diff options
author | Sven Gothel <[email protected]> | 2011-07-17 17:16:08 +0200 |
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committer | Sven Gothel <[email protected]> | 2011-07-17 17:16:08 +0200 |
commit | 885158dd46c85a46716d45d449cf74688c08c0a1 (patch) | |
tree | 870e139cbaefce484554cfc938204d09c52bbfc2 /test/native/alignment_test.c | |
parent | 546cd96a6bfc181cb2d9a7859f2dc9f69ec3a429 (diff) | |
parent | 133de98defb7ec3d1f202805505aa85a5650e3d0 (diff) |
Merge branch 'master' into wip_mobile
Diffstat (limited to 'test/native/alignment_test.c')
-rw-r--r-- | test/native/alignment_test.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/test/native/alignment_test.c b/test/native/alignment_test.c new file mode 100644 index 0000000..2762d3a --- /dev/null +++ b/test/native/alignment_test.c @@ -0,0 +1,65 @@ + +#include <stdio.h> +#include <stdint.h> + +typedef struct { + int8_t c1; + int8_t v; +} struct_alignment_int8; + +typedef struct { + int8_t c1; + int16_t v; +} struct_alignment_int16; + +typedef struct { + int8_t c1; + int32_t v; +} struct_alignment_int32; + +typedef struct { + int8_t c1; + int64_t v; +} struct_alignment_int64; + +typedef struct { + int8_t c1; + long v; +} struct_alignment_long; + +typedef struct { + int8_t c1; + void * v; +} struct_alignment_pointer; + +typedef struct { + int8_t c1; + float v; +} struct_alignment_float; + +typedef struct { + int8_t c1; + double v; +} struct_alignment_double; + +typedef struct { + char c1; + long double v; +} struct_alignment_longdouble; + +size_t padding(size_t totalsize, size_t typesize) { return totalsize - typesize - sizeof(char); } +size_t alignment(size_t totalsize, size_t typesize) { return totalsize - typesize; } + +int main(int argc, char * argv[] ) { + printf("sizeof/alignment int8_t: %d / %d / %d\n", sizeof(int8_t), sizeof( struct_alignment_int8 ), alignment(sizeof( struct_alignment_int8 ), sizeof(int8_t))); + printf("sizeof/alignment int16_t: %d / %d / %d\n", sizeof(int16_t), sizeof( struct_alignment_int16 ), alignment(sizeof( struct_alignment_int16 ), sizeof(int16_t))); + printf("sizeof/alignment int32_t: %d / %d / %d\n", sizeof(int32_t), sizeof( struct_alignment_int32 ), alignment(sizeof( struct_alignment_int32 ), sizeof(int32_t))); + printf("sizeof/alignment int64_t: %d / %d / %d\n", sizeof(int64_t), sizeof( struct_alignment_int64 ), alignment(sizeof( struct_alignment_int64 ), sizeof(int64_t))); + printf("sizeof/alignment long: %d / %d / %d\n", sizeof(long), sizeof( struct_alignment_long ), alignment(sizeof( struct_alignment_long ), sizeof(long))); + printf("sizeof/alignment pointer: %d / %d / %d\n", sizeof(void *), sizeof( struct_alignment_pointer ), alignment(sizeof( struct_alignment_pointer ), sizeof(void *))); + printf("sizeof/alignment float: %d / %d / %d\n", sizeof(float), sizeof( struct_alignment_float ), alignment(sizeof( struct_alignment_float ), sizeof(float))); + printf("sizeof/alignment double: %d / %d / %d\n", sizeof(double), sizeof( struct_alignment_double ), alignment(sizeof( struct_alignment_double ), sizeof(double))); + printf("sizeof/alignment long double: %d / %d / %d\n", sizeof(long double), sizeof( struct_alignment_longdouble ), alignment(sizeof( struct_alignment_longdouble ), sizeof(long double))); + + return 0; +} |