# HG changeset patch # User Mike Becker # Date 1432109104 -7200 # Node ID f62d271675bf9035c40265dd4459814760b0d7be # Parent 39f4c5fcaa60739d361d1564fc13f0479a2dc460 minimized ucx subset diff -r 39f4c5fcaa60 -r f62d271675bf ucx/Makefile --- a/ucx/Makefile Tue May 19 14:04:48 2015 +0200 +++ b/ucx/Makefile Wed May 20 10:05:04 2015 +0200 @@ -32,15 +32,12 @@ SRC = utils.c SRC += list.c SRC += map.c -SRC += avl.c SRC += properties.c SRC += mempool.c SRC += string.c SRC += test.c SRC += allocator.c -SRC += logging.c SRC += buffer.c -SRC += stack.c OBJ = $(SRC:%.c=../build/ucx/%$(OBJ_EXT)) diff -r 39f4c5fcaa60 -r f62d271675bf ucx/avl.c --- a/ucx/avl.c Tue May 19 14:04:48 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,230 +0,0 @@ -/* - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. - * - * Copyright 2015 Olaf Wintermann. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "avl.h" - -#define ptrcast(ptr) ((void*)(ptr)) - -static void ucx_avl_connect(UcxAVLTree *tree, - UcxAVLNode *node, UcxAVLNode *child, intptr_t nullkey) { - if (child) { - child->parent = node; - } - // if child is NULL, nullkey decides if left or right pointer is cleared - if (tree->cmpfunc( - ptrcast(child ? child->key : nullkey), - ptrcast(node->key), tree->userdata) > 0) { - node->right = child; - } else { - node->left = child; - } - size_t lh = node->left ? node->left->height : 0; - size_t rh = node->right ? node->right->height : 0; - node->height = 1 + (lh > rh ? lh : rh); -} - -#define avlheight(node) ((node) ? (node)->height : 0) - -static UcxAVLNode* avl_rotright(UcxAVLTree *tree, UcxAVLNode *l0) { - UcxAVLNode *p = l0->parent; - UcxAVLNode *l1 = l0->left; - if (p) { - ucx_avl_connect(tree, p, l1, 0); - } else { - l1->parent = NULL; - } - ucx_avl_connect(tree, l0, l1->right, l1->key); - ucx_avl_connect(tree, l1, l0, 0); - return l1; -} - -static UcxAVLNode* avl_rotleft(UcxAVLTree *tree, UcxAVLNode *l0) { - UcxAVLNode *p = l0->parent; - UcxAVLNode *l1 = l0->right; - if (p) { - ucx_avl_connect(tree, p, l1, 0); - } else { - l1->parent = NULL; - } - ucx_avl_connect(tree, l0, l1->left, l1->key); - ucx_avl_connect(tree, l1, l0, 0); - return l1; -} - -static void ucx_avl_balance(UcxAVLTree *tree, UcxAVLNode *n) { - int lh = avlheight(n->left); - int rh = avlheight(n->right); - n->height = 1 + (lh > rh ? lh : rh); - - if (lh - rh == 2) { - UcxAVLNode *c = n->left; - if (avlheight(c->right) - avlheight(c->left) == 1) { - avl_rotleft(tree, c); - } - n = avl_rotright(tree, n); - } else if (rh - lh == 2) { - UcxAVLNode *c = n->right; - if (avlheight(c->left) - avlheight(c->right) == 1) { - avl_rotright(tree, c); - } - n = avl_rotleft(tree, n); - } - - if (n->parent) { - ucx_avl_balance(tree, n->parent); - } else { - tree->root = n; - } -} - -UcxAVLTree *ucx_avl_new(cmp_func cmpfunc) { - return ucx_avl_new_a(cmpfunc, ucx_default_allocator()); -} - -UcxAVLTree *ucx_avl_new_a(cmp_func cmpfunc, UcxAllocator *allocator) { - UcxAVLTree *tree = almalloc(allocator, sizeof(UcxAVLTree)); - if (tree) { - tree->allocator = allocator; - tree->cmpfunc = cmpfunc; - tree->root = NULL; - tree->userdata = NULL; - } - - return tree; -} - -static void ucx_avl_free_node(UcxAllocator *al, UcxAVLNode *node) { - if (node) { - ucx_avl_free_node(al, node->left); - ucx_avl_free_node(al, node->right); - alfree(al, node); - } -} - -void ucx_avl_free(UcxAVLTree *tree) { - UcxAllocator *al = tree->allocator; - ucx_avl_free_node(al, tree->root); - alfree(al, tree); -} - -void *ucx_avl_get(UcxAVLTree *tree, intptr_t key) { - UcxAVLNode *n = tree->root; - int cmpresult; - while (n && (cmpresult = tree->cmpfunc( - ptrcast(key), ptrcast(n->key), tree->userdata))) { - n = cmpresult > 0 ? n->right : n->left; - } - return n ? n->value : NULL; -} - -void* ucx_avl_put(UcxAVLTree *tree, intptr_t key, void *value) { - if (tree->root) { - UcxAVLNode *n = tree->root; - int cmpresult; - while ((cmpresult = tree->cmpfunc( - ptrcast(key), ptrcast(n->key), tree->userdata))) { - UcxAVLNode *m = cmpresult > 0 ? n->right : n->left; - if (m) { - n = m; - } else { - break; - } - } - - if (cmpresult) { - UcxAVLNode *e = almalloc(tree->allocator, sizeof(UcxAVLNode)); - e->key = key; e->value = value; e->height = 1; - e->parent = e->left = e->right = NULL; - ucx_avl_connect(tree, n, e, 0); - ucx_avl_balance(tree, n); - return NULL; - } else { - void *prevval = n->value; - n->value = value; - return prevval; - } - } else { - tree->root = almalloc(tree->allocator, sizeof(UcxAVLNode)); - tree->root->key = key; tree->root->value = value; - tree->root->height = 1; - tree->root->parent = tree->root->left = tree->root->right = NULL; - return NULL; - } -} - -void* ucx_avl_remove(UcxAVLTree *tree, intptr_t key) { - UcxAVLNode *n = tree->root; - int cmpresult; - while (n && (cmpresult = tree->cmpfunc( - ptrcast(key), ptrcast(n->key), tree->userdata))) { - n = cmpresult > 0 ? n->right : n->left; - } - if (n) { - void *prevval = n->value; - UcxAVLNode *p = n->parent; - if (n->left && n->right) { - UcxAVLNode *s = n->right; - while (s->left) { - s = s->left; - } - ucx_avl_connect(tree, s->parent, s->right, s->key); - n->key = s->key; n->value = s->value; - p = s->parent; - alfree(tree->allocator, s); - } else { - if (p) { - ucx_avl_connect(tree, p, n->right ? n->right:n->left, n->key); - } else { - tree->root = n->right ? n->right : n->left; - if (tree->root) { - tree->root->parent = NULL; - } - } - alfree(tree->allocator, n); - } - - if (p) { - ucx_avl_balance(tree, p); - } - return prevval; - } else { - return NULL; - } -} - -static size_t ucx_avl_countn(UcxAVLNode *node) { - if (node) { - return 1 + ucx_avl_countn(node->left) + ucx_avl_countn(node->right); - } else { - return 0; - } -} - -size_t ucx_avl_count(UcxAVLTree *tree) { - return ucx_avl_countn(tree->root); -} diff -r 39f4c5fcaa60 -r f62d271675bf ucx/avl.h --- a/ucx/avl.h Tue May 19 14:04:48 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,188 +0,0 @@ -/* - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. - * - * Copyright 2015 Olaf Wintermann. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - - -/** - * @file avl.h - * - * AVL tree implementation. - * - * This binary search tree implementation allows average O(1) insertion and - * removal of elements. - * - * @author Mike Becker - * @author Olaf Wintermann - */ - -#ifndef UCX_AVL_H -#define UCX_AVL_H - -#include "ucx.h" -#include "allocator.h" -#include - -#ifdef __cplusplus -extern "C" { -#endif - -/** - * UCX AVL Node type. - * - * @see UcxAVLNode - */ -typedef struct UcxAVLNode UcxAVLNode; - -/** - * UCX AVL Node. - */ -struct UcxAVLNode { - /** - * The key for this node. - */ - intptr_t key; - /** - * Data contained by this node. - */ - void *value; - /** - * The height of this (sub)-tree. - */ - size_t height; - /** - * Parent node. - */ - UcxAVLNode *parent; - /** - * Root node of left subtree. - */ - UcxAVLNode *left; - /** - * Root node of right subtree. - */ - UcxAVLNode *right; -}; - -/** - * UCX AVL Tree. - */ -typedef struct { - /** - * The UcxAllocator that shall be used to manage the memory for node data. - */ - UcxAllocator *allocator; - /** - * Root node of the tree. - */ - UcxAVLNode *root; - /** - * Compare function that shall be used to compare the UcxAVLNode keys. - * @see UcxAVLNode.key - */ - cmp_func cmpfunc; - /** - * Custom user data. - * This data will also be provided to the cmpfunc. - */ - void *userdata; -} UcxAVLTree; - -/** - * Initializes a new UcxAVLTree with a default allocator. - * - * @param cmpfunc the compare function that shall be used - * @return a new UcxAVLTree object - * @see ucx_avl_new_a() - */ -UcxAVLTree *ucx_avl_new(cmp_func cmpfunc); - -/** - * Initializes a new UcxAVLTree with the specified allocator. - * - * The cmpfunc should be capable of comparing two keys within this AVL tree. - * So if you want to use null terminated strings as keys, you could use the - * ucx_strcmp() function here. - * - * @param cmpfunc the compare function that shall be used - * @param allocator the UcxAllocator that shall be used - * @return a new UcxAVLTree object - */ -UcxAVLTree *ucx_avl_new_a(cmp_func cmpfunc, UcxAllocator *allocator); - -/** - * Destroys an UcxAVLTree. - * @param tree the tree to destroy - */ -void ucx_avl_free(UcxAVLTree *tree); - -/** - * Macro for initializing a new UcxAVLTree with the default allocator and a - * ucx_ptrcmp() compare function. - * - * @return a new default UcxAVLTree object - */ -#define ucx_avl_default_new() ucx_avl_new_a(ucx_ptrcmp, ucx_default_allocator()) - -/** - * Gets the value from the tree, that is associated with the specified key. - * @param tree the UcxAVLTree - * @param key the key - * @return the value (or NULL, if the key is not present) - */ -void *ucx_avl_get(UcxAVLTree *tree, intptr_t key); - -/** - * Puts a key/value pair into the tree. - * @param tree the UcxAVLTree - * @param key the key - * @param value the new value - * @return the replaced value (or NULL, if the key is new to the - * tree) - */ -void* ucx_avl_put(UcxAVLTree *tree, intptr_t key, void *value); - -/** - * Removes an element from the AVL tree. - * @param tree the UcxAVLTree - * @param key the key - * @return the removed value (or NULL, if the key was not present) - */ -void* ucx_avl_remove(UcxAVLTree *tree, intptr_t key); - -/** - * Counts the nodes in the specified UcxAVLTree. - * @param tree the AVL tree - * @return the node count - */ -size_t ucx_avl_count(UcxAVLTree *tree); - -#ifdef __cplusplus -} -#endif - -#endif /* UCX_AVL_H */ - diff -r 39f4c5fcaa60 -r f62d271675bf ucx/logging.c --- a/ucx/logging.c Tue May 19 14:04:48 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,105 +0,0 @@ -/* - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. - * - * Copyright 2015 Olaf Wintermann. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "logging.h" -#include -#include -#include -#include - -UcxLogger *ucx_logger_new(void *stream, unsigned int level, unsigned int mask) { - UcxLogger *logger = (UcxLogger*) malloc(sizeof(UcxLogger)); - if (logger != NULL) { - logger->stream = stream; - logger->writer = (write_func)fwrite; - logger->dateformat = (char*) "%F %T %z "; - logger->level = level; - logger->mask = mask; - logger->levels = ucx_map_new(8); - - unsigned int l; - l = UCX_LOGGER_ERROR; - ucx_map_int_put(logger->levels, l, (void*) "[ERROR]"); - l = UCX_LOGGER_WARN; - ucx_map_int_put(logger->levels, l, (void*) "[WARNING]"); - l = UCX_LOGGER_INFO; - ucx_map_int_put(logger->levels, l, (void*) "[INFO]"); - l = UCX_LOGGER_TRACE; - ucx_map_int_put(logger->levels, l, (void*) "[TRACE]"); - } - - return logger; -} - -void ucx_logger_free(UcxLogger *logger) { - ucx_map_free(logger->levels); - free(logger); -} - -// estimated max. message length (documented) -#define UCX_LOGGER_MSGMAX 4096 - -void ucx_logger_logf(UcxLogger *logger, unsigned int level, const char* file, - const unsigned int line, const char *format, ...) { - if (level <= logger->level) { - char msg[UCX_LOGGER_MSGMAX]; - char *text; - size_t k = 0; - size_t n; - - if ((logger->mask & UCX_LOGGER_LEVEL) > 0) { - text = (char*) ucx_map_int_get(logger->levels, level); - n = strlen(text); - n = n > 256 ? 