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c382e750d3
* freeglut.sourceforge.io * +x.org/xinput * deps * +mesa * deps & args * oops * double oops * more test * path to lib
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/*
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* ------------------------------------------
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* user_error_handler.c
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*
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* This is a sample program showing a basic
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* user defined error handlers with FreeGLUT
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* ------------------------------------------
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*/
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#include <GL/freeglut.h>
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/*
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* ------------------------------------------
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* Declare our own Error handler for FreeGLUT
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* ------------------------------------------
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*/
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/* This declares the vprintf() routine */
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#include <stdio.h>
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/* This declares the va_list type */
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#include <stdarg.h>
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/* The new handler looks like a vprintf prototype */
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void myError (const char *fmt, va_list ap)
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{
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fprintf(stderr, "myError: Entering user defined error handler\n");
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/* print warning message */
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fprintf(stderr, "myError:");
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, "\n");
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/* deInitialize the freeglut state */
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fprintf(stderr, "myError: Calling glutExit()\n");
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glutExit();
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/* terminate error handler appropriately */
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fprintf(stderr, "myError: Exit-ing handler routine\n");
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exit(1);
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}
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/*
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* ------------------------------------------
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* Just enough code to create the error to
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* demonstrate the user defined handler
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* ------------------------------------------
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*/
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int main(int argc, char** argv)
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{
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glutInitErrorFunc(&myError);
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glutCreateWindow ("error test"); /* This is an error! */
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glutInit(&argc, argv); /* Should be called
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after glutInit() */
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glutMainLoop();
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return 0;
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} |