chiark / gitweb /
move debugging strings inside #ifdef DEBUG
[elogind.git] / udev / udev-rules.c
index 455da42..226f352 100644 (file)
 #define PREALLOC_TOKEN                 2048
 #define PREALLOC_STRBUF                        32 * 1024
 
+struct uid_gid {
+       unsigned int name_off;
+       union {
+               uid_t   uid;
+               gid_t   gid;
+       };
+};
+
 /* KEY=="", KEY!="", KEY+="", KEY="", KEY:="" */
+struct udev_rules {
+       struct udev *udev;
+       int resolve_names;
+
+       /* every key in the rules file becomes a token */
+       struct token *tokens;
+       unsigned int token_cur;
+       unsigned int token_max;
+
+       /* all key strings are copied to a single string buffer */
+       char *buf;
+       size_t buf_cur;
+       size_t buf_max;
+       unsigned int buf_count;
+
+       /* during rule parsing, we cache uid/gid lookup results */
+       struct uid_gid *uids;
+       unsigned int uids_cur;
+       unsigned int uids_max;
+       struct uid_gid *gids;
+       unsigned int gids_cur;
+       unsigned int gids_max;
+};
+
 enum operation_type {
        OP_UNSET,
 
@@ -44,17 +76,6 @@ enum operation_type {
        OP_ASSIGN_FINAL,
 };
 
-static const char *operation_str[] = {
-       [OP_UNSET] =            "UNSET",
-       [OP_MATCH] =            "match",
-       [OP_NOMATCH] =          "nomatch",
-       [OP_MATCH_MAX] =        "MATCH_MAX",
-
-       [OP_ADD] =              "add",
-       [OP_ASSIGN] =           "assign",
-       [OP_ASSIGN_FINAL] =     "assign-final",
-};
-
 enum string_glob_type {
        GL_UNSET,
        GL_PLAIN,                       /* no special chars */
@@ -65,18 +86,6 @@ enum string_glob_type {
        GL_FORMAT,
 };
 
-#ifdef DEBUG
-static const char *string_glob_str[] = {
-       [GL_UNSET] =            "UNSET",
-       [GL_PLAIN] =            "plain",
-       [GL_GLOB] =             "glob",
-       [GL_SPLIT] =            "split",
-       [GL_SPLIT_GLOB] =       "split-glob",
-       [GL_SOMETHING] =        "split-glob",
-       [GL_FORMAT] =           "format",
-};
-#endif
-
 /* tokens of a rule are sorted/handled in this order */
 enum token_type {
        TK_UNSET,
@@ -132,6 +141,70 @@ enum token_type {
        TK_END,
 };
 
+/* we try to pack stuff in a way that we take only 16 bytes per token */
+struct token {
+       union {
+               unsigned short type;            /* same as in rule and key */
+               struct {
+                       unsigned short type;
+                       unsigned short flags;
+                       unsigned int next_rule;
+                       unsigned int label_off;
+                       unsigned short filename_off;
+                       unsigned short filename_line;
+               } rule;
+               struct {
+                       unsigned short type;
+                       unsigned short flags;
+                       unsigned short op;
+                       unsigned short glob;
+                       unsigned int value_off;
+                       union {
+                               unsigned int attr_off;
+                               int ignore_error;
+                               int i;
+                               unsigned int rule_goto;
+                               mode_t  mode;
+                               uid_t uid;
+                               gid_t gid;
+                               int num_fake_part;
+                               int devlink_prio;
+                               int event_timeout;
+                       };
+               } key;
+       };
+};
+
+#define MAX_TK         64
+struct rule_tmp {
+       struct udev_rules *rules;
+       struct token rule;
+       struct token token[MAX_TK];
+       unsigned int token_cur;
+};
+
+#ifdef DEBUG
+static const char *operation_str[] = {
+       [OP_UNSET] =            "UNSET",
+       [OP_MATCH] =            "match",
+       [OP_NOMATCH] =          "nomatch",
+       [OP_MATCH_MAX] =        "MATCH_MAX",
+
+       [OP_ADD] =              "add",
+       [OP_ASSIGN] =           "assign",
+       [OP_ASSIGN_FINAL] =     "assign-final",
+};
+
+static const char *string_glob_str[] = {
+       [GL_UNSET] =            "UNSET",
+       [GL_PLAIN] =            "plain",
+       [GL_GLOB] =             "glob",
+       [GL_SPLIT] =            "split",
+       [GL_SPLIT_GLOB] =       "split-glob",
+       [GL_SOMETHING] =        "split-glob",
+       [GL_FORMAT] =           "format",
+};
+
 static const char *token_str[] = {
        [TK_UNSET] =                    "UNSET",
        [TK_RULE] =                     "RULE",
@@ -186,79 +259,124 @@ static const char *token_str[] = {
        [TK_END] =                      "END",
 };
 
