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iovec-util: add helper for a single NUL byte iovec

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This commit is contained in:
Lennart Poettering 2024-01-05 16:32:43 +01:00
parent e09c255d2e
commit 045f7b8fe4
1 changed files with 6 additions and 0 deletions
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6
src/basic/iovec-util.h
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@ -8,6 +8,12 @@
#include "alloc-util.h"
#include "macro.h"
/* An iovec pointing to a single NUL byte */
#define IOVEC_NUL_BYTE (const struct iovec) { \
.iov_base = (void*) (const uint8_t[1]) { 0 }, \
.iov_len = 1, \
}
size_t iovec_total_size(const struct iovec *iovec, size_t n);
bool iovec_increment(struct iovec *iovec, size_t n, size_t k);