OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

xvasprintf.c: New file.

Browse Source 
* xvasprintf.c: New file.
	* vprintf-support.h: Likewise.
	* vprintf-support.c: Likewise.
	* Makefile.in (CFILES): Add vprintf-support.c, xvasprintf.c.
	(REQUIRED_OFILES): Add vprintf-support.$(objext), xvasprintf.$(objext).
	(vprintf-support.$(objext), xvasprintf.$(objext)): New targets.
	(vasprintf.$(objext)): Depend on $(srcdir)/vprintf-support.h.
	* functions.texi: Regenerate.
	* vasprintf.c (int_vasprintf): Use libiberty_vprintf_buffer_size.

include/ChangeLog:

	* libiberty.h (xvasprintf): Declare.

libcpp/ChangeLog:

	* directives.c (cpp_define_formatted): Use xvasprintf.


Co-Authored-By: Ben Elliston <bje@au.ibm.com>
Co-Authored-By: Manuel López-Ibáñez <manu@gcc.gnu.org>

From-SVN: r218618
This commit is contained in:
Uros Bizjak 2014-12-11 09:15:37 +01:00 committed by Uros Bizjak
parent c168eab92c
commit 01ca36af91
11 changed files with 272 additions and 86 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
include/ChangeLog
View File

@ -1,3 +1,9 @@
2014-12-11 Uros Bizjak <ubizjak@gmail.com>
Ben Elliston <bje@au.ibm.com>
Manuel Lopez-Ibanez <manu@gcc.gnu.org>
* libiberty.h (xvasprintf): Declare.
2014-12-09 Trevor Saunders <tsaunders@mozilla.com>
* hashtab.h, splay-tree.h: Remove GTY markers.

5
include/libiberty.h
View File

@ -636,6 +636,11 @@ extern int asprintf (char **, const char *, ...) ATTRIBUTE_PRINTF_2;
extern int vasprintf (char **, const char *, va_list) ATTRIBUTE_PRINTF(2,0);
#endif
/* Like vasprintf but allocates memory without fail. This works like
xmalloc. */
extern char *xvasprintf (const char *, va_list) ATTRIBUTE_MALLOC ATTRIBUTE_PRINTF(1,0);
#if defined(HAVE_DECL_SNPRINTF) && !HAVE_DECL_SNPRINTF
/* Like sprintf but prints at most N characters. */
extern int snprintf (char *, size_t, const char *, ...) ATTRIBUTE_PRINTF_3;

4
libcpp/ChangeLog
View File

@ -1,3 +1,7 @@
2014-12-11 Uros Bizjak <ubizjak@gmail.com>
* directives.c (cpp_define_formatted): Use xvasprintf.
2014-12-05 Manuel López-Ibáñez <manu@gcc.gnu.org>
* line-map.c (linemap_position_for_loc_and_offset): Add new

4
libcpp/directives.c
View File

@ -2404,11 +2404,11 @@ cpp_define (cpp_reader *pfile, const char *str)
void
cpp_define_formatted (cpp_reader *pfile, const char *fmt, ...)
{
char *ptr = NULL;
char *ptr;
va_list ap;
va_start (ap, fmt);
vasprintf (&ptr, fmt, ap);
ptr = xvasprintf (fmt, ap);
va_end (ap);
cpp_define (pfile, ptr);

14
libiberty/ChangeLog
View File

@ -1,3 +1,17 @@
2014-12-11 Uros Bizjak <ubizjak@gmail.com>
Ben Elliston <bje@au.ibm.com>
Manuel Lopez-Ibanez <manu@gcc.gnu.org>
* xvasprintf.c: New file.
* vprintf-support.h: Likewise.
* vprintf-support.c: Likewise.
* Makefile.in (CFILES): Add vprintf-support.c, xvasprintf.c.
(REQUIRED_OFILES): Add vprintf-support.$(objext), xvasprintf.$(objext).
(vprintf-support.$(objext), xvasprintf.$(objext)): New targets.
(vasprintf.$(objext)): Depend on $(srcdir)/vprintf-support.h.
* functions.texi: Regenerate.
* vasprintf.c (int_vasprintf): Use libiberty_vprintf_buffer_size.
2014-11-22 John David Anglin <danglin@gcc.gnu.org>
PR other/63694

