From 7811628c58985af2ecaa6a0baacebcaafccc8cc1 Mon Sep 17 00:00:00 2001 From: jkh Date: Sat, 27 May 1995 10:39:04 +0000 Subject: Things were getting seriously hard to find. Do a quick reorg pass over the code and split things into more logical groupings. --- release/sysinstall/attr.c | 167 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 167 insertions(+) create mode 100644 release/sysinstall/attr.c (limited to 'release/sysinstall/attr.c') diff --git a/release/sysinstall/attr.c b/release/sysinstall/attr.c new file mode 100644 index 0000000..cee86fb --- /dev/null +++ b/release/sysinstall/attr.c @@ -0,0 +1,167 @@ +/* + * The new sysinstall program. + * + * This is probably the last attempt in the `sysinstall' line, the next + * generation being slated to essentially a complete rewrite. + * + * $Id: media_strategy.c,v 1.28 1995/05/26 20:30:59 jkh Exp $ + * + * Copyright (c) 1995 + * Jordan Hubbard. All rights reserved. + * Copyright (c) 1995 + * Gary J Palmer. 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, + * verbatim and that no modifications are made prior to this + * point in the file. + * 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 Jordan Hubbard + * for the FreeBSD Project. + * 4. The name of Jordan Hubbard or the FreeBSD project may not be used to + * endorse or promote products derived from this software without specific + * prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``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 JORDAN HUBBARD OR HIS PETS 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, LIFE 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 "sysinstall.h" +#include +#include +static int num_attribs; + +int +attr_parse(Attribs **attr, char *file) +{ + char hold_n[MAX_NAME+1]; + char hold_v[MAX_VALUE+1]; + int n, v, ch = 0; + enum { LOOK, COMMENT, NAME, VALUE, COMMIT } state; + FILE *fp; + static int lno; + + num_attribs = n = v = lno = 0; + state = LOOK; + + if ((fp = fopen(file, "r")) == NULL) { + msgConfirm("Cannot open the information file `%s': %s (%d)", file, strerror(errno), errno); + return 0; + } + + while (state == COMMIT || (ch = fgetc(fp)) != EOF) { + /* Count lines */ + if (ch == '\n') + ++lno; + switch(state) { + case LOOK: + if (isspace(ch)) + continue; + /* Allow shell or lisp style comments */ + else if (ch == '#' || ch == ';') { + state = COMMENT; + continue; + } + else if (isalpha(ch)) { + hold_n[n++] = ch; + state = NAME; + } + else + msgFatal("Invalid character '%c' at line %d\n", ch, lno); + break; + + case COMMENT: + if (ch == '\n') + state = LOOK; + break; + + case NAME: + if (ch == '\n') { + hold_n[n] = '\0'; + hold_v[v = 0] = '\0'; + state = COMMIT; + } + else if (isspace(ch)) + continue; + else if (ch == '=') { + hold_n[n] = '\0'; + state = VALUE; + } + else + hold_n[n++] = ch; + break; + + case VALUE: + if (v == 0 && isspace(ch)) + continue; + else if (ch == '{') { + /* multiline value */ + while ((ch = fgetc(fp)) != '}') { + if (ch == EOF) + msgFatal("Unexpected EOF on line %d", lno); + else { + if (v == MAX_VALUE) + msgFatal("Value length overflow at line %d", lno); + hold_v[v++] = ch; + } + } + hold_v[v] = '\0'; + state = COMMIT; + } + else if (ch == '\n') { + hold_v[v] = '\0'; + state = COMMIT; + } + else { + if (v == MAX_VALUE) + msgFatal("Value length overflow at line %d", lno); + else + hold_v[v++] = ch; + } + break; + + case COMMIT: + (*attr)[num_attribs].name = strdup(hold_n); + (*attr)[num_attribs++].value = strdup(hold_v); + state = LOOK; + v = n = 0; + break; + + default: + msgFatal("Unknown state at line %d??\n", lno); + } + } + fclose(fp); + return 1; +} + +const char * +attr_match(Attribs *attr, char *name) +{ + int n = 0; + + while((strcasecmp(attr[n].name, name)!=0) && (n < num_attribs) && (n < 20)) + n++; + + if (strcasecmp(attr[n].name, name)==0) + return((const char *) attr[n].value); + + return NULL; +} -- cgit v1.1