swh:1:snp:6df5a50b8107b6bbe1e51d0239d816a7503c536a
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Tip revision: 15304344342b7c888f732d28f908890d874bcb0c authored by Junio C Hamano on 13 April 2022, 22:21:26 UTC
Git 2.32.2
Tip revision: 1530434
pread.c
#include "../git-compat-util.h"

ssize_t git_pread(int fd, void *buf, size_t count, off_t offset)
{
        off_t current_offset;
        ssize_t rc;

        current_offset = lseek(fd, 0, SEEK_CUR);

        if (lseek(fd, offset, SEEK_SET) < 0)
                return -1;

        rc = read_in_full(fd, buf, count);

        if (current_offset != lseek(fd, current_offset, SEEK_SET))
                return -1;
        return rc;
}
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