-/* we try to pack stuff in a way that we take only 16 bytes per token */
-struct token {
-       union {
-               unsigned short type;            /* same as in rule and key */
-               struct {
-                       unsigned short type;
-                       unsigned short flags;
-                       unsigned int next_rule;
-                       unsigned int label_off;
-                       unsigned short filename_off;
-                       unsigned short filename_line;
-               } rule;
-               struct {
-                       unsigned short type;
-                       unsigned short flags;
-                       unsigned short op;
-                       unsigned short glob;
-                       unsigned int value_off;
-                       union {
-                               unsigned int attr_off;
-                               int ignore_error;
-                               int i;
-                               unsigned int rule_goto;
-                               mode_t  mode;
-                               uid_t uid;
-                               gid_t gid;
-                               int num_fake_part;
-                               int devlink_prio;
-                               int event_timeout;
-                       };
-               } key;
-       };
-};
-
-#define MAX_TK         64
-struct rule_tmp {
-       struct udev_rules *rules;
-       struct token rule;
-       struct token token[MAX_TK];
-       unsigned int token_cur;
-};
-
-struct uid_gid {
-       unsigned int name_off;
-       union {
-               uid_t   uid;
-               gid_t   gid;
-       };
-};
+static void dump_token(struct udev_rules *rules, struct token *token)
+{
+       enum token_type type = token->type;
+       enum operation_type op = token->key.op;
+       enum string_glob_type glob = token->key.glob;
+       const char *value = &rules->buf[token->key.value_off];
+       const char *attr = &rules->buf[token->key.attr_off];
 
-struct udev_rules {
-       struct udev *udev;
-       int resolve_names;
+       switch (type) {
+       case TK_RULE:
+               {
+                       const char *tks_ptr = (char *)rules->tokens;
+                       const char *tk_ptr = (char *)token;
+                       unsigned int off = tk_ptr - tks_ptr;
 
