1.1 --- a/src/ucx/utils.h Thu Nov 10 18:44:48 2016 +0100 1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 1.3 @@ -1,254 +0,0 @@ 1.4 -/* 1.5 - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. 1.6 - * 1.7 - * Copyright 2015 Olaf Wintermann. All rights reserved. 1.8 - * 1.9 - * Redistribution and use in source and binary forms, with or without 1.10 - * modification, are permitted provided that the following conditions are met: 1.11 - * 1.12 - * 1. Redistributions of source code must retain the above copyright 1.13 - * notice, this list of conditions and the following disclaimer. 1.14 - * 1.15 - * 2. Redistributions in binary form must reproduce the above copyright 1.16 - * notice, this list of conditions and the following disclaimer in the 1.17 - * documentation and/or other materials provided with the distribution. 1.18 - * 1.19 - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 1.20 - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1.21 - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1.22 - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 1.23 - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 1.24 - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 1.25 - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 1.26 - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 1.27 - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 1.28 - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 1.29 - * POSSIBILITY OF SUCH DAMAGE. 1.30 - */ 1.31 - 1.32 -/** 1.33 - * @file utils.h 1.34 - * 1.35 - * Compare, copy and printf functions. 1.36 - * 1.37 - * @author Mike Becker 1.38 - * @author Olaf Wintermann 1.39 - */ 1.40 - 1.41 -#ifndef UCX_UTILS_H 1.42 -#define UCX_UTILS_H 1.43 - 1.44 -#ifdef __cplusplus 1.45 -extern "C" { 1.46 -#endif 1.47 - 1.48 -#include "ucx.h" 1.49 -#include "string.h" 1.50 -#include "allocator.h" 1.51 -#include <inttypes.h> 1.52 -#include <string.h> 1.53 -#include <stdarg.h> 1.54 - 1.55 -/** 1.56 - * Copies a string. 1.57 - * @param s the string to copy 1.58 - * @param data omitted 1.59 - * @return a pointer to a copy of s1 that can be passed to free(void*) 1.60 - */ 1.61 -void *ucx_strcpy(void *s, void *data); 1.62 - 1.63 -/** 1.64 - * Copies a memory area. 1.65 - * @param m a pointer to the memory area 1.66 - * @param n a pointer to the size_t containing the size of the memory area 1.67 - * @return a pointer to a copy of the specified memory area that can 1.68 - * be passed to free(void*) 1.69 - */ 1.70 -void *ucx_memcpy(void *m, void *n); 1.71 - 1.72 - 1.73 -/** 1.74 - * Reads data from a stream and writes it to another stream. 1.75 - * 1.76 - * @param src the source stream 1.77 - * @param dest the destination stream 1.78 - * @param rfnc the read function 1.79 - * @param wfnc the write function 1.80 - * @param buf a pointer to the copy buffer or <code>NULL</code> if a buffer 1.81 - * shall be implicitly created on the heap 1.82 - * @param bufsize the size of the copy buffer - if <code>NULL</code> was 1.83 - * provided for <code>buf</code>, this is the size of the buffer that shall be 1.84 - * implicitly created 1.85 - * @param n the maximum number of bytes that shall be copied 1.86 - * @return the total number of bytes copied 1.87 - */ 1.88 -size_t ucx_stream_copy(void *src, void *dest, read_func rfnc, write_func wfnc, 1.89 - char* buf, size_t bufsize, size_t n); 1.90 - 1.91 -/** 1.92 - * Shorthand for ucx_stream_copy using the default copy buffer. 1.93 - * 1.94 - * @param src the source stream 1.95 - * @param dest the destination stream 1.96 - * @param rfnc the read function 1.97 - * @param wfnc the write function 1.98 - * @return total number of bytes copied 1.99 - */ 1.100 -#define ucx_stream_hcopy(src,dest,rfnc,wfnc) ucx_stream_copy(\ 1.101 - src, dest, (read_func)rfnc, (write_func)wfnc, NULL, 0x100, (size_t)-1) 1.102 - 1.103 -/** 1.104 - * Shorthand for ucx_stream_copy using the default copy buffer and a copy limit. 1.105 - * 1.106 - * @param src the source stream 1.107 - * @param dest the destination stream 1.108 - * @param rfnc the read function 1.109 - * @param wfnc the write function 1.110 - * @param n maximum number of bytes that shall be copied 1.111 - * @return total number of bytes copied 1.112 - */ 1.113 -#define ucx_stream_ncopy(src,dest,rfnc,wfnc, n) ucx_stream_copy(\ 1.114 - src, dest, (read_func)rfnc, (write_func)wfnc, NULL, 0x100, n) 1.115 - 1.116 -/** 1.117 - * Wraps the strcmp function. 1.118 - * @param s1 string one 1.119 - * @param s2 string two 1.120 - * @param data omitted 1.121 - * @return the result of strcmp(s1, s2) 1.122 - */ 1.123 -int ucx_strcmp(void *s1, void *s2, void *data); 1.124 - 1.125 -/** 1.126 - * Wraps the strncmp function. 