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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 2008 Sun Microsystems, Inc. All rights reserved. |
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5 * |
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6 * THE BSD LICENSE |
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7 * |
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8 * Redistribution and use in source and binary forms, with or without |
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9 * modification, are permitted provided that the following conditions are met: |
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10 * |
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11 * Redistributions of source code must retain the above copyright notice, this |
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12 * list of conditions and the following disclaimer. |
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13 * Redistributions in binary form must reproduce the above copyright notice, |
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14 * this list of conditions and the following disclaimer in the documentation |
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15 * and/or other materials provided with the distribution. |
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16 * |
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17 * Neither the name of the nor the names of its contributors may be |
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18 * used to endorse or promote products derived from this software without |
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19 * specific prior written permission. |
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20 * |
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21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER |
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25 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
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28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
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29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
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30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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32 */ |
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33 |
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34 /* |
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35 * util.c: A hodge podge of utility functions and standard functions which |
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36 * are unavailable on certain systems |
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37 * |
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38 * Rob McCool |
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39 */ |
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40 |
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41 #ifdef XP_UNIX |
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42 #include <sys/types.h> |
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43 #include <sys/wait.h> |
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44 #include <stdlib.h> |
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45 #include <unistd.h> |
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46 #include <limits.h> |
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47 #include "prthread.h" |
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48 #endif /* XP_UNIX */ |
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49 |
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50 |
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51 #include "nspr.h" |
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52 #include "../public/nsapi.h" |
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53 |
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54 #include "util.h" |
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55 |
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56 /* |
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57 NSAPI_PUBLIC int util_getboolean(const char *v, int def) { |
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58 if(v[0] == 'T' || v[0] == 't') { |
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59 return 1; |
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60 } |
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61 if(v[0] == 'F' || v[0] == 'f') { |
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62 return 0; |
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63 } |
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64 return def; |
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65 } |
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66 */ |
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67 |
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68 NSAPI_PUBLIC int INTutil_getboolean(const char *v, int def) { |
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69 if(v[0] == 'T' || v[0] == 't') { |
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70 return 1; |
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71 } |
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72 if(v[0] == 'F' || v[0] == 'f') { |
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73 return 0; |
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74 } |
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75 return def; |
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76 } |
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77 |
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78 |
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79 /* ------------------------------ util_itoa ------------------------------- */ |
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80 /* |
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81 NSAPI_PUBLIC int util_itoa(int i, char *a) |
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82 { |
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83 int len = util_i64toa(i, a); |
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84 |
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85 PR_ASSERT(len < UTIL_ITOA_SIZE); |
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86 |
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87 return len; |
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88 } |
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89 */ |
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90 NSAPI_PUBLIC int INTutil_itoa(int i, char *a) { |
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91 return INTutil_i64toa(i, a); |
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92 } |
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93 |
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94 |
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95 /* ----------------------------- util_i64toa ------------------------------ */ |
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96 |
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97 /* |
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98 * Assumption: Reversing the digits will be faster in the general case |
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99 * than doing a log10 or some nasty trick to find the # of digits. |
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100 */ |
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101 |
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102 NSAPI_PUBLIC int INTutil_i64toa(PRInt64 i, char *a) |
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103 { |
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104 register int x, y, p; |
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105 register char c; |
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106 int negative; |
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107 |
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108 negative = 0; |
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109 if(i < 0) { |
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110 *a++ = '-'; |
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111 negative = 1; |
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112 i = -i; |
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113 } |
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114 p = 0; |
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115 while(i > 9) { |
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116 a[p++] = (i%10) + '0'; |
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117 i /= 10; |
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118 } |
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119 a[p++] = i + '0'; |
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120 |
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121 if(p > 1) { |
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122 for(x = 0, y = p - 1; x < y; ++x, --y) { |
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123 c = a[x]; |
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124 a[x] = a[y]; |
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125 a[y] = c; |
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126 } |
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127 } |
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128 a[p] = '\0'; |
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129 |
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130 //PR_ASSERT(p + negative < UTIL_I64TOA_SIZE); |
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131 |
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132 return p + negative; |
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133 } |