annotate ezBAMQC/src/htslib/test/hfile.c @ 0:dfa3745e5fd8

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author youngkim
date Thu, 24 Mar 2016 17:12:52 -0400
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1 /* test/hfile.c -- Test cases for low-level input/output streams.
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2
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3 Copyright (C) 2013-2014 Genome Research Ltd.
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4
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5 Author: John Marshall <jm18@sanger.ac.uk>
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6
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7 Permission is hereby granted, free of charge, to any person obtaining a copy
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8 of this software and associated documentation files (the "Software"), to deal
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9 in the Software without restriction, including without limitation the rights
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10 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 copies of the Software, and to permit persons to whom the Software is
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12 furnished to do so, subject to the following conditions:
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13
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14 The above copyright notice and this permission notice shall be included in
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15 all copies or substantial portions of the Software.
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16
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17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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20 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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22 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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23 DEALINGS IN THE SOFTWARE. */
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24
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25 #include <stdarg.h>
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26 #include <stdio.h>
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27 #include <stdlib.h>
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28 #include <errno.h>
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29
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30 #include <sys/stat.h>
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31
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32 #include "htslib/hfile.h"
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33 #include "htslib/hts_defs.h"
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34
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35 void HTS_NORETURN fail(const char *format, ...)
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36 {
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37 int err = errno;
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38 va_list args;
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39 va_start(args, format);
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40 vfprintf(stderr, format, args);
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41 va_end(args);
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42 if (err != 0) fprintf(stderr, ": %s", strerror(err));
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43 fprintf(stderr, "\n");
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44 exit(EXIT_FAILURE);
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45 }
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46
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47 void check_offset(hFILE *f, off_t off, const char *message)
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48 {
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49 off_t ret = htell(f);
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50 if (ret < 0) fail("htell(%s)", message);
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51 if (ret == off) return;
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52
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53 fprintf(stderr, "%s offset incorrect: expected %ld but got %ld\n",
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54 message, (long)off, (long)ret);
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55 exit(EXIT_FAILURE);
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56 }
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57
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58 char *slurp(const char *filename)
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59 {
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60 char *text;
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61 struct stat sbuf;
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62 size_t filesize;
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63 FILE *f = fopen(filename, "r");
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64 if (f == NULL) fail("fopen(\"%s\", \"r\")", filename);
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65 if (fstat(fileno(f), &sbuf) != 0) fail("fstat(\"%s\")", filename);
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66 filesize = sbuf.st_size;
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67
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68 text = (char *) malloc(filesize + 1);
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69 if (text == NULL) fail("malloc(text)");
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70
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71 if (fread(text, 1, filesize, f) != filesize) fail("fread");
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72 fclose(f);
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73
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74 text[filesize] = '\0';
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75 return text;
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76 }
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77
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78 hFILE *fin = NULL;
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79 hFILE *fout = NULL;
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80
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81 void reopen(const char *infname, const char *outfname)
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82 {
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83 if (fin) { if (hclose(fin) != 0) fail("hclose(input)"); }
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84 if (fout) { if (hclose(fout) != 0) fail("hclose(output)"); }
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85
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86 fin = hopen(infname, "r");
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87 if (fin == NULL) fail("hopen(\"%s\")", infname);
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88
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89 fout = hopen(outfname, "w");
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90 if (fout == NULL) fail("hopen(\"%s\")", outfname);
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91 }
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92
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93 int main(void)
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94 {
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95 static const int size[] = { 1, 13, 403, 999, 30000 };
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96
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97 char buffer[40000];
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98 char *original;
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99 int c, i;
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100 ssize_t n;
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101 off_t off;
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102
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103 reopen("vcf.c", "test/hfile1.tmp");
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104 while ((c = hgetc(fin)) != EOF) {
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105 if (hputc(c, fout) == EOF) fail("hputc");
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106 }
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107 if (herrno(fin)) { errno = herrno(fin); fail("hgetc"); }
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108
