FLTK 1.3.9: Fl_Native_File_Chooser_common.cxx Source File

FLTK 1.3.9

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Fl_Native_File_Chooser_common.cxx
1// "$Id$"
2//
3// FLTK native OS file chooser widget
4//
5// Copyright 1998-2010 by Bill Spitzak and others.
6// Copyright 2004 Greg Ercolano.
7//
8// This library is free software. Distribution and use rights are outlined in
9// the file "COPYING" which should have been included with this file. If this
10// file is missing or damaged, see the license at:
11//
12// http://www.fltk.org/COPYING.php
13//
14// Please report all bugs and problems to:
15//
16// http://www.fltk.org/str.php
17//
18
19#include <string.h>
20#include <FL/Enumerations.H>
21
22// COPY A STRING WITH 'new'
23// Value can be NULL
24//
25static char *strnew(const char *val) {
26 if ( val == NULL ) return(NULL);
27 char *s = new char[strlen(val)+1];
28 strcpy(s, val);
29 return(s);
30}
31
32// FREE STRING CREATED WITH strnew(), NULLS OUT STRING
33// Value can be NULL
34//
35static char *strfree(char *val) {
36 if ( val ) delete [] val;
37 return(NULL);
38}
39
40// 'DYNAMICALLY' APPEND ONE STRING TO ANOTHER
41// Returns newly allocated string, or NULL
42// if s && val == NULL.
43// 's' can be NULL; returns a strnew(val).
44// 'val' can be NULL; s is returned unmodified.
45//
46// Usage:
47// char *s = strnew("foo"); // s = "foo"
48// s = strapp(s, "bar"); // s = "foobar"
49//
50#if !defined(WIN32)
51static char *strapp(char *s, const char *val) {
52 if ( ! val ) {
53 return(s); // Nothing to append? return s
54 }
55 if ( ! s ) {
56 return(strnew(val)); // New string? return copy of val
57 }
58 char *news = new char[strlen(s)+strlen(val)+1];
59 strcpy(news, s);
60 strcat(news, val);
61 delete [] s; // delete old string
62 return(news); // return new copy
63}
64#endif
65
66// APPEND A CHARACTER TO A STRING
67// This does NOT allocate space for the new character.
68//
69static void chrcat(char *s, char c) {
70 char tmp[2] = { c, '\0' };
71 strcat(s, tmp);
72}
73
74
75//
76// End of "$Id$".
77//
Enumerations.H
This file contains type definitions and general enumerations.