Add native alignment test c-code

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;
+}