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Revision a6605d76cdad37ed3c55a7be4d2e0af0f4721bb2 authored by Junio C Hamano on 01 June 2011, 21:11:17 UTC, committed by Junio C Hamano on 01 June 2011, 21:11:17 UTC 
Sync with 1.7.5.4
 
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2 parent s 090a1a5 + e5af0de
Raw File
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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