1.1 --- a/src/ucx/utils.c Thu Nov 10 18:44:48 2016 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,259 +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 -#include "utils.h"
1.33 -#include <math.h>
1.34 -#include <stdio.h>
1.35 -#include <limits.h>
1.36 -#include <errno.h>
1.37 -
1.38 -/* COPY FUCNTIONS */
1.39 -void* ucx_strcpy(void* s, void* data) {
1.40 - char *str = (char*) s;
1.41 - size_t n = 1+strlen(str);
1.42 - char *cpy = (char*) malloc(n);
1.43 - memcpy(cpy, str, n);
1.44 - return cpy;
1.45 -}
1.46 -
1.47 -void* ucx_memcpy(void* m, void* n) {
1.48 - size_t k = *((size_t*)n);
1.49 - void *cpy = malloc(k);
1.50 - memcpy(cpy, m, k);
1.51 - return cpy;
1.52 -}
1.53 -
1.54 -size_t ucx_stream_copy(void *src, void *dest, read_func readfnc,
1.55 - write_func writefnc, char* buf, size_t bufsize, size_t n) {
1.56 - if(n == 0 || bufsize == 0) {
1.57 - return 0;
1.58 - }
1.59 -
1.60 - char *lbuf;
1.61 - size_t ncp = 0;
1.62 -
1.63 - if(buf) {
1.64 - lbuf = buf;
1.65 - } else {
1.66 - lbuf = (char*)malloc(bufsize);
1.67 - if(lbuf == NULL) {
1.68 - return 0;
1.69 - }
1.70 - }
1.71 -
1.72 - size_t r;
1.73 - size_t rn = bufsize > n ? n : bufsize;
1.74 - while((r = readfnc(lbuf, 1, rn, src)) != 0) {
1.75 - r = writefnc(lbuf, 1, r, dest);
1.76 - ncp += r;
1.77 - n -= r;
1.78 - rn = bufsize > n ? n : bufsize;
1.79 - if(r == 0 || n == 0) {
1.80 - break;
1.81 - }
1.82 - }
1.83 -
1.84 - if (lbuf != buf) {
1.85 - free(lbuf);
1.86 - }
1.87 -
1.88 - return ncp;
1.89 -}
1.90 -
1.91 -/* COMPARE FUNCTIONS */
1.92 -
1.93 -int ucx_strcmp(void *s1, void *s2, void *data) {
1.94 - return strcmp((char*)s1, (char*)s2);
1.95 -}
1.96 -
1.97 -int ucx_strncmp(void *s1, void *s2, void *n) {
1.98 - return strncmp((char*)s1, (char*)s2, *((size_t*) n));
1.99 -}
1.100 -
1.101 -int ucx_intcmp(void *i1, void *i2, void *data) {
1.102 - int a = *((int*) i1);
1.103 - int b = *((int*) i2);
1.104 - if (a == b) {
1.105 - return 0;
1.106 - } else {
1.107 - return a < b ? -1 : 1;
1.108 - }
1.109 -}
1.110 -
1.111 -int ucx_floatcmp(void *f1, void *f2, void *epsilon) {
1.112 - float a = *((float*) f1);
1.113 - float b = *((float*) f2);
1.114 - float e = !epsilon ? 1e-6f : *((float*)epsilon);
1.115 - if (fabsf(a - b) < e) {
1.116 - return 0;
1.117 - } else {
1.118 - return a < b ? -1 : 1;
1.119 - }
1.120 -}
1.121 -
1.122 -int ucx_doublecmp(void *d1, void *d2, void *epsilon) {
1.123 - double a = *((float*) d1);
1.124 - double b = *((float*) d2);
1.125 - double e = !epsilon ? 1e-14 : *((double*)epsilon);
1.126 - if (fabs(a - b) < e) {
1.127 - return 0;
1.128 - } else {
1.129 - return a < b ? -1 : 1;
1.130 - }
1.131 -}
1.132 -
1.133 -int ucx_ptrcmp(void *ptr1, void *ptr2, void *data) {
1.134 - intptr_t p1 = (intptr_t) ptr1;
1.135 - intptr_t p2 = (intptr_t) ptr2;
1.136 - if (p1 == p2) {
1.137 - return 0;
1.138 - } else {
1.139 - return p1 < p2 ? -1 : 1;
1.140 - }
1.141 -}
1.142 -
1.143 -int ucx_memcmp(void *ptr1, void *ptr2, void *n) {
1.144 - return memcmp(ptr1, ptr2, *((size_t*)n));
1.145 -}
1.146 -
1.147 -/* PRINTF FUNCTIONS */
1.148 -
1.149 -#ifdef va_copy
1.150 -#define UCX_PRINTF_BUFSIZE 256
