/**
- * oconfig - src/parser.y
- * Copyright (C) 2007,2008 Florian octo Forster <octo at verplant.org>
+ * collectd - src/liboconfig/parser.y
+ * Copyright (C) 2007,2008 Florian Forster
*
- * This program 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; only version 2 of the License is applicable.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
*
- * This program 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.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Florian Forster <octo at collectd.org>
*/
%{
#include "aux_types.h"
static char *unquote (const char *orig);
-static int yyerror (const char *s);
+static void yyerror(const char *s);
/* Lexer variables */
extern int yylineno;
argument_list argument
{
$$ = $1;
+ oconfig_value_t *tmp = realloc($$.argument,
+ ($$.argument_num+1) * sizeof(*$$.argument));
+ if (tmp == NULL) {
+ yyerror("realloc failed");
+ YYERROR;
+ }
+ $$.argument = tmp;
+ $$.argument[$$.argument_num] = $2;
$$.argument_num++;
- $$.argument = realloc ($$.argument, $$.argument_num * sizeof (oconfig_value_t));
- $$.argument[$$.argument_num-1] = $2;
}
| argument
{
- $$.argument = malloc (sizeof (oconfig_value_t));
+ $$.argument = calloc(1, sizeof(*$$.argument));
+ if ($$.argument == NULL) {
+ yyerror("calloc failed");
+ YYERROR;
+ }
$$.argument[0] = $1;
$$.argument_num = 1;
}
option:
identifier argument_list EOL
{
- memset (&$$, '\0', sizeof ($$));
+ memset(&$$, 0, sizeof($$));
$$.key = $1;
$$.values = $2.argument;
$$.values_num = $2.argument_num;
block_begin:
OPENBRAC identifier CLOSEBRAC EOL
{
- memset (&$$, '\0', sizeof ($$));
+ memset(&$$, 0, sizeof($$));
$$.key = $2;
}
|
OPENBRAC identifier argument_list CLOSEBRAC EOL
{
- memset (&$$, '\0', sizeof ($$));
+ memset(&$$, 0, sizeof($$));
$$.key = $2;
$$.values = $3.argument;
$$.values_num = $3.argument_num;
block:
block_begin statement_list block_end
{
- if (strcmp ($1.key, $3) != 0)
+ if (strcmp($1.key, $3) != 0)
{
- printf ("block_begin = %s; block_end = %s;\n", $1.key, $3);
- yyerror ("Block not closed..\n");
- exit (1);
+ printf("block_begin = %s; block_end = %s;\n", $1.key, $3);
+ yyerror("block not closed");
+ YYERROR;
}
free ($3); $3 = NULL;
$$ = $1;
}
| block_begin block_end
{
- if (strcmp ($1.key, $2) != 0)
+ if (strcmp($1.key, $2) != 0)
{
- printf ("block_begin = %s; block_end = %s;\n", $1.key, $2);
- yyerror ("Block not closed..\n");
- exit (1);
+ printf("block_begin = %s; block_end = %s;\n", $1.key, $2);
+ yyerror("block not closed");
+ YYERROR;
}
free ($2); $2 = NULL;
$$ = $1;
$$ = $1;
if (($2.values_num > 0) || ($2.children_num > 0))
{
+ oconfig_item_t *tmp = realloc($$.statement,
+ ($$.statement_num+1) * sizeof(*tmp));
+ if (tmp == NULL) {
+ yyerror("realloc failed");
+ YYERROR;
+ }
+ $$.statement = tmp;
+ $$.statement[$$.statement_num] = $2;
$$.statement_num++;
- $$.statement = realloc ($$.statement, $$.statement_num * sizeof (oconfig_item_t));
- $$.statement[$$.statement_num-1] = $2;
}
}
| statement
{
if (($1.values_num > 0) || ($1.children_num > 0))
{
- $$.statement = malloc (sizeof (oconfig_item_t));
+ $$.statement = calloc(1, sizeof(*$$.statement));
+ if ($$.statement == NULL) {
+ yyerror("calloc failed");
+ YYERROR;
+ }
$$.statement[0] = $1;
$$.statement_num = 1;
}
entire_file:
statement_list
{
- ci_root = malloc (sizeof (oconfig_item_t));
- memset (ci_root, '\0', sizeof (oconfig_item_t));
+ ci_root = calloc(1, sizeof(*ci_root));
+ if (ci_root == NULL) {
+ yyerror("calloc failed");
+ YYERROR;
+ }
ci_root->children = $1.statement;
ci_root->children_num = $1.statement_num;
}
| /* epsilon */
{
- ci_root = malloc (sizeof (oconfig_item_t));
- memset (ci_root, '\0', sizeof (oconfig_item_t));
- ci_root->children = NULL;
- ci_root->children_num = 0;
+ ci_root = calloc(1, sizeof(*ci_root));
+ if (ci_root == NULL) {
+ yyerror("calloc failed");
+ YYERROR;
+ }
}
;
%%
-static int yyerror (const char *s)
+static void yyerror(const char *s)
{
- char *text;
+ const char *text;
- if (*yytext == '\n')
+ if (yytext == NULL)
+ text = "<empty>";
+ else if (*yytext == '\n')
text = "<newline>";
else
text = yytext;
- fprintf (stderr, "Parse error in file `%s', line %i near `%s': %s\n",
+ fprintf(stderr, "Parse error in file `%s', line %i near `%s': %s\n",
c_file, yylineno, text, s);
- return (-1);
} /* int yyerror */
static char *unquote (const char *orig)
{
char *ret = strdup (orig);
- int len;
- int i;
-
if (ret == NULL)
- return (NULL);
+ return NULL;
- len = strlen (ret);
+ size_t len = strlen (ret);
if ((len < 2) || (ret[0] != '"') || (ret[len - 1] != '"'))
- return (ret);
+ return ret;
len -= 2;
memmove (ret, ret + 1, len);
- ret[len] = '\0';
+ ret[len] = 0;
- for (i = 0; i < len; i++)
+ for (size_t i = 0; i < len; i++)
{
if (ret[i] == '\\')
{
}
}
- return (ret);
+ return ret;
} /* char *unquote */
projects / collectd.git / blobdiff