diff options
Diffstat (limited to 'sys/boot/common/misc.c')
-rw-r--r-- | sys/boot/common/misc.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/sys/boot/common/misc.c b/sys/boot/common/misc.c new file mode 100644 index 0000000..98ec3de --- /dev/null +++ b/sys/boot/common/misc.c @@ -0,0 +1,55 @@ +/*- + * Copyright (c) 1998 Michael Smith <msmith@freebsd.org> + * 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. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. + * + * $Id$ + */ + +#include <string.h> +#include <stand.h> + +/* + * Concatenate the (argc) elements of (argv) into a single string, and return + * a copy of same. + */ +char * +unargv(int argc, char *argv[]) +{ + size_t hlong; + int i; + char *cp; + + for (hlong = 0, i = 0, hlong = 0; i < argc; i++) + hlong += strlen(argv[i]) + 1; + + if(hlong == 0) + return(NULL); + + cp = malloc(hlong); + cp[0] = 0; + for (i = 0; i < argc; i++) + strcat(cp, argv[i]); + return(cp); +} + |