mirror of
https://github.com/vincentmli/bpfire.git
synced 2026-05-11 09:48:24 +02:00
112 lines
2.8 KiB
Diff
112 lines
2.8 KiB
Diff
--- grub-0.90/stage2/stage2.c.append Thu Dec 20 08:20:48 2001
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+++ grub-0.90/stage2/stage2.c Thu Dec 20 17:01:20 2001
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@@ -500,7 +500,8 @@
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if (config_entries)
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printf ("\
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Press enter to boot the selected OS, \'e\' to edit the\n\
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- commands before booting, or \'c\' for a command-line.");
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+ commands before booting, \'a\' to modify the kernel arguments\n\
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+ before booting, or \'c\' for a command-line.");
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else
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printf ("\
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Press \'b\' to boot, \'e\' to edit the selected command in the\n\
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@@ -787,6 +788,98 @@
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enter_cmdline (heap, 0);
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goto restart;
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}
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+ if (config_entries && c == 'a')
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+ {
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+ int new_num_entries = 0, i = 0, j;
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+ int needs_padding, amount;
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+ char *new_heap;
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+ char * entries;
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+ char * entry_copy;
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+ char * append_line;
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+ char * start;
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+
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+ entry_copy = new_heap = heap;
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+ cur_entry = get_entry (config_entries, first_entry + entryno,
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+ 1);
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+
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+ do
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+ {
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+ while ((*(new_heap++) = cur_entry[i++]) != 0);
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+ new_num_entries++;
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+ }
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+ while (config_entries && cur_entry[i]);
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+
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+ /* this only needs to be done if config_entries is non-NULL,
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+ but it doesn't hurt to do it always */
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+ *(new_heap++) = 0;
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+
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+ new_heap = heap + NEW_HEAPSIZE + 1;
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+
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+ entries = entry_copy;
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+ while (*entries)
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+ {
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+ if ((strstr(entries, "kernel") == entries) &&
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+ isspace(entries[6]))
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+ break;
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+
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+ while (*entries) entries++;
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+ entries++;
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+ }
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+
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+ if (!*entries)
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+ goto restart;
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+
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+ start = entries + 6;
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+
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+ /* skip the white space */
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+ while (*start && isspace(*start)) start++;
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+ /* skip the kernel name */
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+ while (*start && !isspace(*start)) start++;
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+
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+ /* skip the white space */
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+ needs_padding = (!*start || !isspace(*start));
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+ while (*start && isspace(*start)) start++;
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+
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+ append_line = new_heap;
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+ grub_strcpy(append_line, start);
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+
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+ cls();
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+ print_cmdline_message (CMDLINE_EDIT_MODE);
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+
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+ if (get_cmdline(PACKAGE " append> ",
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+ append_line, NEW_HEAPSIZE + 1,
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+ 0, 1))
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+ goto restart;
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+
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+ /* have new args; append_line points to the
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+ new args and start points to the old
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+ args */
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+
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+ i = grub_strlen(start);
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+ j = grub_strlen(append_line);
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+
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+ if (i > (j + needs_padding))
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+ amount = i;
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+ else
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+ amount = j + needs_padding;
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+
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+ /* align rest of commands properly */
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+ memmove (start + j + needs_padding, start + i,
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+ ((int) append_line) - ((int) start) - (amount));
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+
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+ if (needs_padding)
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+ *start = ' ';
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+
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+ /* copy command to correct area */
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+ memmove (start + needs_padding, append_line, j);
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+
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+ /* set up this entry to boot */
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+ config_entries = NULL;
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+ cur_entry = entry_copy;
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+ heap = new_heap;
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+
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+ break;
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+ }
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#ifdef GRUB_UTIL
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if (c == 'q')
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{
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