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MHD_lib_get_info_ver_num(): new static inline helper

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Evgeny Grin (Karlson2k)
2025-01-14 13:13:07 +01:00
parent b76f0e8cca
commit a26fc23289
2 changed files with 62 additions and 0 deletions
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src/include/microhttpd2.h
+31
View File
@@ -9005,6 +9005,37 @@ MHD_FN_PAR_NONNULL_ (2) MHD_FN_PAR_OUT_ (2);
#define MHD_lib_get_info_fixed(info,data) \
MHD_lib_get_info_fixed_sz ((info),(data),sizeof(*(data)))
#ifndef MHD_NO_STATIC_INLINE
/*
* A helper below can be used in a simple check to prevent use of downgraded
* library version.
* New library version may introduce new functionality. If application uses
* some new functionality, that is not available on earlier version, and the
* library version is downgraded it may fail at run-time.
* To prevent run-time failures, application may use a check list this:
if (MHD_lib_get_info_ver_num() < ((uint_fast32_t) MHD_VERSION)
handle_init_failure();
*/
/**
* Get the library version number.
* @return the library version number.
*/
MHD_STATIC_INLINE_ MHD_FN_PURE_ uint_fast32_t
MHD_lib_get_info_ver_num (void)
{
union MHD_LibInfoFixedData data;
data.v_uint32 = 0; /* Not really necessary */
(void) MHD_lib_get_info_fixed (MHD_LIB_INFO_FIXED_VERSION_NUM, \
&data); /* Never fail */
return data.v_uint32;
}
MHD_STATIC_INLINE_END_
#endif /* ! MHD_NO_STATIC_INLINE */
/**
* Types of information about MHD,
* used by #MHD_lib_get_info_dynamic_sz().
src/include/microhttpd2_main.h.in
+31
View File
@@ -4383,6 +4383,37 @@ MHD_FN_PAR_NONNULL_ (2) MHD_FN_PAR_OUT_ (2);
#define MHD_lib_get_info_fixed(info,data) \
MHD_lib_get_info_fixed_sz ((info),(data),sizeof(*(data)))
#ifndef MHD_NO_STATIC_INLINE
/*
* A helper below can be used in a simple check to prevent use of downgraded
* library version.
* New library version may introduce new functionality. If application uses
* some new functionality, that is not available on earlier version, and the
* library version is downgraded it may fail at run-time.
* To prevent run-time failures, application may use a check list this:
if (MHD_lib_get_info_ver_num() < ((uint_fast32_t) MHD_VERSION)
handle_init_failure();
*/
/**
* Get the library version number.
* @return the library version number.
*/
MHD_STATIC_INLINE_ MHD_FN_PURE_ uint_fast32_t
MHD_lib_get_info_ver_num (void)
{
union MHD_LibInfoFixedData data;
data.v_uint32 = 0; /* Not really necessary */
(void) MHD_lib_get_info_fixed (MHD_LIB_INFO_FIXED_VERSION_NUM, \
&data); /* Never fail */
return data.v_uint32;
}
MHD_STATIC_INLINE_END_
#endif /* ! MHD_NO_STATIC_INLINE */
/**
* Types of information about MHD,
* used by #MHD_lib_get_info_dynamic_sz().