dlm_FileOpen()
Opens a DLM file for reading or writing.
#include "dlmfile.h" DlmResult dlm_FileOpen ( DlmFileName fileName, DlmFileMode fileMode, DlmFileId * id );
fileName | name of file to open |
fileMode | dlm_FILE_MODE_READ or dlm_FILE_MODE_WRITE |
id | output for open file id (to be used in read and write functions) |
dlm_FileOpen() opens a DLM file for reading or writing.
If successful, dlm_FileOpen() returns a non-negative value. Otherwise, it returns a negative value indicating the reason it failed. Possible unsuccessful return values are:
if ((result = dlm_FileOpen(fileName, dlm_FILE_MODE_WRITE, &id)) < 0) { printf("Error: Failure opening file for writing: %s.\n", dlm_ErrorMessage(result)); } else { /* do something */ if ((result = dlm_FileClose(id) < 0) { printf("Error: Failure closing file: %s.\n", dlm_ErrorMessage(result)); } else { printf("File closed.\n"); } }