2008-02-02 Robert Millan <rmh@aybabtu.com>

* commands/read.c: New file.
        * conf/common.rmk (pkglib_MODULES): Add `commands/read.c'.
        (read_mod_SOURCES): New variable.
        (read_mod_CFLAGS): Likewise.
        (read_mod_LDFLAGS): Likewise.
This commit is contained in:
robertmh 2008-02-02 20:35:08 +00:00
parent e03a11328e
commit 4020aa53c0
5 changed files with 147 additions and 4 deletions

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@ -1,3 +1,11 @@
2008-02-02 Robert Millan <rmh@aybabtu.com>
* commands/read.c: New file.
* conf/common.rmk (pkglib_MODULES): Add `commands/read.c'.
(read_mod_SOURCES): New variable.
(read_mod_CFLAGS): Likewise.
(read_mod_LDFLAGS): Likewise.
2008-02-02 Robert Millan <rmh@aybabtu.com>
* normal/main.c (grub_normal_execute): Check for `menu->size' when

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@ -41,6 +41,7 @@ commands/echo.c
commands/help.c
commands/hexdump.c
commands/ls.c
commands/read.c
commands/search.c
commands/terminal.c
commands/test.c

81
commands/read.c Normal file
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@ -0,0 +1,81 @@
/* read.c - Command to read variables from user. */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2006,2007,2008 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/dl.h>
#include <grub/misc.h>
#include <grub/mm.h>
#include <grub/normal.h>
#include <grub/term.h>
#include <grub/types.h>
static char *
grub_getline (void)
{
int i;
char *line;
char *tmp;
i = 0;
line = grub_malloc (1 + i + sizeof('\0'));
if (! line)
return NULL;
while ((line[i - 1] != '\n') && (line[i - 1] != '\r'))
{
line[i] = grub_getkey ();
if (grub_isprint (line[i]))
grub_putchar (line[i]);
i++;
tmp = grub_realloc (line, 1 + i + sizeof('\0'));
if (! tmp)
{
grub_free (line);
return NULL;
}
line = tmp;
}
line[i] = '\0';
return line;
}
static grub_err_t
grub_cmd_read (struct grub_arg_list *state UNUSED, int argc, char **args)
{
char *line = grub_getline ();
if (! line)
return grub_errno;
if (argc > 0)
grub_env_set (args[0], line);
grub_free (line);
return 0;
}
GRUB_MOD_INIT(read)
{
grub_register_command ("read", grub_cmd_read, GRUB_COMMAND_FLAG_CMDLINE,
"read [ENVVAR]", "Set variable with user input", 0);
}
GRUB_MOD_FINI(read)
{
grub_unregister_command ("read");
}

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@ -1505,7 +1505,8 @@ lvm_mod_LDFLAGS = $(COMMON_LDFLAGS)
pkglib_MODULES += hello.mod boot.mod terminal.mod ls.mod \
cmp.mod cat.mod help.mod font.mod search.mod \
loopback.mod configfile.mod echo.mod \
terminfo.mod test.mod blocklist.mod hexdump.mod
terminfo.mod test.mod blocklist.mod hexdump.mod \
read.mod
# For hello.mod.
hello_mod_SOURCES = hello/hello.c
@ -2461,5 +2462,54 @@ fs-gzio_mod-io_gzio.lst: io/gzio.c $(io/gzio.c_DEPENDENCIES) genfslist.sh
gzio_mod_CFLAGS = $(COMMON_CFLAGS)
gzio_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For read.mod.
read_mod_SOURCES = commands/read.c
CLEANFILES += read.mod mod-read.o mod-read.c pre-read.o read_mod-commands_read.o und-read.lst
ifneq ($(read_mod_EXPORTS),no)
CLEANFILES += def-read.lst
DEFSYMFILES += def-read.lst
endif
MOSTLYCLEANFILES += read_mod-commands_read.d
UNDSYMFILES += und-read.lst
read.mod: pre-read.o mod-read.o
-rm -f $@
$(TARGET_CC) $(read_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ $^
$(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -R .note -R .comment $@
pre-read.o: $(read_mod_DEPENDENCIES) read_mod-commands_read.o
-rm -f $@
$(TARGET_CC) $(read_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ read_mod-commands_read.o
mod-read.o: mod-read.c
$(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(read_mod_CFLAGS) -c -o $@ $<
mod-read.c: moddep.lst genmodsrc.sh
sh $(srcdir)/genmodsrc.sh 'read' $< > $@ || (rm -f $@; exit 1)
ifneq ($(read_mod_EXPORTS),no)
def-read.lst: pre-read.o
$(NM) -g --defined-only -P -p $< | sed 's/^\([^ ]*\).*/\1 read/' > $@
endif
und-read.lst: pre-read.o
echo 'read' > $@
$(NM) -u -P -p $< | cut -f1 -d' ' >> $@
read_mod-commands_read.o: commands/read.c $(commands/read.c_DEPENDENCIES)
$(TARGET_CC) -Icommands -I$(srcdir)/commands $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(read_mod_CFLAGS) -MD -c -o $@ $<
-include read_mod-commands_read.d
CLEANFILES += cmd-read_mod-commands_read.lst fs-read_mod-commands_read.lst
COMMANDFILES += cmd-read_mod-commands_read.lst
FSFILES += fs-read_mod-commands_read.lst
cmd-read_mod-commands_read.lst: commands/read.c $(commands/read.c_DEPENDENCIES) gencmdlist.sh
set -e; $(TARGET_CC) -Icommands -I$(srcdir)/commands $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(read_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh read > $@ || (rm -f $@; exit 1)
fs-read_mod-commands_read.lst: commands/read.c $(commands/read.c_DEPENDENCIES) genfslist.sh
set -e; $(TARGET_CC) -Icommands -I$(srcdir)/commands $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(read_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh read > $@ || (rm -f $@; exit 1)
read_mod_CFLAGS = $(COMMON_CFLAGS)
read_mod_LDFLAGS = $(COMMON_LDFLAGS)

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@ -231,7 +231,8 @@ lvm_mod_LDFLAGS = $(COMMON_LDFLAGS)
pkglib_MODULES += hello.mod boot.mod terminal.mod ls.mod \
cmp.mod cat.mod help.mod font.mod search.mod \
loopback.mod configfile.mod echo.mod \
terminfo.mod test.mod blocklist.mod hexdump.mod
terminfo.mod test.mod blocklist.mod hexdump.mod \
read.mod
# For hello.mod.
hello_mod_SOURCES = hello/hello.c
@ -326,5 +327,7 @@ gzio_mod_SOURCES = io/gzio.c
gzio_mod_CFLAGS = $(COMMON_CFLAGS)
gzio_mod_LDFLAGS = $(COMMON_LDFLAGS)
# For read.mod.
read_mod_SOURCES = commands/read.c
read_mod_CFLAGS = $(COMMON_CFLAGS)
read_mod_LDFLAGS = $(COMMON_LDFLAGS)