diff options
Diffstat (limited to 'newlib/libc/stdio/vsnprintf.c')
-rw-r--r-- | newlib/libc/stdio/vsnprintf.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/newlib/libc/stdio/vsnprintf.c b/newlib/libc/stdio/vsnprintf.c new file mode 100644 index 00000000000..18df5864aa6 --- /dev/null +++ b/newlib/libc/stdio/vsnprintf.c @@ -0,0 +1,73 @@ +/* doc in vfprintf.c */ + +/* This code created by modifying vsprintf.c so copyright inherited. */ + +/* + * 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. + */ + +#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 +vsnprintf (str, size, fmt, ap) + char *str; + size_t size; + char _CONST *fmt; + va_list ap; +{ + int ret; + FILE f; + + f._flags = __SWR | __SSTR; + f._bf._base = f._p = (unsigned char *) str; + f._bf._size = f._w = size; + f._data = _REENT; + ret = vfprintf (&f, fmt, ap); + *f._p = 0; + return ret; +} + +int +vsnprintf_r (ptr, str, size, fmt, ap) + struct _reent *ptr; + char *str; + size_t size; + char _CONST *fmt; + va_list ap; +{ + int ret; + FILE f; + + f._flags = __SWR | __SSTR; + f._bf._base = f._p = (unsigned char *) str; + f._bf._size = f._w = size; + f._data = ptr; + ret = vfprintf (&f, fmt, ap); + *f._p = 0; + return ret; +} |