#include "jinclude.h"
#include <ctype.h>
#include <fcntl.h>
#include <io.h>

Macros
#define	JPEG_CJPEG_DJPEG /* to get the command-line config symbols */

#define	READ_BINARY "rb"

#define	WRITE_BINARY "wb"

#define	EXIT_FAILURE 1

#define	EXIT_SUCCESS 0

#define	MAX_COM_LENGTH 65000L /* must be <= 65533 in any case */

#define	NEXTBYTE() getc(infile)

#define	PUTBYTE(x) putc((x), outfile)

#define	ERREXIT(msg) (fprintf(stderr, "%s\n", msg), exit(EXIT_FAILURE))

#define	M_SOF0 0xC0 /* Start Of Frame N */

#define	M_SOF1 0xC1 /* N indicates which compression process */

#define	M_SOF2 0xC2 /* Only SOF0-SOF2 are now in common use */

#define	M_SOF3 0xC3

#define	M_SOF5 0xC5 /* NB: codes C4 and CC are NOT SOF markers */

#define	M_SOF6 0xC6

#define	M_SOF7 0xC7

#define	M_SOF9 0xC9

#define	M_SOF10 0xCA

#define	M_SOF11 0xCB

#define	M_SOF13 0xCD

#define	M_SOF14 0xCE

#define	M_SOF15 0xCF

#define	M_SOI 0xD8 /* Start Of Image (beginning of datastream) */

#define	M_EOI 0xD9 /* End Of Image (end of datastream) */

#define	M_SOS 0xDA /* Start Of Scan (begins compressed data) */

#define	M_COM 0xFE /* COMment */

Functions
int	main (int argc, char **argv)

Macro Definition Documentation

◆ ERREXIT

#define ERREXIT ( msg ) (fprintf(stderr, "%s\n", msg), exit(EXIT_FAILURE))

Definition at line 87 of file wrjpgcom.c.

◆ EXIT_FAILURE

#define EXIT_FAILURE 1

Definition at line 51 of file wrjpgcom.c.

◆ EXIT_SUCCESS

#define EXIT_SUCCESS 0

Definition at line 57 of file wrjpgcom.c.

◆ JPEG_CJPEG_DJPEG

#define JPEG_CJPEG_DJPEG /* to get the command-line config symbols */

Definition at line 14 of file wrjpgcom.c.

◆ M_COM

#define M_COM 0xFE /* COMment */

Definition at line 173 of file wrjpgcom.c.

◆ M_EOI

#define M_EOI 0xD9 /* End Of Image (end of datastream) */

Definition at line 171 of file wrjpgcom.c.

◆ M_SOF0

#define M_SOF0 0xC0 /* Start Of Frame N */

Definition at line 157 of file wrjpgcom.c.

◆ M_SOF1

#define M_SOF1 0xC1 /* N indicates which compression process */

Definition at line 158 of file wrjpgcom.c.

◆ M_SOF10

#define M_SOF10 0xCA

Definition at line 165 of file wrjpgcom.c.

◆ M_SOF11

#define M_SOF11 0xCB

Definition at line 166 of file wrjpgcom.c.

◆ M_SOF13

#define M_SOF13 0xCD

Definition at line 167 of file wrjpgcom.c.

◆ M_SOF14

#define M_SOF14 0xCE

Definition at line 168 of file wrjpgcom.c.

◆ M_SOF15

#define M_SOF15 0xCF

Definition at line 169 of file wrjpgcom.c.

◆ M_SOF2

#define M_SOF2 0xC2 /* Only SOF0-SOF2 are now in common use */

Definition at line 159 of file wrjpgcom.c.

◆ M_SOF3

#define M_SOF3 0xC3

Definition at line 160 of file wrjpgcom.c.

◆ M_SOF5

#define M_SOF5 0xC5 /* NB: codes C4 and CC are NOT SOF markers */

Definition at line 161 of file wrjpgcom.c.

◆ M_SOF6

#define M_SOF6 0xC6

Definition at line 162 of file wrjpgcom.c.

◆ M_SOF7

#define M_SOF7 0xC7

Definition at line 163 of file wrjpgcom.c.

◆ M_SOF9

#define M_SOF9 0xC9

Definition at line 164 of file wrjpgcom.c.

◆ M_SOI

#define M_SOI 0xD8 /* Start Of Image (beginning of datastream) */

Definition at line 170 of file wrjpgcom.c.

◆ M_SOS

#define M_SOS 0xDA /* Start Of Scan (begins compressed data) */

Definition at line 172 of file wrjpgcom.c.

◆ MAX_COM_LENGTH

#define MAX_COM_LENGTH 65000L /* must be <= 65533 in any case */

Definition at line 66 of file wrjpgcom.c.

◆ NEXTBYTE

#define NEXTBYTE ( ) getc(infile)

Definition at line 78 of file wrjpgcom.c.

◆ PUTBYTE

#define PUTBYTE ( x ) putc((x), outfile)

Definition at line 83 of file wrjpgcom.c.

◆ READ_BINARY

#define READ_BINARY "rb"

Definition at line 45 of file wrjpgcom.c.

◆ WRITE_BINARY

#define WRITE_BINARY "wb"

Definition at line 46 of file wrjpgcom.c.

Function Documentation

◆ main()

int main	(	int	argc,
		char **	argv
	)

Definition at line 413 of file wrjpgcom.c.

References arg, marker, and NULL.

Macros

Functions