2004-09-16 Antony King <antony.king@st.com>
* libc/include/sys/lock.h: Replaced empty {} with (0) to conform with locking API. * libc/include/sys/stdio.h: (_flockfile)[!_SINGLE_THREAD]: Add check for__SSTR in _flags and if set, skip lock request. (_funlockfile)[!SINGLE_THREAD]: Ditto. * libc/stdio/local.h (CHECK_INIT): Added check that _REENT is not NULL. * libc/stdio/siprintf.c (siprintf, _siprintf_r): Added missing initialisation of _file to -1 in local FILE. * libc/stdio/snprintf.c (snprintf, _snprintf_r): Ditto. * libc/stdio/sscanf.c (sscanf, _sscanf_r): Ditto. * libc/stdio/vsnprintf.c (vsnprintf, _vsnprintf_r): Ditto. * libc/stdio/vsscanf.c (_vsscanf_r): Ditto. * libc/stdio/sscanf.c (sscanf, _sscanf_r): Added __SSTR flag to _flags in local FILE to prevent locking. * libc/stdio/vsscanf.c (_vsscanf_r): Ditto.
This commit is contained in:
@ -48,11 +48,11 @@ extern int _EXFUN(__srefill,(FILE *fp));
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/* Called by the main entry point fns to ensure stdio has been initialized. */
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#define CHECK_INIT(fp) \
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do \
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{ \
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if (!_REENT->__sdidinit) \
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__sinit (_REENT); \
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} \
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do \
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{ \
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if (_REENT && !_REENT->__sdidinit) \
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__sinit (_REENT); \
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} \
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while (0)
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/* Return true iff the given FILE cannot be written now. */
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@ -85,6 +85,7 @@ siprintf(str, fmt, va_alist)
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f._flags = __SWR | __SSTR;
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f._bf._base = f._p = (unsigned char *) str;
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f._bf._size = f._w = INT_MAX;
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f._file = -1; /* No file. */
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#ifdef _HAVE_STDC
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va_start (ap, fmt);
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#else
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@ -119,6 +120,7 @@ _siprintf_r(rptr, str, fmt, va_alist)
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f._flags = __SWR | __SSTR;
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f._bf._base = f._p = (unsigned char *) str;
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f._bf._size = f._w = INT_MAX;
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f._file = -1; /* No file. */
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#ifdef _HAVE_STDC
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va_start (ap, fmt);
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#else
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@ -51,6 +51,7 @@ _snprintf_r(ptr, str, size, fmt, va_alist)
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f._flags = __SWR | __SSTR;
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f._bf._base = f._p = (unsigned char *) str;
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f._bf._size = f._w = (size > 0 ? size - 1 : 0);
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f._file = -1; /* No file. */
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#ifdef _HAVE_STDC
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va_start (ap, fmt);
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#else
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@ -86,6 +87,7 @@ snprintf(str, size, fmt, va_alist)
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f._flags = __SWR | __SSTR;
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f._bf._base = f._p = (unsigned char *) str;
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f._bf._size = f._w = (size > 0 ? size - 1 : 0);
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f._file = -1; /* No file. */
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#ifdef _HAVE_STDC
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va_start (ap, fmt);
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#else
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@ -402,12 +402,13 @@ sscanf(str, fmt, va_alist)
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va_list ap;
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FILE f;
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f._flags = __SRD;
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f._flags = __SRD | __SSTR;
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f._bf._base = f._p = (unsigned char *) str;
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f._bf._size = f._r = strlen (str);
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f._read = eofread;
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f._ub._base = NULL;
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f._lb._base = NULL;
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f._file = -1; /* No file. */
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#ifdef _HAVE_STDC
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va_start (ap, fmt);
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#else
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@ -439,12 +440,13 @@ _sscanf_r(ptr, str, fmt, va_alist)
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va_list ap;
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FILE f;
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f._flags = __SRD;
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f._flags = __SRD | __SSTR;
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f._bf._base = f._p = (unsigned char *) str;
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f._bf._size = f._r = strlen (str);
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f._read = eofread;
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f._ub._base = NULL;
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f._lb._base = NULL;
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f._file = -1; /* No file. */
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#ifdef _HAVE_STDC
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va_start (ap, fmt);
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#else
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@ -45,6 +45,7 @@ _DEFUN(vsnprintf, (str, size, fmt, ap),
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f._flags = __SWR | __SSTR;
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f._bf._base = f._p = (unsigned char *) str;
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f._bf._size = f._w = (size > 0 ? size - 1 : 0);
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f._file = -1; /* No file. */
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ret = _vfprintf_r (_REENT, &f, fmt, ap);
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if (size > 0)
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*f._p = 0;
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@ -67,6 +68,7 @@ _DEFUN(_vsnprintf_r, (ptr, str, size, fmt, ap),
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f._flags = __SWR | __SSTR;
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f._bf._base = f._p = (unsigned char *) str;
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f._bf._size = f._w = (size > 0 ? size - 1 : 0);
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f._file = -1; /* No file. */
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ret = _vfprintf_r (ptr, &f, fmt, ap);
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if (size > 0)
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*f._p = 0;
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@ -63,12 +63,12 @@ _DEFUN(_vsscanf_r, (ptr, str, fmt, ap),
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{
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FILE f;
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f._flags = __SRD;
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f._flags = __SRD | __SSTR;
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f._bf._base = f._p = (unsigned char *) str;
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f._bf._size = f._r = strlen (str);
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f._read = eofread1;
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f._ub._base = NULL;
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f._lb._base = NULL;
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return __svfscanf_r (ptr, &f, fmt, ap);
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f._file = -1; /* No file. */
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return __svfscanf_r (ptr, &f, fmt, ap);
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}
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