/* All the possible state transitions on the command line. If a
transition can not be found, it is assumed that there is no
transition and keep_value is assumed to be 1. */
-static struct grub_parser_state_transition state_transitions[] =
-{
- { GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_QUOTE, '\'', 0},
- { GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_DQUOTE, '\"', 0},
- { GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_VAR, '$', 0},
- { GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_ESC, '\\', 0},
+static struct grub_parser_state_transition state_transitions[] = {
+ {GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_QUOTE, '\'', 0},
+ {GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_DQUOTE, '\"', 0},
+ {GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_VAR, '$', 0},
+ {GRUB_PARSER_STATE_TEXT, GRUB_PARSER_STATE_ESC, '\\', 0},
- { GRUB_PARSER_STATE_ESC, GRUB_PARSER_STATE_TEXT, 0, 1},
+ {GRUB_PARSER_STATE_ESC, GRUB_PARSER_STATE_TEXT, 0, 1},
- { GRUB_PARSER_STATE_QUOTE, GRUB_PARSER_STATE_TEXT, '\'', 0},
+ {GRUB_PARSER_STATE_QUOTE, GRUB_PARSER_STATE_TEXT, '\'', 0},
- { GRUB_PARSER_STATE_DQUOTE, GRUB_PARSER_STATE_TEXT, '\"', 0},
- { GRUB_PARSER_STATE_DQUOTE, GRUB_PARSER_STATE_QVAR, '$', 0},
+ {GRUB_PARSER_STATE_DQUOTE, GRUB_PARSER_STATE_TEXT, '\"', 0},
+ {GRUB_PARSER_STATE_DQUOTE, GRUB_PARSER_STATE_QVAR, '$', 0},
- { GRUB_PARSER_STATE_VAR, GRUB_PARSER_STATE_VARNAME2, '{', 0},
- { GRUB_PARSER_STATE_VAR, GRUB_PARSER_STATE_VARNAME, 0, 1},
- { GRUB_PARSER_STATE_VARNAME, GRUB_PARSER_STATE_TEXT, ' ', 1},
- { GRUB_PARSER_STATE_VARNAME2, GRUB_PARSER_STATE_TEXT, '}', 0},
+ {GRUB_PARSER_STATE_VAR, GRUB_PARSER_STATE_VARNAME2, '{', 0},
+ {GRUB_PARSER_STATE_VAR, GRUB_PARSER_STATE_VARNAME, 0, 1},
+ {GRUB_PARSER_STATE_VARNAME, GRUB_PARSER_STATE_TEXT, ' ', 1},
+ {GRUB_PARSER_STATE_VARNAME2, GRUB_PARSER_STATE_TEXT, '}', 0},
- { GRUB_PARSER_STATE_QVAR, GRUB_PARSER_STATE_QVARNAME2, '{', 0},
- { GRUB_PARSER_STATE_QVAR, GRUB_PARSER_STATE_QVARNAME, 0, 1},
- { GRUB_PARSER_STATE_QVARNAME, GRUB_PARSER_STATE_TEXT, '\"', 0},
- { GRUB_PARSER_STATE_QVARNAME, GRUB_PARSER_STATE_DQUOTE, ' ', 1},
- { GRUB_PARSER_STATE_QVARNAME2, GRUB_PARSER_STATE_DQUOTE, '}', 0},
+ {GRUB_PARSER_STATE_QVAR, GRUB_PARSER_STATE_QVARNAME2, '{', 0},
+ {GRUB_PARSER_STATE_QVAR, GRUB_PARSER_STATE_QVARNAME, 0, 1},
+ {GRUB_PARSER_STATE_QVARNAME, GRUB_PARSER_STATE_TEXT, '\"', 0},
+ {GRUB_PARSER_STATE_QVARNAME, GRUB_PARSER_STATE_DQUOTE, ' ', 1},
+ {GRUB_PARSER_STATE_QVARNAME2, GRUB_PARSER_STATE_DQUOTE, '}', 0},
- { 0, 0, 0, 0}
+ {0, 0, 0, 0}
};
if (transition->input == c)
break;
- if (transition->input == ' ' && ! grub_isalpha (c)
- && ! grub_isdigit (c) && c != '_')
+ if (transition->input == ' ' && !grub_isalpha (c)
+ && !grub_isdigit (c) && c != '_')
break;
/* A less perfect match was found, use this one if no exact
- match can be found. */
