blackbook.c

   1 /*
   2  * blackbook - a minimal finance manager
   3  *
   4  * author: hackbard@hackdaworld.org
   5  *
   6  */
   7
   8 #include "blackbook.h"
   9
  10
  11
  12 int load_account(int fd,t_bb *bb) {
  13
  14   int i;
  15   int ret;
  16
  17   if(read(fd,&(bb->account),sizeof(t_account))<sizeof(t_account)) {
  18     bb_write(bb,"failed to read account information");
  19     return -1;
  20   }
  21
  22   i=bb->account.amount_categories;
  23   bb->account.category=(t_category *)malloc(i*sizeof(t_category));
  24   if(bb->account.category==NULL) {
  25     bb_write(bb,"malloc failed (categories)");
  26     return -1;
  27   }
  28
  29   for(i=0;i<bb->account.amount_categories;i++) {
  30     ret=read(fd,bb->account.category,sizeof(t_category));
  31     if(ret!=sizeof(t_category)) {
  32       bb_write(bb,"failed to read categories");
  33       return -1;
  34     }
  35   }
  36
  37   i=bb->account.amount_transfers;
  38   bb->account.transfer=(t_transfer *)malloc(i*sizeof(t_transfer));
  39   if(bb->account.transfer==NULL) {
  40     bb_write(bb,"malloc failed (transfers)");
  41     return -1;
  42   }
  43
  44   for(i=0;i<bb->account.amount_transfers;i++) {
  45     ret=read(fd,bb->account.transfer,sizeof(t_transfer));
  46     if(ret!=sizeof(t_transfer)) {
  47       bb_write(bb,"failed to read transfers");
  48       return -1;
  49     }
  50   }
  51
  52   bb_write(bb,"loaded account information");
  53
  54   return 1;
  55 }
  56
  57 int save_account(int fd,t_bb *bb) {
  58
  59   int i;
  60   int ret;
  61
  62   if(write(fd,&(bb->account),sizeof(t_account))<sizeof(t_account)) {
  63     bb_write(bb,"failed to write account information");
  64     return -1;
  65   }
  66
  67   for(i=0;i<bb->account.amount_categories;i++) {
  68     ret=write(fd,bb->account.category[i],sizeof(t_category));
  69     if(ret!=sizeof(t_category)) {
  70       bb_write(bb,"failed to write categories");
  71       return -1;
  72     }
  73   }
  74
  75   for(i=0;i<bb->account.amount_transfers;i++) {
  76     ret=write(fd,bb->account.transfer[i],sizeof(t_transfer));
  77     if(ret!=sizeof(t_transfer)) {
  78       bb_write(bb,"failed to write transfers");
  79       return -1;
  80     }
  81   }
  82
  83   bb_write(bb,"saved account information");
  84
  85   return 1;
  86 }
  87
  88
  89
  90 int main(int argc,char **argv) {
  91
  92
  93
  94   return 1;
  95 }