diff options
Diffstat (limited to 'src/serd_stack.h')
-rw-r--r-- | src/serd_stack.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/src/serd_stack.h b/src/serd_stack.h deleted file mode 100644 index 7d8bcd07..00000000 --- a/src/serd_stack.h +++ /dev/null @@ -1,79 +0,0 @@ -/* Serd, an RDF serialisation library. - * Copyright 2011 David Robillard <d@drobilla.net> - * - * Serd is free software: you can redistribute it and/or modify it under - * the terms of the GNU Lesser General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * Serd is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public - * License for details. - * - * You should have received a copy of the GNU Lesser General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef SERD_STACK_H -#define SERD_STACK_H - -#include <assert.h> - -#include "serd/serd.h" - -/** An offset to start the stack at. Note 0 is reserved for NULL. */ -#define SERD_STACK_BOTTOM sizeof(void*) - -typedef struct { - uint8_t* buf; ///< Stack memory - size_t buf_size; ///< Allocated size of buf (>= size) - size_t size; ///< Conceptual size of stack in buf -} SerdStack; - -static inline SerdStack -serd_stack_new(size_t size) -{ - SerdStack stack; - stack.buf = malloc(size); - stack.buf_size = size; - stack.size = SERD_STACK_BOTTOM; - return stack; -} - -static inline bool -serd_stack_is_empty(SerdStack* stack) -{ - return stack->size <= SERD_STACK_BOTTOM; -} - -static inline void -serd_stack_free(SerdStack* stack) -{ - free(stack->buf); - stack->buf = NULL; - stack->buf_size = 0; - stack->size = 0; -} - -static inline uint8_t* -serd_stack_push(SerdStack* stack, size_t n_bytes) -{ - const size_t new_size = stack->size + n_bytes; - if (stack->buf_size < new_size) { - stack->buf_size *= 2; - stack->buf = realloc(stack->buf, stack->buf_size); - } - uint8_t* const ret = (stack->buf + stack->size); - stack->size = new_size; - return ret; -} - -static inline void -serd_stack_pop(SerdStack* stack, size_t n_bytes) -{ - assert(stack->size >= n_bytes); - stack->size -= n_bytes; -} - -#endif // SERD_STACK_H |