30
libiberty/Makefile.in
View File

@ -155,10 +155,11 @@ CFILES = alloca.c argv.c asprintf.c atexit.c \
strtoll.c strtoul.c strtoull.c strndup.c strnlen.c \
strverscmp.c timeval-utils.c tmpnam.c \
unlink-if-ordinary.c \
vasprintf.c vfork.c vfprintf.c vprintf.c vsnprintf.c vsprintf.c \
vasprintf.c vfork.c vfprintf.c vprintf.c vprintf-support.c \
vsnprintf.c vsprintf.c \
waitpid.c \
xatexit.c xexit.c xmalloc.c xmemdup.c xstrdup.c xstrerror.c \
xstrndup.c
xstrndup.c xvasprintf.c
# These are always included in the library. The first four are listed
# first and by compile time to optimize parallel builds.
@ -180,7 +181,7 @@ REQUIRED_OFILES = \
./obstack.$(objext) \
./partition.$(objext) ./pexecute.$(objext) ./physmem.$(objext) \
./pex-common.$(objext) ./pex-one.$(objext) \
./@pexecute@.$(objext) \
./@pexecute@.$(objext) ./vprintf-support.$(objext) \
./safe-ctype.$(objext) \
./simple-object.$(objext) ./simple-object-coff.$(objext) \
./simple-object-elf.$(objext) ./simple-object-mach-o.$(objext) \
@ -191,7 +192,7 @@ REQUIRED_OFILES = \
./timeval-utils.$(objext) ./unlink-if-ordinary.$(objext) \
./xatexit.$(objext) ./xexit.$(objext) ./xmalloc.$(objext) \
./xmemdup.$(objext) ./xstrdup.$(objext) ./xstrerror.$(objext) \
./xstrndup.$(objext)
./xstrndup.$(objext) ./xvasprintf.$(objext)
# These are all the objects that configure may add to the library via
# $funcs or EXTRA_OFILES. This list exists here only for "make
@ -1543,7 +1544,7 @@ $(CONFIGURED_OFILES): stamp-picdir stamp-noasandir
$(COMPILE.c) $(srcdir)/unlink-if-ordinary.c $(OUTPUT_OPTION)
./vasprintf.$(objext): $(srcdir)/vasprintf.c config.h $(INCDIR)/ansidecl.h \
$(INCDIR)/libiberty.h
$(INCDIR)/libiberty.h $(srcdir)/vprintf-support.h
if [ x"$(PICFLAG)" != x ]; then \
$(COMPILE.c) $(PICFLAG) $(srcdir)/vasprintf.c -o pic/$@; \
else true; fi
@ -1570,6 +1571,16 @@ $(CONFIGURED_OFILES): stamp-picdir stamp-noasandir
else true; fi
$(COMPILE.c) $(srcdir)/vfprintf.c $(OUTPUT_OPTION)
./vprintf-support.$(objext): $(srcdir)/vprintf-support.c config.h \
$(INCDIR)/ansidecl.h $(INCDIR)/libiberty.h
if [ x"$(PICFLAG)" != x ]; then \
$(COMPILE.c) $(PICFLAG) $(srcdir)/vprintf-support.c -o pic/$@; \
else true; fi
if [ x"$(NOASANFLAG)" != x ]; then \
$(COMPILE.c) $(PICFLAG) $(NOASANFLAG) $(srcdir)/vprintf-support.c -o noasan/$@; \
else true; fi
$(COMPILE.c) $(srcdir)/vprintf-support.c $(OUTPUT_OPTION)
./vprintf.$(objext): $(srcdir)/vprintf.c $(INCDIR)/ansidecl.h
if [ x"$(PICFLAG)" != x ]; then \
$(COMPILE.c) $(PICFLAG) $(srcdir)/vprintf.c -o pic/$@; \
@ -1677,3 +1688,12 @@ $(CONFIGURED_OFILES): stamp-picdir stamp-noasandir
else true; fi
$(COMPILE.c) $(srcdir)/xstrndup.c $(OUTPUT_OPTION)
./xvasprintf.$(objext): $(srcdir)/xvasprintf.c config.h $(INCDIR)/ansidecl.h \
$(INCDIR)/libiberty.h $(srcdir)/vprintf-support.h
if [ x"$(PICFLAG)" != x ]; then \
$(COMPILE.c) $(PICFLAG) $(srcdir)/xvasprintf.c -o pic/$@; \
else true; fi
if [ x"$(NOASANFLAG)" != x ]; then \
$(COMPILE.c) $(PICFLAG) $(NOASANFLAG) $(srcdir)/xvasprintf.c -o noasan/$@; \
else true; fi
$(COMPILE.c) $(srcdir)/xvasprintf.c $(OUTPUT_OPTION)

