--- /dev/null
+/*
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Chris Torek.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * Copyright (c) 2012-2014 ARM Ltd
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the company may not be used to endorse or promote
+ * products derived from this software without specific prior written
+ * permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+FUNCTION
+<<vfprintf>>, <<vprintf>>, <<vsprintf>>, <<vsnprintf>>, <<vasprintf>>, <<vasnprintf>>---format argument list
+
+INDEX
+ vfprintf
+INDEX
+ _vfprintf_r
+INDEX
+ vprintf
+INDEX
+ _vprintf_r
+INDEX
+ vsprintf
+INDEX
+ _vsprintf_r
+INDEX
+ vsnprintf
+INDEX
+ _vsnprintf_r
+INDEX
+ vasprintf
+INDEX
+ _vasprintf_r
+INDEX
+ vasnprintf
+INDEX
+ _vasnprintf_r
+
+SYNOPSIS
+ #include <stdio.h>
+ #include <stdarg.h>
+ int vprintf(const char *<[fmt]>, va_list <[list]>);
+ int vfprintf(FILE *<[fp]>, const char *<[fmt]>, va_list <[list]>);
+ int vsprintf(char *<[str]>, const char *<[fmt]>, va_list <[list]>);
+ int vsnprintf(char *<[str]>, size_t <[size]>, const char *<[fmt]>,
+ va_list <[list]>);
+ int vasprintf(char **<[strp]>, const char *<[fmt]>, va_list <[list]>);
+ char *vasnprintf(char *<[str]>, size_t *<[size]>, const char *<[fmt]>,
+ va_list <[list]>);
+
+ int _vprintf_r(struct _reent *<[reent]>, const char *<[fmt]>,
+ va_list <[list]>);
+ int _vfprintf_r(struct _reent *<[reent]>, FILE *<[fp]>,
+ const char *<[fmt]>, va_list <[list]>);
+ int _vsprintf_r(struct _reent *<[reent]>, char *<[str]>,
+ const char *<[fmt]>, va_list <[list]>);
+ int _vasprintf_r(struct _reent *<[reent]>, char **<[str]>,
+ const char *<[fmt]>, va_list <[list]>);
+ int _vsnprintf_r(struct _reent *<[reent]>, char *<[str]>,
+ size_t <[size]>, const char *<[fmt]>, va_list <[list]>);
+ char *_vasnprintf_r(struct _reent *<[reent]>, char *<[str]>,
+ size_t *<[size]>, const char *<[fmt]>, va_list <[list]>);
+
+DESCRIPTION
+<<vprintf>>, <<vfprintf>>, <<vasprintf>>, <<vsprintf>>, <<vsnprintf>>,
+and <<vasnprintf>> are (respectively) variants of <<printf>>,
+<<fprintf>>, <<asprintf>>, <<sprintf>>, <<snprintf>>, and
+<<asnprintf>>. They differ only in allowing their caller to pass the
+variable argument list as a <<va_list>> object (initialized by
+<<va_start>>) rather than directly accepting a variable number of
+arguments. The caller is responsible for calling <<va_end>>.
+
+<<_vprintf_r>>, <<_vfprintf_r>>, <<_vasprintf_r>>, <<_vsprintf_r>>,
+<<_vsnprintf_r>>, and <<_vasnprintf_r>> are reentrant versions of the
+above.
+
+RETURNS
+The return values are consistent with the corresponding functions.
+
+PORTABILITY
+ANSI C requires <<vprintf>>, <<vfprintf>>, <<vsprintf>>, and
+<<vsnprintf>>. The remaining functions are newlib extensions.
+
+Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>,
+<<lseek>>, <<read>>, <<sbrk>>, <<write>>.
+*/
+
+#if defined(LIBC_SCCS) && !defined(lint)
+/*static char *sccsid = "from: @(#)vfprintf.c 5.50 (Berkeley) 12/16/92";*/
+static char *rcsid = "$Id$";
+#endif /* LIBC_SCCS and not lint */
+
+/* Actual printf innards.
