1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/glue/nsCRTGlue.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,334 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#include "nsCRTGlue.h"
1.9 +#include "nsXPCOM.h"
1.10 +#include "nsDebug.h"
1.11 +#include "prtime.h"
1.12 +
1.13 +#include <stdlib.h>
1.14 +#include <string.h>
1.15 +#include <stdio.h>
1.16 +#include <stdarg.h>
1.17 +
1.18 +#ifdef XP_WIN
1.19 +#include <io.h>
1.20 +#include <windows.h>
1.21 +#endif
1.22 +
1.23 +#ifdef ANDROID
1.24 +#include <android/log.h>
1.25 +#endif
1.26 +
1.27 +const char*
1.28 +NS_strspnp(const char *delims, const char *str)
1.29 +{
1.30 + const char *d;
1.31 + do {
1.32 + for (d = delims; *d != '\0'; ++d) {
1.33 + if (*str == *d) {
1.34 + ++str;
1.35 + break;
1.36 + }
1.37 + }
1.38 + } while (*d);
1.39 +
1.40 + return str;
1.41 +}
1.42 +
1.43 +char*
1.44 +NS_strtok(const char *delims, char **str)
1.45 +{
1.46 + if (!*str)
1.47 + return nullptr;
1.48 +
1.49 + char *ret = (char*) NS_strspnp(delims, *str);
1.50 +
1.51 + if (!*ret) {
1.52 + *str = ret;
1.53 + return nullptr;
1.54 + }
1.55 +
1.56 + char *i = ret;
1.57 + do {
1.58 + for (const char *d = delims; *d != '\0'; ++d) {
1.59 + if (*i == *d) {
1.60 + *i = '\0';
1.61 + *str = ++i;
1.62 + return ret;
1.63 + }
1.64 + }
1.65 + ++i;
1.66 + } while (*i);
1.67 +
1.68 + *str = nullptr;
1.69 + return ret;
1.70 +}
1.71 +
1.72 +uint32_t
1.73 +NS_strlen(const char16_t *aString)
1.74 +{
1.75 + const char16_t *end;
1.76 +
1.77 + for (end = aString; *end; ++end) {
1.78 + // empty loop
1.79 + }
1.80 +
1.81 + return end - aString;
1.82 +}
1.83 +
1.84 +int
1.85 +NS_strcmp(const char16_t *a, const char16_t *b)
1.86 +{
1.87 + while (*b) {
1.88 + int r = *a - *b;
1.89 + if (r)
1.90 + return r;
1.91 +
1.92 + ++a;
1.93 + ++b;
1.94 + }
1.95 +
1.96 + return *a != '\0';
1.97 +}
1.98 +
1.99 +char16_t*
1.100 +NS_strdup(const char16_t *aString)
1.101 +{
1.102 + uint32_t len = NS_strlen(aString);
1.103 + return NS_strndup(aString, len);
1.104 +}
1.105 +
1.106 +char16_t*
1.107 +NS_strndup(const char16_t *aString, uint32_t aLen)
1.108 +{
1.109 + char16_t *newBuf = (char16_t*) NS_Alloc((aLen + 1) * sizeof(char16_t));
1.110 + if (newBuf) {
1.111 + memcpy(newBuf, aString, aLen * sizeof(char16_t));
1.112 + newBuf[aLen] = '\0';
1.113 + }
1.114 + return newBuf;
1.115 +}
1.116 +
1.117 +char*
1.118 +NS_strdup(const char *aString)
1.119 +{
1.120 + uint32_t len = strlen(aString);
1.121 + char *str = (char*) NS_Alloc(len + 1);
1.122 + if (str) {
1.123 + memcpy(str, aString, len);
1.124 + str[len] = '\0';
1.125 + }
1.126 + return str;
1.127 +}
1.128 +
1.129 +// This table maps uppercase characters to lower case characters;
1.130 +// characters that are neither upper nor lower case are unaffected.
