src/ucx/utils.c

Mon, 18 Apr 2022 13:17:50 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Mon, 18 Apr 2022 13:17:50 +0200
branch
webdav
changeset 296
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parent 254
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child 415
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permissions
-rw-r--r--

implement pg rmdir

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2017 Mike Becker, Olaf Wintermann All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include "ucx/utils.h"
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30
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31 #include <math.h>
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32 #include <stdio.h>
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33 #include <limits.h>
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34 #include <errno.h>
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35
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36 /* COPY FUCNTIONS */
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37 void* ucx_strcpy(const void* s, void* data) {
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38 const char *str = (const char*) s;
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39 size_t n = 1+strlen(str);
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40 char *cpy = (char*) malloc(n);
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41 memcpy(cpy, str, n);
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42 return cpy;
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43 }
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44
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45 void* ucx_memcpy(const void* m, void* n) {
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46 size_t k = *((size_t*)n);
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47 void *cpy = malloc(k);
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48 memcpy(cpy, m, k);
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49 return cpy;
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50 }
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51
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52 size_t ucx_stream_bncopy(void *src, void *dest, read_func readfnc,
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53 write_func writefnc, char* buf, size_t bufsize, size_t n) {
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54 if(n == 0 || bufsize == 0) {
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55 return 0;
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56 }
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57
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58 char *lbuf;
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59 size_t ncp = 0;
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60
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61 if(buf) {
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62 lbuf = buf;
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63 } else {
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64 lbuf = (char*)malloc(bufsize);
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65 if(lbuf == NULL) {
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66 return 0;
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67 }
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68 }
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69
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70 size_t r;
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71 size_t rn = bufsize > n ? n : bufsize;
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72 while((r = readfnc(lbuf, 1, rn, src)) != 0) {
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73 r = writefnc(lbuf, 1, r, dest);
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74 ncp += r;
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75 n -= r;
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76 rn = bufsize > n ? n : bufsize;
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77 if(r == 0 || n == 0) {
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78 break;
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79 }
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80 }
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81
99
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82 if (lbuf != buf) {
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83 free(lbuf);
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84 }
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85
91
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86 return ncp;
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87 }
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88
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89 /* COMPARE FUNCTIONS */
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90
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91 int ucx_cmp_str(const void *s1, const void *s2, void *data) {
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92 return strcmp((const char*)s1, (const char*)s2);
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93 }
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94
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95 int ucx_cmp_strn(const void *s1, const void *s2, void *n) {
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96 return strncmp((const char*)s1, (const char*)s2, *((size_t*) n));
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97 }
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98
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99 int ucx_cmp_sstr(const void *s1, const void *s2, void *data) {
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100 sstr_t a = *(const sstr_t*) s1;
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101 sstr_t b = *(const sstr_t*) s2;
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102 return sstrcmp(a, b);
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103 }
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104
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105 int ucx_cmp_int(const void *i1, const void *i2, void *data) {
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106 int a = *((const int*) i1);
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107 int b = *((const int*) i2);
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108 if (a == b) {
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109 return 0;
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110 } else {
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111 return a < b ? -1 : 1;
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112 }
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113 }
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114
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115 int ucx_cmp_longint(const void *i1, const void *i2, void *data) {
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116 long int a = *((const long int*) i1);
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117 long int b = *((const long int*) i2);
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118 if (a == b) {
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119 return 0;
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120 } else {
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121 return a < b ? -1 : 1;
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122 }
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123 }
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124
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125 int ucx_cmp_longlong(const void *i1, const void *i2, void *data) {
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126 long long a = *((const long long*) i1);
