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* libc/stdio/flags.c (__sflags): Rewrite recognition of extended mode flags to

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just loop over more allowed flags.  Support glibc 'e' flag on systems defining
_GLIBC_EXTENSION.  Support C11 'x' flag.
This commit is contained in:
Christopher Faylor 2012-08-21 14:51:50 +00:00
parent 0b1545eb3a
commit 03f6bb2863
2 changed files with 33 additions and 16 deletions
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6
newlib/ChangeLog
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@ -1,3 +1,9 @@
2012-08-21 Christopher Faylor <me.cygwin2012@cgf.cx>
* libc/stdio/flags.c (__sflags): Rewrite recognition of extended mode
flags to just loop over more allowed flags. Support glibc 'e' flag on
systems defining _GLIBC_EXTENSION. Support C11 'x' flag.
2012-08-10 Corinna Vinschen <vinschen@redhat.com>
* libc/stdlib/btowc.c (btowc): Cast to avoid compiler warning.

43
newlib/libc/stdio/flags.c
View File

@ -60,27 +60,38 @@ _DEFUN(__sflags, (ptr, mode, optr),
ptr->_errno = EINVAL;
return (0);
}
if (mode[1] && (mode[1] == '+' || mode[2] == '+'))
while (*++mode)
{
ret = (ret & ~(__SRD | __SWR)) | __SRW;
m = O_RDWR;
}
if (mode[1] && (mode[1] == 'b' || mode[2] == 'b'))
{
#ifdef O_BINARY
m |= O_BINARY;
#endif
}
switch (*mode)
{
case '+':
ret = (ret & ~(__SRD | __SWR)) | __SRW;
m = (m & ~O_ACCMODE) | O_RDWR;
break;
case 'b':
m |= O_BINARY;
break;
#ifdef __CYGWIN__
else if (mode[1] && (mode[1] == 't' || mode[2] == 't'))
#else
else
case 't':
m |= O_TEXT;
break;
#endif
{
#ifdef O_TEXT
m |= O_TEXT;
#if defined (O_CLOEXEC) && defined (_GLIBC_EXTENSION)
case 'e':
m |= O_CLOEXEC;
break;
#endif
case 'x':
m |= O_EXCL;
break;
default:
break;
}
}
#if defined (O_TEXT) && !defined (__CYGWIN__)
if (!(m | O_BINARY))
m |= O_TEXT;
#endif
*optr = m | o;
return ret;
}