Fix bug #6997

[lyx.git] / src / VSpace.cpp

diff --git a/src/VSpace.cpp b/src/VSpace.cpp
index 06799263f4e01a2049ff40d51e3941a6d446d978..da9133a4c090727525e11a413a82550439bd9c92 100644 (file)
--- a/src/VSpace.cpp
+++ b/src/VSpace.cpp
@@ -244,27 +244,23 @@ bool isValidGlueLength(string const & data, GlueLength * result)
        }
        // end of hack
 
-       int  pattern_index = 0;
-       int  table_index = 0;
-       char pattern[22]; // 20 + 1 for pattern[20], + 1 for '\0'
-
-       number_index = 1;
-       unit_index = 1;  // entries at index 0 are sentinels
+       number_index = unit_index = 1;  // entries at index 0 are sentinels
 
        // construct "pattern" from "data"
+       size_t const pattern_max_size = 20;
+       string pattern;
        while (!isEndOfData(buffer)) {
-               if (pattern_index > (sizeof(pattern) - 2))
+               if (pattern.size() > pattern_max_size)
                        return false;
-               pattern[pattern_index] = nextToken(buffer);
-               if (pattern[pattern_index] == 'E')
+               char const c = nextToken(buffer);
+               if (c == 'E')
                        return false;
-               ++pattern_index;
+               pattern.push_back(c);
        }
-       pattern[pattern_index] = '\0';
 
        // search "pattern" in "table"
-       table_index = 0;
-       while (strcmp(pattern, table[table_index].pattern)) {
+       size_t table_index = 0;
+       while (pattern != table[table_index].pattern) {
                ++table_index;
                if (!*table[table_index].pattern)
                        return false;