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 <cstdio>
  10 #include "common.h"
  11
  12 namespace qbat {
  13         using namespace std;
  14
  15         bool readStringFromFile(char * buffer, const char * fileName) {
  16                 FILE *f = NULL;
  17                 f = fopen(fileName, "r");
  18                 if (f) {
  19                         fgets(buffer, BUF_SIZE, f);
  20                         fclose(f);
  21
  22                         bool fill = false;
  23                         for (int i = 0; i < BUF_SIZE; i++) {
  24                                 if (buffer[i] == '\n')
  25                                         fill = true;
  26                                 if (fill)
  27                                         buffer[i] = '\0';
  28                         }
  29
  30                         return true;
  31                 }
  32                 else
  33                         return false;
  34         }
  35
  36         int readIntSysFile(const char * fileName) {
  37                 char buffer[BUF_SIZE];
  38                 readStringFromFile(buffer, fileName);
  39                 return atoi(buffer);
  40         }
  41
  42         int toStatusInt(const char * status) {
  43                 if (strcmp(status, "Discharging") == 0)
  44                         return UI_BATTERY_DISCHARGING;
  45                 else if (strcmp(status, "Charging") == 0)
  46                         return UI_BATTERY_CHARGING;
  47                 else if (strcmp(status, "Full") == 0)
  48                         return UI_BATTERY_FULL;
  49                 else
  50                         return 0;
  51         }
  52 }