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-rw-r--r--ChangeLog6
-rw-r--r--Src/exec.c6
-rw-r--r--Src/math.c3
-rw-r--r--Src/module.c5
-rw-r--r--Test/V01zmodload.ztst4
5 files changed, 17 insertions, 7 deletions
diff --git a/ChangeLog b/ChangeLog
index 300bef279..d053c39d3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2010-06-14  Peter Stephenson  <pws@csr.com>
 
+	* 28037: Src/exec.c, Src/math.c, Src/module.c,
+	Test/V01zmodload.ztst: improved error messages for autoloading
+	math functions and builtins (but not conditions).
+
 	* 28010: configure.ac, Src/compat.c: use getcwd() as fallback
 	if zgetcwd() fails.
 
@@ -13285,5 +13289,5 @@
 
 *****************************************************
 * This is used by the shell to define $ZSH_PATCHLEVEL
-* $Revision: 1.5002 $
+* $Revision: 1.5003 $
 *****************************************************
diff --git a/Src/exec.c b/Src/exec.c
index 8fd52420b..6611e9c79 100644
--- a/Src/exec.c
+++ b/Src/exec.c
@@ -2274,18 +2274,20 @@ static HashNode
 resolvebuiltin(const char *cmdarg, HashNode hn)
 {
     if (!((Builtin) hn)->handlerfunc) {
+	char *modname = dupstring(((Builtin) hn)->optstr);
 	/*
 	 * Ensure the module is loaded and the
 	 * feature corresponding to the builtin
 	 * is enabled.
 	 */
-	(void)ensurefeature(((Builtin) hn)->optstr, "b:",
+	(void)ensurefeature(modname, "b:",
 			    (hn->flags & BINF_AUTOALL) ? NULL :
 			    hn->nam);
 	hn = builtintab->getnode(builtintab, cmdarg);
 	if (!hn) {
 	    lastval = 1;
-	    zerr("unknown builtin: %s", cmdarg);
+	    zerr("autoloading module %s failed to define builtin: %s",
+		 modname, cmdarg);
 	    return NULL;
 	}
     }
diff --git a/Src/math.c b/Src/math.c
index a19c8c762..caff06de9 100644
--- a/Src/math.c
+++ b/Src/math.c
@@ -941,8 +941,9 @@ callmathfunc(char *o)
 		    zerr("wrong number of arguments: %s", o);
 	    }
 	}
-    } else
+    } else {
 	zerr("unknown function: %s", n);
+    }
 
     dummy.type = MN_INTEGER;
     dummy.u.l = 0;
diff --git a/Src/module.c b/Src/module.c
index 4f71153b7..219bdfa8e 100644
--- a/Src/module.c
+++ b/Src/module.c
@@ -1273,7 +1273,10 @@ getmathfunc(const char *name, int autol)
 		(void)ensurefeature(n, "f:", (flags & MFF_AUTOALL) ? NULL :
 				    name);
 
-		return getmathfunc(name, 0);
+	       p = getmathfunc(name, 0);
+	       if (!p) {
+		   zerr("autoloading module %s failed to define math function: %s", n, name);
+	       }
 	    }
 	    return p;
 	}
diff --git a/Test/V01zmodload.ztst b/Test/V01zmodload.ztst
index 090c637df..d74b0ef18 100644
--- a/Test/V01zmodload.ztst
+++ b/Test/V01zmodload.ztst
@@ -135,7 +135,7 @@
   print "Shouldn't get here.")
 1:Failed builtin autoload
 ?(eval):3: module `zsh/parameter' has no such feature: `b:fail': autoload cancelled
-?(eval):3: unknown builtin: fail
+?(eval):3: autoloading module zsh/parameter failed to define builtin: fail
 
   (zmodload -u zsh/parameter
   zmodload -aF zsh/parameter p:fail
@@ -158,7 +158,7 @@
   (( fail() )) )
 2:Failed math function autoload
 ?(eval):3: module `zsh/parameter' has no such feature: `f:fail': autoload cancelled
-?(eval):3: unknown function: fail
+?(eval):3: autoloading module zsh/parameter failed to define math function: fail
 
   zmodload -aF zsh/parameter f:fail2
 1:Immediate autoload failure on non-existent feature when module loaded