1.151 -#else
1.152 -#pragma message("WARNING: C99 va_copy macro not supported by this platform" \
1.153 - " - limiting ucx_*printf to 2 KiB")
1.154 -#define UCX_PRINTF_BUFSIZE 0x800
1.155 -#endif
1.156 -
1.157 -int ucx_fprintf(void *stream, write_func wfc, const char *fmt, ...) {
1.158 - int ret;
1.159 - va_list ap;
1.160 - va_start(ap, fmt);
1.161 - ret = ucx_vfprintf(stream, wfc, fmt, ap);
1.162 - va_end(ap);
1.163 - return ret;
1.164 -}
1.165 -
1.166 -int ucx_vfprintf(void *stream, write_func wfc, const char *fmt, va_list ap) {
1.167 - char buf[UCX_PRINTF_BUFSIZE];
1.168 -#ifdef va_copy
1.169 - va_list ap2;
1.170 - va_copy(ap2, ap);
1.171 - int ret = vsnprintf(buf, UCX_PRINTF_BUFSIZE, fmt, ap);
1.172 - if (ret < 0) {
1.173 - return ret;
1.174 - } else if (ret < UCX_PRINTF_BUFSIZE) {
1.175 - return (int)wfc(buf, 1, ret, stream);
1.176 - } else {
1.177 - if (ret == INT_MAX) {
1.178 - errno = ENOMEM;
1.179 - return -1;
1.180 - }
1.181 -
1.182 - int len = ret + 1;
1.183 - char *newbuf = (char*)malloc(len);
1.184 - if (!newbuf) {
1.185 - return -1;
1.186 - }
1.187 -
1.188 - ret = vsnprintf(newbuf, len, fmt, ap2);
1.189 - if (ret > 0) {
1.190 - ret = (int)wfc(newbuf, 1, ret, stream);
1.191 - }
1.192 - free(newbuf);
1.193 - }
1.194 - return ret;
1.195 -#else
1.196 - int ret = vsnprintf(buf, UCX_PRINTF_BUFSIZE, fmt, ap);
1.197 - if (ret < 0) {
1.198 - return ret;
1.199 - } else if (ret < UCX_PRINTF_BUFSIZE) {
1.200 - return (int)wfc(buf, 1, ret, stream);
1.201 - } else {
1.202 - errno = ENOMEM;
1.203 - return -1;
1.204 - }
1.205 -#endif
1.206 -}
1.207 -
1.208 -sstr_t ucx_asprintf(UcxAllocator *allocator, const char *fmt, ...) {
1.209 - va_list ap;
1.210 - sstr_t ret;
1.211 - va_start(ap, fmt);
1.212 - ret = ucx_vasprintf(allocator, fmt, ap);
1.213 - va_end(ap);
1.214 - return ret;
1.215 -}
1.216 -
1.217 -sstr_t ucx_vasprintf(UcxAllocator *a, const char *fmt, va_list ap) {
1.218 - sstr_t s;
1.219 - s.ptr = NULL;
1.220 - s.length = 0;
1.221 - char buf[UCX_PRINTF_BUFSIZE];
1.222 -#ifdef va_copy
1.223 - va_list ap2;
1.224 - va_copy(ap2, ap);
1.225 - int ret = vsnprintf(buf, UCX_PRINTF_BUFSIZE, fmt, ap);
1.226 - if (ret > 0 && ret < UCX_PRINTF_BUFSIZE) {
1.227 - s.ptr = (char*)almalloc(a, ret + 1);
1.228 - if (s.ptr) {
1.229 - s.length = (size_t)ret;
1.230 - memcpy(s.ptr, buf, ret);
1.231 - s.ptr[s.length] = '\0';
1.232 - }
1.233 - } else if (ret == INT_MAX) {
1.234 - errno = ENOMEM;
1.235 - } else {
1.236 - int len = ret + 1;
1.237 - s.ptr = (char*)almalloc(a, len);
1.238 - if (s.ptr) {
1.239 - ret = vsnprintf(s.ptr, len, fmt, ap2);
1.240 - if (ret < 0) {
1.241 - free(s.ptr);
1.242 - s.ptr = NULL;
1.243 - } else {
1.244 - s.length = (size_t)ret;
1.245 - }
1.246 - }
1.247 - }
1.248 -#else
1.249 - int ret = vsnprintf(buf, UCX_PRINTF_BUFSIZE, fmt, ap);
1.250 - if (ret > 0 && ret < UCX_PRINTF_BUFSIZE) {
1.251 - s.ptr = (char*)almalloc(a, ret + 1);
1.252 - if (s.ptr) {
1.253 - s.length = (size_t)ret;
1.254 - memcpy(s.ptr, buf, ret);
1.255 - s.ptr[s.length] = '\0';
1.256 - }
1.257 - } else {
1.258 - errno = ENOMEM;
1.259 - }
1.260 -#endif
1.261 - return s;
1.262 -}
