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/* See LICENSE file for copyright and license details. */
#include <fcntl.h>
#include <errno.h>
#if defined(POSIX_FADV_SEQUENTIAL)
# define fadvise_sequential(...) posix_fadvise(__VA_ARGS__, POSIX_FADV_SEQUENTIAL)
#else
# define fadvise_sequential(...)
#endif
#if defined(POSIX_FADV_RANDOM)
# define fadvise_random(...) posix_fadvise(__VA_ARGS__, POSIX_FADV_RANDOM)
#else
# define fadvise_random(...)
#endif
#define ewriteall(...) enwriteall(1, __VA_ARGS__)
#define ereadall(...) enreadall(1, __VA_ARGS__)
#define epwriteall(...) enpwriteall(1, __VA_ARGS__)
#define ewritezeroes(...) enwritezeroes(1, __VA_ARGS__)
#define egetfile(...) engetfile(1, __VA_ARGS__)
int writeall(int fd, void *buf, size_t n);
static inline void
enwriteall(int status, int fd, void *buf, size_t n, const char *fname)
{
if (writeall(fd, buf, n))
enprintf(status, "write %s:", fname);
}
ssize_t readall(int fd, void *buf, size_t n);
static inline size_t
enreadall(int status, int fd, void *buf, size_t n, const char *fname)
{
ssize_t r = readall(fd, buf, n);
if (r < 0)
enprintf(status, "read %s:", fname);
return (size_t)r;
}
int pwriteall(int fd, void *buf, size_t n, size_t ptr);
static inline void
enpwriteall(int status, int fd, void *buf, size_t n, size_t ptr, const char *fname)
{
if (pwriteall(fd, buf, n, ptr))
enprintf(status, "pwrite %s:", fname);
}
int writezeroes(int fd, void *buf, size_t bufsize, size_t n);
static inline void
enwritezeroes(int status, int fd, void *buf, size_t bufsize, size_t n, const char *fname)
{
if (writezeroes(fd, buf, bufsize, n))
enprintf(status, "write %s:", fname);
}
int getfile(int fd, void *bufp, size_t *restrict ptrp, size_t *restrict sizep);
static inline void
engetfile(int status, int fd, void *bufp, size_t *restrict ptrp,
size_t *restrict sizep, const char *fname)
{
if (getfile(fd, bufp, ptrp, sizep)) {
if (errno == ENOMEM)
enprintf(status, "realloc:");
else
enprintf(status, "read %s:", fname);
}
}
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