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Linux: Fix memory leak when inotify init failed

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This introduces regex_compiled boolean to track whether the regex is
compiled successfully.

Closes #2229
This commit is contained in:
Michael Skec 2023-11-09 15:04:19 +11:00 committed by Camilla Löwy
parent 0bd3e879e1
commit c992226a9c
2 changed files with 7 additions and 2 deletions
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8
src/linux_joystick.c
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@ -326,7 +326,9 @@ GLFWbool _glfwInitJoysticksLinux(void)
// Continue without device connection notifications if inotify fails
if (regcomp(&_glfw.linjs.regex, "^event[0-9]\\+$", 0) != 0)
_glfw.linjs.regex_compiled = regcomp(&_glfw.linjs.regex,
"^event[0-9]\\+$", 0) == 0;
if (!_glfw.linjs.regex_compiled)
{
_glfwInputError(GLFW_PLATFORM_ERROR, "Linux: Failed to compile regex");
return GLFW_FALSE;
@ -378,8 +380,10 @@ void _glfwTerminateJoysticksLinux(void)
inotify_rm_watch(_glfw.linjs.inotify, _glfw.linjs.watch);
close(_glfw.linjs.inotify);
regfree(&_glfw.linjs.regex);
}
if (_glfw.linjs.regex_compiled)
regfree(&_glfw.linjs.regex);
}
GLFWbool _glfwPollJoystickLinux(_GLFWjoystick* js, int mode)

1
src/linux_joystick.h
View File

@ -50,6 +50,7 @@ typedef struct _GLFWlibraryLinux
int inotify;
int watch;
regex_t regex;
GLFWbool regex_compiled;
GLFWbool dropped;
} _GLFWlibraryLinux;