1.127 - * @param s1 string one 1.128 - * @param s2 string two 1.129 - * @param n a pointer to the size_t containing the third strncmp parameter 1.130 - * @return the result of strncmp(s1, s2, *n) 1.131 - */ 1.132 -int ucx_strncmp(void *s1, void *s2, void *n); 1.133 - 1.134 -/** 1.135 - * Compares two integers of type int. 1.136 - * @param i1 pointer to integer one 1.137 - * @param i2 pointer to integer two 1.138 - * @param data omitted 1.139 - * @return -1, if *i1 is less than *i2, 0 if both are equal, 1.140 - * 1 if *i1 is greater than *i2 1.141 - */ 1.142 -int ucx_intcmp(void *i1, void *i2, void *data); 1.143 - 1.144 -/** 1.145 - * Compares two real numbers of type float. 1.146 - * @param f1 pointer to float one 1.147 - * @param f2 pointer to float two 1.148 - * @param data if provided: a pointer to precision (default: 1e-6f) 1.149 - * @return -1, if *f1 is less than *f2, 0 if both are equal, 1.150 - * 1 if *f1 is greater than *f2 1.151 - */ 1.152 - 1.153 -int ucx_floatcmp(void *f1, void *f2, void *data); 1.154 - 1.155 -/** 1.156 - * Compares two real numbers of type double. 1.157 - * @param d1 pointer to double one 1.158 - * @param d2 pointer to double two 1.159 - * @param data if provided: a pointer to precision (default: 1e-14) 1.160 - * @return -1, if *d1 is less than *d2, 0 if both are equal, 1.161 - * 1 if *d1 is greater than *d2 1.162 - */ 1.163 -int ucx_doublecmp(void *d1, void *d2, void *data); 1.164 - 1.165 -/** 1.166 - * Compares two pointers. 1.167 - * @param ptr1 pointer one 1.168 - * @param ptr2 pointer two 1.169 - * @param data omitted 1.170 - * @return -1 if ptr1 is less than ptr2, 0 if both are equal, 1.171 - * 1 if ptr1 is greater than ptr2 1.172 - */ 1.173 -int ucx_ptrcmp(void *ptr1, void *ptr2, void *data); 1.174 - 1.175 -/** 1.176 - * Compares two memory areas. 1.177 - * @param ptr1 pointer one 1.178 - * @param ptr2 pointer two 1.179 - * @param n a pointer to the size_t containing the third parameter for memcmp 1.180 - * @return the result of memcmp(ptr1, ptr2, *n) 1.181 - */ 1.182 -int ucx_memcmp(void *ptr1, void *ptr2, void *n); 1.183 - 1.184 -/** 1.185 - * A <code>printf()</code> like function which writes the output to a stream by 1.186 - * using a write_func(). 1.187 - * @param stream the stream the data is written to 1.188 - * @param wfc the write function 1.189 - * @param fmt format string 1.190 - * @param ... additional arguments 1.191 - * @return the total number of bytes written 1.192 - */ 1.193 -int ucx_fprintf(void *stream, write_func wfc, const char *fmt, ...); 1.194 - 1.195 -/** 1.196 - * <code>va_list</code> version of ucx_fprintf(). 1.197 - * @param stream the stream the data is written to 1.198 - * @param wfc the write function 1.199 - * @param fmt format string 1.200 - * @param ap argument list 1.201 - * @return the total number of bytes written 1.202 - * @see ucx_fprintf() 1.203 - */ 1.204 -int ucx_vfprintf(void *stream, write_func wfc, const char *fmt, va_list ap); 1.205 - 1.206 -/** 1.207 - * A <code>printf()</code> like function which allocates space for a sstr_t 1.208 - * the result is written to. 1.209 - * 1.210 - * <b>Attention</b>: The sstr_t data is allocated with the allocators 1.211 - * ucx_allocator_malloc() function. So it is implementation dependent, if 1.212 - * the returned sstr_t.ptr pointer must be passed to the allocators 1.213 - * ucx_allocator_free() function manually. 1.214 - * 1.215 - * <b>Note</b>: The sstr_t.ptr of the return value will <i>always</i> be 1.216 - * <code>NULL</code>-terminated. 1.217 - * 1.218 - * @param allocator the UcxAllocator used for allocating the result sstr_t 1.219 - * @param fmt format string 1.220 - * @param ... additional arguments 1.221 - * @return a sstr_t containing the formatted string 1.222 - */ 1.223 -sstr_t ucx_asprintf(UcxAllocator *allocator, const char *fmt, ...); 1.224 - 1.225 -/** Shortcut for ucx_asprintf() with default allocator. */ 1.226 -#define ucx_sprintf(fmt, ...) \ 1.227 - ucx_asprintf(ucx_default_allocator(), fmt, __VA_ARGS__) 1.228 - 1.229 -/** 1.230 - * <code>va_list</code> version of ucx_asprintf(). 1.231 - * 1.232 - * @param allocator the UcxAllocator used for allocating the result sstr_t 1.233 - * @param fmt format string 1.234 - * @param ap argument list 1.235 - * @return a sstr_t containing the formatted string 1.236 - * @see ucx_asprintf() 1.237 - */ 1.238 -sstr_t ucx_vasprintf(UcxAllocator *allocator, const char *fmt, va_list ap); 1.239 - 1.240 -/** 1.241 - * A <code>printf()</code> like function which writes the output to an 1.242 - * UcxBuffer. 1.243 - * 1.244 - * @param buffer the buffer the data is written to 1.245 - * @param ... format string and additional arguments 1.246 - * @return the total number of bytes written 1.247 - * @see ucx_fprintf() 1.248 - */ 1.249 -#define ucx_bprintf(buffer, ...) ucx_fprintf((UcxBuffer*)buffer, \ 1.250 - (write_func)ucx_buffer_write, __VA_ARGS__) 1.251 - 1.252 -#ifdef __cplusplus 1.253 -} 1.254 -#endif 1.255 - 1.256 -#endif /* UCX_UTILS_H */ 1.257 -