1.131 +const unsigned char nsLowerUpperUtils::kUpper2Lower[256] = {
1.132 + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
1.133 + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
1.134 + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
1.135 + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
1.136 + 64,
1.137 +
1.138 + // upper band mapped to lower [A-Z] => [a-z]
1.139 + 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,
1.140 + 112,113,114,115,116,117,118,119,120,121,122,
1.141 +
1.142 + 91, 92, 93, 94, 95,
1.143 + 96, 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,
1.144 + 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
1.145 + 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
1.146 + 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,
1.147 + 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
1.148 + 176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
1.149 + 192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
1.150 + 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
1.151 + 224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,
1.152 + 240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255
1.153 +};
1.154 +
1.155 +const unsigned char nsLowerUpperUtils::kLower2Upper[256] = {
1.156 + 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
1.157 + 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
1.158 + 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
1.159 + 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
1.160 + 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
1.161 + 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
1.162 + 96,
1.163 +
1.164 + // lower band mapped to upper [a-z] => [A-Z]
1.165 + 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
1.166 + 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90,
1.167 +
1.168 + 123,124,125,126,127,
1.169 + 128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
1.170 + 144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,
1.171 + 160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
1.172 + 176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
1.173 + 192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
1.174 + 208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
1.175 + 224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,
1.176 + 240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255
1.177 +};
1.178 +
1.179 +bool NS_IsUpper(char aChar)
1.180 +{
1.181 + return aChar != (char)nsLowerUpperUtils::kUpper2Lower[(unsigned char)aChar];
1.182 +}
1.183 +
1.184 +bool NS_IsLower(char aChar)
1.185 +{
1.186 + return aChar != (char)nsLowerUpperUtils::kLower2Upper[(unsigned char)aChar];
1.187 +}
1.188 +
1.189 +bool NS_IsAscii(char16_t aChar)
1.190 +{
1.191 + return (0x0080 > aChar);
1.192 +}
1.193 +
1.194 +bool NS_IsAscii(const char16_t *aString)
1.195 +{
1.196 + while(*aString) {
1.197 + if( 0x0080 <= *aString)
1.198 + return false;
1.199 + aString++;
1.200 + }
1.201 + return true;
1.202 +}
1.203 +
1.204 +bool NS_IsAscii(const char *aString)
1.205 +{
1.206 + while(*aString) {
1.207 + if( 0x80 & *aString)
1.208 + return false;
1.209 + aString++;
1.210 + }
1.211 + return true;
1.212 +}
1.213 +
1.214 +bool NS_IsAscii(const char* aString, uint32_t aLength)
1.215 +{
1.216 + const char* end = aString + aLength;
1.217 + while (aString < end) {
1.218 + if (0x80 & *aString)
1.219 + return false;
1.220 + ++aString;
1.221 + }
1.222 + return true;
1.223 +}
1.224 +
1.225 +bool NS_IsAsciiAlpha(char16_t aChar)
1.226 +{
1.227 + return ((aChar >= 'A') && (aChar <= 'Z')) ||
1.228 + ((aChar >= 'a') && (aChar <= 'z'));
1.229 +}
1.230 +
1.231 +bool NS_IsAsciiWhitespace(char16_t aChar)
1.232 +{
1.233 + return aChar == ' ' ||
1.234 + aChar == '\r' ||
1.235 + aChar == '\n' ||
1.236 + aChar == '\t';
1.237 +}
1.238 +
1.239 +bool NS_IsAsciiDigit(char16_t aChar)
1.240 +{
1.241 + return aChar >= '0' && aChar <= '9';
1.242 +}
1.243 +
1.244 +
1.245 +#ifndef XPCOM_GLUE_AVOID_NSPR
1.246 +#define TABLE_SIZE 36
1.247 +static const char table[] = {
1.248 + 'a','b','c','d','e','f','g','h','i','j',
1.249 + 'k','l','m','n','o','p','q','r','s','t',
1.250 + 'u','v','w','x','y','z','0','1','2','3',
1.251 + '4','5','6','7','8','9'
1.252 +};
1.253 +
1.254 +void NS_MakeRandomString(char *aBuf, int32_t aBufLen)
1.255 +{
1.256 + // turn PR_Now() into milliseconds since epoch
1.257 + // and salt rand with that.
1.258 + static unsigned int seed = 0;
1.259 + if (seed == 0) {
1.260 + double fpTime = double(PR_Now());
1.261 + seed = (unsigned int)(fpTime * 1e-6 + 0.5); // use 1e-6, granularity of PR_Now() on the mac is seconds
1.262 + srand(seed);
1.263 + }
1.264 +
1.265 + int32_t i;
1.266 + for (i=0;i<aBufLen;i++) {
1.267 + *aBuf++ = table[rand()%TABLE_SIZE];
1.268 + }
1.269 + *aBuf = 0;
1.270 +}
1.271 +
1.272 +#endif
1.273 +#if defined(XP_WIN)
1.274 +
1.275 +#define va_copy(dest, src) (dest = src)
1.276 +
1.277 +void
1.278 +vprintf_stderr(const char *fmt, va_list args)
1.279 +{
1.280 + if (IsDebuggerPresent()) {
1.281 + char buf[2048];
1.282 + va_list argsCpy;
1.283 + va_copy(argsCpy, args);
1.284 + vsnprintf(buf, sizeof(buf), fmt, argsCpy);
1.285 + buf[sizeof(buf) - 1] = '\0';
1.286 + va_end(argsCpy);
1.287 + OutputDebugStringA(buf);
1.288 + }
1.289 +
1.290 + FILE *fp = _fdopen(_dup(2), "a");
1.291 + if (!fp)
1.292 + return;
1.293 +
1.294 + vfprintf(fp, fmt, args);
1.295 +
1.296 + fclose(fp);
1.297 +}
1.298 +
1.299 +#undef va_copy
1.300 +
1.301 +#elif defined(ANDROID)
1.302 +void
1.303 +vprintf_stderr(const char *fmt, va_list args)
1.304 +{
1.305 + __android_log_vprint(ANDROID_LOG_INFO, "Gecko", fmt, args);
1.306 +}
1.307 +#else
1.308 +void
1.309 +vprintf_stderr(const char *fmt, va_list args)
1.310 +{
1.311 + vfprintf(stderr, fmt, args);
1.312 +}
1.313 +#endif
1.314 +
1.315 +void
1.316 +printf_stderr(const char *fmt, ...)
1.317 +{
1.318 + va_list args;
1.319 + va_start(args, fmt);
1.320 + vprintf_stderr(fmt, args);
1.321 + va_end(args);
1.322 +}
1.323 +
1.324 +void
1.325 +fprintf_stderr(FILE* aFile, const char *fmt, ...)
1.326 +{
1.327 + va_list args;
1.328 + va_start(args, fmt);
1.329 + if (aFile == stderr) {
1.330 + vprintf_stderr(fmt, args);
1.331 + } else {
1.332 + vfprintf(aFile, fmt, args);
1.333 + }
1.334 + va_end(args);
1.335 +}
1.336 +
1.337 +
