xv6

commit 6639ce56d986cdae197e4f013dde536178ad23f8
parent 77a9aa55cd0c18ef33ebfa484b534511af4af53d
Author: Austin Clements <amdragon@mit.edu>
Date:   Wed,  7 Oct 2009 12:05:56 -0400

Provide memcpy for compatibility with older versions of gcc

Diffstat:
M
defs.h
 | 
1
+
M
string.c
 | 
6
++++++
M
user.h
 | 
1
+

3 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/defs.h b/defs.h
@@ -124,6 +124,7 @@ void            popcli();
 // string.c
 int             memcmp(const void*, const void*, uint);
 void*           memmove(void*, const void*, uint);
+void*           memcpy(void*, const void*, uint);
 void*           memset(void*, int, uint);
 char*           safestrcpy(char*, const char*, int);
 int             strlen(const char*);
diff --git a/string.c b/string.c
@@ -44,6 +44,12 @@ memmove(void *dst, const void *src, uint n)
   return dst;
 }
 
+void*
+memcpy(void *dst, const void *src, uint n)
+{
+  return memmove(dst, src, n);
+}
+
 int
 strncmp(const char *p, const char *q, uint n)
 {
diff --git a/user.h b/user.h
@@ -26,6 +26,7 @@ int sleep(int);
 int stat(char*, struct stat*);
 char* strcpy(char*, char*);
 void *memmove(void*, void*, int);
+void *memcpy(void*, void*, int);
 char* strchr(const char*, char c);
 int strcmp(const char*, const char*);
 void printf(int, char*, ...);