io-util.h: move iovec stuff from macro.h to io-util.h
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+38
-1
@@ -21,8 +21,9 @@
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <sys/types.h>
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#include <stdbool.h>
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#include <sys/types.h>
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#include <sys/uio.h>
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#include "time-util.h"
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@@ -37,3 +38,39 @@ int pipe_eof(int fd);
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int fd_wait_for_event(int fd, int event, usec_t timeout);
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ssize_t sparse_write(int fd, const void *p, size_t sz, size_t run_length);
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#define IOVEC_SET_STRING(i, s) \
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do { \
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struct iovec *_i = &(i); \
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char *_s = (char *)(s); \
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_i->iov_base = _s; \
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_i->iov_len = strlen(_s); \
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} while(false)
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static inline size_t IOVEC_TOTAL_SIZE(const struct iovec *i, unsigned n) {
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unsigned j;
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size_t r = 0;
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for (j = 0; j < n; j++)
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r += i[j].iov_len;
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return r;
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}
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static inline size_t IOVEC_INCREMENT(struct iovec *i, unsigned n, size_t k) {
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unsigned j;
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for (j = 0; j < n; j++) {
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size_t sub;
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if (_unlikely_(k <= 0))
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break;
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sub = MIN(i[j].iov_len, k);
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i[j].iov_len -= sub;
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i[j].iov_base = (uint8_t*) i[j].iov_base + sub;
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k -= sub;
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}
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return k;
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}
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@@ -33,6 +33,7 @@
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#include "fd-util.h"
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#include "formats-util.h"
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#include "io-util.h"
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#include "log.h"
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#include "macro.h"
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#include "missing.h"
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+2
-39
@@ -22,11 +22,10 @@
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***/
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#include <assert.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/uio.h>
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#include <inttypes.h>
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#include <stdbool.h>
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#include <sys/param.h>
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#include <sys/types.h>
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#define _printf_(a,b) __attribute__ ((format (printf, a, b)))
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#define _alloc_(...) __attribute__ ((alloc_size(__VA_ARGS__)))
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@@ -302,42 +301,6 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) {
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#define char_array_0(x) x[sizeof(x)-1] = 0;
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#define IOVEC_SET_STRING(i, s) \
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do { \
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struct iovec *_i = &(i); \
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char *_s = (char *)(s); \
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_i->iov_base = _s; \
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_i->iov_len = strlen(_s); \
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} while(false)
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static inline size_t IOVEC_TOTAL_SIZE(const struct iovec *i, unsigned n) {
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unsigned j;
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size_t r = 0;
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for (j = 0; j < n; j++)
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r += i[j].iov_len;
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return r;
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}
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static inline size_t IOVEC_INCREMENT(struct iovec *i, unsigned n, size_t k) {
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unsigned j;
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for (j = 0; j < n; j++) {
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size_t sub;
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if (_unlikely_(k <= 0))
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break;
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sub = MIN(i[j].iov_len, k);
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i[j].iov_len -= sub;
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i[j].iov_base = (uint8_t*) i[j].iov_base + sub;
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k -= sub;
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}
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return k;
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}
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#define VA_FORMAT_ADVANCE(format, ap) \
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do { \
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int _argtypes[128]; \
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