diff --git a/src/kernel/libroot/posix/stdio/Jamfile b/src/kernel/libroot/posix/stdio/Jamfile index 80271420df..ef581d4746 100644 --- a/src/kernel/libroot/posix/stdio/Jamfile +++ b/src/kernel/libroot/posix/stdio/Jamfile @@ -33,6 +33,7 @@ KernelMergeObject posix_stdio.o : <$(SOURCE_GRIST)>rewind.c <$(SOURCE_GRIST)>rget.c <$(SOURCE_GRIST)>scanf.c + <$(SOURCE_GRIST)>snprintf.c <$(SOURCE_GRIST)>sscanf.c <$(SOURCE_GRIST)>sprintf.c <$(SOURCE_GRIST)>stdio.c diff --git a/src/kernel/libroot/posix/stdio/snprintf.c b/src/kernel/libroot/posix/stdio/snprintf.c new file mode 100644 index 0000000000..1e2f10c85d --- /dev/null +++ b/src/kernel/libroot/posix/stdio/snprintf.c @@ -0,0 +1,61 @@ +/* + * Copyright (c) 1990, 1993 + * 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. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. 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. + */ + + +#include +#include + + +int +snprintf(char *buffer, size_t bufferSize, char const *format, ...) +{ + int ret; + va_list ap; + FILE f; + + f._file = -1; + f._flags = __SWR | __SSTR; + f._bf._base = f._p = (unsigned char *)buffer; + f._bf._size = f._w = bufferSize; + + va_start(ap, format); + ret = vfprintf(&f, format, ap); + va_end(ap); + + *f._p = '\0'; + return ret; +} +