1 files changed, 48 insertions, 0 deletions
diff --git a/hw1/basic-arrstr.c b/hw1/basic-arrstr.c
new file mode 100644
index 0000000..f15bd22
--- /dev/null
+++ b/hw1/basic-arrstr.c
@@ -0,0 +1,48 @@
+#include "xwrap.h"
+#include <string.h>
+#include "basic-array.h"
+
+Array* array_dup(const Array* arr){
+	Array* newarr = array_create_setmax(
+			array_itemsize(arr), array_getlen(arr), array_getmax(arr));
+	if(newarr == NULL){
+		return NULL;
+	}
+	memcpy(newarr->arr_data, arr->arr_data, 
+			array_getlen(arr) * array_itemsize(arr));
+	return newarr;
+}
+
+int array_combine(Array* arr, const Array* att){
+	if(array_itemsize(arr) != array_itemsize(att)){
+		return -2;
+	}
+	if(array_setlen(arr, array_getlen(arr) + array_getlen(att)) < 0){
+		return -1;
+	}
+	memcpy(array_vp(arr, array_getlen(arr)), att->arr_data,
+			array_getlen(att) * array_itemsize(att));
+	return 0;
+}
+
+Array* array_filereadline_delim(FILE* infile, int chr){
+	Array* newarr = array_create(1, 0);
+	if(newarr == NULL){
+		return NULL;
+	}
+	int c;
+	char towrite;
+	while((c = getc(infile)) != chr && !feof(infile)){
+		towrite = c;
+		if(array_pushback(newarr, (void*)&towrite) < 0){
+			array_free(newarr);
+			return NULL;
+		}
+	}
+	towrite = '\0';
+	if(array_pushback(newarr, (void*)&towrite) < 0){
+		array_free(newarr);
+		return NULL;
+	}
+	return newarr;
+}