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127 long long b = *((const long long*) i2);
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128 if (a == b) {
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129 return 0;
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130 } else {
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131 return a < b ? -1 : 1;
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132 }
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133 }
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134
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135 int ucx_cmp_int16(const void *i1, const void *i2, void *data) {
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136 int16_t a = *((const int16_t*) i1);
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137 int16_t b = *((const int16_t*) i2);
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138 if (a == b) {
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139 return 0;
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140 } else {
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141 return a < b ? -1 : 1;
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142 }
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143 }
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144
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145 int ucx_cmp_int32(const void *i1, const void *i2, void *data) {
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146 int32_t a = *((const int32_t*) i1);
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147 int32_t b = *((const int32_t*) i2);
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148 if (a == b) {
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149 return 0;
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150 } else {
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151 return a < b ? -1 : 1;
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152 }
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153 }
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154
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155 int ucx_cmp_int64(const void *i1, const void *i2, void *data) {
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156 int64_t a = *((const int64_t*) i1);
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157 int64_t b = *((const int64_t*) i2);
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158 if (a == b) {
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159 return 0;
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parents: 135
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160 } else {
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parents: 135
diff changeset
161 return a < b ? -1 : 1;
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parents: 135
diff changeset
162 }
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parents: 135
diff changeset
163 }
4784c14aa639 ucx update
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parents: 135
diff changeset
164
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parents: 135
diff changeset
165 int ucx_cmp_uint(const void *i1, const void *i2, void *data) {
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diff changeset
166 unsigned int a = *((const unsigned int*) i1);
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diff changeset
167 unsigned int b = *((const unsigned int*) i2);
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parents: 135
diff changeset
168 if (a == b) {
4784c14aa639 ucx update
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parents: 135
diff changeset
169 return 0;
4784c14aa639 ucx update
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parents: 135
diff changeset
170 } else {
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parents: 135
diff changeset
171 return a < b ? -1 : 1;
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parents: 135
diff changeset
172 }
4784c14aa639 ucx update
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parents: 135
diff changeset
173 }
4784c14aa639 ucx update
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parents: 135
diff changeset
174
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diff changeset
175 int ucx_cmp_ulongint(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
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diff changeset
176 unsigned long int a = *((const unsigned long int*) i1);
4784c14aa639 ucx update
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diff changeset
177 unsigned long int b = *((const unsigned long int*) i2);
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diff changeset
178 if (a == b) {
4784c14aa639 ucx update
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diff changeset
179 return 0;
4784c14aa639 ucx update
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parents: 135
diff changeset
180 } else {
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diff changeset
181 return a < b ? -1 : 1;
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parents: 135
diff changeset
182 }
4784c14aa639 ucx update
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parents: 135
diff changeset
183 }
4784c14aa639 ucx update
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diff changeset
184
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diff changeset
185 int ucx_cmp_ulonglong(const void *i1, const void *i2, void *data) {
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diff changeset
186 unsigned long long a = *((const unsigned long long*) i1);
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diff changeset
187 unsigned long long b = *((const unsigned long long*) i2);
91
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188 if (a == b) {
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189 return 0;
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parents:
diff changeset
190 } else {
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parents:
diff changeset
191 return a < b ? -1 : 1;
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diff changeset
192 }
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193 }
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diff changeset
194
254
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diff changeset
195 int ucx_cmp_uint16(const void *i1, const void *i2, void *data) {
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196 uint16_t a = *((const uint16_t*) i1);
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197 uint16_t b = *((const uint16_t*) i2);
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diff changeset
198 if (a == b) {
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diff changeset
199 return 0;
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parents: 135
diff changeset
200 } else {
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diff changeset
201 return a < b ? -1 : 1;
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parents: 135
diff changeset
202 }
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parents: 135
diff changeset
203 }
4784c14aa639 ucx update
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diff changeset
204
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diff changeset
205 int ucx_cmp_uint32(const void *i1, const void *i2, void *data) {
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206 uint32_t a = *((const uint32_t*) i1);
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diff changeset
207 uint32_t b = *((const uint32_t*) i2);
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parents: 135
diff changeset
208 if (a == b) {
4784c14aa639 ucx update
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diff changeset
209 return 0;
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parents: 135
diff changeset
210 } else {
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parents: 135
