* gdb_string.h: Moved to ...

	* common/gdb_string.h: ... here.
	* common/vec.h: Remove #ifndef GDBSERVER conditional inclusion of
	gdb_string.h and gdb_assert.h.

	gdbserver/
	* configure.ac: Add check for strstr.
	* config.in: Regenerate.
	* configure: Regenerate.

	* linux-thread-db.c: #include "gdb_vecs.h".
	(try_thread_db_load_from_pdir_1): New arg "subdir".  All callers
	updated.
	(try_thread_db_load_from_pdir): New arg "subdir".  All callers updated.
	(thread_db_load_search): Use a vector to iterate over path elements.
	Handle text appearing after "$pdir".

	gdbserver/
	* Makefile.in (SFILES): Add gdb_vecs.c.
	(OBS): Add gdb_vecs.o.
	(gdb_vecs_h, host_defs_h): New variables.
	(thread-db.o): Add $(gdb_vecs_h) dependency.
	(gdb_vecs.o): New rule.
	* thread-db.c: #include "gdb_vecs.h".
	(thread_db_load_search): Use a vector to iterate over path elements.
	Handle text appearing after "$pdir".

1 files changed, 14 insertions, 20 deletions

diff --git a/gdb/gdbserver/thread-db.c b/gdb/gdbserver/thread-db.c
index 795f9267ddb..4a59df613c1 100644
--- a/gdb/gdbserver/thread-db.c
+++ b/gdb/gdbserver/thread-db.c
@@ -28,6 +28,7 @@ static int thread_db_use_events;
 
 #include "gdb_proc_service.h"
 #include "gdb_thread_db.h"
+#include "gdb_vecs.h"
 
 #ifndef USE_LIBTHREAD_DB_DIRECTLY
 #include <dlfcn.h>
@@ -741,39 +742,31 @@ try_thread_db_load_from_dir (const char *dir, size_t dir_len)
 static int
 thread_db_load_search (void)
 {
-  const char *search_path;
-  int rc = 0;
+  VEC (char_ptr) *dir_vec;
+  char *this_dir;
+  int i, rc = 0;
 
   if (libthread_db_search_path == NULL)
     libthread_db_search_path = xstrdup (LIBTHREAD_DB_SEARCH_PATH);
 
-  search_path = libthread_db_search_path;
-  while (*search_path)
+  dir_vec = dirnames_to_char_ptr_vec (libthread_db_search_path);
+
+  for (i = 0; VEC_iterate (char_ptr, dir_vec, i, this_dir); ++i)
     {
-      const char *end = strchr (search_path, ':');
-      const char *this_dir = search_path;
+      const int pdir_len = sizeof ("$pdir") - 1;
       size_t this_dir_len;
 
-      if (end)
-	{
-	  this_dir_len = end - search_path;
-	  search_path += this_dir_len + 1;
-	}
-      else
-	{
-	  this_dir_len = strlen (this_dir);
-	  search_path += this_dir_len;
-	}
+      this_dir_len = strlen (this_dir);
 
-      if (this_dir_len == sizeof ("$pdir") - 1
-	  && strncmp (this_dir, "$pdir", this_dir_len) == 0)
+      if (strncmp (this_dir, "$pdir", pdir_len) == 0
+	  && (this_dir[pdir_len] == '\0'
+	      || this_dir[pdir_len] == '/'))
 	{
 	  /* We don't maintain a list of loaded libraries so we don't know
 	     where libpthread lives.  We *could* fetch the info, but we don't
 	     do that yet.  Ignore it.  */
 	}
-      else if (this_dir_len == sizeof ("$sdir") - 1
-	       && strncmp (this_dir, "$sdir", this_dir_len) == 0)
+      else if (strcmp (this_dir, "$sdir") == 0)
 	{
 	  if (try_thread_db_load_from_sdir ())
 	    {
@@ -791,6 +784,7 @@ thread_db_load_search (void)
 	}
     }
 
+  free_char_ptr_vec (dir_vec);
   if (debug_threads)
     fprintf (stderr, "thread_db_load_search returning %d\n", rc);
   return rc;