Various fixes needed for Solaris.

[tinc] / lib / dropin.c

diff --git a/lib/dropin.c b/lib/dropin.c
index 5f4fceb..c26a357 100644 (file)
--- a/lib/dropin.c
+++ b/lib/dropin.c
@@ -1,7 +1,7 @@
 /*
     dropin.c -- a set of drop-in replacements for libc functions
-    Copyright (C) 2000 Ivo Timmermans <itimmermans@bigfoot.com>,
-                  2000 Guus Sliepen <guus@sliepen.warande.net>
+    Copyright (C) 2000,2001 Ivo Timmermans <itimmermans@bigfoot.com>,
+                  2000,2001 Guus Sliepen <guus@sliepen.warande.net>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -17,7 +17,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: dropin.c,v 1.1.2.2 2000/11/29 00:33:15 zarq Exp $
+    $Id: dropin.c,v 1.1.2.5 2001/11/05 19:06:07 guus Exp $
 */
 
 #include "config.h"
@@ -27,10 +27,12 @@
 #include <fcntl.h>
 #include <unistd.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 #include <xalloc.h>
 
 #include <system.h>
+#include <errno.h>
 
 #ifndef HAVE_DAEMON
 /*
@@ -113,6 +115,7 @@ char *get_current_dir_name(void)
 {
   size_t size;
   char *buf;
+  char *r;
 
   /* Start with 100 bytes.  If this turns out to be insufficient to
      contain the working directory, double the size.  */
@@ -123,7 +126,7 @@ char *get_current_dir_name(void)
   r = getcwd(buf, size);
   /* getcwd returns NULL and sets errno to ERANGE if the bufferspace
      is insufficient to contain the entire working directory.  */
-  while(r == NULL && errno = ERANGE)
+  while(r == NULL && errno == ERANGE)
     {
       free(buf);
       size <<= 1; /* double the size */
@@ -134,3 +137,32 @@ char *get_current_dir_name(void)
   return buf;
 }
 #endif
+
+#ifndef HAVE_ASPRINTF
+int asprintf(char **buf, const char *fmt, ...)
+{
+  int status;
+  va_list ap;
+  int len;
+  
+  len = 4096;
+  *buf = xmalloc(len);
+
+  va_start(ap, fmt);
+  status = vsnprintf (*buf, len, fmt, ap);
+  va_end (ap);
+
+  if(status >= 0)
+    *buf = xrealloc(*buf, status);
+
+  if(status > len-1)
+    {
+      len = status;
+      va_start(ap, fmt);
+      status = vsnprintf (*buf, len, fmt, ap);
+      va_end (ap);
+    }
+
+  return status;
+}
+#endif