diff options
Diffstat (limited to 'src/mesa/slang/slang_utility.c')
| -rw-r--r-- | src/mesa/slang/slang_utility.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/src/mesa/slang/slang_utility.c b/src/mesa/slang/slang_utility.c deleted file mode 100644 index c1d57409a4..0000000000 --- a/src/mesa/slang/slang_utility.c +++ /dev/null @@ -1,228 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5.3 - * - * Copyright (C) 2005-2007 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -/** - * \file slang_utility.c - * slang utilities - * \author Michal Krol - */ - -#include "main/imports.h" -#include "slang_utility.h" -#include "slang_mem.h" - -char * -slang_string_concat (char *dst, const char *src) -{ - return strcpy (dst + strlen (dst), src); -} - - -/* slang_string */ - -GLvoid -slang_string_init (slang_string *self) -{ - self->data = NULL; - self->capacity = 0; - self->length = 0; - self->fail = GL_FALSE; -} - -GLvoid -slang_string_free (slang_string *self) -{ - if (self->data != NULL) - free(self->data); -} - -GLvoid -slang_string_reset (slang_string *self) -{ - self->length = 0; - self->fail = GL_FALSE; -} - -static GLboolean -grow (slang_string *self, GLuint size) -{ - if (self->fail) - return GL_FALSE; - if (size > self->capacity) { - /* do not overflow 32-bit range */ - assert (size < 0x80000000); - - self->data = (char *) (_mesa_realloc (self->data, self->capacity, size * 2)); - self->capacity = size * 2; - if (self->data == NULL) { - self->capacity = 0; - self->fail = GL_TRUE; - return GL_FALSE; - } - } - return GL_TRUE; -} - -GLvoid -slang_string_push (slang_string *self, const slang_string *str) -{ - if (str->fail) { - self->fail = GL_TRUE; - return; - } - if (grow (self, self->length + str->length)) { - memcpy (&self->data[self->length], str->data, str->length); - self->length += str->length; - } -} - -GLvoid -slang_string_pushc (slang_string *self, const char c) -{ - if (grow (self, self->length + 1)) { - self->data[self->length] = c; - self->length++; - } -} - -GLvoid -slang_string_pushs (slang_string *self, const char *cstr, GLuint len) -{ - if (grow (self, self->length + len)) { - memcpy (&self->data[self->length], cstr, len); - self->length += len; - } -} - -GLvoid -slang_string_pushi (slang_string *self, GLint i) -{ - char buffer[12]; - - _mesa_snprintf (buffer, sizeof(buffer), "%d", i); - slang_string_pushs (self, buffer, strlen (buffer)); -} - -const char * -slang_string_cstr (slang_string *self) -{ - if (grow (self, self->length + 1)) - self->data[self->length] = '\0'; - return self->data; -} - -/* slang_atom_pool */ - -void -slang_atom_pool_construct(slang_atom_pool * pool) -{ - GLuint i; - - for (i = 0; i < SLANG_ATOM_POOL_SIZE; i++) - pool->entries[i] = NULL; -} - -void -slang_atom_pool_destruct (slang_atom_pool * pool) -{ - GLuint i; - - for (i = 0; i < SLANG_ATOM_POOL_SIZE; i++) { - slang_atom_entry * entry; - - entry = pool->entries[i]; - while (entry != NULL) { - slang_atom_entry *next = entry->next; - _slang_free(entry->id); - _slang_free(entry); - entry = next; - } - } -} - -/* - * Search the atom pool for an atom with a given name. - * If atom is not found, create and add it to the pool. - * Returns ATOM_NULL if the atom was not found and the function failed - * to create a new atom. - */ -slang_atom -slang_atom_pool_atom(slang_atom_pool * pool, const char * id) -{ - GLuint hash; - const char * p = id; - slang_atom_entry ** entry; - - /* Hash a given string to a number in the range [0, ATOM_POOL_SIZE). */ - hash = 0; - while (*p != '\0') { - GLuint g; - - hash = (hash << 4) + (GLuint) (*p++); - g = hash & 0xf0000000; - if (g != 0) - hash ^= g >> 24; - hash &= ~g; - } - hash %= SLANG_ATOM_POOL_SIZE; - - /* Now the hash points to a linked list of atoms with names that - * have the same hash value. Search the linked list for a given - * name. - */ - entry = &pool->entries[hash]; - while (*entry != NULL) { - /* If the same, return the associated atom. */ - if (slang_string_compare((**entry).id, id) == 0) - return (slang_atom) (**entry).id; - /* Grab the next atom in the linked list. */ - entry = &(**entry).next; - } - - /* Okay, we have not found an atom. Create a new entry for it. - * Note that the <entry> points to the last entry's <next> field. - */ - *entry = (slang_atom_entry *) _slang_alloc(sizeof(slang_atom_entry)); - if (*entry == NULL) - return SLANG_ATOM_NULL; - - /* Initialize a new entry. Because we'll need the actual name of - * the atom, we use the pointer to this string as an actual atom's - * value. - */ - (**entry).next = NULL; - (**entry).id = _slang_strdup(id); - if ((**entry).id == NULL) - return SLANG_ATOM_NULL; - return (slang_atom) (**entry).id; -} - -/** - * Return the name of a given atom. - */ -const char * -slang_atom_pool_id(slang_atom_pool * pool, slang_atom atom) -{ - return (const char *) (atom); -} |