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28 nishi 1 
/* $Id: avatar.c 29 2024-08-21 19:23:54Z nishi $ */
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#include "rv_avatar.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <png.h>
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void rv_avatar_generate(const char* name) {
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	FILE* f = fopen(name, "wb");
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	if(f == NULL) return;
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	png_structp pngp = NULL;
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	png_infop infop = NULL;
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	png_bytep row = NULL;
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	pngp = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
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	infop = png_create_info_struct(pngp);
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	if(setjmp(png_jmpbuf(pngp))) {
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		goto closeall;
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	}
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closeall:
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	fclose(f);
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	if(infop != NULL) png_free_data(pngp, infop, PNG_FREE_ALL, -1);
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	if(pngp != NULL) png_destroy_write_struct(&pngp, (png_infopp)NULL);
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	if(row != NULL) free(row);
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}