256 : n; - memcpy(msg+k, text, n); - k += n; - msg[k++] = ' '; - } - if ((logger->mask & UCX_LOGGER_TIMESTAMP) > 0) { - time_t now = time(NULL); - k += strftime(msg+k, 128, logger->dateformat, localtime(&now)); - } - if ((logger->mask & UCX_LOGGER_SOURCE) > 0) { - n = strlen(file); - memcpy(msg+k, file, n); - k += n; - k += sprintf(msg+k, ":%u ", line); - } - - msg[k++] = '-'; msg[k++] = ' '; - - va_list args; - va_start (args, format); - k += vsnprintf(msg+k, UCX_LOGGER_MSGMAX-k-1, format, args); - va_end (args); - - msg[k++] = '\n'; - - logger->writer(msg, 1, k, logger->stream); - } -} diff -r 39f4c5fcaa60 -r f62d271675bf ucx/logging.h --- a/ucx/logging.h Tue May 19 14:04:48 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,238 +0,0 @@ -/* - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. - * - * Copyright 2015 Olaf Wintermann. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -/** - * Logging API. - * - * @file logging.h - * @author Mike Becker, Olaf Wintermann - */ -#ifndef UCX_LOGGING_H -#define UCX_LOGGING_H - -#include "ucx.h" -#include "map.h" -#include "string.h" -#include - -#ifdef __cplusplus -extern "C" { -#endif - -/* leave enough space for custom log levels */ - -/** Log level for error messages. */ -#define UCX_LOGGER_ERROR 0x00 - -/** Log level for warning messages. */ -#define UCX_LOGGER_WARN 0x10 - -/** Log level for information messages. */ -#define UCX_LOGGER_INFO 0x20 - -/** Log level for debug messages. */ -#define UCX_LOGGER_DEBUG 0x30 - -/** Log level for trace messages. */ -#define UCX_LOGGER_TRACE 0x40 - -/** - * Output flag for the log level. - * If this flag is set, the log message will contain the log level. - * @see UcxLogger.mask - */ -#define UCX_LOGGER_LEVEL 0x01 - -/** - * Output flag for the timestmap. - * If this flag is set, the log message will contain the timestmap. - * @see UcxLogger.mask - */ -#define UCX_LOGGER_TIMESTAMP 0x02 - -/** - * Output flag for the source. - * If this flag is set, the log message will contain the source file and line - * number. - * @see UcxLogger.mask - */ -#define UCX_LOGGER_SOURCE 0x04 - -/** - * The UCX Logger object. - */ -typedef struct { - /** The stream this logger writes its messages to.*/ - void *stream; - - /** - * The write function that shall be used. - * For standard file or stdout loggers this might be standard fwrite - * (default). - */ - write_func writer; - - /** - * The date format for timestamp outputs including the delimiter - * (default: "%F %T %z "). - * @see UCX_LOGGER_TIMESTAMP - */ - char *dateformat; - - /** - * The level, this logger operates on. - * If a log command is issued, the message will only be logged, if the log - * level of the message is less or equal than the log level of the logger. - */ - unsigned int level; - - /** - * A configuration mask for automatic output. - * For each flag that is set, the logger automatically outputs some extra - * information like the timestamp or the source file and line number. - * See the documentation for the flags for details. - */ - unsigned int mask; - - /** - * A map of valid log levels for this logger. - * - * The keys represent all valid log levels and the values provide string - * representations, that are used, if the UCX_LOGGER_LEVEL flag is set. - * - * The exact data types are unsigned int for the key and - * const char* for the value. - * - * @see UCX_LOGGER_LEVEL - */ - UcxMap* levels; -} UcxLogger; - -/** - * Creates a new logger. - * @param stream the stream, which the logger shall write to - * @param level the level on which the logger shall operate - * @param mask configuration mask (cf. UcxLogger.mask) - * @return a new logger object - */ -UcxLogger *ucx_logger_new(void *stream, unsigned int level, unsigned int mask); - -/** - * Destroys the logger. - * - * The map containing the valid log levels is also automatically destroyed. - * - * @param logger the logger to destroy - */ -void ucx_logger_free(UcxLogger* logger); - -/** - * Internal log function - use macros instead. - * - * This function uses the format and variadic arguments for a - * printf()-style output of the log message. - * - * Dependent on the UcxLogger.mask some information is prepended. The complete - * format is: - * - * [LEVEL] [TIMESTAMP] [SOURCEFILE]:[LINENO] message - * - * Attention: the message (including automatically generated information) - * is limited to 4096 characters. The level description is limited to - * 256 characters and the timestamp string is limited to 128 characters. - * - * @param logger the logger to use - * @param level the level to log on - * @param file information about the source file - * @param line information about the source line number - * @param format format string - * @param ... arguments - * @see ucx_logger_log() - */ -void ucx_logger_logf(UcxLogger *logger, unsigned int level, const char* file, - const unsigned int line, const char* format, ...); - -/** - * Logs a message at the specified level. - * @param logger the logger to use - * @param level the level to log the message on - * @param ... format string and arguments - * @see ucx_logger_logf() - */ -#define ucx_logger_log(logger, level, ...) \ - ucx_logger_logf(logger, level, __FILE__, __LINE__, __VA_ARGS__) - -/** - * Shortcut for logging an error message. - * @param logger the logger to use - * @param ... format string and arguments - * @see ucx_logger_logf() - */ -#define ucx_logger_error(logger, ...) \ - ucx_logger_log(logger, UCX_LOGGER_ERROR, __VA_ARGS__) - -/** - * Shortcut for logging an information message. - * @param logger the logger to use - * @param ... format string and arguments - * @see ucx_logger_logf() - */ -#define ucx_logger_info(logger, ...) \ - ucx_logger_log(logger, UCX_LOGGER_INFO, __VA_ARGS__) - -/** - * Shortcut for logging a warning message. - * @param logger the logger to use - * @param ... format string and arguments - * @see ucx_logger_logf() - */ -#define ucx_logger_warn(logger, ...) \ - ucx_logger_log(logger, UCX_LOGGER_WARN, __VA_ARGS__) - -/** - * Shortcut for logging a debug message. - * @param logger the logger to use - * @param ... format string and arguments - * @see ucx_logger_logf() - */ -#define ucx_logger_debug(logger, ...) \ - ucx_logger_log(logger, UCX_LOGGER_DEBUG, __VA_ARGS__) - -/** - * Shortcut for logging a trace message. - * @param logger the logger to use - * @param ... format string and arguments - * @see ucx_logger_logf() - */ -#define ucx_logger_trace(logger, ...) \ - ucx_logger_log(logger, UCX_LOGGER_TRACE, __VA_ARGS__) - -#ifdef __cplusplus -} -#endif - -#endif /* UCX_LOGGING_H */ diff -r 39f4c5fcaa60 -r f62d271675bf ucx/stack.c --- a/ucx/stack.c Tue May 19 14:04:48 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,143 +0,0 @@ -/* - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. - * - * Copyright 2015 Olaf Wintermann. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#include "stack.h" -#include - -static size_t ucx_stack_align(size_t n) { - int align = n % sizeof(void*); - if (align) { - n += sizeof(void*) - align; - } - return n; -} - -void ucx_stack_init(UcxStack *stack, char* space, size_t size) { - stack->size = size - size % sizeof(void*); - stack->space = space; - stack->top = NULL; - - stack->allocator.pool = stack; - stack->allocator.malloc = (ucx_allocator_malloc) ucx_stack_malloc; - stack->allocator.calloc = (ucx_allocator_calloc) ucx_stack_calloc; - stack->allocator.realloc = (ucx_allocator_realloc) ucx_stack_realloc; - stack->allocator.free = (ucx_allocator_free) ucx_stack_free; -} - -void *ucx_stack_malloc(UcxStack *stack, size_t n) { - - if (ucx_stack_avail(stack) < ucx_stack_align(n)) { - return NULL; - } else { - char *prev = stack->top; - if (stack->top) { - stack->top += ucx_stack_align(ucx_stack_topsize(stack)); - } else { - stack->top = stack->space; - } - - ((struct ucx_stack_metadata*)stack->top)->prev = prev; - ((struct