-/* Handling and parsing of silo.conf
-
- Copyright (C) 1995 Werner Almesberger
- 1996 Jakub Jelinek
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+/*
+ * cfg.c - Handling and parsing of yaboot.conf
+ *
+ * Copyright (C) 1995 Werner Almesberger
+ * 1996 Jakub Jelinek
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
#include "setjmp.h"
#include "stdarg.h"
/* Imported functions */
extern int strcasecmp(const char *s1, const char *s2);
+extern int strncasecmp(const char *cs, const char *ct, size_t n);
+extern char bootoncelabel[1024];
typedef enum {
- cft_strg, cft_flag, cft_end
+ cft_strg, cft_flag, cft_end
} CONFIG_TYPE;
typedef struct {
- CONFIG_TYPE type;
- char *name;
- void *data;
+ CONFIG_TYPE type;
+ char *name;
+ void *data;
} CONFIG;
-#define MAX_TOKEN 200
+#define MAX_TOKEN 511
#define MAX_VAR_NAME MAX_TOKEN
#define EOF -1
CONFIG cf_options[] =
{
- {cft_strg, "device", NULL},
- {cft_strg, "partition", NULL},
- {cft_strg, "default", NULL},
- {cft_strg, "timeout", NULL},
- {cft_strg, "password", NULL},
- {cft_flag, "restricted", NULL},
- {cft_strg, "message", NULL},
- {cft_strg, "root", NULL},
- {cft_strg, "ramdisk", NULL},
- {cft_flag, "read-only", NULL},
- {cft_flag, "read-write", NULL},
- {cft_strg, "append", NULL},
- {cft_strg, "initrd", NULL},
- {cft_flag, "initrd-prompt", NULL},
- {cft_strg, "initrd-size", NULL},
- {cft_flag, "pause-after", NULL},
- {cft_strg, "pause-message", NULL},
- {cft_strg, "init-code", NULL},
- {cft_strg, "init-message", NULL},
- {cft_strg, "splash", NULL},
- {cft_strg, "fgcolor", NULL},
- {cft_strg, "bgcolor", NULL},
- {cft_end, NULL, NULL}};
+ {cft_strg, "device", NULL},
+ {cft_strg, "partition", NULL},
+ {cft_strg, "default", NULL},
+ {cft_strg, "timeout", NULL},
+ {cft_strg, "password", NULL},
+ {cft_flag, "restricted", NULL},
+ {cft_strg, "message", NULL},
+ {cft_strg, "root", NULL},
+ {cft_strg, "ramdisk", NULL},
+ {cft_flag, "read-only", NULL},
+ {cft_flag, "read-write", NULL},
+ {cft_strg, "append", NULL},
+ {cft_strg, "initrd", NULL},
+ {cft_flag, "initrd-prompt", NULL},
+ {cft_strg, "initrd-size", NULL},
+ {cft_flag, "pause-after", NULL},
+ {cft_strg, "pause-message", NULL},
+ {cft_strg, "init-code", NULL},
+ {cft_strg, "init-message", NULL},
+ {cft_strg, "fgcolor", NULL},
+ {cft_strg, "bgcolor", NULL},
+ {cft_strg, "ptypewarning", NULL},
+ {cft_end, NULL, NULL}};
CONFIG cf_image[] =
{
- {cft_strg, "image", NULL},
- {cft_strg, "label", NULL},
- {cft_strg, "alias", NULL},
- {cft_flag, "single-key", NULL},
- {cft_flag, "restricted", NULL},
- {cft_strg, "device", NULL},
- {cft_strg, "partition", NULL},
- {cft_strg, "root", NULL},
- {cft_strg, "ramdisk", NULL},
- {cft_flag, "read-only", NULL},
- {cft_flag, "read-write", NULL},
- {cft_strg, "append", NULL},
- {cft_strg, "literal", NULL},
- {cft_strg, "initrd", NULL},
- {cft_flag, "initrd-prompt", NULL},
- {cft_strg, "initrd-size", NULL},
- {cft_flag, "pause-after", NULL},
