Do not use PATH_MAX.

[wget] / src / init.c

diff --git a/src/init.c b/src/init.c
index 5559369d48ada3a571f54d3f1029c39b81f85538..17f9f9e6d7d38ef965a2e49f0192e94a1223e202 100644 (file)
--- a/src/init.c
+++ b/src/init.c
@@ -1,6 +1,7 @@
 /* Reading/parsing the initialization file.
    Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-   2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+   2005, 2006, 2007, 2008, 2009, 2010, 2011 Free Software Foundation,
+   Inc.
 
 This file is part of GNU Wget.
 
@@ -33,9 +34,7 @@ as that of the covered work.  */
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdbool.h>
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
+#include <unistd.h>
 #include <string.h>
 #include <errno.h>
 #include <limits.h>
@@ -367,8 +366,9 @@ defaults (void)
 char *
 home_dir (void)
 {
-  static char buf[PATH_MAX];
-  static char *home;
+  static char *buf = NULL;
+  static char *home, *ret;
+  int len;
 
   if (!home)
     {
@@ -381,12 +381,21 @@ home_dir (void)
           const char *_w32_get_argv0 (void); /* in libwatt.a/pcconfig.c */
           char *p;
 
-          strcpy (buf, _w32_get_argv0 ());
+          buff = _w32_get_argv0 ();
+
           p = strrchr (buf, '/');            /* djgpp */
           if (!p)
             p = strrchr (buf, '\\');          /* others */
           assert (p);
-          *p = '\0';
+
+          len = p - buff + 1;
+          buff = malloc (len + 1);
+          if (buff == NULL)
+            return NULL;
+
+          strncpy (buff, _w32_get_argv0 (), len);
+          buff[len] = '\0';
+
           home = buf;
 #elif !defined(WINDOWS)
           /* If HOME is not defined, try getting it from the password
@@ -394,8 +403,7 @@ home_dir (void)
           struct passwd *pwd = getpwuid (getuid ());
           if (!pwd || !pwd->pw_dir)
             return NULL;
-          strcpy (buf, pwd->pw_dir);
-          home = buf;
+          home = pwd->pw_dir;
 #else  /* !WINDOWS */
           /* Under Windows, if $HOME isn't defined, use the directory where
              `wget.exe' resides.  */
@@ -404,7 +412,11 @@ home_dir (void)
         }
     }
 
-  return home ? xstrdup (home) : NULL;
+  ret = home ? xstrdup (home) : NULL;
+  if (buf)
+    free (buf);
+
+  return ret;
 }
 
 /* Check the 'WGETRC' environment variable and return the file name