ChangeLogTag:Sat Nov 1 05:40:21 UTC 2003 Don Hinton <dhinton@dresystems.com>

1 files changed, 74 insertions, 1 deletions

diff --git a/ace/OS_NS_strings.cpp b/ace/OS_NS_strings.cpp
index fc532b41367..ec2ab0ee4a0 100644
--- a/ace/OS_NS_strings.cpp
+++ b/ace/OS_NS_strings.cpp
@@ -1,4 +1,77 @@
 // -*- C++ -*-
 // $Id$
 
-// This is a placeholder.
+#include "ace/OS_NS_strings.h"
+
+ACE_RCSID(ace, OS_NS_strings, "$Id$")
+
+#if !defined (ACE_HAS_INLINED_OSCALLS)
+# include "ace/OS_NS_strings.inl"
+#endif /* ACE_HAS_INLINED_OS_CALLS */
+
+#if defined (ACE_LACKS_STRCASECMP)
+int
+ACE_OS::strcasecmp_emulation (const char *s, const char *t)
+{
+  const char *scan1 = s;
+  const char *scan2 = t;
+
+  while (*scan1 != 0
+         && ACE_OS::to_lower (*scan1)
+            == ACE_OS::to_lower (*scan2))
+    {
+      ++scan1;
+      ++scan2;
+    }
+
+  // The following case analysis is necessary so that characters which
+  // look negative collate low against normal characters but high
+  // against the end-of-string NUL.
+
+  if (*scan1 == '\0' && *scan2 == '\0')
+    return 0;
+  else if (*scan1 == '\0')
+    return -1;
+  else if (*scan2 == '\0')
+    return 1;
+  else
+    return ACE_OS::to_lower (*scan1) - ACE_OS::to_lower (*scan2);
+}
+#endif /* ACE_LACKS_STRCASECMP */
+
+#if defined (ACE_LACKS_STRCASECMP)
+int
+ACE_OS::strncasecmp_emulation (const char *s,
+                               const char *t,
+                               size_t len)
+{
+  const char *scan1 = s;
+  const char *scan2 = t;
+  size_t count = 0;
+
+  while (count++ < len
+         && *scan1 != 0
+         && ACE_OS::to_lower (*scan1)
+            == ACE_OS::to_lower (*scan2))
+    {
+      ++scan1;
+      ++scan2;
+    }
+
+  if (count > len)
+    return 0;
+
+  // The following case analysis is necessary so that characters which
+  // look negative collate low against normal characters but high
+  // against the end-of-string NUL.
+
+  if (*scan1 == '\0' && *scan2 == '\0')
+    return 0;
+  else if (*scan1 == '\0')
+    return -1;
+  else if (*scan2 == '\0')
+    return 1;
+  else
+    return ACE_OS::to_lower (*scan1) - ACE_OS::to_lower (*scan2);
+}
+#endif /* ACE_LACKS_STRCASECMP */