- {cft_strg, "pause-message", NULL},
- {cft_flag, "novideo", NULL},
- {cft_strg, "splash", NULL},
- {cft_strg, "sysmap", NULL},
- {cft_end, NULL, NULL}};
+ {cft_strg, "image", NULL},
+ {cft_strg, "label", NULL},
+ {cft_strg, "alias", NULL},
+ {cft_flag, "single-key", NULL},
+ {cft_flag, "restricted", NULL},
+ {cft_strg, "device", NULL},
+ {cft_strg, "partition", NULL},
+ {cft_strg, "root", NULL},
+ {cft_strg, "ramdisk", NULL},
+ {cft_flag, "read-only", NULL},
+ {cft_flag, "read-write", NULL},
+ {cft_strg, "append", NULL},
+ {cft_strg, "literal", NULL},
+ {cft_strg, "initrd", NULL},
+ {cft_flag, "initrd-prompt", NULL},
+ {cft_strg, "initrd-size", NULL},
+ {cft_flag, "pause-after", NULL},
+ {cft_strg, "pause-message", NULL},
+ {cft_flag, "novideo", NULL},
+ {cft_strg, "sysmap", NULL},
+ {cft_end, NULL, NULL}};
static char flag_set;
static char *last_token = NULL, *last_item = NULL, *last_value = NULL;
static char *endp = NULL;
static char *file_name = NULL;
static CONFIG *curr_table = cf_options;
+static int ignore_entry;
static jmp_buf env;
static struct IMAGES {
- CONFIG table[sizeof (cf_image) / sizeof (cf_image[0])];
- struct IMAGES *next;
+ CONFIG table[sizeof (cf_image) / sizeof (cf_image[0])];
+ int obsolete;
+ struct IMAGES *next;
} *images = NULL;
void cfg_error (char *msg,...)
{
- va_list ap;
-
- va_start (ap, msg);
- prom_printf ("Config file error: ");
- prom_vprintf (msg, ap);
- va_end (ap);
- prom_printf (" near line %d in file %s\n", line_num, file_name);
- longjmp (env, 1);
+ va_list ap;
+
+ va_start (ap, msg);
+ prom_printf ("Config file error: ");
+ prom_vprintf (msg, ap);
+ va_end (ap);
+ prom_printf (" near line %d in file %s\n", line_num, file_name);
+ longjmp (env, 1);
}
void cfg_warn (char *msg,...)
{
- va_list ap;
+ va_list ap;
- va_start (ap, msg);
- prom_printf ("Config file warning: ");
- prom_vprintf (msg, ap);
- va_end (ap);
- prom_printf (" near line %d in file %s\n", line_num, file_name);
+ va_start (ap, msg);
+ prom_printf ("Config file warning: ");
+ prom_vprintf (msg, ap);
+ va_end (ap);
+ prom_printf (" near line %d in file %s\n", line_num, file_name);
}
inline int getc ()
{
- if (currp == endp)
- return EOF;
- return *currp++;
+ if (currp == endp)
+ return EOF;
+ return *currp++;
}
#define next_raw next
static int next (void)
{
- int ch;
+ int ch;
- if (!back)
- return getc ();
- ch = back;
- back = 0;
- return ch;
+ if (!back)
+ return getc ();
+ ch = back;
+ back = 0;
+ return ch;
}
static void again (int ch)
{
- back = ch;
+ back = ch;
}
static char *cfg_get_token (void)
{
- char buf[MAX_TOKEN + 1];
- char *here;
- int ch, escaped;
-
- if (last_token) {
- here = last_token;
- last_token = NULL;
- return here;
- }
- while (1) {
- while (ch = next (), ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r')
- if (ch == '\n' || ch == '\r')
- line_num++;
- if (ch == EOF || ch == (int)NULL)
- return NULL;
- if (ch != '#')
- break;
