file_fclose.tex

嵌入式文件系统 EFSL 0.3.5 / 嵌入式文件系统 EFSL 0.3.5

\subsubsection*{Purpose}
Updates file records and closes file object.
\subsubsection*{Prototype}
\code{esint8 file\_fclose(File *file);}
\subsubsection*{Arguments}
Objects passed to \code{file\_fopen}:
\begin{itemize}
	\item{\code{file}: pointer to a File object}
\end{itemize}
\subsubsection*{Return value}
Returns 0 if no errors are detected.\\
\newline
Returns non-zero if an error is detected.
\subsubsection*{Example}
\lstset{numbers=left, stepnumber=1, numberstyle=\small, numbersep=5pt, tabsize=4}
\begin{lstlisting}
	#include "efs.h"

	void main(void)
	{
		EmbeddedFileSystem efsl;
		File file;

		/* Initialize efsl */
		DBG((TXT("Will init efsl now.\n")));
		if(efs_init(&efsl,"/dev/sda")!=0){
			DBG((TXT("Could not initialize filesystem (err \%d).\n"),ret));
			exit(-1);
		}
		DBG((TXT("Filesystem correctly initialized.\n")));

		/* Open file for reading */
		if(file_fopen(&file, &efsl.myFs, "read.txt", 'r')!=0){
			DBG((TXT("Could not open file for reading.\n")));
			exit(-1);
		}
		DBG((TXT("File opened for reading.\n")));

		/* Close file & filesystem */
		fclose(&file);
		fs_umount(&efs.myFs);
	}
\end{lstlisting}