diff options
Diffstat (limited to 'man-pages-posix-2013/man3p/creat.3p')
-rw-r--r-- | man-pages-posix-2013/man3p/creat.3p | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/man-pages-posix-2013/man3p/creat.3p b/man-pages-posix-2013/man3p/creat.3p new file mode 100644 index 0000000..e97c847 --- /dev/null +++ b/man-pages-posix-2013/man3p/creat.3p @@ -0,0 +1,104 @@ +'\" et +.TH CREAT "3P" 2013 "IEEE/The Open Group" "POSIX Programmer's Manual" +.SH 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. + +.SH NAME +creat +\(em create a new file or rewrite an existing one +.SH SYNOPSIS +.LP +.nf +#include <sys/stat.h> +#include <fcntl.h> +.P +int creat(const char *\fIpath\fP, mode_t \fImode\fP); +.fi +.SH DESCRIPTION +The +\fIcreat\fR() +function shall behave as if it is implemented as follows: +.sp +.RS 4 +.nf +\fB +int creat(const char *path, mode_t mode) +{ + return open(path, O_WRONLY|O_CREAT|O_TRUNC, mode); +} +.fi \fR +.P +.RE +.SH "RETURN VALUE" +Refer to +.IR "\fIopen\fR\^(\|)". +.SH ERRORS +Refer to +.IR "\fIopen\fR\^(\|)". +.LP +.IR "The following sections are informative." +.SH EXAMPLES +.SS "Creating a File" +.P +The following example creates the file +.BR /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 +.IR fd +variable. +.sp +.RS 4 +.nf +\fB +#include <fcntl.h> +\&... +int fd; +mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH; +char *pathname = "/tmp/file"; +\&... +fd = creat(pathname, mode); +\&... +.fi \fR +.P +.RE +.SH "APPLICATION USAGE" +None. +.SH RATIONALE +The +\fIcreat\fR() +function is redundant. Its services are also provided by the +\fIopen\fR() +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. +.SH "FUTURE DIRECTIONS" +None. +.SH "SEE ALSO" +.IR "\fImknod\fR\^(\|)", +.IR "\fIopen\fR\^(\|)" +.P +The Base Definitions volume of POSIX.1\(hy2008, +.IR "\fB<fcntl.h>\fP", +.IR "\fB<sys_stat.h>\fP", +.IR "\fB<sys_types.h>\fP" +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1, 2013 Edition, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications Issue 7, Copyright (C) 2013 by the Institute of +Electrical and Electronics Engineers, Inc and The Open Group. +(This is POSIX.1-2008 with the 2013 Technical Corrigendum 1 applied.) In the +event of any discrepancy between this version and the original IEEE and +The Open Group Standard, the original IEEE and The Open Group Standard +is the referee document. The original Standard can be obtained online at +http://www.unix.org/online.html . + +Any typographical or formatting errors that appear +in this page are most likely +to have been introduced during the conversion of the source files to +man page format. To report such errors, see +https://www.kernel.org/doc/man-pages/reporting_bugs.html . |