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author | Jeff Johnston <jjohnstn@redhat.com> | 2002-07-04 18:56:17 +0000 |
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committer | Jeff Johnston <jjohnstn@redhat.com> | 2002-07-04 18:56:17 +0000 |
commit | 7501704dc9dc7337e621db87ada8901a496766d9 (patch) | |
tree | 8b0549b249b4f5fd48d0ee389d5db48beea55491 /newlib/libc/stdio/vasprintf.c | |
parent | 5cff62d6561dc63ef30b57d7ee415e6e1acdfb70 (diff) | |
download | newlib-7501704dc9dc7337e621db87ada8901a496766d9.zip newlib-7501704dc9dc7337e621db87ada8901a496766d9.tar.gz newlib-7501704dc9dc7337e621db87ada8901a496766d9.tar.bz2 |
2002-07-04 Jeff Johnston <jjohnstn@redhat.com>
* libc/stdio/Makefile.am: Add asprintf.c and vasprintf.c.
* libc/stdio/Makefile.in: Regenerated.
* libc/stdio/asprintf.c: New file.
* libc/stdio/vasprintf.c: Ditto.
* libc/stdio/fvwrite.c: Add code to dynamically reallocate
the buffer for asprintf support.
* libc/stdio/sprintf.c: Add asprintf documentation.
* libc/stdio/vfprintf.c: Add vasprintf documentation.
* libc/include/stdio.h: Add new prototypes.
Diffstat (limited to 'newlib/libc/stdio/vasprintf.c')
-rw-r--r-- | newlib/libc/stdio/vasprintf.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/newlib/libc/stdio/vasprintf.c b/newlib/libc/stdio/vasprintf.c new file mode 100644 index 0000000..7f35752 --- /dev/null +++ b/newlib/libc/stdio/vasprintf.c @@ -0,0 +1,74 @@ +/* doc in vfprintf.c */ + +/* + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that the above copyright notice and this paragraph are + * duplicated in all such forms and that any documentation, + * advertising materials, and other materials related to such + * distribution and use acknowledge that the software was developed + * by the University of California, Berkeley. The name of the + * University may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* This code was based on vsprintf.c */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "%W% (Berkeley) %G%"; +#endif /* LIBC_SCCS and not lint */ + +#include <_ansi.h> +#include <reent.h> +#include <stdio.h> +#include <limits.h> +#ifdef _HAVE_STDC +#include <stdarg.h> +#else +#include <varargs.h> +#endif + +int +_DEFUN (vasprintf, (strp, fmt, ap), + char **strp _AND + _CONST char *fmt _AND + va_list ap) +{ + int ret; + FILE f; + + f._flags = __SWR | __SSTR | __SMBF; + f._bf._base = f._p = NULL; + f._bf._size = f._w = 0; + f._data = _REENT; + ret = vfprintf (&f, fmt, ap); + *f._p = 0; + *strp = f._bf._base; + return ret; +} + +int +_DEFUN (_vasprintf_r, (ptr, strp, fmt, ap), + struct _reent *ptr _AND + char **strp _AND + _CONST char *fmt _AND + va_list ap) +{ + int ret; + FILE f; + + f._flags = __SWR | __SSTR | __SMBF ; + f._bf._base = f._p = NULL; + f._bf._size = f._w = 0; + f._data = ptr; + ret = _vfprintf_r (ptr, &f, fmt, ap); + *f._p = 0; + *strp = f._bf._base; + return ret; +} + |