From 16cb9dfa052a261b76840702cd979c04bc4b0a4b Mon Sep 17 00:00:00 2001
From: axel <axel@liljencrantz.se>
Date: Fri, 13 Jan 2006 00:49:03 +1000
Subject: [PATCH] Improve description handling - handle symbolic link loops,
 handle description functions returning strings without a separator, and
 handle testing of un-stat:able files

darcs-hash:20060112144903-ac50b-9766abfa212b2eaf61509a65499df0018562b5d9.gz
---
 complete.c   | 51 ++++++++++++++++++++++++++-------------------------
 init/fish.in |  2 +-
 wildcard.c   | 33 ++++++++++++++++++++-------------
 3 files changed, 47 insertions(+), 39 deletions(-)

diff --git a/complete.c b/complete.c
index 3ce4353a9..5ea039d3f 100644
--- a/complete.c
+++ b/complete.c
@@ -89,6 +89,10 @@
    Description for Rotten symlink
 */
 #define COMPLETE_ROTTEN_SYMLINK_DESC _( L"Rotten symbolic link" )
+/**
+   Description for symlink loop
+*/
+#define COMPLETE_LOOP_SYMLINK_DESC _( L"Symbolic link loop" )
 /**
    Description for socket
 */
@@ -938,7 +942,16 @@ const wchar_t *complete_get_desc( const wchar_t *filename )
 						break;
 
 					default:
-						wperror( L"stat" );
+						if( errno == ELOOP )
+						{
+							sb_printf( get_desc_buff, L"%lc%ls", COMPLETE_SEP, COMPLETE_LOOP_SYMLINK_DESC );
+						}
+						
+						/*
+						  Some kind of broken symlink. We ignore it
+						  here, and it will get a 'file' description,
+						  or one based on suffix.
+						*/
 						break;
 				}
 			}
@@ -954,21 +967,6 @@ const wchar_t *complete_get_desc( const wchar_t *filename )
 		}
 
 	}
-/*	else
-  {
-
-  switch( errno )
-  {
-  case EACCES:
-  break;
-
-  default:
-  fprintf( stderr, L"The following error happened on file %ls\n", filename );
-  wperror( L"lstat" );
-  break;
-  }
-  }
-*/
 
 	if( wcslen((wchar_t *)get_desc_buff->buff) == 0 )
 	{
@@ -1332,16 +1330,19 @@ static void complete_cmd( const wchar_t *cmd,
 			{
 				wchar_t *nxt = (wchar_t *)al_get( &tmp, i );
 				
-				wchar_t *desc = wcsrchr( nxt, COMPLETE_SEP )+1;
-				int is_valid = (desc && (wcscmp(desc, 
-												COMPLETE_DIRECTORY_DESC)==0));
-				if( is_valid )
+				wchar_t *desc = wcsrchr( nxt, COMPLETE_SEP );
+				if( desc )
 				{
-					al_push( comp, nxt );
-				}
-				else
-				{
-					free(nxt);
+					int is_valid = desc && (wcscmp(desc+1, 
+												   COMPLETE_DIRECTORY_DESC)==0);
+					if( is_valid )
+					{
+						al_push( comp, nxt );
+					}
+					else
+					{
+						free(nxt);
+					}
 				}
 			}
 		}
diff --git a/init/fish.in b/init/fish.in
index a07a884ef..7cc3c865d 100644
--- a/init/fish.in
+++ b/init/fish.in
@@ -43,7 +43,7 @@ if status --is-login
 	end
 
 	if test -f /etc/sysconfig/i18n
-		eval (cat /etc/sysconfig/i18n |sed -ne 's/^\([a-zA-Z]*\)=\(.*\)$/set -gx \1 \2;/')
+		eval (cat /etc/sysconfig/i18n |sed -ne 's/^\([a-zA-Z]*\)=\(.*\)$/set -gx \1 \2;/p')
 	end
 end
 
diff --git a/wildcard.c b/wildcard.c
index c008d3ab7..a6b1d7214 100644
--- a/wildcard.c
+++ b/wildcard.c
@@ -150,27 +150,34 @@ static int wildcard_complete_internal( const wchar_t *orig,
 			sep = wcschr(new, PROG_COMPLETE_SEP );
 			*sep = COMPLETE_SEP;			
 		}
-		else if( desc_func )
-		{
-			/*
-			  A descripton generating function is specified, use it
-			*/
-			new = wcsdupcat2( str, COMPLETE_SEP_STR, desc_func( orig ), (void *)0);			
-		}
 		else
 		{
+			wchar_t *this_desc = desc;
+			
+			if( desc_func )
+			{
+				/*
+				  A descripton generating function is specified, call
+				  it. If it returns something, use that as the
+				  description.
+				*/
+				wchar_t *func_desc = desc_func( orig );
+				if( func_desc )
+					this_desc = func_desc;
+			}
+			
 			/*
-			  Append generic description to item, if the description exists
+			  Append description to item, if a description exists
 			*/
-			if( desc && wcslen(desc) )
+			if( this_desc && wcslen(this_desc) )
 			{
 				/*
 				  Check if the description already contains a separator character, if not, prepend it
 				*/
-				if( wcschr( desc, COMPLETE_SEP ) )
-					new = wcsdupcat2( str, desc, (void *)0 );
+				if( wcschr( this_desc, COMPLETE_SEP ) )
+					new = wcsdupcat2( str, this_desc, (void *)0 );
 				else
-					new = wcsdupcat2( str, COMPLETE_SEP_STR, desc, (void *)0 );
+					new = wcsdupcat2( str, COMPLETE_SEP_STR, this_desc, (void *)0 );
 			}
 			else
 				new = wcsdup( str );
@@ -328,7 +335,7 @@ static int test_flags( wchar_t *filename,
 	struct stat buf;
 	if( wstat( filename, &buf ) == -1 )
 	{
-		return 1;
+		return 0;
 	}
 		
 	if( S_IFDIR & buf.st_mode )