Added submodule filesHEADmaster

1 files changed, 36 insertions, 0 deletions

diff --git a/gbdk/gbdk-lib/libc/string.c b/gbdk/gbdk-lib/libc/string.c
new file mode 100644
index 00000000..c1f8198a
--- /dev/null
+++ b/gbdk/gbdk-lib/libc/string.c
@@ -0,0 +1,36 @@
+/** Dumb strings hack.
+*/
+#include <string.h>
+#include <gbdk/gbdk-lib.h>
+
+#if USE_C_STRCPY
+char *strcpy(char *dest, const char *source) NONBANKED
+{
+    char *d = dest;
+    const char *s = source;
+    while (*d = *s) d++, s++;
+    return dest;
+}
+#endif
+
+#if USE_C_MEMCPY
+void *memcpy(void *dest, const void *source, size_t count) NONBANKED
+{
+    char *d = dest;
+    const char *s = source;
+    while (count--) {
+        *d = *s;
+        d++;
+        s++;
+    }
+    return dest;
+}
+#endif
+
+#if USE_C_STRCMP
+int strcmp(const char *s1, const char *s2) {
+    char ret = 0;
+    while (!(ret = *s1 - *s2) && *s2) ++s1, ++s2;
+    return (ret < 0) ? -1 : ((ret > 0) ? 1 : 0);
+}
+#endif