Mercurial > ~dholland > hg > ag > index.cgi
annotate examples/dsl/redirect.h @ 3:e23ad76d0588
Document the LaTeX packages used in the install notes.
author | David A. Holland |
---|---|
date | Sun, 26 Apr 2009 18:23:33 -0400 |
parents | 13d2b8934445 |
children | 607e3be6bad8 |
rev | line source |
---|---|
0
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
1 /***** |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
2 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
3 AnaGram Programming Examples |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
4 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
5 A Dos Script Language |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
6 Redirection Class Definition |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
7 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
8 Copyright 1993 Parsifal Software. All Rights Reserved. |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
9 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
10 This software is provided 'as-is', without any express or implied |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
11 warranty. In no event will the authors be held liable for any damages |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
12 arising from the use of this software. |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
13 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
14 Permission is granted to anyone to use this software for any purpose, |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
15 including commercial applications, and to alter it and redistribute it |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
16 freely, subject to the following restrictions: |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
17 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
18 1. The origin of this software must not be misrepresented; you must not |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
19 claim that you wrote the original software. If you use this software |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
20 in a product, an acknowledgment in the product documentation would be |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
21 appreciated but is not required. |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
22 2. Altered source versions must be plainly marked as such, and must not be |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
23 misrepresented as being the original software. |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
24 3. This notice may not be removed or altered from any source distribution. |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
25 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
26 *****/ |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
27 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
28 #ifndef REDIRECT_H |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
29 #define REDIRECT_H |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
30 #include <sys/types.h> |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
31 #include <sys/stat.h> |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
32 #include <stdio.h> |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
33 #include <string.h> |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
34 #include <fcntl.h> |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
35 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
36 #if defined(__MSDOS__) || defined(__WINDOWS__) |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
37 #include <io.h> |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
38 #else |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
39 #include <unistd.h> |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
40 #include <stdlib.h> |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
41 #define O_TEXT 0 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
42 #define O_BINARY 0 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
43 #define tell(fd) lseek(fd, 0, SEEK_CUR) |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
44 /* This is only meant to compile, not run. (Unix) */ |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
45 #define filelength(fd) ((void)(fd), 0) |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
46 #endif |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
47 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
48 #define STDIN 0 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
49 #define STDOUT 1 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
50 #define STDERR 2 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
51 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
52 class redirect { |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
53 int handle; // actual handle |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
54 int old_handle; // old handle |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
55 char name[L_tmpnam]; // temporary name, if any |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
56 int copy_flag; // is it live or is it memorex? |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
57 public: |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
58 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
59 // Constructors |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
60 redirect(int h); |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
61 redirect(int h, char *file_name, int append_flag = 0); |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
62 redirect(redirect &); |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
63 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
64 // Reset |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
65 friend redirect &reset(redirect &e) { |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
66 lseek(e.handle,0,0); |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
67 return e; |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
68 } |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
69 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
70 // Destructor |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
71 ~redirect(); |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
72 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
73 // Save resultant file |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
74 friend char *save_file(redirect &s); |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
75 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
76 // Extract contents |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
77 friend char *content(redirect &s); |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
78 }; |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
79 |
13d2b8934445
Import AnaGram (near-)release tree into Mercurial.
David A. Holland
parents:
diff
changeset
|
80 #endif |