int main(int argc, char** argv) { int heapFile, i = 25; /*to i dinetai san orisma gia tin get otan psaxnoume gia int*/ char ch = 'M'; /*to ch dinetai san orisma stinget otan psaxnoume gia char*/ Record record; /* Create heap file */ if(HP_CreateFile(FILENAME_HEAP) < 0) { fprintf(stderr, "Error creating heap file.\n"); exit(EXIT_FAILURE); } /* Open heap file */ if ((heapFile = HP_OpenFile(FILENAME_HEAP)) < 0) { fprintf(stderr, "Error opening heap file.\n"); exit(EXIT_FAILURE); } while (!feof(stdin)) { /* read line, until eof */ scanf("%d %s %s %c %s %d %c %d %d", &record.id, record.name, record.surname, record.status, record.dateOfBirth, &record.salary, record.section, &record.daysOff, &record.prevYears); /* Insert record in heap file */ if (HP_InsertEntry(heapFile, record) < 0) { fprintf(stderr, "Error inserting entry in heap file.\n"); HP_CloseFile(heapFile); exit(EXIT_FAILURE); } } /*--------------------GETALLENTRIES------------------------*/ //HP_GetAllEntries(heapFile, "id", &i);// //HP_GetAllEntries(heapFile, "name", "Emmanouil");// //HP_GetAllEntries(heapFile, "status", &ch);// HP_GetAllEntries(heapFile, NULL, NULL); /* Close heap file */ if (HP_CloseFile(heapFile) < 0) { fprintf(stderr, "Error closing heap file.\n"); exit(EXIT_FAILURE); } return EXIT_SUCCESS; }
int main() { int x,fd,i; Record temp; BF_Init(); x = HP_CreateFile("arxeio"); fd = HP_OpenFile("arxeio"); strcpy(temp.name,"nikos"); strcpy(temp.surname,"liappas"); strcpy(temp.city,"athens"); for(i=0;i<100;i++) { temp.id=i; x=HP_InsertEntry(fd,temp); } x=97; x=HP_DeleteEntry(fd,"surname","liappas"); HP_GetAllEntries(fd,"id",NULL); return 0; }
int main( int argc, char* argv[] ){ int i,x; int fdhp1; srand( time(NULL) ); BF_Init(); //////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////// if ( (fdhp1 = HP_OpenFile("hp1")) < 0 ) { BF_PrintError("Error opening file hp1"); return -1; } x=15; printf("\nSearching for records with id 15 in file hp1\n"); HP_GetAllEntries(fdhp1, "id", &x); printf("\nSearching for records with name VASSILIS in file hp1\n"); HP_GetAllEntries(fdhp1, "name", "VASSILIS"); printf("\nDeleting records with name VASSILIS in file hp1\n"); if ( HP_DeleteEntry (fdhp1, "name", "VASSILIS") < 0) { BF_PrintError("Error deleting record in file hp1"); HP_CloseFile(fdhp1); return -1; } printf("\nSearching for records with name VASSILIS in file hp1\n"); HP_GetAllEntries(fdhp1, "name", "VASSILIS"); /* No entries found */ i = 0; while ( i < 15 ) /* Insert 15 records in heap file */ { Record r = randomRecord(); if( HP_InsertEntry (fdhp1, r) < 0) { BF_PrintError("Error inserting record in file hp1"); HP_CloseFile(fdhp1); return -1; } printf("\nRecord (%d, %s, %s, %s) was successfully inserted in file hp1\n", r.id, r.name, r.surname, r.city); i++; } /* Print everything that exists in file hp1 */ printf("Printing everything in file hp1\n"); HP_GetAllEntries(fdhp1, NULL, NULL); x=12; printf("\nDeleting records with id 12 in file hp1\n"); if ( HP_DeleteEntry (fdhp1, "id", &x) < 0) { BF_PrintError("Error deleting record in file hp1"); HP_CloseFile(fdhp1); return -1; } printf("\nSearching for records with surname PAPAPETROU in file hp1\n"); HP_GetAllEntries(fdhp1, "surname", "PAPAPETROU"); if( HP_CloseFile(fdhp1) < 0) { BF_PrintError("Error closing file hp1"); return -1; } //////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////// //////////////////////////////////////////////////////////////////////////////// return 0; }