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/*
* jinclude.h
*
* This file was part of the Independent JPEG Group's software:
* Copyright (C) 1991-1994, Thomas G. Lane.
* libjpeg-turbo Modifications:
* Copyright (C) 2022, D. R. Commander.
* For conditions of distribution and use, see the accompanying README.ijg
* file.
*
* This file exists to provide a single place to fix any problems with
* including the wrong system include files. (Common problems are taken
* care of by the standard jconfig symbols, but on really weird systems
* you may have to edit this file.)
*
* NOTE: this file is NOT intended to be included by applications using the
* JPEG library. Most applications need only include jpeglib.h.
*/
#ifndef __JINCLUDE_H__
#define __JINCLUDE_H__
/* Include auto-config file to find out which system include files we need. */
#include "jconfig.h" /* auto configuration options */
#include "jconfigint.h"
#define JCONFIG_INCLUDED /* so that jpeglib.h doesn't do it again */
/*
* Note that the core JPEG library does not require <stdio.h>;
* only the default error handler and data source/destination modules do.
* But we must pull it in because of the references to FILE in jpeglib.h.
* You can remove those references if you want to compile without <stdio.h>.
*/
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
/*
* These macros/inline functions facilitate using Microsoft's "safe string"
* functions with Visual Studio builds without the need to scatter #ifdefs
* throughout the code base.
*/
#ifdef _MSC_VER
#define SNPRINTF(str, n, format, ...) \
_snprintf_s(str, n, _TRUNCATE, format, ##__VA_ARGS__)
#else
#define SNPRINTF snprintf
#endif
#ifndef NO_GETENV
#ifdef _MSC_VER
static INLINE int GETENV_S(char *buffer, size_t buffer_size, const char *name)
{
size_t required_size;
return (int)getenv_s(&required_size, buffer, buffer_size, name);
}
#else /* _MSC_VER */
#include <errno.h>
/* This provides a similar interface to the Microsoft/C11 getenv_s() function,
* but other than parameter validation, it has no advantages over getenv().
*/
static INLINE int GETENV_S(char *buffer, size_t buffer_size, const char *name)
{
char *env;
if (!buffer) {
if (buffer_size == 0)
return 0;
else
return (errno = EINVAL);
}
if (buffer_size == 0)
return (errno = EINVAL);
if (!name) {
*buffer = 0;
return 0;
}
env = getenv(name);
if (!env)
{
*buffer = 0;
return 0;
}
if (strlen(env) + 1 > buffer_size) {
*buffer = 0;
return ERANGE;
}
strncpy(buffer, env, buffer_size);
return 0;
}
#endif /* _MSC_VER */
#endif /* NO_GETENV */
#ifndef NO_PUTENV
#ifdef _WIN32
#define PUTENV_S(name, value) _putenv_s(name, value)
#else
/* This provides a similar interface to the Microsoft _putenv_s() function, but
* other than parameter validation, it has no advantages over setenv().
*/
static INLINE int PUTENV_S(const char *name, const char *value)
{
if (!name || !value)
return (errno = EINVAL);
setenv(name, value, 1);
return errno;
}
#endif /* _WIN32 */
#endif /* NO_PUTENV */
#ifdef WITH_SANITIZER
# define malloc(sz) calloc((sz), 1)
#endif
#endif /* JINCLUDE_H */
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