diff changeset
211 return a < b ? -1 : 1;
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parents: 135
diff changeset
212 }
4784c14aa639 ucx update
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parents: 135
diff changeset
213 }
4784c14aa639 ucx update
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parents: 135
diff changeset
214
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parents: 135
diff changeset
215 int ucx_cmp_uint64(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
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parents: 135
diff changeset
216 uint64_t a = *((const uint64_t*) i1);
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diff changeset
217 uint64_t b = *((const uint64_t*) i2);
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parents: 135
diff changeset
218 if (a == b) {
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diff changeset
219 return 0;
4784c14aa639 ucx update
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parents: 135
diff changeset
220 } else {
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diff changeset
221 return a < b ? -1 : 1;
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parents: 135
diff changeset
222 }
4784c14aa639 ucx update
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parents: 135
diff changeset
223 }
4784c14aa639 ucx update
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parents: 135
diff changeset
224
4784c14aa639 ucx update
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parents: 135
diff changeset
225 intmax_t ucx_dist_int(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
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parents: 135
diff changeset
226 intmax_t a = *((const int*) i1);
4784c14aa639 ucx update
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diff changeset
227 intmax_t b = *((const int*) i2);
4784c14aa639 ucx update
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diff changeset
228 return a - b;
4784c14aa639 ucx update
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parents: 135
diff changeset
229 }
4784c14aa639 ucx update
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diff changeset
230
4784c14aa639 ucx update
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parents: 135
diff changeset
231 intmax_t ucx_dist_longint(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
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parents: 135
diff changeset
232 intmax_t a = *((const long int*) i1);
4784c14aa639 ucx update
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parents: 135
diff changeset
233 intmax_t b = *((const long int*) i2);
4784c14aa639 ucx update
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parents: 135
diff changeset
234 return a - b;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
235 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
236
4784c14aa639 ucx update
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parents: 135
diff changeset
237 intmax_t ucx_dist_longlong(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
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parents: 135
diff changeset
238 intmax_t a = *((const long long*) i1);
4784c14aa639 ucx update
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parents: 135
diff changeset
239 intmax_t b = *((const long long*) i2);
4784c14aa639 ucx update
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parents: 135
diff changeset
240 return a - b;
4784c14aa639 ucx update
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parents: 135
diff changeset
241 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
242
4784c14aa639 ucx update
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parents: 135
diff changeset
243 intmax_t ucx_dist_int16(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
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parents: 135
diff changeset
244 intmax_t a = *((const int16_t*) i1);
4784c14aa639 ucx update
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parents: 135
diff changeset
245 intmax_t b = *((const int16_t*) i2);
4784c14aa639 ucx update
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parents: 135
diff changeset
246 return a - b;
4784c14aa639 ucx update
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parents: 135
diff changeset
247 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
248
4784c14aa639 ucx update
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parents: 135
diff changeset
249 intmax_t ucx_dist_int32(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
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parents: 135
diff changeset
250 intmax_t a = *((const int32_t*) i1);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
251 intmax_t b = *((const int32_t*) i2);
4784c14aa639 ucx update
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parents: 135
diff changeset
252 return a - b;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
253 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
254
4784c14aa639 ucx update
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parents: 135
diff changeset
255 intmax_t ucx_dist_int64(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
256 intmax_t a = *((const int64_t*) i1);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
257 intmax_t b = *((const int64_t*) i2);
4784c14aa639 ucx update
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parents: 135
diff changeset
258 return a - b;
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
259 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
260
4784c14aa639 ucx update
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parents: 135
diff changeset
261 intmax_t ucx_dist_uint(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
262 uintmax_t a = *((const unsigned int*) i1);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
263 uintmax_t b = *((const unsigned int*) i2);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
264 return a > b ? (intmax_t)(a - b) : -(intmax_t)(b - a);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
265 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
266
4784c14aa639 ucx update
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parents: 135
diff changeset
267 intmax_t ucx_dist_ulongint(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
268 uintmax_t a = *((const unsigned long int*) i1);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
269 uintmax_t b = *((const unsigned long int*) i2);
4784c14aa639 ucx update
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parents: 135
diff changeset
270 return a > b ? (intmax_t)(a - b) : -(intmax_t)(b - a);
4784c14aa639 ucx update
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parents: 135
diff changeset
271 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
272
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
273 intmax_t ucx_dist_ulonglong(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
274 uintmax_t a = *((const unsigned long long*) i1);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
275 uintmax_t b = *((const unsigned long long*) i2);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
276 return a > b ? (intmax_t)(a - b) : -(intmax_t)(b - a);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
277 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
278
4784c14aa639 ucx update
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parents: 135
diff changeset
279 intmax_t ucx_dist_uint16(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
280 uintmax_t a = *((const uint16_t*) i1);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
281 uintmax_t b = *((const uint16_t*) i2);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
282 return a > b ? (intmax_t)(a - b) : -(intmax_t)(b - a);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
