ui: match size measures with corresponding units

Calculate the size in UI to align with suitable units.

2 files changed, 41 insertions, 0 deletions

diff --git a/src/utils/size_info.c b/src/utils/size_info.c
new file mode 100644
index 0000000..6b238bb
--- /dev/null
+++ b/src/utils/size_info.c
@@ -0,0 +1,27 @@
+#include "size_info.h"
+
+static const char *size_unit_map[] = {"B", "KB", "MB", "GB"};
+
+size_info_t num2sizeinfo(const unsigned long n) {
+  size_info_t size_info = {0};
+  long double tmp = (long double)n;
+  if ((unsigned long)tmp / 1024 == 0) {
+    size_info.unit = SIZE_B;
+  } else {
+    tmp /= 1024;
+    if ((unsigned long)tmp / 1024 == 0) {
+      size_info.unit = SIZE_KB;
+    } else {
+      tmp /= 1024;
+      if ((unsigned long)tmp / 1024 == 0) {
+        size_info.unit = SIZE_MB;
+      } else {
+        tmp /= 1024;
+        size_info.unit = SIZE_GB;
+      }
+    }
+  }
+  size_info.n = tmp;
+  size_info.unit_str = size_unit_map[size_info.unit];
+  return size_info;
+}
diff --git a/src/utils/size_info.h b/src/utils/size_info.h
new file mode 100644
index 0000000..e0994c1
--- /dev/null
+++ b/src/utils/size_info.h
@@ -0,0 +1,14 @@
+#ifndef SIZE_INFO_H_
+#define SIZE_INFO_H_
+
+typedef enum size_unit { SIZE_B, SIZE_KB, SIZE_MB, SIZE_GB } size_unit_t;
+
+typedef struct size_info {
+  long double n;
+  size_unit_t unit;
+  const char *unit_str;
+} size_info_t;
+
+size_info_t num2sizeinfo(const unsigned long n);
+
+#endif