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109 reopen("test/hfile1.tmp", "test/hfile2.tmp");
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110 if (hpeek(fin, buffer, 50) < 0) fail("hpeek");
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111 while ((n = hread(fin, buffer, 17)) > 0) {
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112 if (hwrite(fout, buffer, n) != n) fail("hwrite");
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113 }
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114 if (n < 0) fail("hread");
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115
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116 reopen("test/hfile2.tmp", "test/hfile3.tmp");
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117 while ((n = hread(fin, buffer, sizeof buffer)) > 0) {
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118 if (hwrite(fout, buffer, n) != n) fail("hwrite");
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119 if (hpeek(fin, buffer, 700) < 0) fail("hpeek");
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120 }
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121 if (n < 0) fail("hread");
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122
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123 reopen("test/hfile3.tmp", "test/hfile4.tmp");
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124 i = 0;
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125 off = 0;
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126 while ((n = hread(fin, buffer, size[i++ % 5])) > 0) {
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127 off += n;
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128 buffer[n] = '\0';
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129 check_offset(fin, off, "pre-peek");
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130 if (hputs(buffer, fout) == EOF) fail("hputs");
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131 if ((n = hpeek(fin, buffer, size[(i+3) % 5])) < 0) fail("hpeek");
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132 check_offset(fin, off, "post-peek");
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133 }
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134 if (n < 0) fail("hread");
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135
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136 reopen("test/hfile4.tmp", "test/hfile5.tmp");
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137 n = hread(fin, buffer, 200);
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138 if (n < 0) fail("hread");
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139 else if (n != 200) fail("hread only got %d", (int)n);
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140 if (hwrite(fout, buffer, 1000) != 1000) fail("hwrite");
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141 check_offset(fin, 200, "input/first200");
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142 check_offset(fout, 1000, "output/first200");
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143
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144 if (hseek(fin, 800, SEEK_CUR) < 0) fail("hseek/cur");
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145 check_offset(fin, 1000, "input/seek");
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146 for (off = 1000; (n = hread(fin, buffer, sizeof buffer)) > 0; off += n)
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147 if (hwrite(fout, buffer, n) != n) fail("hwrite");
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148 if (n < 0) fail("hread");
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149 check_offset(fin, off, "input/eof");
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150 check_offset(fout, off, "output/eof");
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151
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152 if (hseek(fin, 200, SEEK_SET) < 0) fail("hseek/set");
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153 if (hseek(fout, 200, SEEK_SET) < 0) fail("hseek(output)");
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154 check_offset(fin, 200, "input/backto200");
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155 check_offset(fout, 200, "output/backto200");
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156 n = hread(fin, buffer, 800);
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157 if (n < 0) fail("hread");
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158 else if (n != 800) fail("hread only got %d", (int)n);
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159 if (hwrite(fout, buffer, 800) != 800) fail("hwrite");
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160 check_offset(fin, 1000, "input/wrote800");
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161 check_offset(fout, 1000, "output/wrote800");
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162
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163 if (hflush(fout) == EOF) fail("hflush");
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164
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165 original = slurp("vcf.c");
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166 for (i = 1; i <= 5; i++) {
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167 char *text;
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168 sprintf(buffer, "test/hfile%d.tmp", i);
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169 text = slurp(buffer);
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170 if (strcmp(original, text) != 0) {
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171 fprintf(stderr, "%s differs from vcf.c\n", buffer);
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172 return EXIT_FAILURE;
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173 }
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174 free(text);
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175 }
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176 free(original);
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177
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178 if (hclose(fin) != 0) fail("hclose(input)");
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179 if (hclose(fout) != 0) fail("hclose(output)");
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180
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181 fout = hopen("test/hfile_chars.tmp", "w");
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182 if (fout == NULL) fail("hopen(\"test/hfile_chars.tmp\")");
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183 for (i = 0; i < 256; i++)
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184 if (hputc(i, fout) != i) fail("chars: hputc (%d)", i);
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185 if (hclose(fout) != 0) fail("hclose(test/hfile_chars.tmp)");
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186
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187 fin = hopen("test/hfile_chars.tmp", "r");
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188 if (fin == NULL) fail("hopen(\"test/hfile_chars.tmp\") for reading");
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189 for (i = 0; i < 256; i++)
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190 if ((c = hgetc(fin)) != i)
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191 fail("chars: hgetc (%d = 0x%x) returned %d = 0x%x", i, i, c, c);
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192 if ((c = hgetc(fin)) != EOF) fail("chars: hgetc (EOF) returned %d", c);
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193 if (hclose(fin) != 0) fail("hclose(test/hfile_chars.tmp) for reading");
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194
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195 fin = hopen("data:hello, world!\n", "r");
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196 if (fin == NULL) fail("hopen(\"data:...\")");
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197 n = hread(fin, buffer, 300);
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198 if (n < 0) fail("hread");
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199 buffer[n] = '\0';
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200 if (strcmp(buffer, "hello, world!\n") != 0) fail("hread result");
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201 if (hclose(fin) != 0) fail("hclose(\"data:...\")");
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202
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203 return EXIT_SUCCESS;
dfa3745e5fd8 Uploaded
youngkim
parents:
diff changeset
204 }