcontext = SFC_SUBST;
+
     if (doshfunc(func, l, 1))
-	return NULL;
-    return getaparam("reply");
+	ret = NULL;
+    else
+	ret = getaparam("reply");
+
+    sfcontext = osc;
+    return ret;
 }
 
 /**/
diff --git a/Src/zsh.h b/Src/zsh.h
index 1e043bf29..ddbf24048 100644
--- a/Src/zsh.h
+++ b/Src/zsh.h
@@ -1076,6 +1076,7 @@ struct shfunc {
 #define SFC_WIDGET   4		/* user defined widget */
 #define SFC_COMPLETE 5		/* called from completion code */
 #define SFC_CWIDGET  6		/* new style completion widget */
+#define SFC_SUBST    7          /* used to perform substitution task */
 
 /* tp in funcstack */