`creat.3p` ( 3 )

создать новый файл или перезаписать существующий (create a new file or rewrite an existing one)

Пролог (Prolog)

This manual page is part of the POSIX Programmer's Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.

Имя (Name)

creat — create a new file or rewrite an existing one

Синопсис (Synopsis)

#include <sys/stat.h> #include <fcntl.h>

int creat(const char *path, mode_t mode);

Описание (Description)

The creat() function shall behave as if it is implemented as follows:

int creat(const char *path, mode_t mode) { return open(path, O_WRONLY|O_CREAT|O_TRUNC, mode); }

Возвращаемое значение (Return value)

Refer to open(3p).

Ошибки (Error)

Refer to open(3p).

The following sections are informative.

Примеры (Examples)

Creating a File
       The following example creates the file /tmp/file with read and
       write permissions for the file owner and read permission for
       group and others. The resulting file descriptor is assigned to
       the fd variable.

           #include <fcntl.h>
           ...
           int fd;
           mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
           char *pathname = "/tmp/file";
           ...
           fd = creat(pathname, mode);
           ...

Использование в приложениях (Application usage)

None.

Обоснование (Rationale)

The creat() function is redundant. Its services are also provided by the open() function. It has been included primarily for historical purposes since many existing applications depend on it. It is best considered a part of the C binding rather than a function that should be provided in other languages.

Будущие направления (Future directions)