3 * UCC (University [of WA] Computer Club) Electronic Accounting System
4 * - Cokebank (Basic Version)
6 * bank.c - Actual bank database
8 * This file is licenced under the 3-clause BSD Licence. See the file COPYING
20 USER_TYPE_NORMAL = 0x00,
21 USER_TYPE_COKE = 0x01,
22 USER_TYPE_WHEEL = 0x02,
27 static int GetUnixID(const char *Username);
35 int Bank_GetUserByName(const char *Username)
39 uid = GetUnixID(Username);
41 // Expensive search :(
42 for( i = 0; i < giBank_NumUsers; i ++ )
44 if( gaBank_Users[i].UnixID == uid )
51 int Bank_GetUserBalance(int ID)
53 if( ID < 0 || ID >= giBank_NumUsers )
56 return gaBank_Users[ID].Balance;
59 int Bank_GetUserFlags(int ID)
61 if( ID < 0 || ID >= giBank_NumUsers )
64 return gaBank_Users[ID].Flags;
67 int Bank_AlterUserBalance(int ID, int Delta)
70 if( ID < 0 || ID >= giBank_NumUsers )
74 gaBank_Users[ID].Balance += Delta;
77 fseek(gBank_File, ID*sizeof(gaBank_Users[0]), SEEK_SET);
78 fwrite(&gaBank_Users[ID], sizeof(gaBank_Users[0]), 1, gBank_File);
83 int Bank_SetUserBalance(int ID, int Value)
86 if( ID < 0 || ID >= giBank_NumUsers )
90 gaBank_Users[ID].Balance = Value;
93 fseek(gBank_File, ID*sizeof(gaBank_Users[0]), SEEK_SET);
94 fwrite(&gaBank_Users[ID], sizeof(gaBank_Users[0]), 1, gBank_File);
99 int Bank_GetMinAllowedBalance(int ID)
101 if( ID < 0 || ID >= giBank_NumUsers )
104 // printf("gaBank_Users[%i].Flags = 0x%x\n", ID, gaBank_Users[ID].Flags);
106 switch( gaBank_Users[ID].Flags & FLAG_TYPEMASK )
108 case USER_TYPE_NORMAL: return 0;
109 case USER_TYPE_COKE: return -2000;
110 case USER_TYPE_WHEEL: return -10000;
111 case USER_TYPE_GOD: return INT_MIN;
117 * \brief Create a new user in our database
119 int Bank_AddUser(const char *Username)
122 int uid = GetUnixID(Username);
124 // Can has moar space plz?
125 tmp = realloc(gaBank_Users, (giBank_NumUsers+1)*sizeof(gaBank_Users[0]));
126 if( !tmp ) return -1;
130 gaBank_Users[giBank_NumUsers].UnixID = uid;
131 gaBank_Users[giBank_NumUsers].Balance = 0;
132 gaBank_Users[giBank_NumUsers].Flags = 0;
134 if( strcmp(Username, ">liability") == 0 ) {
135 gaBank_Users[giBank_NumUsers].Flags = USER_TYPE_GOD; // No minium
137 else if( strcmp(Username, "root") == 0 ) {
138 gaBank_Users[giBank_NumUsers].Flags = USER_TYPE_GOD; // No minium
142 fseek(gBank_File, giBank_NumUsers*sizeof(gaBank_Users[0]), SEEK_SET);
143 fwrite(&gaBank_Users[giBank_NumUsers], sizeof(gaBank_Users[0]), 1, gBank_File);
152 // Unix user dependent code
153 // TODO: Modify to keep its own list of usernames
155 char *Bank_GetUserName(int ID)
159 if( ID < 0 || ID >= giBank_NumUsers )
162 if( gaBank_Users[ID].UnixID == -1 )
163 return strdup(">sales");
165 if( gaBank_Users[ID].UnixID == -2 )
166 return strdup(">liability");
168 pwd = getpwuid(gaBank_Users[ID].UnixID);
169 if( !pwd ) return NULL;
171 return strdup(pwd->pw_name);
174 static int GetUnixID(const char *Username)
178 if( strcmp(Username, ">sales") == 0 ) { // Pseudo account that sales are made into
181 else if( strcmp(Username, ">liability") == 0 ) { // Pseudo acount that money is added from
187 pwd = getpwnam(Username);
188 if( !pwd ) return -1;