- while (ch = next_raw (), (ch != '\n' && ch != '\r'))
- if (ch == EOF)
- return NULL;
- line_num++;
- }
- if (ch == '=')
- return strdup ("=");
- if (ch == '"') {
- here = buf;
- while (here - buf < MAX_TOKEN) {
- if ((ch = next ()) == EOF)
- cfg_error ("EOF in quoted string");
- if (ch == '"') {
- *here = 0;
- return strdup (buf);
- }
- if (ch == '\\') {
- ch = next ();
- switch (ch) {
- case '"':
- case '\\':
- break;
- case '\n':
- case '\r':
- while ((ch = next ()), ch == ' ' || ch == '\t');
- if (!ch)
- continue;
+ char buf[MAX_TOKEN + 1];
+ char *here;
+ int ch, escaped;
+
+ if (last_token) {
+ here = last_token;
+ last_token = NULL;
+ return here;
+ }
+ while (1) {
+ while (ch = next (), ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r')
+ if (ch == '\n' || ch == '\r')
+ line_num++;
+ if (ch == EOF || ch == (int)NULL)
+ return NULL;
+ if (ch != '#')
+ break;
+ while (ch = next_raw (), (ch != '\n' && ch != '\r'))
+ if (ch == EOF)
+ return NULL;
+ line_num++;
+ }
+ if (ch == '=')
+ return strdup ("=");
+ if (ch == '"') {
+ here = buf;
+ while (here - buf < MAX_TOKEN) {
+ if ((ch = next ()) == EOF)
+ cfg_error ("EOF in quoted string");
+ if (ch == '"') {
+ *here = 0;
+ return strdup (buf);
+ }
+ if (ch == '\\') {
+ ch = next ();
+ switch (ch) {
+ case '"':
+ case '\\':
+ break;
+ case '\n':
+ case '\r':
+ while ((ch = next ()), ch == ' ' || ch == '\t');
+ if (!ch)
+ continue;
+ again (ch);
+ ch = ' ';
+ break;
+ case 'n':
+ ch = '\n';
+ break;
+ default:
+ cfg_error ("Bad use of \\ in quoted string");
+ }
+ } else if ((ch == '\n') || (ch == '\r'))
+ cfg_error ("newline is not allowed in quoted strings");
+ *here++ = ch;
+ }
+ cfg_error ("Quoted string is too long");
+ return 0; /* not reached */
+ }
+ here = buf;
+ escaped = 0;
+ while (here - buf < MAX_TOKEN) {
+ if (escaped) {
+ if (ch == EOF)
+ cfg_error ("\\ precedes EOF");
+ if (ch == '\n')
+ line_num++;
+ else
+ *here++ = ch == '\t' ? ' ' : ch;
+ escaped = 0;
+ } else {
+ if (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r' || ch == '#' ||
+ ch == '=' || ch == EOF) {
again (ch);
- ch = ' ';
- break;
- case 'n':
- ch = '\n';
- break;
- default:
- cfg_error ("Bad use of \\ in quoted string");
- }
- } else if ((ch == '\n') || (ch == '\r'))
- cfg_error ("newline is not allowed in quoted strings");
- *here++ = ch;
- }
- cfg_error ("Quoted string is too long");
- return 0; /* not reached */
- }
- here = buf;
- escaped = 0;
- while (here - buf < MAX_TOKEN) {
- if (escaped) {
- if (ch == EOF)
- cfg_error ("\\ precedes EOF");
- if (ch == '\n')
- line_num++;
- else
- *here++ = ch == '\t' ? ' ' : ch;
- escaped = 0;
- } else {
- if (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r' || ch == '#' ||
- ch == '=' || ch == EOF) {
- again (ch);
- *here = 0;
- return strdup (buf);
- }
- if (!(escaped = (ch == '\\')))
- *here++ = ch;
- }
- ch = next ();
- }
- cfg_error ("Token is too long");
- return 0; /* not reached */
+ *here = 0;
