X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/47ac9cef9d5cf9ccf4739355db1e0bb3d90dda33..599347b970dec2ad471021b8eecca62e8f0854e9:/src/msg/msg_io.c diff --git a/src/msg/msg_io.c b/src/msg/msg_io.c index 0ab1ee1cb9..c00fb8560d 100644 --- a/src/msg/msg_io.c +++ b/src/msg/msg_io.c @@ -6,29 +6,88 @@ #include "msg_private.h" -// FILE +/** @addtogroup m_file_management + * \htmlonly \endhtmlonly + * (#m_file_t) and the functions for managing it. + * + * \see #m_file_t + */ -size_t MSG_file_read(void* ptr, size_t size, size_t nmemb, m_file_t stream) +/********************************* File **************************************/ + +/** \ingroup m_file_management + * \brief Read elements of a file + * + * \param storage is the name where find the stream + * \param ptr buffer to where the data is copied + * \param size of each element + * \param nmemb is the number of elements of data to read + * \param stream to read + * \return the number of items successfully read + */ +size_t MSG_file_read(const char* storage, void* ptr, size_t size, size_t nmemb, m_file_t stream) { - return simcall_file_read(ptr, size, nmemb, (smx_file_t)stream); + return simcall_file_read(storage, ptr, size, nmemb, (m_file_t)stream); } -size_t MSG_file_write(const void* ptr, size_t size, size_t nmemb, m_file_t stream) +/** \ingroup m_file_management + * \brief Write elements into a file + * + * \param storage is the name where find the stream + * \param ptr buffer from where the data is copied + * \param size of each element + * \param nmemb is the number of elements of data to write + * \param stream to write + * \return the number of items successfully write + */ +size_t MSG_file_write(const char* storage, const void* ptr, size_t size, size_t nmemb, m_file_t stream) { - return simcall_file_write(ptr, size, nmemb, (smx_file_t)stream); + return simcall_file_write(storage, ptr, size, nmemb, (m_file_t)stream); } -m_file_t MSG_file_open(const char* path, const char* mode) +/** \ingroup m_file_management + * \brief Opens the file whose name is the string pointed to by path + * + * \param storage is the name where find the file to open + * \param path is the file location on the storage + * \param mode points to a string beginning with one of the following sequences (Additional characters may follow these sequences.): + * r Open text file for reading. The stream is positioned at the beginning of the file. + * r+ Open for reading and writing. The stream is positioned at the beginning of the file. + * w Truncate file to zero length or create text file for writing. The stream is positioned at the beginning of the file. + * w+ Open for reading and writing. The file is created if it does not exist, otherwise it is truncated. The stream is positioned at the begin‐ + * ning of the file. + * a Open for appending (writing at end of file). The file is created if it does not exist. The stream is positioned at the end of the file. + * a+ Open for reading and appending (writing at end of file). The file is created if it does not exist. The initial file position for reading + * is at the beginning of the file, but output is always appended to the end of the file. + * + * \return An #m_file_t associated to the file + */ +m_file_t MSG_file_open(const char* storage, const char* path, const char* mode) { - return (m_file_t) simcall_file_open(path, mode); + return (m_file_t) simcall_file_open(storage, path, mode); } -int MSG_file_close(m_file_t fp) +/** \ingroup m_file_management + * \brief Close the file + * + * \param storage is the name where find the stream + * \param fp is the file to close + * \return 0 on success or 1 on error + */ +int MSG_file_close(const char* storage, m_file_t fp) { - return simcall_file_close((smx_file_t)fp); + return simcall_file_close(storage, (m_file_t)fp); } -int MSG_file_stat(int fd, void* buf) +/** \ingroup m_file_management + * \brief Stats the file pointed by fd + * + * \param storage is the name where find the stream + * \param fd is the file descriptor + * \param buf is the return structure with informations + * \return 0 on success or 1 on error + */ +int MSG_file_stat(const char* storage, int fd, void* buf) { - return simcall_file_stat(fd, buf); + return simcall_file_stat(storage, fd, buf); }