Description: Allocate the config filename dynamically.
 Avoid the use of PATH_MAX which may not be defined.
Forwarded: not-yet
Author: Peter Pentchev <roam@ringlet.net>
Last-Update: 2017-07-03

--- a/src/common.h
+++ b/src/common.h
@@ -94,7 +94,6 @@
 typedef int                 ssize_t;
 #endif /* _WIN64 */
 #endif /* !__MINGW32__ */
-#define PATH_MAX MAX_PATH
 #define USE_IPv6
 #define _CRT_SECURE_NO_DEPRECATE
 #define _CRT_NONSTDC_NO_DEPRECATE
--- a/src/options.c
+++ b/src/options.c
@@ -211,7 +211,7 @@
 NOEXPORT char **argalloc(char *);
 #endif
 
-char configuration_file[PATH_MAX];
+char *configuration_file;
 
 GLOBAL_OPTIONS global_options;
 SERVICE_OPTIONS service_options;
@@ -289,17 +289,27 @@
     }
 
 #ifdef HAVE_REALPATH
+    char *nconf;
     if(type==CONF_FILE) {
-        if(!realpath(name, configuration_file)) {
+        nconf = realpath(name, NULL);
+        if(nconf == NULL) {
             s_log(LOG_ERR, "Invalid configuration file name \"%s\"", name);
             ioerror("realpath");
             return 1;
         }
-        return options_parse(type);
-    }
+        free(configuration_file);
+    } else
 #endif
-    strncpy(configuration_file, name, PATH_MAX-1);
-    configuration_file[PATH_MAX-1]='\0';
+    {
+        size_t sz = strlen(name) + 1;
+        nconf = realloc(configuration_file, sz);
+        if(nconf == NULL) {
+            s_log(LOG_ERR, "Could not allocate memory");
+            return 1;
+        }
+        snprintf(nconf, sz, "%s", name);
+    }
+    configuration_file = nconf;
     return options_parse(type);
 }
 
--- a/src/prototypes.h
+++ b/src/prototypes.h
@@ -430,7 +430,7 @@
 
 /**************************************** prototypes for options.c */
 
-extern char configuration_file[PATH_MAX];
+extern char *configuration_file;
 extern unsigned number_of_sections;
 
 int options_cmdline(char *, char *);