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authorjkh <jkh@FreeBSD.org>1995-05-27 10:39:04 +0000
committerjkh <jkh@FreeBSD.org>1995-05-27 10:39:04 +0000
commit7811628c58985af2ecaa6a0baacebcaafccc8cc1 (patch)
tree2dc8591ecc3dc95eecc8f13f3d80557cb62c0bcd /release/sysinstall/attr.c
parentdb93988ce5cddd1120fa52c242411d467c3d7a04 (diff)
downloadFreeBSD-src-7811628c58985af2ecaa6a0baacebcaafccc8cc1.zip
FreeBSD-src-7811628c58985af2ecaa6a0baacebcaafccc8cc1.tar.gz
Things were getting seriously hard to find. Do a quick reorg pass over
the code and split things into more logical groupings.
Diffstat (limited to 'release/sysinstall/attr.c')
-rw-r--r--release/sysinstall/attr.c167
1 files changed, 167 insertions, 0 deletions
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 <ctype.h>
+#include <sys/errno.h>
+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;
+}
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