System info & network

code/lib/ds.cpp

@@ -0,0 +1,87 @@
+#include "ds.h"
+#include <string.h>
+
+int char_cmp(const void *a, const void *b)
+{
+	char _a = *(char*)a;
+	char _b = *(char*)b;
+	if(_a < _b) return -1;
+	if(_a > _b) return +1;
+	return 0;
+}
+
+int u8_cmp (const void *a, const void *b)
+{
+	u8 _a = *(u8*)a;
+	u8 _b = *(u8*)b;
+	if(_a < _b) return -1;
+	if(_a > _b) return +1;
+	return 0;
+}
+
+int u32_cmp(const void *a, const void *b)
+{
+	u32 _a = *(u32*)a;
+	u32 _b = *(u32*)b;
+	if(_a < _b) return -1;
+	if(_a > _b) return +1;
+	return 0;
+}
+
+int u64_cmp(const void *a, const void *b)
+{
+	u64 _a = *(u64*)a;
+	u64 _b = *(u64*)b;
+	if(_a < _b) return -1;
+	if(_a > _b) return +1;
+	return 0;
+}
+
+int s32_cmp(const void *a, const void *b)
+{
+	s32 _a = *(s32*)a;
+	s32 _b = *(s32*)b;
+	if(_a < _b) return -1;
+	if(_a > _b) return +1;
+	return 0;
+}
+
+int s64_cmp(const void *a, const void *b)
+{
+	s64 _a = *(s64*)a;
+	s64 _b = *(s64*)b;
+	if(_a < _b) return -1;
+	if(_a > _b) return +1;
+	return 0;
+}
+
+
+
+u64 make_unique(void *array, u64 count, u64 element_size, compare_fn *cmp)
+{
+	qsort(array, count, element_size, cmp);
+
+	// Remove duplicates
+	u8 *start = (u8*)array;
+	u8 *end   = start + element_size * count;
+
+	u64 deleted = 0;
+
+	u8 *prev = start;
+	u8 *curr = start + element_size;
+	while(curr < end)
+	{
+		if(cmp(prev, curr) == 0)
+		{
+			deleted++;
+		}
+		else
+		{
+			prev += element_size;
+			memcpy(prev, curr, element_size);
+		}
+		curr += element_size;
+	}
+
+	return count - deleted;
+}