alloc on write paging, -O3 compile works, 'volatile' is the story of my life

1 files changed, 15 insertions, 0 deletions

diff --git a/src/lib.c b/src/lib.c
index bd8e335..f91cbc2 100644
--- a/src/lib.c
+++ b/src/lib.c
@@ -15,6 +15,13 @@ void *memcpy(void *restrict dest, const void *restrict src, unsigned long n) {
 	return dest;
 }
 
+volatile void *memcpyv(volatile void *dest, const volatile void *src, unsigned long n) {
+	volatile char *d = dest;
+	const volatile char *s = src;
+	for (; n; n--) *d++ = *s++;
+	return dest;
+}
+
 void *memmove(void *dest, const void *src, unsigned long n) {
 	char *d = dest;
 	const char *s = src;
@@ -38,6 +45,14 @@ void *memset(void *restrict dest, int c, unsigned long n) {
 	return dest;
 }
 
+volatile void *memsetv(volatile void *dest, int c, unsigned long n) {
+	volatile unsigned char *d = dest;
+	for (; n; n--) {
+		*d++ = c;
+	};
+	return dest;
+}
+
 int strncmp(const char *restrict lhs, const char *restrict rhs, unsigned long n) {
 	const unsigned char *l=(void *)lhs, *r=(void *)rhs;
 	if (!n--) return 0;