#undef GET_PROGRAM_NAME
-#if defined(__GNU_LIBRARY__) || defined(__GLIBC__)
+#if (defined(__GNU_LIBRARY__) || defined(__GLIBC__)) && !defined(__UCLIBC__)
# define GET_PROGRAM_NAME() program_invocation_short_name
#elif defined(__FreeBSD__) && (__FreeBSD__ >= 2)
# include <osreldate.h>
#endif
#if !defined(GET_PROGRAM_NAME)
-# if defined(OpenBSD) || defined(NetBSD)
-/* This is a hack. It's said to work on OpenBSD, NetBSD and GNU. It's
+# if defined(OpenBSD) || defined(NetBSD) || defined(__UCLIBC__)
+/* This is a hack. It's said to work on OpenBSD, NetBSD and GNU.
+ * Rogelio M.Serrano Jr. reported it's also working with UCLIBC. It's
* used as a last resort, if there is no documented facility available. */
static const char *__getProgramName () {
extern const char *__progname;
- return progname;
+ char * arg = strrchr(__progname, '/');
+ if (arg)
+ return arg+1;
+ else
+ return __progname;
}
# 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
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();