mirrors/zint
2
0
Fork 0
mirror of https://github.com/zint/zint synced 2024-11-16 20:57:25 +13:00
Code Issues Actions Packages Projects Releases Wiki Activity

common.h: define ZINT_IS_C89 as __STDC_VERSION__ not defined by MSVC

Browse Source 
zintconfig.h: edit generator file zintconfig.h.in
This commit is contained in:
gitlost
2022-09-14 14:48:57 +01:00
parent 102c2f3a69
commit d0cfabba84
5 changed files with 20 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
backend/common.h
View File

@ -41,11 +41,16 @@ extern "C" {
#define ARRAY_SIZE(x) ((int) (sizeof(x) / sizeof((x)[0])))
#endif
/* Determine if C89 (excluding MSVC, which doesn't define __STDC_VERSION__) */
#if !defined(_MSC_VER) && (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199000L)
#define ZINT_IS_C89
#endif
#ifdef _MSC_VER
# include <malloc.h>
# define z_alloca(nmemb) _alloca(nmemb)
#else
# if (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199000L) || defined(__NuttX__) /* C89 or NuttX RTOS */
# if defined(ZINT_IS_C89) || defined(__NuttX__) /* C89 or NuttX RTOS */
# include <alloca.h>
# endif
# define z_alloca(nmemb) alloca(nmemb)
@ -101,14 +106,13 @@ typedef unsigned __int64 uint64_t;
#define ustrcat(target, source) strcat((char *) (target), (const char *) (source))
#define ustrncat(target, source, count) strncat((char *) (target), (const char *) (source), (count))
/* VC6 or C89 */
#if (defined(_MSC_VER) && _MSC_VER == 1200) || (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199000L)
#if (defined(_MSC_VER) && _MSC_VER == 1200) || defined(ZINT_IS_C89) /* VC6 or C89 */
# define ceilf (float) ceil
# define floorf (float) floor
# define fmodf (float) fmod
#endif
/* `round()` (C99) not before MSVC 2013 (C++ 12.0) */
#if (defined(_MSC_VER) && _MSC_VER < 1800) || (!defined(__STDC_VERSION__) || __STDC_VERSION__ < 199000L)
#if (defined(_MSC_VER) && _MSC_VER < 1800) || defined(ZINT_IS_C89)
# define round(arg) floor((arg) + 0.5)
# define roundf(arg) floorf((arg) + 0.5f)
#endif