Both POSIX and glibc use 'restrict' in fgetpos().
Let's use it here too.
glibc:
============================= fgetpos
libio/stdio.h:736:
int fgetpos (FILE *restrict stream, fpos_t *restrict pos);
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Both POSIX and glibc use 'restrict' in these functions.
Let's use it here too.
glibc:
============================= fread
libio/stdio.h:651:
size_t fread (void *restrict ptr, size_t size,
size_t n, FILE *restrict stream) wur;
============================= fwrite
libio/stdio.h:657:
size_t fwrite (const void *restrict ptr, size_t size,
size_t n, FILE *restrict s);
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Both POSIX and glibc use 'restrict' in fputws().
Let's use it here too.
glibc:
============================= fputws
wcsmbs/wchar.h:765:
int fputws (const wchar_t *restrict ws,
FILE *restrict stream);
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Both POSIX and glibc use 'restrict' for fgetws().
Let's use it here too.
glibc:
wcsmbs/wchar.h:758:
wchar_t *fgetws (wchar_t *restrict ws, int n,
FILE *restrict stream);
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Both POSIX and glibc use 'restrict' in fgets().
Let's use it here too.
glibc:
libio/stdio.h:568:
char *fgets (char *restrict s, int n, FILE *restrict stream)
wur attr_access ((write_only__, 1, 2));
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
POSIX.1-2001 and glibc use 'restrict' for these functions.
Let's use it here too.
glibc:
============================= ecvt
stdlib/stdlib.h:872:
char *ecvt (double value, int ndigit, int *restrict decpt,
int *restrict sign) THROW nonnull ((3, 4)) wur;
============================= fcvt
stdlib/stdlib.h:878:
char *fcvt (double value, int ndigit, int *restrict decpt,
int *restrict sign) THROW nonnull ((3, 4)) wur;
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Glibc uses 'restrict' for some of the functions in this page:
============================= drand48_r
stdlib/stdlib.h:501:
int drand48_r (struct drand48_data *restrict buffer,
double *restrict result) THROW nonnull ((1, 2));
============================= erand48_r
stdlib/stdlib.h:503:
int erand48_r (unsigned short int xsubi[3],
struct drand48_data *restrict buffer,
double *restrict result) THROW nonnull ((1, 2));
============================= lrand48_r
stdlib/stdlib.h:508:
int lrand48_r (struct drand48_data *restrict buffer,
long int *restrict result)
THROW nonnull ((1, 2));
============================= nrand48_r
stdlib/stdlib.h:511:
int nrand48_r (unsigned short int xsubi[3],
struct drand48_data *restrict buffer,
long int *restrict result)
THROW nonnull ((1, 2));
============================= mrand48_r
stdlib/stdlib.h:517:
int mrand48_r (struct drand48_data *restrict buffer,
long int *restrict result)
THROW nonnull ((1, 2));
============================= jrand48_r
stdlib/stdlib.h:520:
int jrand48_r (unsigned short int xsubi[3],
struct drand48_data *restrict buffer,
long int *restrict result)
THROW nonnull ((1, 2));
============================= srand48_r
stdlib/stdlib.h:526:
int srand48_r (long int seedval, struct drand48_data *buffer)
THROW nonnull ((2));
============================= seed48_r
stdlib/stdlib.h:529:
int seed48_r (unsigned short int seed16v[3],
struct drand48_data *buffer) THROW nonnull ((1, 2));
============================= lcong48_r
stdlib/stdlib.h:532:
int lcong48_r (unsigned short int param[7],
struct drand48_data *buffer)
THROW nonnull ((1, 2));
Let's use it here too.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
POSIX specifies that the parameters of memcpy()
shall be 'restrict'. Glibc uses 'restrict' too.
Let's use it here too.
It's especially important in memcpy(),
as it's been a historical source of bugs.
......
.../glibc$ grep_glibc_prototype memcpy
posix/regex_internal.h:746:
{
memcpy (dest, src, sizeof (bitset_t));
string/string.h:43:
extern void *memcpy (void *__restrict __dest, const void *__restrict __src,
size_t __n) __THROW __nonnull ((1, 2));
.../glibc$
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Epoch is 1970-01-01 00:00:00 +0000, UTC (see time(7)).
Reported-by: Walter Franzini <walter.franzini@gmail.com>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Both functions have the same header.
There's no reason to separate the prototypes repeating the header.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
RESOLVE_CACHED allows an application to attempt a cache-only open
of a file. If this isn't possible, the request will fail with
-1/EAGAIN and the caller should retry without RESOLVE_CACHED set.
This will generally happen from a different context, where a slower
open operation can be performed.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Make it clear that netlink error responses (i.e., messages with
type NLMSG_ERROR (0x2)), can be longer than sizeof(struct
nlmsgerr). In certain circumstances, the payload can be longer.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
That file should be sourced (.) from 'bashrc' (or 'bash_aliases').
It contains functions that are useful for the maintenance of this
project.
- grep_syscall()
- grep_syscall_def()
- man_section()
- man_lsfunc()
- pdfman()
- grep_glibc_prototype()
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
POSIX does NOT specify aio_suspend() to use 'restrict'.
However, glibc uses 'restrict'.
Users might be surprised by this! Let's use it here too!
......
.../glibc$ grep_glibc_prototype aio_suspend
rt/aio.h:167:
extern int aio_suspend (const struct aiocb *const __list[], int __nent,
const struct timespec *__restrict __timeout)
__nonnull ((1));
.../glibc$
Cc: libc-alpha@sourceware.org
Cc: Ulrich Drepper <drepper@redhat.com>
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
POSIX specifies that [sig]longjmp() shall not return,
transferring control back to the caller of [sig]setjmp().
Glibc uses __attribute__((__noreturn__)) for [sig]longjmp().
Let's use standard C11 'noreturn' in the manual page.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
POSIX specifies that pthread_exit() shall not return.
Glibc uses __attribute__((__noreturn__)).
Let's use standard C11 'noreturn' in the manual page.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
POSIX specifies that exit() shall not return.
Glibc uses __attribute__((__noreturn__)).
Let's use standard C11 'noreturn' in the manual page.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Glibc uses __attribute__((__noreturn__)) for [v]err[x]().
These functions never return.
Let's use standard C11 'noreturn' in the manual page.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
POSIX specifies that _exit() and _Exit() shall not return.
Glibc uses __attribute__((__noreturn__)).
Let's use standard C11 'noreturn' in the manual page.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
POSIX specifies that abort() shall not return.
Glibc uses __attribute__((__noreturn__)).
Let's use standard C11 'noreturn' in the manual page.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Alejandro Colomar