diff options
Diffstat (limited to 'src/mesa/drivers/dri/common/xmlconfig.c')
| -rw-r--r-- | src/mesa/drivers/dri/common/xmlconfig.c | 14 |
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(); |