1 files changed, 69 insertions, 0 deletions

diff --git a/base/base.c b/base/base.c
new file mode 100644
index 0000000..ba8ba32
--- /dev/null
+++ b/base/base.c
@@ -0,0 +1,69 @@
+#include "base/base.h"
+#include "stddef.h"
+
+/**
+ * Helper function to parse strings to int using ascii codes
+ * */
+local_internal u64
+parse_u64(char *buf, size_t len)
+{
+  u64 value = 0;
+
+  for (
+    size_t buffer_idx = 0;
+    buffer_idx < len;
+    ++buffer_idx)
+  {
+    char c = buf[buffer_idx];
+    if (c < '0' || c > '9')
+    {
+      break;
+    }
+    value = value * 10 + (c - '0');
+  }
+
+  return value;
+}
+
+/*
+ * is_numeric - Check if a string contains only digits
+ * @s: String to check
+ *
+ * Return: 1 if string contains only numeric characters, 0 otherwise
+ */
+local_internal b8
+is_numeric(char *s)
+{
+  for (; *s; ++s)
+  {
+    if (*s < '0' || *s > '9')
+    {
+      return 0;
+    }
+  }
+  return 1;
+}
+
+local_internal b8
+compare_string(const char *c1, const char *c2)
+{
+  if (sizeof(c1) != sizeof(c2))
+  {
+    return -1;
+  }
+
+  for (
+    u64 word_idx = 0;
+    word_idx <= sizeof(*c1);
+    ++word_idx)
+  {
+    if (*c1 != *c2)
+    {
+      return -1;
+    }
+    ++c1;
+    ++c2;
+  }
+
+  return 0;
+}