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Imported from ../bash-2.05b.tar.gz.

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This commit is contained in:
Jari Aalto 2002-07-17 14:10:11 +00:00
commit 7117c2d221
362 changed files with 34387 additions and 15063 deletions
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49
hashcmd.c
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@ -1,7 +1,7 @@
/* hashcmd.c - functions for managing a hash table mapping command names to
full pathnames. */
/* Copyright (C) 1997 Free Software Foundation, Inc.
/* Copyright (C) 1997-2002 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
@ -36,22 +36,19 @@
extern int hashing_enabled;
static int hashing_initialized = 0;
HASH_TABLE *hashed_filenames = (HASH_TABLE *)NULL;
HASH_TABLE *hashed_filenames;
static void phash_freedata __P((PTR_T));
void
initialize_filename_hashing ()
phash_create ()
{
if (hashing_initialized == 0)
{
hashed_filenames = make_hash_table (FILENAME_HASH_BUCKETS);
hashing_initialized = 1;
}
if (hashed_filenames == 0)
hashed_filenames = hash_create (FILENAME_HASH_BUCKETS);
}
static void
free_filename_data (data)
phash_freedata (data)
PTR_T data;
{
free (((PATH_DATA *)data)->path);
@ -59,39 +56,41 @@ free_filename_data (data)
}
void
flush_hashed_filenames ()
phash_flush ()
{
if (hashed_filenames)
flush_hash_table (hashed_filenames, free_filename_data);
hash_flush (hashed_filenames, phash_freedata);
}
/* Remove FILENAME from the table of hashed commands. */
void
remove_hashed_filename (filename)
int
phash_remove (filename)
const char *filename;
{
register BUCKET_CONTENTS *item;
if (hashing_enabled == 0 || hashed_filenames == 0)
return;
return 0;
item = remove_hash_item (filename, hashed_filenames);
item = hash_remove (filename, hashed_filenames, 0);
if (item)
{
if (item->data)
free_filename_data (item->data);
phash_freedata (item->data);
free (item->key);
free (item);
return 0;
}
return 1;
}
/* Place FILENAME (key) and FULL_PATH (data->path) into the
hash table. CHECK_DOT if non-null is for future calls to
find_hashed_filename (); it means that this file was found
phash_search (); it means that this file was found
in a directory in $PATH that is not an absolute pathname.
FOUND is the initial value for times_found. */
void
remember_filename (filename, full_path, check_dot, found)
phash_insert (filename, full_path, check_dot, found)
char *filename, *full_path;
int check_dot, found;
{
@ -100,16 +99,16 @@ remember_filename (filename, full_path, check_dot, found)
if (hashing_enabled == 0)
return;
if (hashed_filenames == 0 || hashing_initialized == 0)
initialize_filename_hashing ();
if (hashed_filenames == 0)
phash_create ();
item = add_hash_item (filename, hashed_filenames);
item = hash_insert (filename, hashed_filenames, 0);
if (item->data)
free (pathdata(item)->path);
else
{
item->key = savestring (filename);
item->data = (char *)xmalloc (sizeof (PATH_DATA));
item->data = xmalloc (sizeof (PATH_DATA));
}
pathdata(item)->path = savestring (full_path);
pathdata(item)->flags = 0;
@ -126,7 +125,7 @@ remember_filename (filename, full_path, check_dot, found)
returns a newly-allocated string; the caller is responsible
for freeing it. */
char *
find_hashed_filename (filename)
phash_search (filename)
const char *filename;
{
register BUCKET_CONTENTS *item;
@ -136,7 +135,7 @@ find_hashed_filename (filename)
if (hashing_enabled == 0 || hashed_filenames == 0)
return ((char *)NULL);
item = find_hash_item (filename, hashed_filenames);
item = hash_search (filename, hashed_filenames, 0);
if (item == NULL)
return ((char *)NULL);