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Rename UNUSED() and STATIC_ASSERT() macros with PB_ prefix.

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This avoids possible namespace conflicts with other macros.
This commit is contained in:
Petteri Aimonen
2014-08-18 20:49:48 +03:00
parent 1dd9f1900f
commit 62b4a8ecaa
5 changed files with 35 additions and 31 deletions
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40
pb.h
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@@ -98,23 +98,27 @@
#endif
/* Handly macro for suppressing unreferenced-parameter compiler warnings. */
#ifndef UNUSED
#define UNUSED(x) (void)(x)
#ifndef PB_UNUSED
#define PB_UNUSED(x) (void)(x)
#endif
/* Compile-time assertion, used for checking compatible compilation options.
* If this does not work properly on your compiler, use #define STATIC_ASSERT
* to disable it.
* If this does not work properly on your compiler, use
* #define PB_NO_STATIC_ASSERT to disable it.
*
* But before doing that, check carefully the error message / place where it
* comes from to see if the error has a real cause. Unfortunately the error
* message is not always very clear to read, but you can see the reason better
* in the place where the STATIC_ASSERT macro was called.
* in the place where the PB_STATIC_ASSERT macro was called.
*/
#ifndef STATIC_ASSERT
#define STATIC_ASSERT(COND,MSG) typedef char STATIC_ASSERT_MSG(MSG, __LINE__, __COUNTER__)[(COND)?1:-1];
#define STATIC_ASSERT_MSG(MSG, LINE, COUNTER) STATIC_ASSERT_MSG_(MSG, LINE, COUNTER)
#define STATIC_ASSERT_MSG_(MSG, LINE, COUNTER) static_assertion_##MSG##LINE##COUNTER
#ifndef PB_NO_STATIC_ASSERT
#ifndef PB_STATIC_ASSERT
#define PB_STATIC_ASSERT(COND,MSG) typedef char PB_STATIC_ASSERT_MSG(MSG, __LINE__, __COUNTER__)[(COND)?1:-1];
#define PB_STATIC_ASSERT_MSG(MSG, LINE, COUNTER) PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER)
#define PB_STATIC_ASSERT_MSG_(MSG, LINE, COUNTER) pb_static_assertion_##MSG##LINE##COUNTER
#endif
#else
#define PB_STATIC_ASSERT(COND,MSG)
#endif
/* Number of required fields to keep track of. */
@@ -231,14 +235,14 @@ PB_PACKED_STRUCT_END
* If you get errors here, it probably means that your stdint.h is not
* correct for your platform.
*/
STATIC_ASSERT(sizeof(int8_t) == 1, INT8_T_WRONG_SIZE)
STATIC_ASSERT(sizeof(uint8_t) == 1, UINT8_T_WRONG_SIZE)
STATIC_ASSERT(sizeof(int16_t) == 2, INT16_T_WRONG_SIZE)
STATIC_ASSERT(sizeof(uint16_t) == 2, UINT16_T_WRONG_SIZE)
STATIC_ASSERT(sizeof(int32_t) == 4, INT32_T_WRONG_SIZE)
STATIC_ASSERT(sizeof(uint32_t) == 4, UINT32_T_WRONG_SIZE)
STATIC_ASSERT(sizeof(int64_t) == 8, INT64_T_WRONG_SIZE)
STATIC_ASSERT(sizeof(uint64_t) == 8, UINT64_T_WRONG_SIZE)
PB_STATIC_ASSERT(sizeof(int8_t) == 1, INT8_T_WRONG_SIZE)
PB_STATIC_ASSERT(sizeof(uint8_t) == 1, UINT8_T_WRONG_SIZE)
PB_STATIC_ASSERT(sizeof(int16_t) == 2, INT16_T_WRONG_SIZE)
PB_STATIC_ASSERT(sizeof(uint16_t) == 2, UINT16_T_WRONG_SIZE)
PB_STATIC_ASSERT(sizeof(int32_t) == 4, INT32_T_WRONG_SIZE)
PB_STATIC_ASSERT(sizeof(uint32_t) == 4, UINT32_T_WRONG_SIZE)
PB_STATIC_ASSERT(sizeof(int64_t) == 8, INT64_T_WRONG_SIZE)
PB_STATIC_ASSERT(sizeof(uint64_t) == 8, UINT64_T_WRONG_SIZE)
/* This structure is used for 'bytes' arrays.
* It has the number of bytes in the beginning, and after that an array.
@@ -505,7 +509,7 @@ struct _pb_extension_t {
#ifdef PB_NO_ERRMSG
#define PB_RETURN_ERROR(stream,msg) \
do {\
UNUSED(stream); \
PB_UNUSED(stream); \
return false; \
} while(0)
#define PB_GET_ERROR(stream) "(errmsg disabled)"