+ return strdup (buf);
+ }
+ if (!(escaped = (ch == '\\')))
+ *here++ = ch;
+ }
+ ch = next ();
+ }
+ cfg_error ("Token is too long");
+ return 0; /* not reached */
}
static void cfg_return_token (char *token)
{
- last_token = token;
+ last_token = token;
}
static int cfg_next (char **item, char **value)
{
- char *this;
+ char *this;
+
+ if (last_item) {
+ *item = last_item;
+ *value = last_value;
+ last_item = NULL;
+ return 1;
+ }
+ *value = NULL;
+ if (!(*item = cfg_get_token ()))
+ return 0;
+ if (!strcmp (*item, "="))
+ cfg_error ("Syntax error");
+ if (!(this = cfg_get_token ()))
+ return 1;
+ if (strcmp (this, "=")) {
+ cfg_return_token (this);
+ return 1;
+ }
+ if (!(*value = cfg_get_token ()))
+ cfg_error ("Value expected at EOF");
+ if (!strcmp (*value, "="))
+ cfg_error ("Syntax error after %s", *item);
+ return 1;
+}
- if (last_item) {
- *item = last_item;
- *value = last_value;
- last_item = NULL;
- return 1;
- }
- *value = NULL;
- if (!(*item = cfg_get_token ()))
- return 0;
- if (!strcmp (*item, "="))
- cfg_error ("Syntax error");
- if (!(this = cfg_get_token ()))
- return 1;
- if (strcmp (this, "=")) {
- cfg_return_token (this);
- return 1;
- }
- if (!(*value = cfg_get_token ()))
- cfg_error ("Value expected at EOF");
- if (!strcmp (*value, "="))
- cfg_error ("Syntax error after %s", *item);
- return 1;
+static char *cfg_get_strg_i (CONFIG * table, char *item)
+{
+ CONFIG *walk;
+
+ for (walk = table; walk->type != cft_end; walk++)
+ if (walk->name && !strcasecmp (walk->name, item))
+ return walk->data;
+ return 0;
}
#if 0
// below, so we don't need this unless we decide to use it again.
static void cfg_return (char *item, char *value)
{
- last_item = item;
- last_value = value;
+ last_item = item;
+ last_value = value;
}
#endif
-static int cfg_set (char *item, char *value)
+static int match_arch(const char *name)
{
- CONFIG *walk;
+ static prom_handle root;
+ static char model[256], *p;
- if (!strcasecmp (item, "image")) {
- struct IMAGES **p = &images;
+ if (!root) {
+ if (!(root = prom_finddevice("/")))
+ return 0;
+ }
- while (*p)
- p = &((*p)->next);
- *p = (struct IMAGES *)malloc (sizeof (struct IMAGES));
- if (*p == NULL) {
- prom_printf("malloc error in cfg_set\n");
- return -1;
+ if (!model[0]) {
+ if (!prom_getprop(root, "compatible", model, sizeof(model)))
+ return 0;
}
- (*p)->next = 0;
- curr_table = ((*p)->table);
- memcpy (curr_table, cf_image, sizeof (cf_image));
- }
- for (walk = curr_table; walk->type != cft_end; walk++) {
- if (walk->name && !strcasecmp (walk->name, item)) {
- if (value && walk->type != cft_strg)
- cfg_warn ("'%s' doesn't have a value", walk->name);
- else if (!value && walk->type == cft_strg)
- cfg_warn ("Value expected for '%s'", walk->name);
- else {
- if (walk->data)
- cfg_warn ("Duplicate entry '%s'", walk->name);
- if (walk->type == cft_flag)
- walk->data = &flag_set;
- else if (walk->type == cft_strg)
- walk->data = value;
