common.cpp

   1 //
   2 // C++ Implementation: common
   3 //
   4 // Author: Oliver Groß <z.o.gross@gmx.de>, (C) 2008
   5 //
   6 // Copyright: See COPYING file that comes with this distribution
   7 //
   8 #include <cstdlib>
   9 #include "common.h"
  10
  11 namespace qbat {
  12         using namespace std;
  13
  14         bool readStringFromFile(char * buffer, const char * fileName) {
  15                 FILE *f = NULL;
  16                 f = fopen(fileName, "r");
  17                 if (f) {
  18                         fgets(buffer, BUF_SIZE, f);
  19                         fclose(f);
  20
  21                         bool fill = false;
  22                         for (int i = 0; i < BUF_SIZE; i++) {
  23                                 if (buffer[i] == '\n')
  24                                         fill = true;
  25                                 if (fill)
  26                                         buffer[i] = '\0';
  27                         }
  28
  29                         return true;
  30                 }
  31                 else
  32                         return false;
  33         }
  34
  35         int readIntSysFile(const char * fileName) {
  36                 char buffer[BUF_SIZE];
  37                 readStringFromFile(buffer, fileName);
  38                 return atoi(buffer);
  39         }
  40
  41         int toStatusInt(const char * status) {
  42                 if (strcmp(status, "Discharging") == 0)
  43                         return UI_BATTERY_DISCHARGING;
  44                 else if (strcmp(status, "Charging") == 0)
  45                         return UI_BATTERY_CHARGING;
  46                 else if (strcmp(status, "Full") == 0)
  47                         return UI_BATTERY_FULL;
  48                 else
  49                         return 0;
  50         }
  51 }