diff options
Diffstat (limited to 'util/misc.c')
| -rw-r--r-- | util/misc.c | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/util/misc.c b/util/misc.c new file mode 100644 index 0000000..d545212 --- /dev/null +++ b/util/misc.c @@ -0,0 +1,225 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2002,2003,2005,2006,2007,2008,2009,2010 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 <config.h> + +#include <errno.h> +#include <setjmp.h> +#include <stdio.h> +#include <stdlib.h> +#include <stdarg.h> +#include <stdint.h> +#include <string.h> +#include <sys/types.h> +#include <sys/time.h> +#include <time.h> + +#include <grub/kernel.h> +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/cache.h> +#include <grub/emu/misc.h> +#include <grub/util/misc.h> +#include <grub/mm.h> +#include <grub/term.h> +#include <grub/time.h> +#include <grub/i18n.h> +#include <grub/script_sh.h> +#include <grub/emu/hostfile.h> + +#define ENABLE_RELOCATABLE 0 +#ifdef GRUB_BUILD +const char *program_name = GRUB_BUILD_PROGRAM_NAME; +#else +#include "progname.h" +#endif + +#ifdef GRUB_UTIL +int +grub_err_printf (const char *fmt, ...) +{ + va_list ap; + int ret; + + va_start (ap, fmt); + ret = vfprintf (stderr, fmt, ap); + va_end (ap); + + return ret; +} +#endif + +char * +grub_util_get_path (const char *dir, const char *file) +{ + char *path; + + path = (char *) xmalloc (strlen (dir) + 1 + strlen (file) + 1); + sprintf (path, "%s/%s", dir, file); + return path; +} + +char * +grub_util_read_image (const char *path) +{ + char *img; + FILE *fp; + size_t size; + + grub_util_info ("reading %s", path); + + size = grub_util_get_image_size (path); + img = (char *) xmalloc (size); + + fp = grub_util_fopen (path, "rb"); + if (! fp) + grub_util_error (_("cannot open `%s': %s"), path, + strerror (errno)); + + if (fread (img, 1, size, fp) != size) + grub_util_error (_("cannot read `%s': %s"), path, + strerror (errno)); + + fclose (fp); + + return img; +} + +void +grub_util_write_image_at (const void *img, size_t size, off_t offset, FILE *out, + const char *name) +{ + grub_util_info ("writing 0x%" GRUB_HOST_PRIxLONG_LONG " bytes at offset 0x%" + GRUB_HOST_PRIxLONG_LONG, + (unsigned long long) size, (unsigned long long) offset); + if (fseeko (out, offset, SEEK_SET) == -1) + grub_util_error (_("cannot seek `%s': %s"), + name, strerror (errno)); + if (fwrite (img, 1, size, out) != size) + grub_util_error (_("cannot write to `%s': %s"), + name, strerror (errno)); +} + +void +grub_util_write_image (const char *img, size_t size, FILE *out, + const char *name) +{ + grub_util_info ("writing 0x%" GRUB_HOST_PRIxLONG_LONG " bytes", (unsigned long long) size); + if (fwrite (img, 1, size, out) != size) + { + if (!name) + grub_util_error (_("cannot write to the stdout: %s"), + strerror (errno)); + else + grub_util_error (_("cannot write to `%s': %s"), + name, strerror (errno)); + } +} + +grub_err_t +grub_script_execute_cmdline (struct grub_script_cmd *cmd __attribute__ ((unused))) +{ + return 0; +} + +grub_err_t +grub_script_execute_cmdlist (struct grub_script_cmd *cmd __attribute__ ((unused))) +{ + return 0; +} + +grub_err_t +grub_script_execute_cmdif (struct grub_script_cmd *cmd __attribute__ ((unused))) +{ + return 0; +} + +grub_err_t +grub_script_execute_cmdfor (struct grub_script_cmd *cmd __attribute__ ((unused))) +{ + return 0; +} + +grub_err_t +grub_script_execute_cmdwhile (struct grub_script_cmd *cmd __attribute__ ((unused))) +{ + return 0; +} + +grub_err_t +grub_script_execute (struct grub_script *script) +{ + if (script == 0 || script->cmd == 0) + return 0; + + return script->cmd->exec (script->cmd); +} + +int +grub_getkey (void) +{ + return -1; +} + +void +grub_refresh (void) +{ + fflush (stdout); +} + +static void +grub_xputs_real (const char *str) +{ + fputs (str, stdout); +} + +void (*grub_xputs) (const char *str) = grub_xputs_real; + +int +grub_dl_ref (grub_dl_t mod) +{ + (void) mod; + return 0; +} + +int +grub_dl_unref (grub_dl_t mod) +{ + (void) mod; + return 0; +} + +/* Some functions that we don't use. */ +void +grub_mm_init_region (void *addr __attribute__ ((unused)), + grub_size_t size __attribute__ ((unused))) +{ +} + +void +grub_register_exported_symbols (void) +{ +} + +/* Used in comparison of arrays of strings with qsort */ +int +grub_qsort_strcmp (const void *p1, const void *p2) +{ + return strcmp(*(char *const *)p1, *(char *const *)p2); +} + |