1 files changed, 99 insertions, 0 deletions
diff --git a/StdLib/LibC/String/Misc.c b/StdLib/LibC/String/Misc.c
new file mode 100644
index 0000000000..99328252ed
--- /dev/null
+++ b/StdLib/LibC/String/Misc.c
@@ -0,0 +1,99 @@
+/** @file
+    Miscellaneous Functions for <string.h>.
+
+    Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+    This program and the accompanying materials are licensed and made available under
+    the terms and conditions of the BSD License that accompanies this distribution.
+    The full text of the license may be found at
+    http://opensource.org/licenses/bsd-license.php.
+
+    THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+    WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+//#include  <sys/EfiCdefs.h>
+
+#include  <Uefi.h>
+#include  <Library/BaseLib.h>
+#include  <Library/BaseMemoryLib.h>
+#include  <Library/PcdLib.h>
+#include  <Library/PrintLib.h>
+
+#include  <LibConfig.h>
+
+#include  <errno.h>
+#include  <limits.h>
+#include  <string.h>
+
+extern char *sys_errlist[];
+
+/** The memset function copies the value of c (converted to an unsigned char)
+    into each of the first n characters of the object pointed to by s.
+
+    @return   The memset function returns the value of s.
+**/
+void *
+memset(void *s, int c, size_t n)
+{
+  return SetMem( s, (UINTN)n, (UINT8)c);
+}
+
+int
+strerror_r(int errnum, char *buf, size_t buflen)
+{
+  const char   *estring;
+  INTN          i;
+  int           retval = 0;
+
+  if( (errnum < 0) || (errnum >= EMAXERRORVAL)) {
+    (void) AsciiSPrint( buf, ASCII_STRING_MAX, "Unknown Error: %d.", errnum);
+    retval = EINVAL;
+  }
+  else {
+    estring = sys_errlist[errnum];
+    for( i = buflen; i > 0; --i) {
+      if( (*buf++ = *estring++) == '\0') {
+        break;
+      }
+    }
+    if(i == 0) {
+      retval = ERANGE;
+    }
+  }
+  return retval;
+}
+
+/** The strerror function maps the number in errnum to a message string.
+    Typically, the values for errnum come from errno, but strerror shall map
+    any value of type int to a message.
+
+    The implementation shall behave as if no library function calls the
+    strerror function.
+
+    @return   The strerror function returns a pointer to the string, the
+              contents of which are locale specific.  The array pointed to
+              shall not be modified by the program, but may be overwritten by
+              a subsequent call to the strerror function.
+**/
+char *
+strerror(int errnum)
+{
+  static char errorbuf[ASCII_STRING_MAX];
+  int         status;
+
+  status = strerror_r(errnum, errorbuf, sizeof(errorbuf));
+  if(status != 0) {
+    errno = status;
+  }
+  return errorbuf;
+}
+
+/** The strlen function computes the length of the string pointed to by s.
+
+    @return   The strlen function returns the number of characters that
+              precede the terminating null character.
+**/
+size_t
+strlen(const char *s)
+{
+  return (size_t)AsciiStrLen( s);
+}