- scheduler: increase buffer for global prefs from 8K to 64K

- lay the groundwork for changing it to std::string


svn path=/trunk/boinc/; revision=24595

checkin_notes

@@ -8462,3 +8462,12 @@ David  14 Nov 2011
 
     client/
         log_flags.cpp
+
+David  14 Nov 2011
+    - scheduler: increase buffer for global prefs from 8K to 64K
+    - lay the groundwork for changing it to std::string
+
+    sched/
+        sched_types.cpp
+    lib/
+        parse.cpp,h

lib/parse.cpp

@@ -963,6 +963,29 @@ int XML_PARSER::element_contents(const char* end_tag, char* buf, int buflen) {
     return retval;
 }
 
+#if 0
+int XML_PARSER::element_contents(const char* end_tag, string& buf) {
+    int retval=0;
+    while (1) {
+        int c = f->_getc();
+        if (c == EOF) {
+            retval = ERR_XML_PARSE;
+            break;
+        }
+        buf += c;
+        char* p = strstr(buf.c_str(), end_tag);
+        if (p) {
+            int k = strlen(end_tag);
+            int n = buf.length();
+            buf.erase(n-k, k);
+            break;
+        }
+    }
+    strip_whitespace(buf);
+    return retval;
+}
+#endif
+
 // We got an unexpected tag.
 // If it's an end tag, do nothing.
 // Otherwise skip until the end tag, if any

lib/parse.h

@@ -60,6 +60,7 @@ public:
     bool parse_ulonglong(const char*, unsigned long long&);
     bool parse_bool(const char*, bool&);
 	int element_contents(const char*, char*, int);
+	int element_contents(const char*, std::string&);
     int copy_element(std::string&);
     void skip_unexpected(const char*, bool verbose, const char*);
     void skip_unexpected(bool verbose=false, const char* msg="") {

sched/sched_types.cpp

@@ -280,7 +280,7 @@ const char* SCHEDULER_REQUEST::parse(XML_PARSER& xp) {
         if (xp.parse_double("duration_correction_factor", host.duration_correction_factor)) continue;
         if (xp.match_tag("global_preferences")) {
             strcpy(global_prefs_xml, "<global_preferences>\n");
-            char buf[8192];
+            char buf[BLOB_SIZE];
             retval = xp.element_contents(
                 "</global_preferences>", buf, sizeof(buf)
             );