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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:40:15 +0000 |
commit | 399644e47874bff147afb19c89228901ac39340e (patch) | |
tree | 1c4c0b733f4c16b5783b41bebb19194a9ef62ad1 /man3/fgetpwent.3 | |
parent | Initial commit. (diff) | |
download | manpages-399644e47874bff147afb19c89228901ac39340e.tar.xz manpages-399644e47874bff147afb19c89228901ac39340e.zip |
Adding upstream version 6.05.01.upstream/6.05.01
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | man3/fgetpwent.3 | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/man3/fgetpwent.3 b/man3/fgetpwent.3 new file mode 100644 index 0000000..676fe26 --- /dev/null +++ b/man3/fgetpwent.3 @@ -0,0 +1,128 @@ +'\" t +.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.\" References consulted: +.\" Linux libc source code +.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) +.\" 386BSD man pages +.\" +.\" Modified Sat Jul 24 19:37:37 1993 by Rik Faith (faith@cs.unc.edu) +.\" Modified Mon May 27 22:40:48 1996 by Martin Schulze (joey@linux.de) +.\" +.TH fgetpwent 3 2023-07-20 "Linux man-pages 6.05.01" +.SH NAME +fgetpwent \- get password file entry +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include <stdio.h> +.B #include <sys/types.h> +.B #include <pwd.h> +.PP +.BI "struct passwd *fgetpwent(FILE *" stream ); +.fi +.PP +.RS -4 +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.RE +.PP +.BR fgetpwent (): +.nf + Since glibc 2.19: + _DEFAULT_SOURCE + glibc 2.19 and earlier: + _SVID_SOURCE +.fi +.SH DESCRIPTION +The +.BR fgetpwent () +function returns a pointer to a structure containing +the broken out fields of a line in the file \fIstream\fP. +The first time it is called it returns the first entry; +thereafter, it returns successive entries. +The file referred to by +.I stream +must have the same format as +.I /etc/passwd +(see +.BR passwd (5)). +.PP +The \fIpasswd\fP structure is defined in \fI<pwd.h>\fP as follows: +.PP +.in +4n +.EX +struct passwd { + char *pw_name; /* username */ + char *pw_passwd; /* user password */ + uid_t pw_uid; /* user ID */ + gid_t pw_gid; /* group ID */ + char *pw_gecos; /* real name */ + char *pw_dir; /* home directory */ + char *pw_shell; /* shell program */ +}; +.EE +.in +.SH RETURN VALUE +The +.BR fgetpwent () +function returns a pointer to a +.I passwd +structure, or NULL if +there are no more entries or an error occurs. +In the event of an error, +.I errno +is set to indicate the error. +.SH ERRORS +.TP +.B ENOMEM +Insufficient memory to allocate +.I passwd +structure. +.SH FILES +.TP +.I /etc/passwd +password database file +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR fgetpwent () +T} Thread safety MT-Unsafe race:fgetpwent +.TE +.sp 1 +.\" FIXME: The marking is different from that in the glibc manual, +.\" which has: +.\" +.\" fgetpwent: MT-Unsafe race:fpwent +.\" +.\" We think race:fpwent in glibc maybe hard for users to understand, +.\" and have sent a patch to the GNU libc community for changing it to +.\" race:fgetpwent, however, something about the copyright impeded the +.\" progress. +.SH STANDARDS +None. +.SH HISTORY +SVr4. +.SH SEE ALSO +.BR endpwent (3), +.BR fgetpwent_r (3), +.BR fopen (3), +.BR getpw (3), +.BR getpwent (3), +.BR getpwnam (3), +.BR getpwuid (3), +.BR putpwent (3), +.BR setpwent (3), +.BR passwd (5) |