+ This code is large and complicated... */
+#include <newlib.h>
+
+#define VFPRINTF vfprintf
+#ifdef STRING_ONLY
+# define _VFPRINTF_R _svfprintf_r
+#else
+# define _VFPRINTF_R _vfprintf_r
+#endif
+
+#include <_ansi.h>
+#include <reent.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <limits.h>
+#include <stdint.h>
+#include <wchar.h>
+#include <sys/lock.h>
+#include <stdarg.h>
+#include "local.h"
+#include "../stdlib/local.h"
+#include "fvwrite.h"
+#include "vfieeefp.h"
+#include "nano-vfprintf_local.h"
+
+/* The __ssputs_r function is shared between all versions of vfprintf
+ and vfwprintf. */
+#ifdef STRING_ONLY
+int
+__ssputs_r (struct _reent *ptr,
+ FILE *fp,
+ const char *buf,
+ size_t len)
+{
+ register int w;
+
+ w = fp->_w;
+ if (len >= w && fp->_flags & (__SMBF | __SOPT))
+ {
+ /* Must be asprintf family. */
+ unsigned char *str;
+ int curpos = (fp->_p - fp->_bf._base);
+ /* Choose a geometric growth factor to avoid
+ * quadratic realloc behavior, but use a rate less
+ * than (1+sqrt(5))/2 to accomodate malloc
+ * overhead. asprintf EXPECTS us to overallocate, so
+ * that it can add a trailing \0 without
+ * reallocating. The new allocation should thus be
+ * max(prev_size*1.5, curpos+len+1). */
+ int newsize = fp->_bf._size * 3 / 2;
+ if (newsize < curpos + len + 1)
+ newsize = curpos + len + 1;
+ if (fp->_flags & __SOPT)
+ {
+ /* asnprintf leaves original buffer alone. */
+ str = (unsigned char *)_malloc_r (ptr, newsize);
+ if (!str)
+ {
+ ptr->_errno = ENOMEM;
+ goto err;
+ }
+ memcpy (str, fp->_bf._base, curpos);
+ fp->_flags = (fp->_flags & ~__SOPT) | __SMBF;
+ }
+ else
+ {
+ str = (unsigned char *)_realloc_r (ptr, fp->_bf._base, newsize);
+ if (!str)
+ {
+ /* Free unneeded buffer. */
+ _free_r (ptr, fp->_bf._base);
+ /* Ensure correct errno, even if free changed it. */
+ ptr->_errno = ENOMEM;
+ goto err;
+ }
+ }
+ fp->_bf._base = str;
+ fp->_p = str + curpos;
+ fp->_bf._size = newsize;
+ w = len;
+ fp->_w = newsize - curpos;
+ }
+ if (len < w)
+ w = len;
+
+ (void)memmove ((void *) fp->_p, (void *) buf, (size_t) (w));
+ fp->_w -= w;
+ fp->_p += w;
+ return 0;
+
+err:
+ fp->_flags |= __SERR;
+ return EOF;
+}
+/* __ssprint_r is the original implementation of __SPRINT. In nano
+ version formatted IO it is reimplemented as __ssputs_r for non-wide
+ char output, but __ssprint_r cannot be discarded because it is used
+ by a serial of functions like svfwprintf for wide char output. */
+int
+__ssprint_r (struct _reent *ptr,
+ FILE *fp,
+ register struct __suio *uio)
+{
+ register size_t len;
+ register int w;
+ register struct __siov *iov;
+ register const char *p = NULL;
+
+ iov = uio->uio_iov;
+ len = 0;
+
+ if (uio->uio_resid == 0)
+ {
+ uio->uio_iovcnt = 0;
+ return (0);
+ }
+
+ do
+ {
+ while (len == 0)
+ {
+ p = iov->iov_base;
+ len = iov->iov_len;
+ iov++;
