LCOV - code coverage report
Current view: directory - xpcom/glue - nsCRTGlue.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 87 7 8.0 %
Date: 2012-06-02 Functions: 17 3 17.6 %

       1                 : /* ***** BEGIN LICENSE BLOCK *****
       2                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       3                 :  *
       4                 :  * The contents of this file are subject to the Mozilla Public License Version
       5                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       6                 :  * the License. You may obtain a copy of the License at
       7                 :  * http://www.mozilla.org/MPL/
       8                 :  *
       9                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      10                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      11                 :  * for the specific language governing rights and limitations under the
      12                 :  * License.
      13                 :  *
      14                 :  * The Original Code is Mozilla Application Update.
      15                 :  * This file is based on code originally located at
      16                 :  * mozilla/toolkit/mozapps/update/updater/updater.cpp
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  * Benjamin Smedberg <benjamin@smedbergs.us>
      20                 :  *
      21                 :  * Portions created by the Initial Developer are Copyright (C) 2005
      22                 :  * the Initial Developer. All Rights Reserved.
      23                 :  *
      24                 :  * Contributor(s):
      25                 :  *  Darin Fisher <darin@meer.net>
      26                 :  *
      27                 :  * Alternatively, the contents of this file may be used under the terms of
      28                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      29                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      31                 :  * of those above. If you wish to allow use of your version of this file only
      32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      33                 :  * use your version of this file under the terms of the MPL, indicate your
      34                 :  * decision by deleting the provisions above and replace them with the notice
      35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      36                 :  * the provisions above, a recipient may use your version of this file under
      37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      38                 :  *
      39                 :  * ***** END LICENSE BLOCK ***** */
      40                 : 
      41                 : #include "nsCRTGlue.h"
      42                 : #include "nsXPCOM.h"
      43                 : #include "nsDebug.h"
      44                 : #include <string.h>
      45                 : #include <stdio.h>
      46                 : #include <stdarg.h>
      47                 : 
      48                 : #ifdef XP_WIN
      49                 : #include <io.h>
      50                 : #endif
      51                 : 
      52                 : #ifdef ANDROID
      53                 : #include <android/log.h>
      54                 : #endif
      55                 : 
      56                 : const char*
      57               0 : NS_strspnp(const char *delims, const char *str)
      58                 : {
      59                 :   const char *d;
      60               0 :   do {
      61               0 :     for (d = delims; *d != '\0'; ++d) {
      62               0 :       if (*str == *d) {
      63               0 :         ++str;
      64               0 :         break;
      65                 :       }
      66                 :     }
      67                 :   } while (*d);
      68                 : 
      69               0 :   return str;
      70                 : }
      71                 : 
      72                 : char*
      73               0 : NS_strtok(const char *delims, char **str)
      74                 : {
      75               0 :   if (!*str)
      76               0 :     return NULL;
      77                 : 
      78               0 :   char *ret = (char*) NS_strspnp(delims, *str);
      79                 : 
      80               0 :   if (!*ret) {
      81               0 :     *str = ret;
      82               0 :     return NULL;
      83                 :   }
      84                 : 
      85               0 :   char *i = ret;
      86               0 :   do {
      87               0 :     for (const char *d = delims; *d != '\0'; ++d) {
      88               0 :       if (*i == *d) {
      89               0 :         *i = '\0';
      90               0 :         *str = ++i;
      91               0 :         return ret;
      92                 :       }
      93                 :     }
      94               0 :     ++i;
      95                 :   } while (*i);
      96                 : 
      97               0 :   *str = NULL;
      98               0 :   return ret;
      99                 : }
     100                 : 
     101                 : PRUint32
     102               7 : NS_strlen(const PRUnichar *aString)
     103                 : {
     104                 :   const PRUnichar *end;
     105                 : 
     106               7 :   for (end = aString; *end; ++end) {
     107                 :     // empty loop
     108                 :   }
     109                 : 
     110               7 :   return end - aString;
     111                 : }
     112                 : 
     113                 : int
     114               0 : NS_strcmp(const PRUnichar *a, const PRUnichar *b)
     115                 : {
     116               0 :   while (*b) {
     117               0 :     int r = *a - *b;
     118               0 :     if (r)
     119               0 :       return r;
     120                 : 
     121               0 :     ++a;
     122               0 :     ++b;
     123                 :   }
     124                 : 
     125               0 :   return *a != '\0';
     126                 : }
     127                 : 
     128                 : PRUnichar*
     129               0 : NS_strdup(const PRUnichar *aString)
     130                 : {
     131               0 :   PRUint32 len = NS_strlen(aString);
     132               0 :   return NS_strndup(aString, len);
     133                 : }
     134                 : 
     135                 : PRUnichar*
     136               0 : NS_strndup(const PRUnichar *aString, PRUint32 aLen)
     137                 : {
     138               0 :   PRUnichar *newBuf = (PRUnichar*) NS_Alloc((aLen + 1) * sizeof(PRUnichar));
     139               0 :   if (newBuf) {
     140               0 :     memcpy(newBuf, aString, aLen * sizeof(PRUnichar));
     141               0 :     newBuf[aLen] = '\0';
     142                 :   }
     143               0 :   return newBuf;
     144                 : }
     145                 : 
     146                 : char*
     147               0 : NS_strdup(const char *aString)
     148                 : {
     149               0 :   PRUint32 len = strlen(aString);
     150               0 :   char *str = (char*) NS_Alloc(len + 1);
     151               0 :   if (str) {
     152               0 :     memcpy(str, aString, len);
     153               0 :     str[len] = '\0';
     154                 :   }
     155               0 :   return str;
     156                 : }
     157                 : 
     158                 : // This table maps uppercase characters to lower case characters;
     159                 : // characters that are neither upper nor lower case are unaffected.
