Mercurial > sdl-ios-xcode
annotate docs/html/guidepreface.html @ 4355:9b464226e541 SDL-1.2
Fixed bug #855
Ludwig Nussel 2009-10-18 06:31:52 PDT
an mprotect call was added to fix bug 528. However that results in a buffer
that allows writing and code execution. Ie the no-execute security features of
modern operating systems are defeated this way. Two mprotect calls are needed.
One to make the buffer executable but not writeable when done and another one
to make the buffer writeable again if the content needs to be changed.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sun, 18 Oct 2009 17:31:37 +0000 |
parents | 355632dca928 |
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rev | line source |
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0 | 1 <HTML |
2 ><HEAD | |
3 ><TITLE | |
4 >Preface</TITLE | |
5 ><META | |
6 NAME="GENERATOR" | |
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7 CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ |
0 | 8 "><LINK |
9 REL="HOME" | |
10 TITLE="SDL Library Documentation" | |
11 HREF="index.html"><LINK | |
12 REL="UP" | |
13 TITLE="SDL Guide" | |
14 HREF="guide.html"><LINK | |
15 REL="PREVIOUS" | |
16 TITLE="SDL Guide" | |
17 HREF="guide.html"><LINK | |
18 REL="NEXT" | |
19 TITLE="About SDLdoc" | |
20 HREF="guideaboutsdldoc.html"></HEAD | |
21 ><BODY | |
22 CLASS="PREFACE" | |
23 BGCOLOR="#FFF8DC" | |
24 TEXT="#000000" | |
25 LINK="#0000ee" | |
26 VLINK="#551a8b" | |
27 ALINK="#ff0000" | |
28 ><DIV | |
29 CLASS="NAVHEADER" | |
30 ><TABLE | |
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31 SUMMARY="Header navigation table" |
0 | 32 WIDTH="100%" |
33 BORDER="0" | |
34 CELLPADDING="0" | |
35 CELLSPACING="0" | |
36 ><TR | |
37 ><TH | |
38 COLSPAN="3" | |
39 ALIGN="center" | |
40 >SDL Library Documentation</TH | |
41 ></TR | |
42 ><TR | |
43 ><TD | |
44 WIDTH="10%" | |
45 ALIGN="left" | |
46 VALIGN="bottom" | |
47 ><A | |
48 HREF="guide.html" | |
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49 ACCESSKEY="P" |
0 | 50 >Prev</A |
51 ></TD | |
52 ><TD | |
53 WIDTH="80%" | |
54 ALIGN="center" | |
55 VALIGN="bottom" | |
56 ></TD | |
57 ><TD | |
58 WIDTH="10%" | |
59 ALIGN="right" | |
60 VALIGN="bottom" | |
61 ><A | |
62 HREF="guideaboutsdldoc.html" | |
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63 ACCESSKEY="N" |
0 | 64 >Next</A |
65 ></TD | |
66 ></TR | |
67 ></TABLE | |
68 ><HR | |
69 ALIGN="LEFT" | |
70 WIDTH="100%"></DIV | |
71 ><DIV | |
72 CLASS="PREFACE" | |
73 ><H1 | |
74 ><A | |
75 NAME="GUIDEPREFACE" | |
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76 ></A |
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77 >Preface</H1 |
0 | 78 ><DIV |
79 CLASS="TOC" | |
80 ><DL | |
81 ><DT | |
82 ><B | |
83 >Table of Contents</B | |
84 ></DT | |
85 ><DT | |
86 ><A | |
87 HREF="guidepreface.html#GUIDEABOUTSDL" | |
88 >About SDL</A | |
89 ></DT | |
90 ><DT | |
91 ><A | |
92 HREF="guideaboutsdldoc.html" | |
93 >About SDLdoc</A | |
94 ></DT | |
95 ><DT | |
96 ><A | |
97 HREF="guidecredits.html" | |
98 >Credits</A | |
99 ></DT | |
100 ></DL | |
101 ></DIV | |
102 ><DIV | |
103 CLASS="SECT1" | |
104 ><H1 | |
105 CLASS="SECT1" | |
106 ><A | |
107 NAME="GUIDEABOUTSDL" | |
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108 ></A |
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109 >About SDL</H1 |
0 | 110 ><P |
111 >The SDL library is designed to make it easy to write games that run on Linux, *BSD, MacOS, Win32 and BeOS using the various native high-performance media interfaces, (for video, audio, etc) and presenting a single source-code level API to your application. SDL is a fairly low level API, but using it, completely portable applications can be written with a great deal of flexibility.</P | |
112 ></DIV | |
113 ></DIV | |
114 ><DIV | |
115 CLASS="NAVFOOTER" | |
116 ><HR | |
117 ALIGN="LEFT" | |
118 WIDTH="100%"><TABLE | |
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119 SUMMARY="Footer navigation table" |
0 | 120 WIDTH="100%" |
121 BORDER="0" | |
122 CELLPADDING="0" | |
123 CELLSPACING="0" | |
124 ><TR | |
125 ><TD | |
126 WIDTH="33%" | |
127 ALIGN="left" | |
128 VALIGN="top" | |
129 ><A | |
130 HREF="guide.html" | |
803
355632dca928
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parents:
55
diff
changeset
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131 ACCESSKEY="P" |
0 | 132 >Prev</A |
133 ></TD | |
134 ><TD | |
135 WIDTH="34%" | |
136 ALIGN="center" | |
137 VALIGN="top" | |
138 ><A | |
139 HREF="index.html" | |
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355632dca928
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parents:
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diff
changeset
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140 ACCESSKEY="H" |
0 | 141 >Home</A |
142 ></TD | |
143 ><TD | |
144 WIDTH="33%" | |
145 ALIGN="right" | |
146 VALIGN="top" | |
147 ><A | |
148 HREF="guideaboutsdldoc.html" | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
|
149 ACCESSKEY="N" |
0 | 150 >Next</A |
151 ></TD | |
152 ></TR | |
153 ><TR | |
154 ><TD | |
155 WIDTH="33%" | |
156 ALIGN="left" | |
157 VALIGN="top" | |
158 >SDL Guide</TD | |
159 ><TD | |
160 WIDTH="34%" | |
161 ALIGN="center" | |
162 VALIGN="top" | |
163 ><A | |
164 HREF="guide.html" | |
803
355632dca928
Updated SDL HTML documentation
Sam Lantinga <slouken@libsdl.org>
parents:
55
diff
changeset
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165 ACCESSKEY="U" |
0 | 166 >Up</A |
167 ></TD | |
168 ><TD | |
169 WIDTH="33%" | |
170 ALIGN="right" | |
171 VALIGN="top" | |
172 >About SDLdoc</TD | |
173 ></TR | |
174 ></TABLE | |
175 ></DIV | |
176 ></BODY | |
177 ></HTML | |
178 > |