+ }
+ w = fp->_w;
+ if (len >= w && fp->_flags & (__SMBF | __SOPT))
+ {
+ /* Must be asprintf family. */
+ unsigned char *str;
+ int curpos = (fp->_p - fp->_bf._base);
+ /* Choose a geometric growth factor to avoid
+ * quadratic realloc behavior, but use a rate less
+ * than (1+sqrt(5))/2 to accomodate malloc
+ * overhead. asprintf EXPECTS us to overallocate, so
+ * that it can add a trailing \0 without
+ * reallocating. The new allocation should thus be
+ * max(prev_size*1.5, curpos+len+1). */
+ int newsize = fp->_bf._size * 3 / 2;
+ if (newsize < curpos + len + 1)
+ newsize = curpos + len + 1;
+
+ if (fp->_flags & __SOPT)
+ {
+ /* asnprintf leaves original buffer alone. */
+ str = (unsigned char *)_malloc_r (ptr, newsize);
+ if (!str)
+ {
+ ptr->_errno = ENOMEM;
+ goto err;
+ }
+ memcpy (str, fp->_bf._base, curpos);
+ fp->_flags = (fp->_flags & ~__SOPT) | __SMBF;
+ }
+ else
+ {
+ str = (unsigned char *)_realloc_r (ptr, fp->_bf._base,
+ newsize);
+ if (!str)
+ {
+ /* Free unneeded buffer. */
+ _free_r (ptr, fp->_bf._base);
+ /* Ensure correct errno, even if free changed it. */
+ ptr->_errno = ENOMEM;
+ goto err;
+ }
+ }
+ fp->_bf._base = str;
+ fp->_p = str + curpos;
+ fp->_bf._size = newsize;
+ w = len;
+ fp->_w = newsize - curpos;
+ }
+ if (len < w)
+ w = len;
+
+ (void)memmove ((void *) fp->_p, (void *) p, (size_t) (w));
+ fp->_w -= w;
+ fp->_p += w;
+ /* Pretend we copied all. */
+ w = len;
+ p += w;
+ len -= w;
+ }
+ while ((uio->uio_resid -= w) != 0);
+
+ uio->uio_resid = 0;
+ uio->uio_iovcnt = 0;
+ return 0;
+
+err:
+ fp->_flags |= __SERR;
+ uio->uio_resid = 0;
+ uio->uio_iovcnt = 0;
+ return EOF;
+}
+#else
+/* As __ssputs_r, __sprint_r is used by output functions for wide char,
+ like vfwprint. */
+/* Flush out all the vectors defined by the given uio,
+ then reset it so that it can be reused. */
+int
+__sprint_r (struct _reent *ptr,
+ FILE *fp,
+ register struct __suio *uio)
+{
+ register int err = 0;
+
+ if (uio->uio_resid == 0)
+ {
+ uio->uio_iovcnt = 0;
+ return 0;
+ }
+#ifdef _WIDE_ORIENT
+ if (fp->_flags2 & __SWID)
+ {
+ struct __siov *iov;
+ wchar_t *p;
+ int i, len;
+
+ iov = uio->uio_iov;
+ for (; uio->uio_resid != 0;
+ uio->uio_resid -= len * sizeof (wchar_t), iov++)
+ {
+ p = (wchar_t *) iov->iov_base;
+ len = iov->iov_len / sizeof (wchar_t);
+ for (i = 0; i < len; i++)
+ {
+ if (_fputwc_r (ptr, p[i], fp) == WEOF)
+ {
+ err = -1;
+ goto out;
+ }
+ }
+ }
+ }
+ else
+#endif
+ err = __sfvwrite_r(ptr, fp, uio);
+out:
+ uio->uio_resid = 0;
+ uio->uio_iovcnt = 0;
+ return err;
+}
+
+_NOINLINE_STATIC int
+__sfputc_r (struct _reent *ptr,
+ int c,
+ FILE *fp)
+{
+ if (--fp->_w >= 0 || (fp->_w >= fp->_lbfsize && (char)c != '\n'))
+ return (*fp->_p++ = c);
+ else
+ return (__swbuf_r(ptr, c, fp));
+}
+
+int
+__sfputs_r (struct _reent *ptr,
+ FILE *fp,
+ const char *buf,
