MrGeorgen/advanced_C_standard_library
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Alignment wastes no memory now

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MrGeorgen
2020-06-15 17:38:15 +02:00
parent ebb7c6eeee
commit c7feb38582
3 changed files with 13 additions and 7 deletions
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1
build_and_run.sh
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@ -1,4 +1,5 @@
#!/bin/sh #!/bin/sh
rm -rf build
cmake . cmake .
make make
./build/test.out ./build/test.out

6
src/array.c
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@ -3,7 +3,11 @@
#include <stdlib.h> #include <stdlib.h>
union arraylist_meta { union arraylist_meta {
max_align_t dummy_align; double dummy_double;
long double dummy_long_double;
long long dummy_long_long;
void *dummy_ptr;
void (*dummy_func_ptr)(void);
struct { struct {
size_t len; size_t len;
size_t cap; size_t cap;

5
src/main.c
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@ -1,10 +1,11 @@
#include <stdio.h> #include <stdio.h>
#include "array.h" #include "array.h"
#include <stddef.h>
int main() { int main() {
int *int_array = arraylist_create(2, sizeof (int)); int *int_array = arraylist_create(2, sizeof (int));
int_array[0] = 28; int_array[0] = 28;
int_array[1] = 20; int_array[1] = 20;
for(int i = 0; i < 100; ++i) int_array = arraylist_append(int_array, &i); for(int i = 0; i < 10; ++i) arraylist_append(int_array, &i);
for(int i = 0; i < 102; ++i) printf("Index: %d Value: %d\n", i, int_array[i]); for(int i = 0; i < 12; ++i) printf("Index: %d Value: %d\n", i, int_array[i]);
} }