icuSources/tools/genrb/util.c

   1 /*
   2 *******************************************************************************
   3 *
   4 *   Copyright (C) 1998-2004, International Business Machines
   5 *   Corporation and others.  All Rights Reserved.
   6 *
   7 *******************************************************************************
   8 *
   9 * File util.c
  10 *
  11 * Modification History:
  12 *
  13 *   Date        Name        Description
  14 *   06/10/99    stephen     Creation.
  15 *******************************************************************************
  16 */
  17
  18 #include "unicode/putil.h"
  19 #include "util.h"
  20 #include "cmemory.h"
  21 #include "cstring.h"
  22
  23
  24 /* go from "/usr/local/include/curses.h" to "/usr/local/include" */
  25 void
  26 get_dirname(char *dirname,
  27             const char *filename)
  28 {
  29   const char *lastSlash = uprv_strrchr(filename, U_FILE_SEP_CHAR) + 1;
  30
  31   if(lastSlash>filename) {
  32     uprv_strncpy(dirname, filename, (lastSlash - filename));
  33     *(dirname + (lastSlash - filename)) = '\0';
  34   } else {
  35     *dirname = '\0';
  36   }
  37 }
  38
  39 /* go from "/usr/local/include/curses.h" to "curses" */
  40 void
  41 get_basename(char *basename,
  42              const char *filename)
  43 {
  44   /* strip off any leading directory portions */
  45   const char *lastSlash = uprv_strrchr(filename, U_FILE_SEP_CHAR) + 1;
  46   char *lastDot;
  47
  48   if(lastSlash>filename) {
  49     uprv_strcpy(basename, lastSlash);
  50   } else {
  51     uprv_strcpy(basename, filename);
  52   }
  53
  54   /* strip off any suffix */
  55   lastDot = uprv_strrchr(basename, '.');
  56
  57   if(lastDot != NULL) {
  58     *lastDot = '\0';
  59   }
  60 }
  61
  62 #define MAX_DIGITS 10
  63 int32_t
  64 itostr(char * buffer, int32_t i, uint32_t radix, int32_t pad)
  65 {
  66     int32_t length = 0;
  67     int32_t num = 0;
  68     int32_t save = i;
  69     int digit;
  70     int32_t j;
  71     char temp;
  72
  73     /* if i is negative make it positive */
  74     if(i<0){
  75         i=-i;
  76     }
  77
  78     do{
  79         digit = (int)(i % radix);
  80         buffer[length++]=(char)(digit<=9?(0x0030+digit):(0x0030+digit+7));
  81         i=i/radix;
  82     } while(i);
  83
  84     while (length < pad){
  85         buffer[length++] = 0x0030;/*zero padding */
  86     }
  87
  88     /* if i is negative add the negative sign */
  89     if(save < 0){
  90         buffer[length++]='-';
  91     }
  92
  93     /* null terminate the buffer */
  94     if(length<MAX_DIGITS){
  95         buffer[length] =  0x0000;
  96     }
  97
  98     num= (pad>=length) ? pad :length;
  99
 100
 101     /* Reverses the string */
 102     for (j = 0; j < (num / 2); j++){
 103         temp = buffer[(length-1) - j];
 104         buffer[(length-1) - j] = buffer[j];
 105         buffer[j] = temp;
 106     }
 107     return length;
 108 }