diff options
Diffstat (limited to '')
| -rw-r--r-- | man2/stat.2 | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/man2/stat.2 b/man2/stat.2 index f41daab..bb813ff 100644 --- a/man2/stat.2 +++ b/man2/stat.2 @@ -16,7 +16,7 @@ .\" 2007-06-08 mtk: Added example program .\" 2007-07-05 mtk: Added details on underlying system call interfaces .\" -.TH stat 2 2023-05-03 "Linux man-pages 6.05.01" +.TH stat 2 2023-10-31 "Linux man-pages 6.7" .SH NAME stat, fstat, lstat, fstatat \- get file status .SH LIBRARY @@ -25,25 +25,25 @@ Standard C library .SH SYNOPSIS .nf .B #include <sys/stat.h> -.PP +.P .BI "int stat(const char *restrict " pathname , .BI " struct stat *restrict " statbuf ); .BI "int fstat(int " fd ", struct stat *" statbuf ); .BI "int lstat(const char *restrict " pathname , .BI " struct stat *restrict " statbuf ); -.PP +.P .BR "#include <fcntl.h> " "/* Definition of " AT_* " constants */" .B #include <sys/stat.h> -.PP +.P .BI "int fstatat(int " dirfd ", const char *restrict " pathname , .BI " struct stat *restrict " statbuf ", int " flags ); .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR lstat (): .nf /* Since glibc 2.20 */ _DEFAULT_SOURCE @@ -52,7 +52,7 @@ Feature Test Macro Requirements for glibc (see || /* Since glibc 2.10: */ _POSIX_C_SOURCE >= 200112L || /* glibc 2.19 and earlier */ _BSD_SOURCE .fi -.PP +.P .BR fstatat (): .nf Since glibc 2.10: @@ -71,7 +71,7 @@ and (search) permission is required on all of the directories in .I pathname that lead to the file. -.PP +.P .BR stat () and .BR fstatat () @@ -80,7 +80,7 @@ retrieve information about the file pointed to by the differences for .BR fstatat () are described below. -.PP +.P .BR lstat () is identical to .BR stat (), @@ -88,7 +88,7 @@ except that if .I pathname is a symbolic link, then it returns information about the link itself, not the file that the link refers to. -.PP +.P .BR fstat () is identical to .BR stat (), @@ -101,7 +101,7 @@ All of these system calls return a .I stat structure (see .BR stat (3type)). -.PP +.P .\" Background: inode attributes are modified with i_mutex held, but .\" read by stat() without taking the mutex. .IR Note : @@ -135,7 +135,7 @@ which can still provide exactly the behavior of each of .BR lstat (), and .BR fstat (). -.PP +.P If the pathname given in .I pathname is relative, then it is interpreted relative to the directory @@ -147,7 +147,7 @@ the calling process, as is done by and .BR lstat () for a relative pathname). -.PP +.P If .I pathname is relative and @@ -161,13 +161,13 @@ directory of the calling process (like .BR stat () and .BR lstat ()). -.PP +.P If .I pathname is absolute, then .I dirfd is ignored. -.PP +.P .I flags can either be 0, or include one or more of the following flags ORed: .TP @@ -214,7 +214,7 @@ instead return information about the link itself, like .BR fstatat () dereferences symbolic links, like .BR stat ().) -.PP +.P See .BR openat (2) for an explanation of the need for @@ -329,7 +329,7 @@ SVr4, 4.3BSD, POSIX.1-2001. POSIX.1-2008. Linux 2.6.16, glibc 2.4. -.PP +.P According to POSIX.1-2001, .BR lstat () on a symbolic link need return valid information only in the @@ -343,7 +343,7 @@ POSIX.1-2008 tightens the specification, requiring .BR lstat () to return valid information in all fields except the mode bits in .IR st_mode . -.PP +.P Use of the .I st_blocks and @@ -377,7 +377,7 @@ Similar remarks apply for .BR fstat () and .BR lstat (). -.PP +.P The kernel-internal versions of the .I stat structure dealt with by the different versions are, respectively: @@ -404,7 +404,7 @@ and various other enlarged fields and further padding in the structure. (Various padding bytes were eventually consumed in Linux 2.6, with the advent of 32-bit device IDs and nanosecond components for the timestamp fields.) -.PP +.P The glibc .BR stat () wrapper function hides these details from applications, @@ -438,13 +438,13 @@ and repacking the returned information if required for old binaries. .\" interface, rather than the libc-kernel interface. .\" .\" (Note that the details depend on gcc being used as c compiler.) -.PP +.P On modern 64-bit systems, life is simpler: there is a single .BR stat () system call and the kernel deals with a .I stat structure that contains fields of a sufficient size. -.PP +.P The underlying system call employed by the glibc .BR fstatat () wrapper function is actually called @@ -458,7 +458,7 @@ The following program calls and displays selected fields in the returned .I stat structure. -.PP +.P .\" SRC BEGIN (stat.c) .EX #include <stdint.h> |