tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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rbutil.c (2788B)

      1 // © 2016 and later: Unicode, Inc. and others.
      2 // License & terms of use: http://www.unicode.org/copyright.html
      3 /*
      4 *******************************************************************************
      5 *
      6 *   Copyright (C) 1998-2008, International Business Machines
      7 *   Corporation and others.  All Rights Reserved.
      8 *
      9 *******************************************************************************
     10 *
     11 * File util.c
     12 *
     13 * Modification History:
     14 *
     15 *   Date        Name        Description
     16 *   06/10/99    stephen     Creation.
     17 *   02/07/08    Spieth      Correct XLIFF generation on EBCDIC platform
     18 *   
     19 *******************************************************************************
     20 */
     21 
     22 #include "unicode/putil.h"
     23 #include "rbutil.h"
     24 #include "cmemory.h"
     25 #include "cstring.h"
     26 
     27 
     28 /* go from "/usr/local/include/curses.h" to "/usr/local/include" */
     29 void
     30 get_dirname(char *dirname,
     31            const char *filename)
     32 {
     33  const char *lastSlash = uprv_strrchr(filename, U_FILE_SEP_CHAR);
     34  if (lastSlash != NULL) {
     35    lastSlash++;
     36  }
     37 
     38  if(lastSlash>filename) {
     39    uprv_strncpy(dirname, filename, (lastSlash - filename));
     40    *(dirname + (lastSlash - filename)) = '\0';
     41  } else {
     42    *dirname = '\0';
     43  }
     44 }
     45 
     46 /* go from "/usr/local/include/curses.h" to "curses" */
     47 void
     48 get_basename(char *basename,
     49             const char *filename)
     50 {
     51  /* strip off any leading directory portions */
     52  const char *lastSlash = uprv_strrchr(filename, U_FILE_SEP_CHAR);
     53  if (lastSlash != NULL) {
     54    lastSlash++;
     55  }
     56  char *lastDot;
     57 
     58  if(lastSlash>filename) {
     59    uprv_strcpy(basename, lastSlash);
     60  } else {
     61    uprv_strcpy(basename, filename);
     62  }
     63 
     64  /* strip off any suffix */
     65  lastDot = uprv_strrchr(basename, '.');
     66 
     67  if(lastDot != NULL) {
     68    *lastDot = '\0';
     69  }
     70 }
     71 
     72 #define MAX_DIGITS 10
     73 int32_t 
     74 itostr(char * buffer, int32_t i, uint32_t radix, int32_t pad)
     75 {
     76    const char digits[16] = {'0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'};
     77    int32_t length = 0;
     78    int32_t num = 0;
     79    int32_t save = i;
     80    int digit;
     81    int32_t j;
     82    char temp;
     83    
     84    /* if i is negative make it positive */
     85    if(i<0){
     86        i=-i;
     87    }
     88    
     89    do{
     90        digit = (int)(i % radix);
     91        buffer[length++]= digits[digit];
     92        i=i/radix;
     93    } while(i);
     94 
     95    while (length < pad){
     96        buffer[length++] = '0';/*zero padding */
     97    }
     98    
     99    /* if i is negative add the negative sign */
    100    if(save < 0){
    101        buffer[length++]='-';
    102    }
    103 
    104    /* null terminate the buffer */
    105    if(length<MAX_DIGITS){
    106        buffer[length] =  0x0000;
    107    }
    108 
    109    num= (pad>=length) ? pad :length;
    110 
    111 
    112    /* Reverses the string */
    113    for (j = 0; j < (num / 2); j++){
    114        temp = buffer[(length-1) - j];
    115        buffer[(length-1) - j] = buffer[j];
    116        buffer[j] = temp;
    117    }
    118    return length;
    119 }