GRASS Programmer's Manual 6.4.1(2011)
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00001 00015 #include <grass/dbmi.h> 00016 00022 const char *db_list_drivers(void) 00023 { 00024 dbDbmscap *list, *cur; 00025 dbString drivernames; 00026 00027 db_init_string(&drivernames); 00028 00029 /* read the dbmscap info */ 00030 if (NULL == (list = db_read_dbmscap())) 00031 return NULL; 00032 else { 00033 /* build the comma separated string of existing drivers */ 00034 for (cur = list; cur; cur = cur->next) { 00035 if (cur->driverName == '\0') 00036 break; 00037 else { 00038 if (cur != list) 00039 db_append_string(&drivernames, ","); 00040 db_append_string(&drivernames, cur->driverName); 00041 } 00042 } 00043 } 00044 00045 return db_get_string(&drivernames); 00046 }