diff options
Diffstat (limited to 'lib/libc/gen/getsubopt.c')
-rw-r--r-- | lib/libc/gen/getsubopt.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/lib/libc/gen/getsubopt.c b/lib/libc/gen/getsubopt.c deleted file mode 100644 index b5933ae3390..00000000000 --- a/lib/libc/gen/getsubopt.c +++ /dev/null @@ -1,100 +0,0 @@ -/*- - * Copyright (c) 1990 The Regents of the University of California. - * 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. - * 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. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: getsubopt.c,v 1.2 1996/08/19 08:24:06 tholo Exp $"; -#endif /* LIBC_SCCS and not lint */ - -#include <unistd.h> -#include <stdlib.h> -#include <string.h> - -/* - * The SVID interface to getsubopt provides no way of figuring out which - * part of the suboptions list wasn't matched. This makes error messages - * tricky... The extern variable suboptarg is a pointer to the token - * which didn't match. - */ -char *suboptarg; - -int -getsubopt(optionp, tokens, valuep) - register char **optionp, **valuep; - register char * const *tokens; -{ - register int cnt; - register char *p; - - suboptarg = *valuep = NULL; - - if (!optionp || !*optionp) - return(-1); - - /* skip leading white-space, commas */ - for (p = *optionp; *p && (*p == ',' || *p == ' ' || *p == '\t'); ++p); - - if (!*p) { - *optionp = p; - return(-1); - } - - /* save the start of the token, and skip the rest of the token. */ - for (suboptarg = p; - *++p && *p != ',' && *p != '=' && *p != ' ' && *p != '\t';); - - if (*p) { - /* - * If there's an equals sign, set the value pointer, and - * skip over the value part of the token. Terminate the - * token. - */ - if (*p == '=') { - *p = '\0'; - for (*valuep = ++p; - *p && *p != ',' && *p != ' ' && *p != '\t'; ++p); - if (*p) - *p++ = '\0'; - } else - *p++ = '\0'; - /* Skip any whitespace or commas after this token. */ - for (; *p && (*p == ',' || *p == ' ' || *p == '\t'); ++p); - } - - /* set optionp for next round. */ - *optionp = p; - - for (cnt = 0; *tokens; ++tokens, ++cnt) - if (!strcmp(suboptarg, *tokens)) - return(cnt); - return(-1); -} |