From f079a2e599ced3a094c9b70fb38cb9bdf9d746d1 Mon Sep 17 00:00:00 2001
From: Joel Brobecker <brobecker@gnat.com>
Date: Fri, 5 Apr 2002 16:42:04 +0000
Subject: [PATCH] (lookup_symtab): Use the new xfullpath function, in order to
 be able to match a filename with either the real filename, or the name of any
 symbolic link to this file. (lookup_partial_symtab): Ditto.

---
 gdb/symtab.c | 59 ++++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 46 insertions(+), 13 deletions(-)

diff --git a/gdb/symtab.c b/gdb/symtab.c
index bf6df51806..e32dcf761a 100644
--- a/gdb/symtab.c
+++ b/gdb/symtab.c
@@ -144,11 +144,17 @@ lookup_symtab (const char *name)
   register struct partial_symtab *ps;
   register struct objfile *objfile;
   char *real_path = NULL;
+  char *full_path = NULL;
 
   /* Here we are interested in canonicalizing an absolute path, not
      absolutizing a relative path.  */
   if (IS_ABSOLUTE_PATH (name))
-    real_path = gdb_realpath (name);
+    {
+      full_path = xfullpath (name);
+      make_cleanup (xfree, full_path);
+      real_path = gdb_realpath (name);
+      make_cleanup (xfree, real_path);
+    }
 
 got_symtab:
 
@@ -158,24 +164,32 @@ got_symtab:
   {
     if (FILENAME_CMP (name, s->filename) == 0)
       {
-	xfree (real_path);
 	return s;
       }
+      
     /* If the user gave us an absolute path, try to find the file in
        this symtab and use its absolute path.  */
+    
+    if (full_path != NULL)
+      {
+	const char *fp = symtab_to_filename (s);
+	if (FILENAME_CMP (full_path, fp) == 0)
+	  {
+	    return s;
+	  }
+      }
+
     if (real_path != NULL)
       {
-	char *rp = symtab_to_filename (s);
+        const char *rp = gdb_realpath (symtab_to_filename (s));
+        make_cleanup (xfree, rp);
 	if (FILENAME_CMP (real_path, rp) == 0)
 	  {
-	    xfree (real_path);
 	    return s;
 	  }
       }
   }
 
-  xfree (real_path);
-
   /* Now, search for a matching tail (only if name doesn't have any dirs) */
 
   if (lbasename (name) == name)
@@ -221,36 +235,55 @@ lookup_partial_symtab (const char *name)
 {
   register struct partial_symtab *pst;
   register struct objfile *objfile;
+  char *full_path = NULL;
   char *real_path = NULL;
 
   /* Here we are interested in canonicalizing an absolute path, not
      absolutizing a relative path.  */
   if (IS_ABSOLUTE_PATH (name))
-    real_path = gdb_realpath (name);
+    {
+      full_path = xfullpath (name);
+      make_cleanup (xfree, full_path);
+      real_path = gdb_realpath (name);
+      make_cleanup (xfree, real_path);
+    }
 
   ALL_PSYMTABS (objfile, pst)
   {
     if (FILENAME_CMP (name, pst->filename) == 0)
       {
-	xfree (real_path);
 	return (pst);
       }
+
     /* If the user gave us an absolute path, try to find the file in
        this symtab and use its absolute path.  */
-    if (real_path != NULL)
+    if (full_path != NULL)
       {
 	if (pst->fullname == NULL)
 	  source_full_path_of (pst->filename, &pst->fullname);
 	if (pst->fullname != NULL
-	    && FILENAME_CMP (real_path, pst->fullname) == 0)
+	    && FILENAME_CMP (full_path, pst->fullname) == 0)
 	  {
-	    xfree (real_path);
 	    return pst;
 	  }
       }
-  }
 
-  xfree (real_path);
+    if (real_path != NULL)
+      {
+        char *rp = NULL;
+	if (pst->fullname == NULL)
+	  source_full_path_of (pst->filename, &pst->fullname);
+        if (pst->fullname != NULL)
+          {
+            rp = gdb_realpath (pst->fullname);
+            make_cleanup (xfree, rp);
+          }
+	if (rp != NULL && FILENAME_CMP (real_path, rp) == 0)
+	  {
+	    return pst;
+	  }
+      }
+  }
 
   /* Now, search for a matching tail (only if name doesn't have any dirs) */
 
-- 
2.34.1