diff options
Diffstat (limited to 'usr.sbin/pw/fileupd.c')
-rw-r--r-- | usr.sbin/pw/fileupd.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/usr.sbin/pw/fileupd.c b/usr.sbin/pw/fileupd.c new file mode 100644 index 0000000..7df4bb1 --- /dev/null +++ b/usr.sbin/pw/fileupd.c @@ -0,0 +1,68 @@ +/*- + * Copyright (C) 1996 + * David L. Nugent. 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 DAVID L. NUGENT 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 DAVID L. NUGENT 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. + */ + +#ifndef lint +static const char rcsid[] = + "$FreeBSD$"; +#endif /* not lint */ + +#include <stdio.h> +#include <fcntl.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/param.h> +#include <errno.h> +#include <unistd.h> + +#include "pwupd.h" + +int +extendline(char **buf, int * buflen, int needed) +{ + if (needed > *buflen) { + char *tmp = realloc(*buf, needed); + if (tmp == NULL) + return -1; + *buf = tmp; + *buflen = needed; + } + return *buflen; +} + +int +extendarray(char ***buf, int * buflen, int needed) +{ + if (needed > *buflen) { + char **tmp = realloc(*buf, needed * sizeof(char *)); + if (tmp == NULL) + return -1; + *buf = tmp; + *buflen = needed; + } + return *buflen; +} |