dbf_WriteRecord fails because dbf_Open opens the file in read-only mode.

[Bendimester23]

libdbf/src/dbf.c

Line 187 in 20c1f46

} else if ((p_dbf->dbf_fh = open(file, O_RDONLY|O_BINARY)) == -1) {

This can be fixed by changing O_RDONLY to O_RDWR.