| … | |
… | |
| 919 | */ |
919 | */ |
| 920 | { |
920 | { |
| 921 | off_t sbytes; |
921 | off_t sbytes; |
| 922 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
922 | res = sendfile (ifd, ofd, offset, count, 0, &sbytes, 0); |
| 923 | |
923 | |
|
|
924 | #if 0 /* according to the manpage, this is correct, but broken behaviour */ |
| 924 | /* freebsd' sendfile will return 0 when success */ |
925 | /* freebsd' sendfile will return 0 on success */ |
| 925 | if (res == 0 && sbytes) |
926 | /* freebsd 8 documents it as only setting *sbytes on EINTR and EAGAIN, but */ |
| 926 | /* maybe only on EAGAIN: as usual, the manpage leaves you guessing */ |
927 | /* not on e.g. EIO or EPIPE - sounds broken */ |
|
|
928 | if ((res < 0 && (errno == EAGAIN || errno == EINTR) && sbytes) || res == 0) |
|
|
929 | res = sbytes; |
|
|
930 | #endif |
|
|
931 | |
|
|
932 | /* according to source inspection, this is correct, and useful behaviour */ |
|
|
933 | if (sbytes) |
| 927 | res = sbytes; |
934 | res = sbytes; |
| 928 | } |
935 | } |
| 929 | |
936 | |
| 930 | # elif defined (__APPLE__) |
937 | # elif defined (__APPLE__) |
| 931 | |
938 | |
| 932 | { |
939 | { |
| 933 | off_t sbytes = count; |
940 | off_t sbytes = count; |
| 934 | res = sendfile (ifd, ofd, offset, &sbytes, 0, 0); |
941 | res = sendfile (ifd, ofd, offset, &sbytes, 0, 0); |
| 935 | |
942 | |
| 936 | if (res == 0 && errno == EAGAIN && sbytes) |
943 | /* according to the manpage, sbytes is always valid */ |
|
|
944 | if (sbytes) |
| 937 | res = sbytes; |
945 | res = sbytes; |
| 938 | } |
946 | } |
| 939 | |
947 | |
| 940 | # elif __hpux |
948 | # elif __hpux |
| 941 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
949 | res = sendfile (ofd, ifd, offset, count, 0, 0); |
