This is jinclude.h in view mode; [Download] [Up]
/* * jinclude.h * * Copyright (C) 1991, Thomas G. Lane. * This file is part of the Independent JPEG Group's software. * For conditions of distribution and use, see the accompanying README file. * * This is the central file that's #include'd by all the JPEG .c files. * Its purpose is to provide a single place to fix any problems with * including the wrong system include files. * You can edit these declarations if you use a system with nonstandard * system include files. */ /* * <stdio.h> is included to get the FILE typedef and NULL macro. * Note that the core portable-JPEG files do not actually do any I/O * using the stdio library; only the user interface, error handler, * and file reading/writing modules invoke any stdio functions. * (Well, we did cheat a bit in jvirtmem.c, but only if MEM_STATS is defined.) */ #include <stdio.h> /* * We need the size_t typedef, which defines the parameter type of malloc(). * In an ANSI-conforming implementation this is provided by <stdio.h>, * but on non-ANSI systems it's more likely to be in <sys/types.h>. */ #ifndef __STDC__ /* shouldn't need this if __STDC__ */ #include <sys/types.h> #endif /* * In ANSI C, and indeed any rational implementation, size_t is also the * type returned by sizeof(). However, it seems there are some irrational * implementations out there, in which sizeof() returns an int even though * size_t is defined as long or unsigned long. To ensure consistent results * we always use this SIZEOF() macro in place of using sizeof() directly. */ #define SIZEOF(object) ((size_t) sizeof(object)) /* * We need the memcpy() and strcmp() functions, plus memory zeroing. * ANSI and System V implementations declare these in <string.h>. * BSD doesn't have the mem() functions, but it does have bcopy()/bzero(). * NOTE: we assume the size parameters to these functions are of type size_t. * Insert casts in these macros if not! */ #ifdef __STDC__ #include <string.h> #define MEMZERO(voidptr,size) memset((voidptr), 0, (size)) #else /* not STDC */ #ifdef BSD #include <strings.h> #define MEMZERO(voidptr,size) bzero((voidptr), (size)) #define memcpy(dest,src,size) bcopy((src), (dest), (size)) #else /* not BSD, assume Sys V or compatible */ #include <string.h> #define MEMZERO(voidptr,size) memset((voidptr), 0, (size)) #endif /* BSD */ #endif /* STDC */ /* Now include the portable JPEG definition files. */ #include "jconfig.h" #include "jpegdata.h"
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.