- }
- break;
+
+ for (p = model; *p; p += strlen(p) + 1) {
+ if (!strcasecmp(p, name))
+ return 1;
}
- }
- if (walk->type != cft_end)
- return 1;
-// cfg_return (item, value);
- return 0;
+
+ return 0;
}
-int cfg_parse (char *cfg_file, char *buff, int len)
+static void check_for_obsolete(const char *label)
{
- char *item, *value;
-
- file_name = cfg_file;
- currp = buff;
- endp = currp + len;
-
- if (setjmp (env))
- return -1;
- while (1) {
- if (!cfg_next (&item, &value))
- return 0;
- if (!cfg_set (item, value)) {
-#if DEBUG
- prom_printf("Can't set item %s to value %s\n", item, value);
-#endif
+ struct IMAGES *p;
+ char *cur_label;
+
+ /* Make sure our current entry isn't obsolete (ignored) */
+ for (p = images; p; p = p->next) {
+ if (curr_table == p->table && p->obsolete)
+ return;
+ }
+
+ for (p = images; p; p = p->next) {
+ if (curr_table == p->table)
+ continue;
+
+ cur_label = cfg_get_strg_i (p->table, "label");
+ if (!cur_label)
+ cur_label = cfg_get_strg_i (p->table, "image");
+
+ if (!cur_label)
+ continue;
+
+ if (!strcasecmp(cur_label, label))
+ p->obsolete = 1;
}
- free (item);
- }
}
-static char *cfg_get_strg_i (CONFIG * table, char *item)
+static int cfg_set (char *item, char *value)
+{
+ CONFIG *walk;
+
+ if (!strncasecmp (item, "image", 5)) {
+ struct IMAGES **p = &images;
+ int ignore = 0;
+
+ if (item[5] == '[' && item[strlen(item) - 1] == ']') {
+ char *s, *q = item;
+
+ /* Get rid of braces */
+ item[strlen(item) - 1] = 0;
+ item[5] = 0;
+
+ for (s = item + 6; q; s = q) {
+ q = strchr(s, '|');
+ if (q)
+ *q++ = 0;
+
+ if (match_arch(s))
+ goto cfg_set_cont;
+ }
+ /* This just creates an unused table. It will get ignored */
+ ignore = 1;
+ } else if (item[5])
+ goto cfg_set_redo;
+
+cfg_set_cont:
+ while (*p)
+ p = &((*p)->next);
+ *p = (struct IMAGES *)malloc (sizeof (struct IMAGES));
+ if (*p == NULL) {
+ prom_printf("malloc error in cfg_set\n");
+ return -1;
+ }
+ (*p)->next = 0;
+ (*p)->obsolete = ignore;
+ curr_table = ((*p)->table);
+ memcpy (curr_table, cf_image, sizeof (cf_image));
+ }
+
+cfg_set_redo:
+ for (walk = curr_table; walk->type != cft_end; walk++) {
+ if (walk->name && !strcasecmp (walk->name, item)) {
+ if (value && walk->type != cft_strg)
+ cfg_warn ("'%s' doesn't have a value", walk->name);
+ else if (!value && walk->type == cft_strg)
+ cfg_warn ("Value expected for '%s'", walk->name);
+ else {
+ if (!strcasecmp (item, "label"))
+ check_for_obsolete(value);
+ if (walk->data)
+ cfg_warn ("Duplicate entry '%s'", walk->name);
+ if (walk->type == cft_flag)
+ walk->data = &flag_set;
+ else if (walk->type == cft_strg)
+ walk->data = value;
+ }
+ break;
+ }
+ }
+
+ if (walk->type != cft_end)
+ return 1;
+
+ //cfg_return (item, value);
+
+ return 0;
+}
+
+static int cfg_reset ()
{
CONFIG *walk;
+#if DEBUG
+ prom_printf("Resetting image table\n");
+#endif
+ line_num = 0;
+ images = NULL;
+ curr_table = NULL;
+ curr_table = cf_options;