+ size_t len)
+{
+ register int i;
+
+#ifdef _WIDE_ORIENT
+ if (fp->_flags2 & __SWID)
+ {
+ wchar_t *p;
+
+ p = (wchar_t *) buf;
+ for (i = 0; i < (len / sizeof (wchar_t)); i++)
+ {
+ if (_fputwc_r (ptr, p[i], fp) == WEOF)
+ return -1;
+ }
+ }
+ else
+#endif
+ {
+ for (i = 0; i < len; i++)
+ {
+ /* Call __sfputc_r to skip _fputc_r. */
+ if (__sfputc_r (ptr, (int)buf[i], fp) == EOF)
+ return -1;
+ }
+ }
+ return (0);
+}
+#endif /* STRING_ONLY. */
+
+int _VFPRINTF_R (struct _reent *, FILE *, const char *, va_list);
+
+#ifndef STRING_ONLY
+int
+VFPRINTF (FILE * fp,
+ const char *fmt0,
+ va_list ap)
+{
+ int result;
+ result = _VFPRINTF_R (_REENT, fp, fmt0, ap);
+ return result;
+}
+
+int
+vfiprintf (FILE *, const char *, __VALIST)
+ _ATTRIBUTE ((__alias__("vfprintf")));
+#endif
+
+#ifdef STRING_ONLY
+# define __SPRINT __ssputs_r
+#else
+# define __SPRINT __sfputs_r
+#endif
+
+/* Do not need FLUSH for all sprintf functions. */
+#ifdef STRING_ONLY
+# define FLUSH()
+#else
+# define FLUSH()
+#endif
+
+int
+_VFPRINTF_R (struct _reent *data,
+ FILE * fp,
+ const char *fmt0,
+ va_list ap)
+{
+ register char *fmt; /* Format string. */
+ register int n, m; /* Handy integers (short term usage). */
+ register char *cp; /* Handy char pointer (short term usage). */
+ const char *flag_chars;
+ struct _prt_data_t prt_data; /* All data for decoding format string. */
+ va_list ap_copy;
+
+ /* Output function pointer. */
+ int (*pfunc)(struct _reent *, FILE *, const char *, size_t len);
+
+ pfunc = __SPRINT;
+
+#ifndef STRING_ONLY
+ /* Initialize std streams if not dealing with sprintf family. */
+ CHECK_INIT (data, fp);
+ _newlib_flockfile_start (fp);
+
+ /* Sorry, fprintf(read_only_file, "") returns EOF, not 0. */
+ if (cantwrite (data, fp))
+ {
+ _newlib_flockfile_exit (fp);
+ return (EOF);
+ }
+
+#else
+ /* Create initial buffer if we are called by asprintf family. */
+ if (fp->_flags & __SMBF && !fp->_bf._base)
+ {
+ fp->_bf._base = fp->_p = _malloc_r (data, 64);
+ if (!fp->_p)
+ {
+ data->_errno = ENOMEM;
+ return EOF;
+ }
+ fp->_bf._size = 64;
+ }
+#endif
+
+ fmt = (char *)fmt0;
+ prt_data.ret = 0;
+ prt_data.blank = ' ';
+ prt_data.zero = '0';
+
+ /* GCC PR 14577 at https://gcc.gnu.org/bugzilla/show_bug.cgi?id=14557 */
+ va_copy (ap_copy, ap);
+
+ /* Scan the format for conversions (`%' character). */
+ for (;;)
+ {
+ cp = fmt;
+ while (*fmt != '\0' && *fmt != '%')
+ fmt += 1;
+
+ if ((m = fmt - cp) != 0)
+ {
+ PRINT (cp, m);
+ prt_data.ret += m;
+ }
+ if (*fmt == '\0')
+ goto done;
+
+ fmt++; /* Skip over '%'. */
+
+ prt_data.flags = 0;
+ prt_data.width = 0;
+ prt_data.prec = -1;
+ prt_data.dprec = 0;
+ prt_data.l_buf[0] = '\0';
+#ifdef FLOATING_POINT
+ prt_data.lead = 0;
+#endif
+ /* The flags. */
+ /*
+ * ``Note that 0 is taken as a flag, not as the
+ * beginning of a field width.''
