From 0dc446980d8ede518a356ab2c2f165cb08ce444a Mon Sep 17 00:00:00 2001 From: Franklin Wei Date: Sat, 7 Feb 2015 19:03:47 -0500 Subject: implement text in graphics mode --- libc/include/stdio.h | 2 +- libc/include/string.h | 1 + libc/string.c | 7 +++++++ 3 files changed, 9 insertions(+), 1 deletion(-) (limited to 'libc') diff --git a/libc/include/stdio.h b/libc/include/stdio.h index ac547c7..92442ac 100644 --- a/libc/include/stdio.h +++ b/libc/include/stdio.h @@ -1,4 +1,4 @@ -int printf(const char* fmt, ...); +int printf(const char* fmt, ...) __attribute__ ((format (printf, 1, 2)));; int puts(const char*); int putchar(int); diff --git a/libc/include/string.h b/libc/include/string.h index 650a7ac..05050a0 100644 --- a/libc/include/string.h +++ b/libc/include/string.h @@ -1,3 +1,4 @@ #include int strlen(const char*); void* memset(void*, int, size_t); +void* memcpy(void*, void*, size_t); diff --git a/libc/string.c b/libc/string.c index 8a9e422..11d398f 100644 --- a/libc/string.c +++ b/libc/string.c @@ -18,3 +18,10 @@ void* memset(void *buf, int val, size_t sz) } return buf; } + +void* memcpy(void *dest, void *src, size_t sz) +{ + while(sz--) + *(char*)dest++ = *(char*)src++; + return dest; +} -- cgit v1.1