+ match can be found. */
if (transition->input == 0)
break;
}
- if (! transition->from_state)
+ if (!transition->from_state)
transition = &default_transition;
if (transition->keep_value)
auto int check_varstate (grub_parser_state_t s);
int check_varstate (grub_parser_state_t s)
- {
- return (s == GRUB_PARSER_STATE_VARNAME
- || s == GRUB_PARSER_STATE_VARNAME2
- || s == GRUB_PARSER_STATE_QVARNAME
- || s == GRUB_PARSER_STATE_QVARNAME2);
- }
+ {
+ return (s == GRUB_PARSER_STATE_VARNAME
+ || s == GRUB_PARSER_STATE_VARNAME2
+ || s == GRUB_PARSER_STATE_QVARNAME
+ || s == GRUB_PARSER_STATE_QVARNAME2);
+ }
auto void add_var (grub_parser_state_t newstate);
void add_var (grub_parser_state_t newstate)
- {
- char *val;
-
- /* Check if a variable was being read in and the end of the name
- was reached. */
- if (! (check_varstate (state) && !check_varstate (newstate)))
- return;
-
- *(vp++) = '\0';
- val = grub_env_get (varname);
- vp = varname;
- if (! val)
- return;
-
- /* Insert the contents of the variable in the buffer. */
- for (; *val; val++)
- *(bp++) = *val;
- }
+ {
+ char *val;
+
+ /* Check if a variable was being read in and the end of the name
+ was reached. */
+ if (!(check_varstate (state) && !check_varstate (newstate)))
+ return;
+
+ *(vp++) = '\0';
+ val = grub_env_get (varname);
+ vp = varname;
+ if (!val)
+ return;
+
+ /* Insert the contents of the variable in the buffer. */
+ for (; *val; val++)
+ *(bp++) = *val;
+ }
*argc = 0;
do
{
- if (! rd || !*rd)
+ if (!rd || !*rd)
{
if (getline)
getline (&rd, 1);
- else break;
+ else
+ break;
}
if (!rd)
}
state = newstate;
}
- } while (state != GRUB_PARSER_STATE_TEXT && !check_varstate (state));
+ }
+ while (state != GRUB_PARSER_STATE_TEXT && !check_varstate (state));
/* A special case for when the last character was part of a
variable. */
/* Reserve memory for the return values. */
args = grub_malloc (bp - buffer);
- if (! args)
+ if (!args)
return grub_errno;
grub_memcpy (args, buffer, bp - buffer);
*argv = grub_malloc (sizeof (char *) * (*argc + 1));
- if (! *argv)
+ if (!*argv)
{
grub_free (args);
return grub_errno;
return 0;
}
-struct grub_handler_class grub_parser_class =
- {
- .name = "parser"
- };
+struct grub_handler_class grub_parser_class = {
+ .name = "parser"
+};
grub_err_t
grub_parser_execute (char *source)
{
auto grub_err_t getline (char **line, int cont);
grub_err_t getline (char **line, int cont __attribute__ ((unused)))
- {
- char *p;
-
- if (! source)
- {
- *line = 0;
- return 0;
- }
-
- p = grub_strchr (source, '\n');
- if (p)
- *p = 0;
-
- *line = grub_strdup (source);
- if (p)
- *p = '\n';
- source = p ? p + 1 : 0;
- return 0;
- }
+ {
+ char *p;
+
+ if (!source)
+ {
+ *line = 0;
+ return 0;
+ }
+
+ p = grub_strchr (source, '\n');
+ if (p)
+ *p = 0;
+
+ *line = grub_strdup (source);
+ if (p)
+ *p = '\n';
+ source = p ? p + 1 : 0;
+ return 0;
+ }
while (source)
{