+ for (walk = curr_table; walk->type != cft_end; walk++) {
+#if DEBUG
+ prom_printf("ItemA %s = %s\n", walk->name, walk->data);
+#endif
+ if (walk->data != NULL)
+ walk->data = NULL;
+#if DEBUG
+ prom_printf("ItemB %s = %s\n\n", walk->name, walk->data);
+#endif
+ }
- for (walk = table; walk->type != cft_end; walk++)
- if (walk->name && !strcasecmp (walk->name, item))
- return walk->data;
return 0;
}
+int cfg_parse (char *cfg_file, char *buff, int len)
+{
+ char *item, *value;
+
+ file_name = cfg_file;
+ currp = buff;
+ endp = currp + len;
+
+ cfg_reset();
+
+ if (setjmp (env))
+ return -1;
+ while (1) {
+ if (!cfg_next (&item, &value))
+ return 0;
+ if (!cfg_set (item, value)) {
+#if DEBUG
+ prom_printf("Can't set item %s to value %s\n", item, value);
+#endif
+ }
+ free (item);
+ }
+}
+
char *cfg_get_strg (char *image, char *item)
{
- struct IMAGES *p;
- char *label, *alias;
- char *ret;
-
- if (!image)
- return cfg_get_strg_i (cf_options, item);
- for (p = images; p; p = p->next) {
- label = cfg_get_strg_i (p->table, "label");
- if (!label) {
- label = cfg_get_strg_i (p->table, "image");
- alias = strrchr (label, '/');
- if (alias)
- label = alias + 1;
- }
- alias = cfg_get_strg_i (p->table, "alias");
- if (!strcmp (label, image) || (alias && !strcmp (alias, image))) {
- ret = cfg_get_strg_i (p->table, item);
- if (!ret)
- ret = cfg_get_strg_i (cf_options, item);
- return ret;
- }
- }
- return 0;
+ struct IMAGES *p;
+ char *label, *alias;
+ char *ret;
+
+ if (!image)
+ return cfg_get_strg_i (cf_options, item);
+ for (p = images; p; p = p->next) {
+ if (p->obsolete)
+ continue;
+
+ label = cfg_get_strg_i (p->table, "label");
+ if (!label) {
+ label = cfg_get_strg_i (p->table, "image");
+ alias = strrchr (label, '/');
+ if (alias)
+ label = alias + 1;
+ }
+ alias = cfg_get_strg_i (p->table, "alias");
+ if (!strcmp (label, image) || (alias && !strcmp (alias, image))) {
+ ret = cfg_get_strg_i (p->table, item);
+ if (!ret)
+ ret = cfg_get_strg_i (cf_options, item);
+ return ret;
+ }
+ }
+ return 0;
}
int cfg_get_flag (char *image, char *item)
{
- return !!cfg_get_strg (image, item);
+ return !!cfg_get_strg (image, item);
}
static int printl_count = 0;
static void printlabel (char *label, int defflag)
{
- int len = strlen (label);
-
- if (!printl_count)
- prom_printf ("\n");
- prom_printf ("%s %s",defflag?"*":" ", label);
- while (len++ < 25)
- prom_putchar (' ');
- printl_count++;
- if (printl_count == 3)
- printl_count = 0;
+ int len = strlen (label);
+ char a = ' ';
+
+ if (!printl_count)
+ prom_printf ("\n");
+ switch (defflag) {
+ case 1: a='*'; break;
+ case 2: a='&'; break;
+ default: a=' '; break;
+ }
+ prom_printf ("%c %s", a, label);
+ while (len++ < 25)
+ prom_putchar (' ');
+ printl_count++;
+ if (printl_count == 3)
+ printl_count = 0;
}
void cfg_print_images (void)
{
- struct IMAGES *p;
- char *label, *alias;
-
- char *ret = cfg_get_strg_i (cf_options, "default");
