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Implement funopen, fopencookie.

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* libc/include/sys/reent.h (struct __sFILE, struct __sFILE64):
Switch to reentrant callbacks.
* libc/include/stdio.h (funopen): Fix declaration.
(fopencookie): Declare.
* libc/stdio/local.h (__sread, __swrite, __sseek, __sclose)
(__sseek64, __swrite64): Fix prototypes.
[__SCLE]: Pull in setmode declaration.
* libc/stdio/stdio.c (__sread, __swrite, __sseek, __sclose): Fix
reentrancy.
* libc/stdio64/stdio64.c (__sseek64_r, __swrite64_r): Delete.
(__sseek64, __swrite64): Fix reentrancy.
* libc/stdio/fseek.c (_fseek_r): Account for overflow, and fix
reentrancy.
* libc/stdio/ftell.c (_ftell_r): Likewise.
* libc/stdio/flags.c (__sflags): Don't lose __SAPP on "a+".
* libc/stdio/fclose.c (_fclose_r): Fix reentrancy.
* libc/stdio/freopen.c (_freopen_r): Likewise.
* libc/stdio/fvwrite.c (__sfvwrite_r): Likewise.
* libc/stdio/refill.c (__srefill_r): Likewise.
* libc/stdio/siscanf.c (eofread): Likewise.
* libc/stdio/sscanf.c (eofread): Likewise.
* libc/stdio/vsiscanf.c (eofread1): Likewise.
* libc/stdio/vsscanf.c (eofread1): Likewise.
* libc/stdio64/freopen64.c (_freopen64_r): Likewise.
* libc/stdio64/fseeko64.c (_fseeko64_r): Likewise.
* libc/stdio64/ftello64.c (_ftello64_r): Likewise.
* libc/stdio/fflush.c (fflush): Improve reentrancy, although more
could be fixed.
* libc/stdio/fopencookie.c (_fopencookie_r, fopencookie): New file.
* libc/stdio/funopen.c (_funopen_r, funopen): New file.
* libc/stdio/Makefile.am (ELIX_4_SOURCES, CHEWOUT_FILES): Build
new files.
* libc/stdio/Makefile.in: Regenerate.
This commit is contained in:
Eric Blake
2007-06-04 18:10:17 +00:00
parent 6a3b4eb69a
commit 17c61d6a2c
25 changed files with 780 additions and 142 deletions
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10
newlib/libc/stdio64/fseeko64.c
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@ -104,7 +104,7 @@ _DEFUN (_fseeko64_r, (ptr, fp, offset, whence),
_off64_t offset _AND
int whence)
{
_fpos64_t _EXFUN ((*seekfn), (void *, _fpos64_t, int));
_fpos64_t _EXFUN ((*seekfn), (struct _reent *, void *, _fpos64_t, int));
_fpos64_t target, curoff;
size_t n;
@ -155,7 +155,7 @@ _DEFUN (_fseeko64_r, (ptr, fp, offset, whence),
curoff = fp->_offset;
else
{
curoff = (*seekfn) (fp->_cookie, (_fpos64_t) 0, SEEK_CUR);
curoff = seekfn (ptr, fp->_cookie, (_fpos64_t) 0, SEEK_CUR);
if (curoff == -1L)
{
_funlockfile(fp);
@ -238,7 +238,7 @@ _DEFUN (_fseeko64_r, (ptr, fp, offset, whence),
curoff = fp->_offset;
else
{
curoff = (*seekfn) (fp->_cookie, (_fpos64_t)0, SEEK_CUR);
curoff = seekfn (ptr, fp->_cookie, (_fpos64_t)0, SEEK_CUR);
if (curoff == POS_ERR)
goto dumb;
}
@ -299,7 +299,7 @@ _DEFUN (_fseeko64_r, (ptr, fp, offset, whence),
*/
curoff = target & ~((_fpos64_t)(fp->_blksize - 1));
if ((*seekfn) (fp->_cookie, curoff, SEEK_SET) == POS_ERR)
if (seekfn (ptr, fp->_cookie, curoff, SEEK_SET) == POS_ERR)
goto dumb;
fp->_r = 0;
fp->_p = fp->_bf._base;
@ -323,7 +323,7 @@ _DEFUN (_fseeko64_r, (ptr, fp, offset, whence),
*/
dumb:
if (fflush (fp) || (*seekfn) (fp->_cookie, offset, whence) == POS_ERR)
if (fflush (fp) || seekfn (ptr, fp->_cookie, offset, whence) == POS_ERR)
{
_funlockfile(fp);
return EOF;