     160                 : const unsigned char nsLowerUpperUtils::kUpper2Lower[256] = {
     161                 :     0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
     162                 :    16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
     163                 :    32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
     164                 :    48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
     165                 :    64,
     166                 : 
     167                 :     // upper band mapped to lower [A-Z] => [a-z]
     168                 :        97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,
     169                 :   112,113,114,115,116,117,118,119,120,121,122,
     170                 : 
     171                 :                                                91, 92, 93, 94, 95,
     172                 :    96, 97, 98, 99,100,101,102,103,104,105,106,107,108,109,110,111,
     173                 :   112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
     174                 :   128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
     175                 :   144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,
     176                 :   160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
     177                 :   176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
     178                 :   192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
     179                 :   208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
     180                 :   224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,
     181                 :   240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255
     182                 : };
     183                 : 
     184                 : const unsigned char nsLowerUpperUtils::kLower2Upper[256] = {
     185                 :     0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,
     186                 :    16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
     187                 :    32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
     188                 :    48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
     189                 :    64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
     190                 :    80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
     191                 :    96,
     192                 : 
     193                 :     // lower band mapped to upper [a-z] => [A-Z]
     194                 :        65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
     195                 :    80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90,
     196                 : 
     197                 :                                               123,124,125,126,127,
     198                 :   128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,
     199                 :   144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,
     200                 :   160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,
     201                 :   176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,
     202                 :   192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,
     203                 :   208,209,210,211,212,213,214,215,216,217,218,219,220,221,222,223,
     204                 :   224,225,226,227,228,229,230,231,232,233,234,235,236,237,238,239,
     205                 :   240,241,242,243,244,245,246,247,248,249,250,251,252,253,254,255
     206                 : };
     207                 : 
     208               0 : bool NS_IsUpper(char aChar)
     209                 : {
     210               0 :   return aChar != (char)nsLowerUpperUtils::kUpper2Lower[(unsigned char)aChar];
     211                 : }
     212                 : 
     213               0 : bool NS_IsLower(char aChar)
     214                 : {
     215               0 :   return aChar != (char)nsLowerUpperUtils::kLower2Upper[(unsigned char)aChar];
     216                 : }
     217                 : 
     218             239 : bool NS_IsAscii(PRUnichar aChar)
     219                 : {
     220             239 :   return (0x0080 > aChar);
     221                 : }
     222                 : 
     223               0 : bool NS_IsAscii(const PRUnichar *aString)
     224                 : {
     225               0 :   while(*aString) {
     226               0 :     if( 0x0080 <= *aString)
     227               0 :       return false;
     228               0 :     aString++;
     229                 :   }
     230               0 :   return true;
     231                 : }
     232                 : 
     233               0 : bool NS_IsAscii(const char *aString)
     234                 : {
     235               0 :   while(*aString) {
     236               0 :     if( 0x80 & *aString)
     237               0 :       return false;
     238               0 :     aString++;
     239                 :   }
     240               0 :   return true;
     241                 : }
     242                 : 
     243               0 : bool NS_IsAscii(const char* aString, PRUint32 aLength)
     244                 : {
     245               0 :   const char* end = aString + aLength;
     246               0 :   while (aString < end) {
     247               0 :     if (0x80 & *aString)
     248               0 :       return false;
     249               0 :     ++aString;
     250                 :   }
     251               0 :   return true;
     252                 : }
     253                 : 
     254               0 : bool NS_IsAsciiAlpha(PRUnichar aChar)
     255                 : {
     256                 :   return ((aChar >= 'A') && (aChar <= 'Z')) ||
     257               0 :          ((aChar >= 'a') && (aChar <= 'z'));
     258                 : }
     259                 : 
     260             115 : bool NS_IsAsciiWhitespace(PRUnichar aChar)
     261                 : {
     262                 :   return aChar == ' ' ||
     263                 :          aChar == '\r' ||
     264                 :          aChar == '\n' ||
     265             115 :          aChar == '\t';
     266                 : }
     267                 : 
     268               0 : bool NS_IsAsciiDigit(PRUnichar aChar)
     269                 : {
     270               0 :   return aChar >= '0' && aChar <= '9';
     271                 : }
     272                 : 
     273                 : #if defined(XP_WIN)
     274                 : void
     275                 : printf_stderr(const char *fmt, ...)
     276                 : {
     277                 :   FILE *fp = _fdopen(_dup(2), "a");
     278                 :   if (!fp)
     279                 :       return;
     280                 : 
     281                 :   va_list args;
     282                 :   va_start(args, fmt);
     283                 :   vfprintf(fp, fmt, args);
     284                 :   va_end(args);
     285                 : 
     286                 :   fclose(fp);
     287                 : }
     288                 : #elif defined(ANDROID)
     289                 : void
     290                 : printf_stderr(const char *fmt, ...)
     291                 : {
     292                 :   va_list args;
     293                 :   va_start(args, fmt);
     294                 :   __android_log_vprint(ANDROID_LOG_INFO, "Gecko", fmt, args);
     295                 :   va_end(args);
     296                 : }
     297                 : #else
     298                 : void
     299               0 : printf_stderr(const char *fmt, ...)
     300                 : {
     301                 :   va_list args;
     302               0 :   va_start(args, fmt);
     303               0 :   vfprintf(stderr, fmt, args);
     304               0 :   va_end(args);
     305               0 : }
     306                 : #endif

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