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Add more function input validation checks

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darcs-hash:20060608235212-ac50b-25fd55f96356af65d4da1eec100cc954b4a9f81e.gz
This commit is contained in:
axel
2006-06-09 09:52:12 +10:00
parent 93ae00e8e5
commit f7118e769f
8 changed files with 162 additions and 16 deletions
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25
builtin.c
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@@ -2946,6 +2946,12 @@ void builtin_destroy()
int builtin_exists( wchar_t *cmd )
{
if( !cmd )
{
debug( 0, L"%s called with null input", __func__ );
return 0;
}
/*
Count is not a builtin, but it's help is handled internally by
fish, so it is in the hash_table_t.
@@ -2976,6 +2982,13 @@ static int internal_help( wchar_t *cmd )
int builtin_run( wchar_t **argv )
{
int (*cmd)(wchar_t **argv)=0;
if( !argv || !argv[0] )
{
debug( 0, L"%s called with null input", __func__ );
return 1;
}
cmd = (int (*)(wchar_t **))hash_get( &builtin, argv[0] );
if( argv[1] != 0 && !internal_help(argv[0]) )
@@ -3005,11 +3018,23 @@ int builtin_run( wchar_t **argv )
void builtin_get_names( array_list_t *list )
{
if( !list )
{
debug( 0, L"%s called with null input", __func__ );
return;
}
hash_get_keys( &builtin, list );
}
const wchar_t *builtin_get_desc( const wchar_t *b )
{
if( !b )
{
debug( 0, L"%s called with null input", __func__ );
return 0;
}
if( !desc )
{