283 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
284
4784c14aa639 ucx update
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parents: 135
diff changeset
285 intmax_t ucx_dist_uint32(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
286 uintmax_t a = *((const uint32_t*) i1);
4784c14aa639 ucx update
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parents: 135
diff changeset
287 uintmax_t b = *((const uint32_t*) i2);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
288 return a > b ? (intmax_t)(a - b) : -(intmax_t)(b - a);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
289 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
290
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
291 intmax_t ucx_dist_uint64(const void *i1, const void *i2, void *data) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
292 uintmax_t a = *((const uint64_t*) i1);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
293 uintmax_t b = *((const uint64_t*) i2);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
294 return a > b ? (intmax_t)(a - b) : -(intmax_t)(b - a);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
295 }
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
296
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
297 int ucx_cmp_float(const void *f1, const void *f2, void *epsilon) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
298 float a = *((const float*) f1);
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
299 float b = *((const float*) f2);
91
fac51f87def0 ucx update
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parents:
diff changeset
300 float e = !epsilon ? 1e-6f : *((float*)epsilon);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
301 if (fabsf(a - b) < e) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
302 return 0;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
303 } else {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
304 return a < b ? -1 : 1;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
305 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
306 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
307
254
4784c14aa639 ucx update
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parents: 135
diff changeset
308 int ucx_cmp_double(const void *d1, const void *d2, void *epsilon) {
4784c14aa639 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 135
diff changeset
309 double a = *((const double*) d1);
4784c14aa639 ucx update
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parents: 135
diff changeset
310 double b = *((const double*) d2);
91
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
311 double e = !epsilon ? 1e-14 : *((double*)epsilon);
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
312 if (fabs(a - b) < e) {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
313 return 0;
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
314 } else {
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
315 return a < b ? -1 : 1;
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316 }
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317 }
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318
254
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319 int ucx_cmp_ptr(const void *ptr1, const void *ptr2, void *data) {
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320 const intptr_t p1 = (const intptr_t) ptr1;
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321 const intptr_t p2 = (const intptr_t) ptr2;
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322 if (p1 == p2) {
91
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323 return 0;
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324 } else {
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325 return p1 < p2 ? -1 : 1;
91
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326 }
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327 }
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328
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329 int ucx_cmp_mem(const void *ptr1, const void *ptr2, void *n) {
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330 return memcmp(ptr1, ptr2, *((size_t*)n));
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331 }
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332
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333 /* PRINTF FUNCTIONS */
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334
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335 #ifdef va_copy
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336 #define UCX_PRINTF_BUFSIZE 256
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337 #else
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338 #pragma message("WARNING: C99 va_copy macro not supported by this platform" \
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339 " - limiting ucx_*printf to 2 KiB")
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340 #define UCX_PRINTF_BUFSIZE 0x800
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341 #endif
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342
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343 int ucx_fprintf(void *stream, write_func wfc, const char *fmt, ...) {
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344 int ret;
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345 va_list ap;
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346 va_start(ap, fmt);
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347 ret = ucx_vfprintf(stream, wfc, fmt, ap);
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348 va_end(ap);
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349 return ret;
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350 }
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351
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352 int ucx_vfprintf(void *stream, write_func wfc, const char *fmt, va_list ap) {
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353 char buf[UCX_PRINTF_BUFSIZE];
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354 #ifdef va_copy
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355 va_list ap2;
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356 va_copy(ap2, ap);
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357 int ret = vsnprintf(buf, UCX_PRINTF_BUFSIZE, fmt, ap);
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358 if (ret < 0) {
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359 return ret;
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360 } else if (ret < UCX_PRINTF_BUFSIZE) {
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361 return (int)wfc(buf, 1, ret, stream);
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362 } else {
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363 if (ret == INT_MAX) {
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364 errno = ENOMEM;
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parents:
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365 return -1;
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parents:
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366 }
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367
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368 int len = ret + 1;
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369 char *newbuf = (char*)malloc(len);
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370 if (!newbuf) {
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371 return -1;
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parents:
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372 }
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373
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374 ret = vsnprintf(newbuf, len, fmt, ap2);
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375 if (ret > 0) {