- int defflag=0;
-
- printl_count = 0;
- for (p = images; p; p = p->next) {
- label = cfg_get_strg_i (p->table, "label");
- if (!label) {
- label = cfg_get_strg_i (p->table, "image");
- alias = strrchr (label, '/');
- if (alias)
- label = alias + 1;
- }
- if(!strcmp(ret,label))
- defflag=1;
- else
- defflag=0;
- alias = cfg_get_strg_i (p->table, "alias");
- printlabel (label, defflag);
- if (alias)
- printlabel (alias, 0);
- }
- prom_printf ("\n\nYou can also type in custom image locations, in the form\n"
- "{prom_path;}partno/path_to_image or {prom_path;}{partno}[start-end]\n"
- "Example: hd:3,/vmlinux\n\n");
+ struct IMAGES *p;
+ char *label, *alias;
+
+ char *ret = cfg_get_strg_i (cf_options, "default");
+ int defflag=0;
+
+ printl_count = 0;
+ for (p = images; p; p = p->next) {
+ if (p->obsolete)
+ continue;
+
+ label = cfg_get_strg_i (p->table, "label");
+ if (!label) {
+ label = cfg_get_strg_i (p->table, "image");
+ alias = strrchr (label, '/');
+ if (alias)
+ label = alias + 1;
+ }
+ if(!strcmp(bootoncelabel,label))
+ defflag=2;
+ else if(!strcmp(ret,label))
+ defflag=1;
+ else
+ defflag=0;
+ alias = cfg_get_strg_i (p->table, "alias");
+ printlabel (label, defflag);
+ if (alias)
+ printlabel (alias, 0);
+ }
+ prom_printf("\n");
}
char *cfg_get_default (void)
{
- char *label;
- char *ret = cfg_get_strg_i (cf_options, "default");
+ char *label;
+ struct IMAGES *p;
+ char *ret = cfg_get_strg_i (cf_options, "default");
+
+ if (ret)
+ return ret;
+ if (!images)
+ return 0;
+
+ for (p = images; p && p->obsolete; p = p->next);
+ if (!p)
+ return 0;
+
+ ret = cfg_get_strg_i (p->table, "label");
+ if (!ret) {
+ ret = cfg_get_strg_i (p->table, "image");
+ label = strrchr (ret, '/');
+ if (label)
+ ret = label + 1;
+ }
+ return ret;
+}
- if (ret)
- return ret;
- if (!images)
- return 0;
- ret = cfg_get_strg_i (images->table, "label");
- if (!ret) {
- ret = cfg_get_strg_i (images->table, "image");
- label = strrchr (ret, '/');
- if (label)
- ret = label + 1;
- }
- return ret;
+/*
+ * cfg_set_default_by_mac ()
+ * return 1 if the default cf_option was changed to label with the MAC addr
+ * return 0 if not changed
+ */
+int cfg_set_default_by_mac (char *mac_addr)
+{
+ CONFIG *walk;
+ struct IMAGES *tmp;
+ char * label = NULL;
+ int haslabel = 0;
+
+ /* check if there is an image label equal to mac_addr */
+ for (tmp = images; tmp; tmp = tmp->next) {
+ label = cfg_get_strg_i (tmp->table, "label");
+ if (!strcmp(label,mac_addr)){
+ haslabel = 1;
+ }
+ }
+
+ if (!haslabel)
+ return 0;
+ else {
+ /*
+ * if there is an image label equal to mac_addr, change the default
+ * cf_options to this image label
+ */
+ for (walk = cf_options; walk->type != cft_end; walk++) {
+ if (!strcasecmp(walk->name,"default")) {
+ walk->data = mac_addr;
+ return 1;
+ }
+ }
+ return 0;
+ }
}
+
+/*
+ * Local variables:
+ * c-file-style: "k&r"
+ * c-basic-offset: 5
+ * End:
+ */
projects / yaboot.git / blobdiff