-       /* every key in the rules file becomes a token */
-       struct token *tokens;
-       unsigned int token_cur;
-       unsigned int token_max;
+                       dbg(rules->udev, "* RULE %s:%u, off: %u(%u), next: %u, label: '%s', flags: 0x%02x\n",
+                           &rules->buf[token->rule.filename_off], token->rule.filename_line,
+                           off / (unsigned int) sizeof(struct token), off,
+                           token->rule.next_rule,
+                           &rules->buf[token->rule.label_off],
+                           token->rule.flags);
+                       break;
+               }
+       case TK_M_ACTION:
+       case TK_M_DEVPATH:
+       case TK_M_KERNEL:
+       case TK_M_SUBSYSTEM:
+       case TK_M_DRIVER:
+       case TK_M_WAITFOR:
+       case TK_M_DEVLINK:
+       case TK_M_NAME:
+       case TK_M_KERNELS:
+       case TK_M_SUBSYSTEMS:
+       case TK_M_DRIVERS:
+       case TK_M_PROGRAM:
+       case TK_M_IMPORT_FILE:
+       case TK_M_IMPORT_PROG:
+       case TK_M_IMPORT_PARENT:
+       case TK_M_RESULT:
+       case TK_A_NAME:
+       case TK_A_DEVLINK:
+       case TK_A_OWNER:
+       case TK_A_GROUP:
+       case TK_A_MODE:
+       case TK_A_RUN:
+               dbg(rules->udev, "%s %s '%s'(%s)\n",
+                   token_str[type], operation_str[op], value, string_glob_str[glob]);
+               break;
+       case TK_M_ATTR:
+       case TK_M_ATTRS:
+       case TK_M_ENV:
+       case TK_A_ATTR:
+       case TK_A_ENV:
+               dbg(rules->udev, "%s %s '%s' '%s'(%s)\n",
+                   token_str[type], operation_str[op], attr, value, string_glob_str[glob]);
+               break;
+       case TK_A_IGNORE_DEVICE:
+       case TK_A_STRING_ESCAPE_NONE:
+       case TK_A_STRING_ESCAPE_REPLACE:
+       case TK_A_LAST_RULE:
+       case TK_A_IGNORE_REMOVE:
+               dbg(rules->udev, "%s\n", token_str[type]);
+               break;
+       case TK_M_TEST:
+               dbg(rules->udev, "%s %s '%s'(%s) %#o\n",
+                   token_str[type], operation_str[op], value, string_glob_str[glob], token->key.mode);
+               break;
+       case TK_A_NUM_FAKE_PART:
+               dbg(rules->udev, "%s %u\n", token_str[type], token->key.num_fake_part);
+               break;
+       case TK_A_DEVLINK_PRIO:
+               dbg(rules->udev, "%s %s %u\n", token_str[type], operation_str[op], token->key.devlink_prio);
+               break;
+       case TK_A_OWNER_ID:
+               dbg(rules->udev, "%s %s %u\n", token_str[type], operation_str[op], token->key.uid);
+               break;
+       case TK_A_GROUP_ID:
+               dbg(rules->udev, "%s %s %u\n", token_str[type], operation_str[op], token->key.gid);
+               break;
+       case TK_A_MODE_ID:
+               dbg(rules->udev, "%s %s %#o\n", token_str[type], operation_str[op], token->key.mode);
+               break;
+       case TK_A_EVENT_TIMEOUT:
+               dbg(rules->udev, "%s %s %u\n", token_str[type], operation_str[op], token->key.event_timeout);
+               break;
+       case TK_A_GOTO:
+               dbg(rules->udev, "%s '%s' %u\n", token_str[type], value, token->key.rule_goto);
+               break;
+       case TK_END:
+               dbg(rules->udev, "* %s\n", token_str[type]);
+               break;
+       case TK_M_PARENTS_MIN:
+       case TK_M_PARENTS_MAX:
+       case TK_M_MAX:
+       case TK_UNSET:
+               dbg(rules->udev, "unknown type %u\n", type);
+               break;
+       }
+}
 
-       /* all key strings are copied to a single string buffer */
-       char *buf;
-       size_t buf_cur;
-       size_t buf_max;
-       unsigned int buf_count;
+static void dump_rules(struct udev_rules *rules)
+{
+       unsigned int i;
 
-       /* during rule parsing, we cache uid/gid lookup results */
-       struct uid_gid *uids;
-       unsigned int uids_cur;
-       unsigned int uids_max;
-       struct uid_gid *gids;
-       unsigned int gids_cur;
-       unsigned int gids_max;
-};
+       dbg(rules->udev, "dumping %u (%zu bytes) tokens, %u (%zu bytes) strings\n",
+           rules->token_cur,
+           rules->token_cur * sizeof(struct token),
+           rules->buf_count,
+           rules->buf_cur);
+       for(i = 0; i < rules->token_cur; i++)
+               dump_token(rules, &rules->tokens[i]);
+}
+#else
+static const char **operation_str;
+static const char **token_str;
+static inline void dump_token(struct udev_rules *rules, struct token *token) {}
+static inline void dump_rules(struct udev_rules *rules) {}
+#endif /* DEBUG */
 
 /* we could lookup and return existing strings, or tails of strings */
 static int add_string(struct udev_rules *rules, const char *str)
@@ -861,124 +979,6 @@ static int rule_add_key(struct rule_tmp *rule_tmp, enum token_type type,
        return 0;
 }
 