ucx_stack_metadata*)stack->top)->size = n; - stack->top += sizeof(struct ucx_stack_metadata); - - return stack->top; - } -} - -void *ucx_stack_calloc(UcxStack *stack, size_t nelem, size_t elsize) { - void *mem = ucx_stack_malloc(stack, nelem*elsize); - memset(mem, 0, nelem*elsize); - return mem; -} - -void *ucx_stack_realloc(UcxStack *stack, void *ptr, size_t n) { - if (ptr == stack->top) { - if (stack->size - (stack->top - stack->space) < ucx_stack_align(n)) { - return NULL; - } else { - ((struct ucx_stack_metadata*)stack->top - 1)->size = n; - return ptr; - } - } else { - if (ucx_stack_align(((struct ucx_stack_metadata*)ptr - 1)->size) < - ucx_stack_align(n)) { - void *nptr = ucx_stack_malloc(stack, n); - if (nptr) { - memcpy(nptr, ptr, n); - ucx_stack_free(stack, ptr); - - return nptr; - } else { - return NULL; - } - } else { - ((struct ucx_stack_metadata*)ptr - 1)->size = n; - return ptr; - } - } -} - -void ucx_stack_free(UcxStack *stack, void *ptr) { - if (ptr == stack->top) { - stack->top = ((struct ucx_stack_metadata*) stack->top - 1)->prev; - } else { - struct ucx_stack_metadata *next = (struct ucx_stack_metadata*)( - (char*)ptr + - ucx_stack_align(((struct ucx_stack_metadata*) ptr - 1)->size) - ); - next->prev = ((struct ucx_stack_metadata*) ptr - 1)->prev; - } -} - -void ucx_stack_popn(UcxStack *stack, void *dest, size_t n) { - if (ucx_stack_empty(stack)) { - return; - } - - size_t len = ucx_stack_topsize(stack); - if (len > n) { - len = n; - } - - memcpy(dest, stack->top, len); - - ucx_stack_free(stack, stack->top); -} - -size_t ucx_stack_avail(UcxStack *stack) { - size_t avail = ((stack->top ? (stack->size - - (stack->top - stack->space) - - ucx_stack_align(ucx_stack_topsize(stack))) - : stack->size)); - - if (avail > sizeof(struct ucx_stack_metadata)) { - return avail - sizeof(struct ucx_stack_metadata); - } else { - return 0; - } -} diff -r 39f4c5fcaa60 -r f62d271675bf ucx/stack.h --- a/ucx/stack.h Tue May 19 14:04:48 2015 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,233 +0,0 @@ -/* - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. - * - * Copyright 2015 Olaf Wintermann. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -/** - * @file stack.h - * - * Default stack memory allocation implementation. - * - * @author Mike Becker - * @author Olaf Wintermann - */ - -#ifndef UCX_STACK_H -#define UCX_STACK_H - -#include "ucx.h" -#include -#include "allocator.h" - -#ifdef __cplusplus -extern "C" { -#endif - - -/** - * UCX stack structure. - */ -typedef struct { - /** UcxAllocator based on this stack */ - UcxAllocator allocator; - - /** Stack size. */ - size_t size; - - /** Pointer to the bottom of the stack */ - char *space; - - /** Pointer to the top of the stack */ - char *top; -} UcxStack; - -/** - * Metadata for each UCX stack element. - */ -struct ucx_stack_metadata { - /** - * Location of the previous element (NULL if this is the first) - */ - char *prev; - - /** Size of this element */ - size_t size; -}; - -/** - * Initializes UcxStack structure with memory. - * - * @param stack a pointer to an uninitialized stack structure - * @param space the memory area that shall be managed - * @param size size of the memory area - * @return a new UcxStack structure - */ -void ucx_stack_init(UcxStack *stack, char* space, size_t size); - -/** - * Allocates stack memory. - * - * @param stack a pointer to the stack - * @param n amount of memory to allocate - * @return a pointer to the allocated memory - * @see ucx_allocator_malloc() - */ -void *ucx_stack_malloc(UcxStack *stack, size_t n); - -/** - * Alias for #ucx_stack_malloc(). - * @param stack a pointer to the stack - * @param n amount of memory to allocate - * @return a pointer to the allocated memory - * @see ucx_stack_malloc - */ -#define ucx_stack_push(stack, n) ucx_stack_malloc(stack, n) - -/** - * Allocates