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[svn r136] MAJOR UNSTABLE UPDATE!!! Initial commit after moving to Tango instead of Phobos. Lots of bugfixes... This build is not suitable for most things.
author lindquist
date Fri, 11 Jan 2008 17:57:40 +0100
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131:5825d48b27d1 132:1700239cab2e
1 /*******************************************************************************
2
3 copyright: Copyright (c) 2006 Keinfarbton. All rights reserved
4
5 license: BSD style: $(LICENSE)
6
7 version: Initial release: October 2006
8
9 author: Keinfarbton
10
11 *******************************************************************************/
12
13 module tango.stdc.stringz;
14
15 /*********************************
16 * Convert array of chars s[] to a C-style 0 terminated string.
17 */
18
19 char* toStringz (char[] s)
20 {
21 if (s.ptr)
22 if (! (s.length && s[$-1] is 0))
23 s = s ~ '\0';
24 return s.ptr;
25 }
26
27 /*********************************
28 * Convert a C-style 0 terminated string to an array of char
29 */
30
31 char[] fromUtf8z (char* s)
32 {
33 return s ? s[0 .. strlenz(s)] : null;
34 }
35
36 /*********************************
37 * Convert array of wchars s[] to a C-style 0 terminated string.
38 */
39
40 wchar* toString16z (wchar[] s)
41 {
42 if (s.ptr)
43 if (! (s.length && s[$-1] is 0))
44 s = s ~ "\0"w;
45 return s.ptr;
46 }
47
48 /*********************************
49 * Convert a C-style 0 terminated string to an array of wchar
50 */
51
52 wchar[] fromUtf16z (wchar* s)
53 {
54 return s ? s[0 .. strlenz(s)] : null;
55 }
56
57 /*********************************
58 * portable strlen
59 */
60
61 size_t strlenz(T) (T* s)
62 {
63 size_t i;
64
65 if (s)
66 while (*s++)
67 ++i;
68 return i;
69 }
70
71
72
73 debug (UnitTest)
74 {
75 import tango.stdc.stdio;
76
77 unittest
78 {
79 debug(string) printf("stdc.stringz.unittest\n");
80
81 char* p = toStringz("foo");
82 assert(strlenz(p) == 3);
83 char foo[] = "abbzxyzzy";
84 p = toStringz(foo[3..5]);
85 assert(strlenz(p) == 2);
86
87 char[] test = "\0";
88 p = toStringz(test);
89 assert(*p == 0);
90 assert(p == test.ptr);
91 }
92 }
93