add librariesmips

1 files changed, 32 insertions, 0 deletions

diff --git a/printf.c b/printf.c
new file mode 100644
index 0000000..7c9cf3a
--- /dev/null
+++ b/printf.c
@@ -0,0 +1,32 @@
+int printf(char *fmt) {
+    char *arg, ch;
+    arg = (int)&fmt + sizeof(char*);
+    while ((ch = *fmt))
+    {
+        if (ch == '%')
+        {
+            ch = *(++fmt);
+            if (ch == 'd')
+                __print_int(*(int *)arg);
+            else if (ch == 'c')
+                __print_char(*(char *)arg);
+            else if (ch == 's')
+                __print_string(*(char **)arg);
+            else
+            {
+                int len, x = *(int *)arg;
+                if (!x) len = 1;
+                else
+                    for (len = 0; x; x /= 10, len++);
+                len = 4 - len;
+                while (len) __print_char('0'), len--;
+                __print_int(*(int *)arg);
+                fmt += 2;
+            }
+            arg += 4;
+        }
+        else __print_char(ch);
+        fmt++;
+    }
+}
+