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376 ret = (int)wfc(newbuf, 1, ret, stream);
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377 }
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378 free(newbuf);
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parents:
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379 }
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380 return ret;
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parents:
diff changeset
381 #else
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parents:
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382 int ret = vsnprintf(buf, UCX_PRINTF_BUFSIZE, fmt, ap);
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parents:
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383 if (ret < 0) {
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parents:
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384 return ret;
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parents:
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385 } else if (ret < UCX_PRINTF_BUFSIZE) {
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386 return (int)wfc(buf, 1, ret, stream);
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387 } else {
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388 errno = ENOMEM;
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389 return -1;
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parents:
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390 }
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parents:
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391 #endif
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parents:
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392 }
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393
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394 sstr_t ucx_asprintf(UcxAllocator *allocator, const char *fmt, ...) {
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395 va_list ap;
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396 sstr_t ret;
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397 va_start(ap, fmt);
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398 ret = ucx_vasprintf(allocator, fmt, ap);
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399 va_end(ap);
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400 return ret;
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parents:
diff changeset
401 }
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parents:
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402
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403 sstr_t ucx_vasprintf(UcxAllocator *a, const char *fmt, va_list ap) {
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parents:
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404 sstr_t s;
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diff changeset
405 s.ptr = NULL;
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diff changeset
406 s.length = 0;
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diff changeset
407 char buf[UCX_PRINTF_BUFSIZE];
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parents:
diff changeset
408 #ifdef va_copy
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diff changeset
409 va_list ap2;
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parents:
diff changeset
410 va_copy(ap2, ap);
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diff changeset
411 int ret = vsnprintf(buf, UCX_PRINTF_BUFSIZE, fmt, ap);
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diff changeset
412 if (ret > 0 && ret < UCX_PRINTF_BUFSIZE) {
99
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parents: 91
diff changeset
413 s.ptr = (char*)almalloc(a, ret + 1);
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parents: 91
diff changeset
414 if (s.ptr) {
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parents: 91
diff changeset
415 s.length = (size_t)ret;
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parents: 91
diff changeset
416 memcpy(s.ptr, buf, ret);
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parents: 91
diff changeset
417 s.ptr[s.length] = '\0';
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parents: 91
diff changeset
418 }
91
fac51f87def0 ucx update
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parents:
diff changeset
419 } else if (ret == INT_MAX) {
fac51f87def0 ucx update
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parents:
diff changeset
420 errno = ENOMEM;
fac51f87def0 ucx update
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parents:
diff changeset
421 } else {
fac51f87def0 ucx update
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parents:
diff changeset
422 int len = ret + 1;
99
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parents: 91
diff changeset
423 s.ptr = (char*)almalloc(a, len);
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parents: 91
diff changeset
424 if (s.ptr) {
b9a6af0ae41a ucx update
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parents: 91
diff changeset
425 ret = vsnprintf(s.ptr, len, fmt, ap2);
b9a6af0ae41a ucx update
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parents: 91
diff changeset
426 if (ret < 0) {
b9a6af0ae41a ucx update
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parents: 91
diff changeset
427 free(s.ptr);
b9a6af0ae41a ucx update
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parents: 91
diff changeset
428 s.ptr = NULL;
b9a6af0ae41a ucx update
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parents: 91
diff changeset
429 } else {
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parents: 91
diff changeset
430 s.length = (size_t)ret;
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parents: 91
diff changeset
431 }
91
fac51f87def0 ucx update
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parents:
diff changeset
432 }
fac51f87def0 ucx update
Olaf Wintermann <olaf.wintermann@gmail.com>
parents:
diff changeset
433 }
fac51f87def0 ucx update
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parents:
diff changeset
434 #else
fac51f87def0 ucx update
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parents:
diff changeset
435 int ret = vsnprintf(buf, UCX_PRINTF_BUFSIZE, fmt, ap);
fac51f87def0 ucx update
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parents:
diff changeset
436 if (ret > 0 && ret < UCX_PRINTF_BUFSIZE) {
99
b9a6af0ae41a ucx update
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parents: 91
diff changeset
437 s.ptr = (char*)almalloc(a, ret + 1);
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parents: 91
diff changeset
438 if (s.ptr) {
b9a6af0ae41a ucx update
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parents: 91
diff changeset
439 s.length = (size_t)ret;
b9a6af0ae41a ucx update
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parents: 91
diff changeset
440 memcpy(s.ptr, buf, ret);
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parents: 91
diff changeset
441 s.ptr[s.length] = '\0';
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parents: 91
diff changeset
442 }
91
fac51f87def0 ucx update
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parents:
diff changeset
443 } else {
fac51f87def0 ucx update
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parents:
diff changeset
444 errno = ENOMEM;
fac51f87def0 ucx update
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parents:
diff changeset
445 }
fac51f87def0 ucx update
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parents:
diff changeset
446 #endif
fac51f87def0 ucx update
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parents:
diff changeset
447 return s;
fac51f87def0 ucx update
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parents:
diff changeset
448 }

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