Moved strdup replacement from src/main.c into src/strdup.c so it's available

in libcurl as well, if necessary.

4 files changed, 95 insertions, 8 deletions

diff --git a/lib/Makefile.inc b/lib/Makefile.inc
index 7bb875847..0d3ad8cc1 100644
--- a/lib/Makefile.inc
+++ b/lib/Makefile.inc
@@ -8,7 +8,7 @@ CSOURCES = file.c timeval.c base64.c hostip.c progress.c formdata.c	\
   content_encoding.c share.c http_digest.c md5.c http_negotiate.c	\
   http_ntlm.c inet_pton.c strtoofft.c strerror.c hostares.c hostasyn.c	\
   hostip4.c hostip6.c hostsyn.c hostthre.c inet_ntop.c parsedate.c	\
-  select.c gtls.c sslgen.c tftp.c splay.c
+  select.c gtls.c sslgen.c tftp.c splay.c strdup.c
 
 HHEADERS = arpa_telnet.h netrc.h file.h timeval.h base64.h hostip.h	\
   progress.h formdata.h cookie.h http.h sendf.h ftp.h url.h dict.h	\
@@ -18,6 +18,6 @@ HHEADERS = arpa_telnet.h netrc.h file.h timeval.h base64.h hostip.h	\
   share.h md5.h http_digest.h http_negotiate.h http_ntlm.h ca-bundle.h	\
   inet_pton.h strtoofft.h strerror.h inet_ntop.h curlx.h memory.h	\
   setup.h transfer.h select.h easyif.h multiif.h parsedate.h sslgen.h   \
-  gtls.h tftp.h sockaddr.h splay.h
+  gtls.h tftp.h sockaddr.h splay.h strdup.h
 
 
diff --git a/lib/easy.c b/lib/easy.c
index 2784db83f..9995bcdee 100644
--- a/lib/easy.c
+++ b/lib/easy.c
@@ -80,6 +80,7 @@
 #include "getinfo.h"
 #include "hostip.h"
 #include "share.h"
+#include "strdup.h"
 #include "memory.h"
 #include "progress.h"
 #include "easyif.h"
@@ -182,18 +183,27 @@ static unsigned int  initialized;
 static long          init_flags;
 
 /*
+ * strdup (and other memory functions) is redefined in complicated
+ * ways, but at this point it must be defined as the system-supplied strdup
+ * so the callback pointer is initialized correctly.
+ */
+#if defined(_WIN32_WCE)
+#define system_strdup _strdup
+#elif !defined(HAVE_STRDUP)
+#define system_strdup curlx_strdup
+#else
+#define system_strdup strdup
+#endif
+
+/*
  * If a memory-using function (like curl_getenv) is used before
  * curl_global_init() is called, we need to have these pointers set already.
  */
 
-#ifdef _WIN32_WCE
-#define strdup _strdup
-#endif
-
 curl_malloc_callback Curl_cmalloc = (curl_malloc_callback)malloc;
 curl_free_callback Curl_cfree = (curl_free_callback)free;
 curl_realloc_callback Curl_crealloc = (curl_realloc_callback)realloc;
-curl_strdup_callback Curl_cstrdup = (curl_strdup_callback)strdup;
+curl_strdup_callback Curl_cstrdup = (curl_strdup_callback)system_strdup;
 curl_calloc_callback Curl_ccalloc = (curl_calloc_callback)calloc;
 
 /**
@@ -209,7 +219,7 @@ CURLcode curl_global_init(long flags)
   Curl_cmalloc = (curl_malloc_callback)malloc;
   Curl_cfree = (curl_free_callback)free;
   Curl_crealloc = (curl_realloc_callback)realloc;
-  Curl_cstrdup = (curl_strdup_callback)strdup;
+  Curl_cstrdup = (curl_strdup_callback)system_strdup;
   Curl_ccalloc = (curl_calloc_callback)calloc;
 
   if (flags & CURL_GLOBAL_SSL)
diff --git a/lib/strdup.c b/lib/strdup.c
new file mode 100644
index 000000000..a9ed448a8
--- /dev/null
+++ b/lib/strdup.c
@@ -0,0 +1,43 @@
+/***************************************************************************
+ *                                  _   _ ____  _
+ *  Project                     ___| | | |  _ \| |
+ *                             / __| | | | |_) | |
+ *                            | (__| |_| |  _ <| |___
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2006, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * $Id$
+ ***************************************************************************/
+
+#include "setup.h"
+#include "strdup.h"
+
+#ifndef HAVE_STRDUP
+char *curlx_strdup(const char *str)
+{
+  int len;
+  char *newstr;
+
+  len = strlen(str);
+  newstr = (char *) malloc((len+1)*sizeof(char));
+  if (!newstr)
+    return (char *)NULL;
+
+  strcpy(newstr,str);
+
+  return newstr;
+
+}
+#endif
diff --git a/lib/strdup.h b/lib/strdup.h
new file mode 100644
index 000000000..3206db3cf
--- /dev/null
+++ b/lib/strdup.h
@@ -0,0 +1,34 @@
+/***************************************************************************
+ *                                  _   _ ____  _     
+ *  Project                     ___| | | |  _ \| |    
+ *                             / __| | | | |_) | |    
+ *                            | (__| |_| |  _ <| |___ 
+ *                             \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2006, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ * 
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ * $Id$
+ ***************************************************************************/
+
+#ifndef _CURL_STRDUP_H
+#define _CURL_STRDUP_H
+
+#include "setup.h"
+
+#ifndef HAVE_STRDUP
+extern char *curlx_strdup(const char *str);
+#endif
+
+#endif
+