#include <stdio.h>#include <stdlib.h>#if defined(__linux__)#include <stdint.h>#else#ifdef __CYGWIN__#include "elf.h"#else#include <inttypes.h>#endif#endiftypedef struct bitmap_s {		/* bitmap description */	uint16_t width;	uint16_t height;	uint8_t	palette[256*3];	uint8_t	*data;} bitmap_t;#define DEFAULT_CMAP_SIZE	16	/* size of default color map	*//* * Neutralize little endians. */uint16_t le_short(uint16_t x){    uint16_t val;    uint8_t *p = (uint8_t *)(&x);    val =  (*p++ & 0xff) << 0;    val |= (*p & 0xff) << 8;    return val;}void skip_bytes (FILE *fp, int n){	while (n-- > 0)		fgetc (fp);}int main (int argc, char *argv[]){	int	i, x;	FILE	*fp;	bitmap_t bmp;	bitmap_t *b = &bmp;	uint16_t data_offset, n_colors;	if (argc < 2) {		fprintf (stderr, "Usage: %s file\n", argv[0]);		exit (EXIT_FAILURE);	}	if ((fp = fopen (argv[1], "rb")) == NULL) {		perror (argv[1]);		exit (EXIT_FAILURE);	}	if (fgetc (fp) != 'B' || fgetc (fp) != 'M') {		fprintf (stderr, "%s is not a bitmap file.\n", argv[1]);		exit (EXIT_FAILURE);	}	/*	 * read width and height of the image, and the number of colors used;	 * ignore the rest	 */	skip_bytes (fp, 8);	fread (&data_offset, sizeof (uint16_t), 1, fp);	skip_bytes (fp, 6);	fread (&b->width,   sizeof (uint16_t), 1, fp);	skip_bytes (fp, 2);	fread (&b->height,  sizeof (uint16_t), 1, fp);	skip_bytes (fp, 22);	fread (&n_colors, sizeof (uint16_t), 1, fp);	skip_bytes (fp, 6);	/*	 * Repair endianess.	 */	data_offset = le_short(data_offset);	b->width = le_short(b->width);	b->height = le_short(b->height);	n_colors = le_short(n_colors);	/* assume we are working with an 8-bit file */	if ((n_colors == 0) || (n_colors > 256 - DEFAULT_CMAP_SIZE)) {		/* reserve DEFAULT_CMAP_SIZE color map entries for default map */		n_colors = 256 - DEFAULT_CMAP_SIZE;	}	printf ("/*\n"		" * Automatically generated by \"tools/bmp_logo\"\n"		" *\n"		" * DO NOT EDIT\n"		" *\n"		" */\n\n\n"		"#ifndef __BMP_LOGO_H__\n"		"#define __BMP_LOGO_H__\n\n"		"#define BMP_LOGO_WIDTH\t\t%d\n"		"#define BMP_LOGO_HEIGHT\t\t%d\n"		"#define BMP_LOGO_COLORS\t\t%d\n"		"#define BMP_LOGO_OFFSET\t\t%d\n"		"\n",		b->width, b->height, n_colors,		DEFAULT_CMAP_SIZE);	/* allocate memory */	if ((b->data = (uint8_t *)malloc(b->width * b->height)) == NULL) {		fclose (fp);		printf ("Error allocating memory for file %s.\n", argv[1]);		exit (EXIT_FAILURE);	}	/* read and print the palette information */	printf ("unsigned short bmp_logo_palette[] = {\n");	for (i=0; i<n_colors; ++i) {		b->palette[(int)(i*3+2)] = fgetc(fp);		b->palette[(int)(i*3+1)] = fgetc(fp);		b->palette[(int)(i*3+0)] = fgetc(fp);		x=fgetc(fp);		printf ("%s0x0%X%X%X,%s",			((i%8) == 0) ? "\t" : "  ",			(b->palette[(int)(i*3+0)] >> 4) & 0x0F,			(b->palette[(int)(i*3+1)] >> 4) & 0x0F,			(b->palette[(int)(i*3+2)] >> 4) & 0x0F,			((i%8) == 7) ? "\n" : ""		);	}	/* seek to offset indicated by file header */	fseek(fp, (long)data_offset, SEEK_SET);	/* read the bitmap; leave room for default color map */	printf ("\n");	printf ("};\n");	printf ("\n");	printf ("unsigned char bmp_logo_bitmap[] = {\n");	for (i=(b->height-1)*b->width; i>=0; i-=b->width) {		for (x = 0; x < b->width; x++) {			b->data[(uint16_t) i + x] = (uint8_t) fgetc (fp) \						+ DEFAULT_CMAP_SIZE;		}	}	fclose (fp);	for (i=0; i<(b->height*b->width); ++i) {		if ((i%8) == 0)			putchar ('\t');		printf ("0x%02X,%c",			b->data[i],			((i%8) == 7) ? '\n' : ' '		);	}	printf ("\n"		"};\n\n"		"#endif /* __BMP_LOGO_H__ */\n"	);	return (0);}