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This commit is contained in:
BVK Chaitanya 2010-03-21 11:03:41 +05:30
commit dd6fee39fa
208 changed files with 10984 additions and 2300 deletions
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25
script/execute.c
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@ -46,6 +46,9 @@ grub_script_execute_cmd (struct grub_script_cmd *cmd)
return ret;
}
#define ARG_ALLOCATION_UNIT (32 * sizeof (char))
#define ARGV_ALLOCATION_UNIT (8 * sizeof (void*))
/* Expand arguments in ARGLIST into multiple arguments. */
char **
grub_script_execute_arglist_to_argv (struct grub_script_arglist *arglist, int *count)
@ -67,7 +70,7 @@ grub_script_execute_arglist_to_argv (struct grub_script_arglist *arglist, int *c
if (oom)
return;
p = grub_realloc (argv, ALIGN_UP (sizeof(char*) * (argc + 1), 32));
p = grub_realloc (argv, ALIGN_UP (sizeof(char*) * (argc + 1), ARGV_ALLOCATION_UNIT));
if (!p)
oom = 1;
else
@ -89,7 +92,7 @@ grub_script_execute_arglist_to_argv (struct grub_script_arglist *arglist, int *c
len = nchar ?: grub_strlen (str);
old = argv[argc - 1] ? grub_strlen (argv[argc - 1]) : 0;
p = grub_realloc (argv[argc - 1], ALIGN_UP(old + len + 1, 32));
p = grub_realloc (argv[argc - 1], ALIGN_UP(old + len + 1, ARG_ALLOCATION_UNIT));
if (p)
{
@ -199,6 +202,7 @@ grub_script_execute_cmdline (struct grub_script_cmd *cmd)
grub_err_t ret = 0;
int argcount = 0;
grub_script_function_t func = 0;
char errnobuf[18];
char *cmdname;
/* Lookup the command. */
@ -210,7 +214,6 @@ grub_script_execute_cmdline (struct grub_script_cmd *cmd)
grubcmd = grub_command_find (cmdname);
if (! grubcmd)
{
/* Ignore errors. */
grub_errno = GRUB_ERR_NONE;
/* It's not a GRUB command, try all functions. */
@ -232,7 +235,13 @@ grub_script_execute_cmdline (struct grub_script_cmd *cmd)
grub_env_set (assign, eq);
}
grub_free (assign);
return grub_errno;
grub_snprintf (errnobuf, sizeof (errnobuf), "%d", grub_errno);
grub_env_set ("?", errnobuf);
grub_print_error ();
return 0;
}
}
@ -247,6 +256,14 @@ grub_script_execute_cmdline (struct grub_script_cmd *cmd)
grub_free (args[i]);
grub_free (args);
if (grub_errno == GRUB_ERR_TEST_FAILURE)
grub_errno = GRUB_ERR_NONE;
grub_print_error ();
grub_snprintf (errnobuf, sizeof (errnobuf), "%d", ret);
grub_env_set ("?", errnobuf);
return ret;
}

2
script/lexer.c
View file

@ -76,7 +76,7 @@ grub_script_lexer_record_stop (struct grub_parser_param *parser)
while (*end && grub_isspace (*end)) end--;
if (*end == '}') end--;
while (*end && grub_isspace (*end)) end--;
*end = '\0';
end[1] = '\0';
return start;
}

2
script/parser.y
View file

@ -45,8 +45,6 @@
%token GRUB_PARSER_TOKEN_PIPE "|"
%token GRUB_PARSER_TOKEN_AMP "&"
%token GRUB_PARSER_TOKEN_SEMI ";"
%token GRUB_PARSER_TOKEN_LPAR "("
%token GRUB_PARSER_TOKEN_RPAR ")"
%token GRUB_PARSER_TOKEN_LBR "{"
%token GRUB_PARSER_TOKEN_RBR "}"
%token GRUB_PARSER_TOKEN_NOT "!"

4
script/yylex.l
View file

@ -128,7 +128,7 @@ typedef grub_size_t yy_size_t;
BLANK [ \t]
COMMENT ^[ \t]*#.*$
CHAR [^|&$;()<> \t\n\'\"\\]
CHAR [^|&$;<> \t\n\'\"\\]
DIGITS [[:digit:]]+
NAME [[:alpha:]_][[:alnum:][:digit:]_]*
@ -157,8 +157,6 @@ WORD ({CHAR}|{DQSTR}|{SQSTR}|{ESC}|{VARIABLE})+
"|" { RECORD; return GRUB_PARSER_TOKEN_PIPE; }
"&" { RECORD; return GRUB_PARSER_TOKEN_AMP; }
";" { RECORD; return GRUB_PARSER_TOKEN_SEMI; }
"(" { RECORD; return GRUB_PARSER_TOKEN_LPAR; }
")" { RECORD; return GRUB_PARSER_TOKEN_RPAR; }
"<" { RECORD; return GRUB_PARSER_TOKEN_LT; }
">" { RECORD; return GRUB_PARSER_TOKEN_GT; }