an array of stack memory - * - * The content of the allocated memory is set to zero. - * - * @param stack a pointer to the stack - * @param nelem amount of elements to allocate - * @param elsize amount of memory per element - * @return a pointer to the allocated memory - * @see ucx_allocator_calloc() - */ -void *ucx_stack_calloc(UcxStack *stack, size_t nelem, size_t elsize); - -/** - * Alias for #ucx_stack_calloc(). - * - * @param stack a pointer to the stack - * @param n amount of elements to allocate - * @param elsize amount of memory per element - * @return a pointer to the allocated memory - * @see ucx_stack_calloc - */ -#define ucx_stack_pusharr(stack,n,elsize) ucx_stack_calloc(stack,n,elssize) - -/** - * Reallocates memory on the stack. - * - * Shrinking memory is always safe. Extending memory can be very expensive. - * - * @param stack the stack - * @param ptr a pointer to the memory that shall be reallocated - * @param n the new size of the memory - * @return a pointer to the new location of the memory - * @see ucx_allocator_realloc() - */ -void *ucx_stack_realloc(UcxStack *stack, void *ptr, size_t n); - -/** - * Frees memory on the stack. - * - * Freeing stack memory behaves in a special way. - * - * If the element, that should be freed, is the top most element of the stack, - * it is removed from the stack. Otherwise it is marked as freed. Marked - * elements are removed, when they become the top most elements of the stack. - * - * @param stack a pointer to the stack - * @param ptr a pointer to the memory that shall be freed - */ -void ucx_stack_free(UcxStack *stack, void *ptr); - - -/** - * Returns the size of the top most element. - * @param stack a pointer to the stack - * @return the size of the top most element - */ -#define ucx_stack_topsize(stack) ((stack)->top ? ((struct ucx_stack_metadata*)\ - (stack)->top - 1)->size : 0) - -/** - * Removes the top most element from the stack and copies the content to - * dest, if specified. - * - * Use #ucx_stack_topsize()# to get the amount of memory that must be available - * at the location of dest. - * - * @param stack a pointer to the stack - * @param dest the location where the contents shall be written to, or - * NULL, if the element shall only be removed. - * @see ucx_stack_free - * @see ucx_stack_popn - */ -#define ucx_stack_pop(stack, dest) ucx_stack_popn(stack, dest, SIZE_MAX) - -/** - * Removes the top most element from the stack and copies the content to - * dest. - * - * In contrast to #ucx_stack_pop() the dest pointer MUST - * NOT be NULL. - * - * @param stack a pointer to the stack - * @param dest the location where the contents shall be written to - * @param n copies at most n elements to dest - * @see ucx_stack_pop - */ -void ucx_stack_popn(UcxStack *stack, void *dest, size_t n); - -/** - * Returns the remaining available memory on the specified stack. - * - * @param stack a pointer to the stack - * @return the remaining available memory - */ -size_t ucx_stack_avail(UcxStack *stack); - -/** - * Checks, if the stack is empty. - * - * @param stack a pointer to the stack - * @return nonzero, if the stack is empty, zero otherwise - */ -#define ucx_stack_empty(stack) (!(stack)->top) - -/** - * Computes a recommended size for the stack memory area. Note, that - * reallocations have not been taken into account, so you might need to reserve - * twice as much memory to allow many reallocations. - * - * @param size the approximate payload - * @param elems the approximate count of element allocations - * @return a recommended size for the stack space based on the information - * provided - */ -#define ucx_stack_dim(size, elems) (size+sizeof(struct ucx_stack_metadata) * \ - (elems + 1)) - - -#ifdef __cplusplus -} -#endif - -#endif /* UCX_STACK_H */ -