9
libiberty/functions.texi
View File

@ -2022,4 +2022,13 @@ always NUL terminated.
@end deftypefn
@c xvasprintf.c:38
@deftypefn Replacement char* xvasprintf (const char *@var{format}, va_list @var{args})
Print to allocated string without fail. If @code{xvasprintf} fails,
this will print a message to @code{stderr} (using the name set by
@code{xmalloc_set_program_name}, if any) and then call @code{xexit}.
@end deftypefn

84
libiberty/vasprintf.c
View File

@ -14,9 +14,9 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with libiberty; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
Boston, MA 02110-1301, USA. */
License along with libiberty; see the file COPYING.LIB. If not, write
to the Free Software Foundation, Inc., 51 Franklin Street - Fifth
Floor, Boston, MA 02110-1301, USA. */
#ifdef HAVE_CONFIG_H
#include "config.h"
@ -33,10 +33,10 @@ Boston, MA 02110-1301, USA. */
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#else
extern unsigned long strtoul ();
extern PTR malloc ();
#endif
#include "libiberty.h"
#include "vprintf-support.h"
#ifdef TEST
int global_total_width;
@ -64,81 +64,7 @@ static int int_vasprintf (char **, const char *, va_list);
static int
int_vasprintf (char **result, const char *format, va_list args)
{
const char *p = format;
/* Add one to make sure that it is never zero, which might cause malloc
to return NULL. */
int total_width = strlen (format) + 1;
va_list ap;
#ifdef va_copy
va_copy (ap, args);
#else
memcpy ((PTR) &ap, (PTR) &args, sizeof (va_list));
#endif
while (*p != '\0')
{
if (*p++ == '%')
{
while (strchr ("-+ #0", *p))
++p;
if (*p == '*')
{
++p;
total_width += abs (va_arg (ap, int));
}
else
total_width += strtoul (p, (char **) &p, 10);
if (*p == '.')
{
++p;
if (*p == '*')
{
++p;
total_width += abs (va_arg (ap, int));
}
else
total_width += strtoul (p, (char **) &p, 10);
}
while (strchr ("hlL", *p))
++p;
/* Should be big enough for any format specifier except %s and floats. */
total_width += 30;
switch (*p)
{
case 'd':
case 'i':
case 'o':
case 'u':
case 'x':
case 'X':
case 'c':
(void) va_arg (ap, int);
break;
case 'f':
case 'e':
case 'E':
case 'g':
case 'G':
(void) va_arg (ap, double);
/* Since an ieee double can have an exponent of 307, we'll
make the buffer wide enough to cover the gross case. */
total_width += 307;
break;
case 's':
total_width += strlen (va_arg (ap, char *));
break;
case 'p':
case 'n':
(void) va_arg (ap, char *);
break;
}
p++;
}
}
#ifdef va_copy
va_end (ap);
#endif
int total_width = libiberty_vprintf_buffer_size (format, args);
#ifdef TEST
global_total_width = total_width;
#endif

