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-rw-r--r--src/mesa/drivers/dri/common/xmlconfig.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/common/xmlconfig.c b/src/mesa/drivers/dri/common/xmlconfig.c
index aa7df8ded3..8eb82a889a 100644
--- a/src/mesa/drivers/dri/common/xmlconfig.c
+++ b/src/mesa/drivers/dri/common/xmlconfig.c
@@ -77,7 +77,7 @@ static const char *__getProgramName () {
# define GET_PROGRAM_NAME() __getProgramName()
# else
# define GET_PROGRAM_NAME() ""
-# warning "Per application configuration won't with your OS version work."
+# warning "Per application configuration won't work with your OS version."
# endif
#endif
@@ -647,13 +647,17 @@ void driParseOptionInfo (driOptionCache *info,
struct OptInfoData *data = &userData;
GLuint realNoptions;
- /* determine hash table size and allocate memory */
+ /* determine hash table size and allocate memory:
+ * 3/2 of the number of options, rounded up, so there remains always
+ * at least one free entry. This is needed for detecting undefined
+ * options in configuration files without getting a hash table overflow.
+ * Round this up to a power of two. */
+ GLuint minSize = (nConfigOptions*3 + 1) / 2;
GLuint size, log2size;
- for (size = 1, log2size = 0; size < nConfigOptions*3/2;
- size <<= 1, ++log2size);
+ for (size = 1, log2size = 0; size < minSize; size <<= 1, ++log2size);
info->tableSize = log2size;
info->info = CALLOC (size * sizeof (driOptionInfo));
- info->values = CALLOC (size * sizeof (driOptionInfo));
+ info->values = CALLOC (size * sizeof (driOptionValue));
if (info->info == NULL || info->values == NULL) {
fprintf (stderr, "%s: %d: out of memory.\n", __FILE__, __LINE__);
abort();