Added userspace libc and began userspace based shell

1 files changed, 13 insertions, 0 deletions

diff --git a/src/userspace/mlibc/string/strinv.c b/src/userspace/mlibc/string/strinv.c
new file mode 100644
index 0000000..71f3355
--- /dev/null
+++ b/src/userspace/mlibc/string/strinv.c
@@ -0,0 +1,13 @@
+#include <mlibc/string.h>
+
+void strinv(char *str)
+{
+    size_t s_str = strlen(str);
+
+    int iterations = (int) s_str / 2;
+    for (int i = 0; i < iterations; i++) {
+        char aux = str[i];
+        str[i] = str[(s_str - i) - 1];
+        str[(s_str - i) - 1] = aux;
+    }
+}
\ No newline at end of file