119
libiberty/vprintf-support.c Normal file
View File

@ -0,0 +1,119 @@
/* Estimate the length of the string generated by a vprintf-like
function. Used by vasprintf and xvasprintf.
Copyright (C) 1994, 2003, 2011, 2013, 2014 Free Software Foundation, Inc.
This file is part of the libiberty library.
Libiberty is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
Libiberty is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with libiberty; see the file COPYING.LIB. If not, write
to the Free Software Foundation, Inc., 51 Franklin Street - Fifth
Floor, Boston, MA 02110-1301, USA. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <ansidecl.h>
#include <stdarg.h>
#if !defined (va_copy) && defined (__va_copy)
# define va_copy(d,s) __va_copy((d),(s))
#endif
#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#else
extern unsigned long strtoul ();
#endif
#include "libiberty.h"
int
libiberty_vprintf_buffer_size (const char *format, va_list args)
{
const char *p = format;
/* Add one to make sure that it is never zero, which might cause malloc
to return NULL. */
int total_width = strlen (format) + 1;
va_list ap;
#ifdef va_copy
va_copy (ap, args);
#else
memcpy ((PTR) &ap, (PTR) &args, sizeof (va_list));
#endif
while (*p != '\0')
{
if (*p++ == '%')
{
while (strchr ("-+ #0", *p))
++p;
if (*p == '*')
{
++p;
total_width += abs (va_arg (ap, int));
}
else
total_width += strtoul (p, (char **) &p, 10);
if (*p == '.')
{
++p;
if (*p == '*')
{
++p;
total_width += abs (va_arg (ap, int));
}
else
total_width += strtoul (p, (char **) &p, 10);
}
while (strchr ("hlL", *p))
++p;
/* Should be big enough for any format specifier except %s and floats. */
total_width += 30;
switch (*p)
{
case 'd':
case 'i':
case 'o':
case 'u':
case 'x':
case 'X':
case 'c':
(void) va_arg (ap, int);
break;
case 'f':
case 'e':
case 'E':
case 'g':
case 'G':
(void) va_arg (ap, double);
/* Since an ieee double can have an exponent of 307, we'll
make the buffer wide enough to cover the gross case. */
total_width += 307;
break;
case 's':
total_width += strlen (va_arg (ap, char *));
break;
case 'p':
case 'n':
(void) va_arg (ap, char *);
break;
}
p++;
}
}
#ifdef va_copy
va_end (ap);
#endif
return total_width;
}

22
libiberty/vprintf-support.h Normal file
View File

@ -0,0 +1,22 @@
/* Estimate the length of the string generated by a vprintf-like
function. Use by vasprintf and xvasprintf.
Copyright (C) 1994, 2003, 2011, 2013, 2014 Free Software Foundation, Inc.
This file is part of the libiberty library.
Libiberty is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
Libiberty is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with libiberty; see the file COPYING.LIB. If not, write
to the Free Software Foundation, Inc., 51 Franklin Street - Fifth
Floor, Boston, MA 02110-1301, USA. */
extern int libiberty_vprintf_buffer_size (const char *, va_list);

61
libiberty/xvasprintf.c Normal file
View File

@ -0,0 +1,61 @@
/* Implement the xvasprintf function.
Copyright (C) 2014 Free Software Foundation, Inc.
Contributed by Manuel Lopez-Ibanez.
This file is part of the libiberty library.
Libiberty is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
Libiberty is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with libiberty; see the file COPYING.LIB. If not, write
to the Free Software Foundation, Inc., 51 Franklin Street - Fifth
Floor, Boston, MA 02110-1301, USA. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <ansidecl.h>
#include <stdarg.h>
#if !defined (va_copy) && defined (__va_copy)
# define va_copy(d,s) __va_copy((d),(s))
#endif
#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#include "libiberty.h"
#include "vprintf-support.h"
/*
@deftypefn Replacement char* xvasprintf (const char *@var{format}, va_list @var{args})
Print to allocated string without fail. If @code{xvasprintf} fails,
this will print a message to @code{stderr} (using the name set by
@code{xmalloc_set_program_name}, if any) and then call @code{xexit}.
@end deftypefn
*/
char *
xvasprintf (const char *format,
#if defined (_BSD_VA_LIST_) && defined (__FreeBSD__)
_BSD_VA_LIST_ args)
#else
va_list args)
#endif
{
char *result;
int total_width = libiberty_vprintf_buffer_size (format, args);
result = (char *) xmalloc (total_width);
vsprintf (result, format, args);
return result;
}