diff options
| -rw-r--r-- | compat/pb_syshdr.h | 71 | ||||
| -rw-r--r-- | pb.h | 11 | ||||
| -rw-r--r-- | tests/SConstruct | 7 |
3 files changed, 89 insertions, 0 deletions
diff --git a/compat/pb_syshdr.h b/compat/pb_syshdr.h new file mode 100644 index 0000000..c170c8d --- /dev/null +++ b/compat/pb_syshdr.h @@ -0,0 +1,71 @@ +/* This is an example of a header file for platforms/compilers that do + * not come with stdint.h/stddef.h/stdbool.h/string.h. To use it, define + * PB_SYSTEM_HEADER as "pb_syshdr.h", including the quotes, and add the + * compat folder to your include path. + * + * It is very likely that you will need to customize this file to suit + * your platform. For any compiler that supports C99, this file should + * not be necessary. + */ + +#ifndef _PB_SYSHDR_H_ +#define _PB_SYSHDR_H_ + +/* stdint.h subset */ +/* You will need to modify these to match the word size of your platform. */ +typedef signed char int8_t; +typedef unsigned char uint8_t; +typedef signed short int16_t; +typedef unsigned short uint16_t; +typedef signed int int32_t; +typedef unsigned int uint32_t; +typedef signed long long int64_t; +typedef unsigned long long uint64_t; + +/* stddef.h subset */ +typedef uint32_t size_t; +#define offsetof(st, m) ((size_t)(&((st *)0)->m)) + +#ifndef NULL +#define NULL 0 +#endif + +/* stdbool.h subset */ +typedef int bool; +#define false 0 +#define true 1 + +/* string.h subset */ +/* Implementations are from the Public Domain C Library (PDCLib). */ +static size_t strlen( const char * s ) +{ + size_t rc = 0; + while ( s[rc] ) + { + ++rc; + } + return rc; +} + +static void * memcpy( void *s1, const void *s2, size_t n ) +{ + char * dest = (char *) s1; + const char * src = (const char *) s2; + while ( n-- ) + { + *dest++ = *src++; + } + return s1; +} + +static void * memset( void * s, int c, size_t n ) +{ + unsigned char * p = (unsigned char *) s; + while ( n-- ) + { + *p++ = (unsigned char) c; + } + return s; +} + +#endif @@ -215,6 +215,17 @@ struct _pb_field_t { } pb_packed; PB_PACKED_STRUCT_END +/* Make sure that the standard integer types are of the expected sizes. + * All kinds of things may break otherwise.. atleast all fixed* types. */ +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) + /* This structure is used for 'bytes' arrays. * It has the number of bytes in the beginning, and after that an array. * Note that actual structs used will have a different length of bytes array. diff --git a/tests/SConstruct b/tests/SConstruct index b2d524c..a690aff 100644 --- a/tests/SConstruct +++ b/tests/SConstruct @@ -12,6 +12,13 @@ env.Append(PROTOCPATH = ['#../generator', '/usr/include', '.']) # Define the include path to find nanopb.proto env.Append(PROTOCPATH = ['#../generator', '/usr/include', '.']) +# If the platform doesn't support C99, use our own header file instead. +conf = Configure(env) +if not conf.CheckCHeader('stdbool.h'): + conf.env.Append(CPPDEFINES = {'PB_SYSTEM_HEADER': '\\"pb_syshdr.h\\"'}) + conf.env.Append(CPPPATH = "#../compat") +env = conf.Finish() + # Now include the SConscript files from all subdirectories SConscript(Glob('*/SConscript'), exports = 'env') |