#undef GET_PROGRAM_NAME
-#if defined(__GNU_LIBRARY__) || defined(__GLIBC__)
+#if (defined(__GNU_LIBRARY__) || defined(__GLIBC__)) && !defined(__UCLIBC__)
+# if !defined(__GLIBC__) || (__GLIBC__ < 2)
+/* These aren't declared in any libc5 header */
+extern char *program_invocation_name, *program_invocation_short_name;
+# endif
# 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
return count;
}
+/** \brief Locale-independent integer parser.
+ *
+ * Works similar to strtol. Leading space is NOT skipped. The input
+ * number may have an optional sign. Radix is specified by base. If
+ * base is 0 then decimal is assumed unless the input number is
+ * prefixed by 0x or 0X for hexadecimal or 0 for octal. After
+ * returning tail points to the first character that is not part of
+ * the integer number. If no number was found then tail points to the
+ * start of the input string. */
+static GLint strToI (const XML_Char *string, const XML_Char **tail, int base) {
+ GLint radix = base == 0 ? 10 : base;
+ GLint result = 0;
+ GLint sign = 1;
+ GLboolean numberFound = GL_FALSE;
+ const XML_Char *start = string;
+
+ assert (radix >= 2 && radix <= 36);
+
+ if (*string == '-') {
+ sign = -1;
+ string++;
+ } else if (*string == '+')
+ string++;
+ if (base == 0 && *string == '0') {
+ numberFound = GL_TRUE;
+ if (*(string+1) == 'x' || *(string+1) == 'X') {
+ radix = 16;
+ string += 2;
+ } else {
+ radix = 8;
+ string++;
+ }
+ }
+ do {
+ GLint digit = -1;
+ if (radix <= 10) {
+ if (*string >= '0' && *string < '0' + radix)
+ digit = *string - '0';
+ } else {
+ if (*string >= '0' && *string <= '9')
+ digit = *string - '0';
+ else if (*string >= 'a' && *string < 'a' + radix - 10)
+ digit = *string - 'a' + 10;
+ else if (*string >= 'A' && *string < 'A' + radix - 10)
+ digit = *string - 'A' + 10;
+ }
+ if (digit != -1) {
+ numberFound = GL_TRUE;
+ result = radix*result + digit;
+ string++;
+ } else
+ break;
+ } while (GL_TRUE);
+ *tail = numberFound ? string : start;
+ return sign * result;
+}
+
+/** \brief Locale-independent floating-point parser.
+ *
+ * Works similar to strtod. Leading space is NOT skipped. The input
+ * number may have an optional sign. '.' is interpreted as decimal
+ * point and may occor at most once. Optionally the number may end in
+ * [eE]<exponent>, where <exponent> is an integer as recognized by
+ * strToI. In that case the result is number * 10^exponent. After
+ * returning tail points to the first character that is not part of
+ * the floating point number. If no number was found then tail points
+ * to the start of the input string.
