1 files changed, 26 insertions, 0 deletions
diff --git a/stdlib/string.cc b/stdlib/string.cc
new file mode 100644
index 0000000..5cd4bb2
--- /dev/null
+++ b/stdlib/string.cc
@@ -0,0 +1,26 @@
+#include "string.h"
+
+// TODO
+
+// int strcpy(char *dst, const char *stc);
+// void strcat(void *dst, const void *src);
+// char* strncpy(char *dest, const char *src, int length);
+// int strncmp(const char *s1, const char *s2, int c);
+
+/* strcmp - compare two C-strings */
+constexpr int strcmp(const char *s1, const char *s2)
+{
+    const auto s1_len = strlen(s1);
+    for(size_t i = 0; i < s1_len; ++i) {
+        if(s1[i] == s2[i]) continue;
+        if(s1[i] > s2[i]) return 1;
+        if(s1[i] < s2[i]) return -1;
+    }
+    return 0;
+}
+
+static_assert(strcmp("one", "one") == 0);
+static_assert(strcmp("one", "two") < 0);
+static_assert(strcmp("foo", "bar") > 0);
+
+