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annotate docs/man3/SDL_EnableUNICODE.3 @ 4355:9b464226e541 SDL-1.2

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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>
date Sun, 18 Oct 2009 17:31:37 +0000
parents 1238da4a7112
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1 .TH "SDL_EnableUNICODE" "3" "Tue 11 Sep 2001, 22:59" "SDL" "SDL API Reference"
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2 .SH "NAME"
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3 SDL_EnableUNICODE \- Enable UNICODE translation
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4 .SH "SYNOPSIS"
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5 .PP
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6 \fB#include "SDL\&.h"
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7 .sp
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8 \fBint \fBSDL_EnableUNICODE\fP\fR(\fBint enable\fR);
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9 .SH "DESCRIPTION"
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10 .PP
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11 Enables/Disables Unicode keyboard translation\&.
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12 .PP
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13 To obtain the character codes corresponding to received keyboard events, Unicode translation must first be turned on using this function\&. The translation incurs a slight overhead for each keyboard event and is therefore disabled by default\&. For each subsequently received key down event, the \fBunicode\fR member of the \fI\fBSDL_keysym\fR\fR structure will then contain the corresponding character code, or zero for keysyms that do not correspond to any character code\&.
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14 .PP
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15 A value of 1 for \fBenable\fR enables Unicode translation; 0 disables it, and -1 leaves it unchanged (useful for querying the current translation mode)\&.
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16 .PP
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17 Note that only key press events will be translated, not release events\&.
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18 .SH "RETURN VALUE"
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19 .PP
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20 Returns the previous translation mode (\fB0\fR or \fB1\fR)\&.
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21 .SH "SEE ALSO"
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22 .PP
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23 \fI\fBSDL_keysym\fR\fR
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24 .\" created by instant / docbook-to-man, Tue 11 Sep 2001, 22:59