+ *
+ * Uses two passes for maximum accuracy. */
+static GLfloat strToF (const XML_Char *string, const XML_Char **tail) {
+ GLint nDigits = 0, pointPos, exponent;
+ GLfloat sign = 1.0f, result = 0.0f, scale;
+ const XML_Char *start = string, *numStart;
+
+ /* sign */
+ if (*string == '-') {
+ sign = -1.0f;
+ string++;
+ } else if (*string == '+')
+ string++;
+
+ /* first pass: determine position of decimal point, number of
+ * digits, exponent and the end of the number. */
+ numStart = string;
+ while (*string >= '0' && *string <= '9') {
+ string++;
+ nDigits++;
+ }
+ pointPos = nDigits;
+ if (*string == '.') {
+ string++;
+ while (*string >= '0' && *string <= '9') {
+ string++;
+ nDigits++;
+ }
+ }
+ if (nDigits == 0) {
+ /* no digits, no number */
+ *tail = start;
+ return 0.0f;
+ }
+ *tail = string;
+ if (*string == 'e' || *string == 'E') {
+ const XML_Char *expTail;
+ exponent = strToI (string+1, &expTail, 10);
+ if (expTail == string+1)
+ exponent = 0;
+ else
+ *tail = expTail;
+ } else
+ exponent = 0;
+ string = numStart;
+
+ /* scale of the first digit */
+ scale = sign * (GLfloat)pow (10.0, (GLdouble)(pointPos-1 + exponent));
+
+ /* second pass: parse digits */
+ do {
+ if (*string != '.') {
+ assert (*string >= '0' && *string <= '9');
+ result += scale * (GLfloat)(*string - '0');
+ scale *= 0.1f;
+ nDigits--;
+ }
+ string++;
+ } while (nDigits > 0);
+
+ return result;
+}
+
/** \brief Parse a value of a given type. */
static GLboolean parseValue (driOptionValue *v, driOptionType type,
const XML_Char *string) {
break;
case DRI_ENUM: /* enum is just a special integer */
case DRI_INT:
- v->_int = strtol (string, (char **)&tail, 0);
+ v->_int = strToI (string, &tail, 0);
break;
case DRI_FLOAT:
- v->_float = strtod (string, (char **)&tail);
+ v->_float = strToF (string, &tail);
break;
}
}
}
-void driParseOptionInfo (driOptionCache *info) {
+void driParseOptionInfo (driOptionCache *info,
+ const char *configOptions, GLuint nConfigOptions) {
XML_Parser p;
int status;
struct OptInfoData userData;
struct OptInfoData *data = &userData;
- GLuint nOptions;
-
- /* determine hash table size and allocate memory */
+ GLuint realNoptions;
+
+ /* 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 < __driNConfigOptions*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();
userData.inEnum = GL_FALSE;
userData.curOption = -1;
- status = XML_Parse (p, __driConfigOptions, strlen (__driConfigOptions), 1);
+ status = XML_Parse (p, configOptions, strlen (configOptions), 1);
if (!status)
XML_FATAL ("%s.", XML_ErrorString(XML_GetErrorCode(p)));
XML_ParserFree (p);
- /* Check if the actual number of options matches __driNConfigOptions.
+ /* Check if the actual number of options matches nConfigOptions.
* A mismatch is not fatal (a hash table overflow would be) but we
* want the driver developer's attention anyway. */
- nOptions = countOptions (info);
- if (nOptions != __driNConfigOptions) {
+ realNoptions = countOptions (info);
+ if (realNoptions != nConfigOptions) {
fprintf (stderr,
- "Error: __driNConfigOptions (%u) does not match the actual number of options in\n"
+ "Error: nConfigOptions (%u) does not match the actual number of options in\n"
" __driConfigOptions (%u).\n",
- __driNConfigOptions, nOptions);
+ nConfigOptions, realNoptions);
}
}
}
/** \brief Initialize an option cache based on info */
-static void initOptionCache (driOptionCache *cache, driOptionCache *info) {
+static void initOptionCache (driOptionCache *cache, const driOptionCache *info) {
cache->info = info->info;
cache->tableSize = info->tableSize;
cache->values = MALLOC ((1<<info->tableSize) * sizeof (driOptionValue));
#undef BUF_SIZE
}
-void driParseConfigFiles (driOptionCache *cache, driOptionCache *info,
+void driParseConfigFiles (driOptionCache *cache, const driOptionCache *info,
GLint screenNum, const char *driverName) {
char *filenames[2] = {"/etc/drirc", NULL};
char *home;
userData.cache = cache;
userData.screenNum = screenNum;
userData.driverName = driverName;
-#ifndef _SOLO
userData.execName = GET_PROGRAM_NAME();
-#else
- userData.execName = "Solo";
-#endif
if ((home = getenv ("HOME"))) {
GLuint len = strlen (home);
projects / mesa.git / blobdiff