diff options
author | Jerry Jelinek <jerry.jelinek@joyent.com> | 2020-03-27 11:29:00 +0000 |
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committer | Jerry Jelinek <jerry.jelinek@joyent.com> | 2020-03-27 11:29:00 +0000 |
commit | 6dcfbbc68f881fbf5c20d25817a0221dfb135170 (patch) | |
tree | 40307666f6d7711499061d8c4be75029a6d851e9 /usr/src/lib/libc/port/stdio/ftello.c | |
parent | b0624b90ec9a0c04cca626925beee3ae403457ce (diff) | |
parent | cd62a92d4a964bfe61d35ba2301b69e65e22a509 (diff) | |
download | illumos-joyent-6dcfbbc68f881fbf5c20d25817a0221dfb135170.tar.gz |
[illumos-gate merge]
commit cd62a92d4a964bfe61d35ba2301b69e65e22a509
7092 Want support for stdio memory streams
12360 fwrite can loop forever on zero byte write
12392 ftello64 doesn't handle ungetc() correctly when unbuffered
commit 1470234269f4edea4cbf270cb2475e4988b788d5
12359 Want a means to set the umem mtbf at runtine
commit 0ac311bae7f6f50d9ba506b52bd8860f2d68d4ce
12358 Need mbrtowc variant that indicates consumed zero bytes
commit d726994754c938f91b6fd7e96b5cab3829615c58
12357 getc/putc_unlocked need to set orientation
Diffstat (limited to 'usr/src/lib/libc/port/stdio/ftello.c')
-rw-r--r-- | usr/src/lib/libc/port/stdio/ftello.c | 29 |
1 files changed, 2 insertions, 27 deletions
diff --git a/usr/src/lib/libc/port/stdio/ftello.c b/usr/src/lib/libc/port/stdio/ftello.c index 2eafdf1fef..cd43037ab1 100644 --- a/usr/src/lib/libc/port/stdio/ftello.c +++ b/usr/src/lib/libc/port/stdio/ftello.c @@ -25,9 +25,7 @@ */ /* Copyright (c) 1988 AT&T */ -/* All Rights Reserved */ - -#pragma ident "%Z%%M% %I% %E% SMI" +/* All Rights Reserved */ /* * Return file offset. @@ -60,30 +58,7 @@ off64_t ftello64(FILE *iop) { - ptrdiff_t adjust; - off64_t tres; - rmutex_t *lk; - - FLOCKFILE(lk, iop); - if (iop->_cnt < 0) - iop->_cnt = 0; - if (iop->_flag & _IOREAD) - adjust = (ptrdiff_t)-iop->_cnt; - else if (iop->_flag & (_IOWRT | _IORW)) { - adjust = 0; - if (((iop->_flag & (_IOWRT | _IONBF)) == _IOWRT) && - (iop->_base != 0)) - adjust = iop->_ptr - iop->_base; - } else { - errno = EBADF; /* file descriptor refers to no open file */ - FUNLOCKFILE(lk); - return ((off64_t)EOF); - } - tres = lseek64(FILENO(iop), 0, SEEK_CUR); - if (tres >= 0) - tres += (off64_t)adjust; - FUNLOCKFILE(lk); - return (tres); + return (ftell_common(iop)); } #endif /* _LP64 */ |