+ * -- ANSI X3J11
+ */
+ flag_chars = "#-0+ ";
+ for (; cp = memchr (flag_chars, *fmt, 5); fmt++)
+ prt_data.flags |= (1 << (cp - flag_chars));
+
+ if (prt_data.flags & SPACESGN)
+ prt_data.l_buf[0] = ' ';
+
+ /*
+ * ``If the space and + flags both appear, the space
+ * flag will be ignored.''
+ * -- ANSI X3J11
+ */
+ if (prt_data.flags & PLUSSGN)
+ prt_data.l_buf[0] = '+';
+
+ /* The width. */
+ if (*fmt == '*')
+ {
+ /*
+ * ``A negative field width argument is taken as a
+ * - flag followed by a positive field width.''
+ * -- ANSI X3J11
+ * They don't exclude field widths read from args.
+ */
+ prt_data.width = GET_ARG (n, ap_copy, int);
+ if (prt_data.width < 0)
+ {
+ prt_data.width = -prt_data.width;
+ prt_data.flags |= LADJUST;
+ }
+ fmt++;
+ }
+ else
+ {
+ for (; is_digit (*fmt); fmt++)
+ prt_data.width = 10 * prt_data.width + to_digit (*fmt);
+ }
+
+ /* The precision. */
+ if (*fmt == '.')
+ {
+ fmt++;
+ if (*fmt == '*')
+ {
+ fmt++;
+ prt_data.prec = GET_ARG (n, ap_copy, int);
+ if (prt_data.prec < 0)
+ prt_data.prec = -1;
+ }
+ else
+ {
+ prt_data.prec = 0;
+ for (; is_digit (*fmt); fmt++)
+ prt_data.prec = 10 * prt_data.prec + to_digit (*fmt);
+ }
+ }
+
+ /* The length modifiers. */
+ flag_chars = "hlL";
+ if ((cp = memchr (flag_chars, *fmt, 3)) != NULL)
+ {
+ prt_data.flags |= (SHORTINT << (cp - flag_chars));
+ fmt++;
+ }
+
+ /* The conversion specifiers. */
+ prt_data.code = *fmt++;
+ cp = memchr ("efgEFG", prt_data.code, 6);
+#ifdef FLOATING_POINT
+ /* If cp is not NULL, we are facing FLOATING POINT NUMBER. */
+ if (cp)
+ {
+ /* Consume floating point argument if _printf_float is not
+ linked. */
+ if (_printf_float == NULL)
+ {
+ if (prt_data.flags & LONGDBL)
+ GET_ARG (N, ap_copy, _LONG_DOUBLE);
+ else
+ GET_ARG (N, ap_copy, double);
+ }
+ else
+ n = _printf_float (data, &prt_data, fp, pfunc, &ap_copy);
+ }
+ else
+#endif
+ n = _printf_i (data, &prt_data, fp, pfunc, &ap_copy);
+
+ if (n == -1)
+ goto error;
+
+ prt_data.ret += n;
+ }
+done:
+ FLUSH ();
+error:
+#ifndef STRING_ONLY
+ _newlib_flockfile_end (fp);
+#endif
+ va_end (ap_copy);
+ return (__sferror (fp) ? EOF : prt_data.ret);
+}
+
+#ifdef STRING_ONLY
+int
+_svfiprintf_r (struct _reent *, FILE *, const char *, __VALIST)
+ _ATTRIBUTE ((__alias__("_svfprintf_r")));
+#else
+int
+_vfiprintf_r (struct _reent *, FILE *, const char *, __VALIST)
+ _ATTRIBUTE ((__alias__("_vfprintf_r")));
+#endif
git://sourceware.org / newlib-cygwin.git / commitdiff