c_list_tabs.c

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00001 
00015 #include <stdlib.h>
00016 #include <string.h>
00017 #include <grass/dbmi.h>
00018 #include "macros.h"
00019 
00020 static int cmp_dbstr(const void *pa, const void *pb)
00021 {
00022     const char *a = db_get_string((dbString *) pa);
00023     const char *b = db_get_string((dbString *) pb);
00024 
00025     return strcmp(a, b);
00026 }
00027 
00039 int db_list_tables(dbDriver * driver, dbString ** names, int *count, int system)
00040 {
00041     int ret_code;
00042 
00043     /* start the procedure call */
00044     db__set_protocol_fds(driver->send, driver->recv);
00045     DB_START_PROCEDURE_CALL(DB_PROC_LIST_TABLES);
00046 
00047     /* arguments */
00048     DB_SEND_INT(system);
00049 
00050     /* get the return code for the procedure call */
00051     DB_RECV_RETURN_CODE(&ret_code);
00052 
00053     if (ret_code != DB_OK)
00054         return ret_code;        /* ret_code SHOULD == DB_FAILED */
00055 
00056     /* results */
00057     DB_RECV_STRING_ARRAY(names, count);
00058 
00059     qsort(*names, *count, sizeof(dbString), cmp_dbstr);
00060 
00061     return DB_OK;
00062 }

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