Staging
v0.5.1
v0.5.1
Revision 1e8df762b38e01685f3aa3613e2d61f73346fcbe authored by Junio C Hamano on 13 December 2007, 01:48:21 UTC, committed by Junio C Hamano on 13 December 2007, 01:48:21 UTC
Signed-off-by: Junio C Hamano <gitster@pobox.com>
1 parent 467f42c
copy.c
#include "cache.h"
int copy_fd(int ifd, int ofd)
{
while (1) {
char buffer[8192];
char *buf = buffer;
ssize_t len = xread(ifd, buffer, sizeof(buffer));
if (!len)
break;
if (len < 0) {
int read_error;
read_error = errno;
close(ifd);
return error("copy-fd: read returned %s",
strerror(read_error));
}
while (len) {
int written = xwrite(ofd, buf, len);
if (written > 0) {
buf += written;
len -= written;
}
else if (!written) {
close(ifd);
return error("copy-fd: write returned 0");
} else {
close(ifd);
return error("copy-fd: write returned %s",
strerror(errno));
}
}
}
close(ifd);
return 0;
}
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