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authorJeff Johnston <jjohnstn@redhat.com>2007-03-15 18:40:48 +0000
committerJeff Johnston <jjohnstn@redhat.com>2007-03-15 18:40:48 +0000
commit14ba5e14d9226cb4dd1b2a72781ee02e9f2bf8a2 (patch)
tree2bd8d4251eebbf9db5443c0bba034650fb5c15ad /newlib/libc/stdio/makebuf.c
parente96d068ed3c85f138e368c399a728eb6e9a65751 (diff)
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2007-03-15 Eric Blake <ebb9@byu.net>
* libc/stdio/local.h (cantwrite, FREEUB, FREELB): Make reentrant. (__smakebuf): Rename... (__smakebuf_r): to this. * libc/stdio/fvwrite.h (__swsetup_r): Rename, from __swsetup. * libc/stdio/makebuf.c (__smakebuf): Detect failed asprint allocation, then rename... (__smakebuf_r): ...to this and fix reentrancy. * libc/stdio/wsetup.c (__swsetup): Detect failed asprintf allocation, then rename... (__swsetup_r): ...to this and fix reentrancy. * libc/stdio/fseek.c (_fseek_r): Fix reentrancy. * libc/stdio/refill.c (__srefill_r): Likewise. * libc/stdio/fclose.c (_fclose_r): Likewise. * libc/stdio/fread.c (_fread_r): Likewise. * libc/stdio/freopen.c (_freopen_r): Likewise. * libc/stdio/wbuf.c (__swbuf_r): Likewise. * libc/stdio64/fseeko64.c (_fseeko64_r): Likewise. * libc/stdio/fvwrite.c (__sfvwrite_r): Set errno properly on failed asprintf allocation, and fix reentrancy. * libc/stdio/snprintf.c (snprintf, _snprintf_r): Report overflow, as required by POSIX. * libc/stdio/sniprintf.c (sniprintf, _sniprintf_r): Likewise. * libc/stdio/vsnprintf.c (vsnprintf, _vsnprintf_r): Likewise. * libc/stdio/vsniprintf.c (vsniprintf, _vsniprintf_r): Likewise.
Diffstat (limited to 'newlib/libc/stdio/makebuf.c')
-rw-r--r--newlib/libc/stdio/makebuf.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/newlib/libc/stdio/makebuf.c b/newlib/libc/stdio/makebuf.c
index 9808cd5..340ea28 100644
--- a/newlib/libc/stdio/makebuf.c
+++ b/newlib/libc/stdio/makebuf.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 1990 The Regents of the University of California.
+ * Copyright (c) 1990, 2007 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
@@ -35,7 +35,8 @@
*/
_VOID
-_DEFUN(__smakebuf, (fp),
+_DEFUN(__smakebuf_r, (ptr, fp),
+ struct _reent *ptr _AND
register FILE *fp)
{
register size_t size, couldbetty;
@@ -49,9 +50,9 @@ _DEFUN(__smakebuf, (fp),
return;
}
#ifdef __USE_INTERNAL_STAT64
- if (fp->_file < 0 || _fstat64_r (_REENT, fp->_file, &st) < 0)
+ if (fp->_file < 0 || _fstat64_r (ptr, fp->_file, &st) < 0)
#else
- if (fp->_file < 0 || _fstat_r (_REENT, fp->_file, &st) < 0)
+ if (fp->_file < 0 || _fstat_r (ptr, fp->_file, &st) < 0)
#endif
{
couldbetty = 0;
@@ -87,15 +88,18 @@ _DEFUN(__smakebuf, (fp),
else
fp->_flags |= __SNPT;
}
- if ((p = _malloc_r (_REENT, size)) == NULL)
+ if ((p = _malloc_r (ptr, size)) == NULL)
{
- fp->_flags |= __SNBF;
- fp->_bf._base = fp->_p = fp->_nbuf;
- fp->_bf._size = 1;
+ if (!(fp->_flags & __SSTR))
+ {
+ fp->_flags |= __SNBF;
+ fp->_bf._base = fp->_p = fp->_nbuf;
+ fp->_bf._size = 1;
+ }
}
else
{
- _REENT->__cleanup = _cleanup_r;
+ ptr->__cleanup = _cleanup_r;
fp->_flags |= __SMBF;
fp->_bf._base = fp->_p = (unsigned char *) p;
fp->_bf._size = size;