From 9fe4a2165de29f0802f0f9eb4801875e0f15c40a Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Thu, 30 Oct 2008 18:42:28 +0000
Subject: 	* source.c (symtab_to_fullname): Test 'r >= 0'. 
 (psymtab_to_fullname): Likewise. 	(get_filename_and_charpos): Make a
 cleanup. 	(forward_search_command): Likewise. 
 (reverse_search_command): Likewise. 	* exec.c (exec_file_attach): Close
 scratch_chan on failure. 	* nto-procfs.c (procfs_open): Make a cleanup. 
 (procfs_pidlist): Likewise. 	(do_closedir_cleanup): New function.

---
 gdb/source.c | 40 +++++++++++++++++++---------------------
 1 file changed, 19 insertions(+), 21 deletions(-)

(limited to 'gdb/source.c')

diff --git a/gdb/source.c b/gdb/source.c
index 3ef557c..c41c193 100644
--- a/gdb/source.c
+++ b/gdb/source.c
@@ -1064,7 +1064,7 @@ symtab_to_fullname (struct symtab *s)
   r = find_and_open_source (s->objfile, s->filename, s->dirname,
 			    &s->fullname);
 
-  if (r)
+  if (r >= 0)
     {
       close (r);
       return s->fullname;
@@ -1093,7 +1093,7 @@ psymtab_to_fullname (struct partial_symtab *ps)
   r = find_and_open_source (ps->objfile, ps->filename, ps->dirname,
 			    &ps->fullname);
 
-  if (r) 
+  if (r >= 0)
     {
       close (r);
       return ps->fullname;
@@ -1251,6 +1251,7 @@ static int
 get_filename_and_charpos (struct symtab *s, char **fullname)
 {
   int desc, linenums_changed = 0;
+  struct cleanup *cleanups;
 
   desc = open_source_file (s);
   if (desc < 0)
@@ -1259,13 +1260,14 @@ get_filename_and_charpos (struct symtab *s, char **fullname)
 	*fullname = NULL;
       return 0;
     }
+  cleanups = make_cleanup_close (desc);
   if (fullname)
     *fullname = s->fullname;
   if (s->line_charpos == 0)
     linenums_changed = 1;
   if (linenums_changed)
     find_source_lines (s, desc);
-  close (desc);
+  do_cleanups (cleanups);
   return linenums_changed;
 }
 
@@ -1540,6 +1542,7 @@ forward_search_command (char *regex, int from_tty)
   FILE *stream;
   int line;
   char *msg;
+  struct cleanup *cleanups;
 
   line = last_line_listed + 1;
 
@@ -1553,24 +1556,21 @@ forward_search_command (char *regex, int from_tty)
   desc = open_source_file (current_source_symtab);
   if (desc < 0)
     perror_with_name (current_source_symtab->filename);
+  cleanups = make_cleanup_close (desc);
 
   if (current_source_symtab->line_charpos == 0)
     find_source_lines (current_source_symtab, desc);
 
   if (line < 1 || line > current_source_symtab->nlines)
-    {
-      close (desc);
-      error (_("Expression not found"));
-    }
+    error (_("Expression not found"));
 
   if (lseek (desc, current_source_symtab->line_charpos[line - 1], 0) < 0)
-    {
-      close (desc);
-      perror_with_name (current_source_symtab->filename);
-    }
+    perror_with_name (current_source_symtab->filename);
 
+  discard_cleanups (cleanups);
   stream = fdopen (desc, FDOPEN_MODE);
   clearerr (stream);
+  cleanups = make_cleanup_fclose (stream);
   while (1)
     {
       static char *buf = NULL;
@@ -1622,7 +1622,7 @@ forward_search_command (char *regex, int from_tty)
     }
 
   printf_filtered (_("Expression not found\n"));
-  fclose (stream);
+  do_cleanups (cleanups);
 }
 
 static void
@@ -1633,6 +1633,7 @@ reverse_search_command (char *regex, int from_tty)
   FILE *stream;
   int line;
   char *msg;
+  struct cleanup *cleanups;
 
   line = last_line_listed - 1;
 
@@ -1646,24 +1647,21 @@ reverse_search_command (char *regex, int from_tty)
   desc = open_source_file (current_source_symtab);
   if (desc < 0)
     perror_with_name (current_source_symtab->filename);
+  cleanups = make_cleanup_close (desc);
 
   if (current_source_symtab->line_charpos == 0)
     find_source_lines (current_source_symtab, desc);
 
   if (line < 1 || line > current_source_symtab->nlines)
-    {
-      close (desc);
-      error (_("Expression not found"));
-    }
+    error (_("Expression not found"));
 
   if (lseek (desc, current_source_symtab->line_charpos[line - 1], 0) < 0)
-    {
-      close (desc);
-      perror_with_name (current_source_symtab->filename);
-    }
+    perror_with_name (current_source_symtab->filename);
 
+  discard_cleanups (cleanups);
   stream = fdopen (desc, FDOPEN_MODE);
   clearerr (stream);
+  cleanups = make_cleanup_fclose (stream);
   while (line > 1)
     {
 /* FIXME!!!  We walk right off the end of buf if we get a long line!!! */
@@ -1709,7 +1707,7 @@ reverse_search_command (char *regex, int from_tty)
     }
 
   printf_filtered (_("Expression not found\n"));
-  fclose (stream);
+  do_cleanups (cleanups);
   return;
 }
 
-- 
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