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Add support for checking the existance of specific variable array elements

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darcs-hash:20070130204344-ac50b-d006de7693722677d052f7559923753acd27a4a2.gz
This commit is contained in:
axel 2007-01-31 06:43:44 +10:00
parent dcad2ef17b
commit 55af8e4966
1 changed files with 47 additions and 2 deletions
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49
builtin_set.c
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@ -621,10 +621,55 @@ static int builtin_set( wchar_t **argv )
int i;
for( i=woptind; i<argc; i++ )
{
if( !env_exist( argv[i], scope ) )
wchar_t *arg = argv[i];
int slice=0;
if( !(dest = wcsdup(arg)))
{
retcode++;
DIE_MEM();
}
if( wcschr( dest, L'[' ) )
{
slice = 1;
*wcschr( dest, L'[' )=0;
}
if( slice )
{
array_list_t indexes;
array_list_t result;
int j;
al_init( &result );
al_init( &indexes );
tokenize_variable_array( env_get( dest ), &result );
if( !parse_index( &indexes, arg, dest, al_get_count( &result ) ) )
{
builtin_print_help( argv[0], sb_err );
retcode = 1;
break;
}
for( j=0; j<al_get_count( &indexes ); j++ )
{
long idx = al_get_long( &indexes, j );
if( idx < 1 || idx > al_get_count( &result ) )
{
retcode++;
}
}
}
else
{
if( !env_exist( arg, scope ) )
{
retcode++;
}
}
free( dest );
}
return retcode;