-#ifdef DEBUG
-static void dump_token(struct udev_rules *rules, struct token *token)
-{
-       enum token_type type = token->type;
-       enum operation_type op = token->key.op;
-       enum string_glob_type glob = token->key.glob;
-       const char *value = &rules->buf[token->key.value_off];
-       const char *attr = &rules->buf[token->key.attr_off];
-
-       switch (type) {
-       case TK_RULE:
-               {
-                       const char *tks_ptr = (char *)rules->tokens;
-                       const char *tk_ptr = (char *)token;
-                       unsigned int off = tk_ptr - tks_ptr;
-
-                       dbg(rules->udev, "* RULE %s:%u, off: %u(%u), next: %u, label: '%s', flags: 0x%02x\n",
-                           &rules->buf[token->rule.filename_off], token->rule.filename_line,
-                           off / (unsigned int) sizeof(struct token), off,
-                           token->rule.next_rule,
-                           &rules->buf[token->rule.label_off],
-                           token->rule.flags);
-                       break;
-               }
-       case TK_M_ACTION:
-       case TK_M_DEVPATH:
-       case TK_M_KERNEL:
-       case TK_M_SUBSYSTEM:
-       case TK_M_DRIVER:
-       case TK_M_WAITFOR:
-       case TK_M_DEVLINK:
-       case TK_M_NAME:
-       case TK_M_KERNELS:
-       case TK_M_SUBSYSTEMS:
-       case TK_M_DRIVERS:
-       case TK_M_PROGRAM:
-       case TK_M_IMPORT_FILE:
-       case TK_M_IMPORT_PROG:
-       case TK_M_IMPORT_PARENT:
-       case TK_M_RESULT:
-       case TK_A_NAME:
-       case TK_A_DEVLINK:
-       case TK_A_OWNER:
-       case TK_A_GROUP:
-       case TK_A_MODE:
-       case TK_A_RUN:
-               dbg(rules->udev, "%s %s '%s'(%s)\n",
-                   token_str[type], operation_str[op], value, string_glob_str[glob]);
-               break;
-       case TK_M_ATTR:
-       case TK_M_ATTRS:
-       case TK_M_ENV:
-       case TK_A_ATTR:
-       case TK_A_ENV:
-               dbg(rules->udev, "%s %s '%s' '%s'(%s)\n",
-                   token_str[type], operation_str[op], attr, value, string_glob_str[glob]);
-               break;
-       case TK_A_IGNORE_DEVICE:
-       case TK_A_STRING_ESCAPE_NONE:
-       case TK_A_STRING_ESCAPE_REPLACE:
-       case TK_A_LAST_RULE:
-       case TK_A_IGNORE_REMOVE:
-               dbg(rules->udev, "%s\n", token_str[type]);
-               break;
-       case TK_M_TEST:
-               dbg(rules->udev, "%s %s '%s'(%s) %#o\n",
-                   token_str[type], operation_str[op], value, string_glob_str[glob], token->key.mode);
-               break;
-       case TK_A_NUM_FAKE_PART:
-               dbg(rules->udev, "%s %u\n", token_str[type], token->key.num_fake_part);
-               break;
-       case TK_A_DEVLINK_PRIO:
-               dbg(rules->udev, "%s %s %u\n", token_str[type], operation_str[op], token->key.devlink_prio);
-               break;
-       case TK_A_OWNER_ID:
-               dbg(rules->udev, "%s %s %u\n", token_str[type], operation_str[op], token->key.uid);
-               break;
-       case TK_A_GROUP_ID:
-               dbg(rules->udev, "%s %s %u\n", token_str[type], operation_str[op], token->key.gid);
-               break;
-       case TK_A_MODE_ID:
-               dbg(rules->udev, "%s %s %#o\n", token_str[type], operation_str[op], token->key.mode);
-               break;
-       case TK_A_EVENT_TIMEOUT:
-               dbg(rules->udev, "%s %s %u\n", token_str[type], operation_str[op], token->key.event_timeout);
-               break;
-       case TK_A_GOTO:
-               dbg(rules->udev, "%s '%s' %u\n", token_str[type], value, token->key.rule_goto);
-               break;
-       case TK_END:
-               dbg(rules->udev, "* %s\n", token_str[type]);
-               break;
-       case TK_M_PARENTS_MIN:
-       case TK_M_PARENTS_MAX:
-       case TK_M_MAX:
-       case TK_UNSET:
-               dbg(rules->udev, "unknown type %u\n", type);
-               break;
-       }
-}
-
-static void dump_rules(struct udev_rules *rules)
-{
-       unsigned int i;
-
-       dbg(rules->udev, "dumping %u (%zu bytes) tokens, %u (%zu bytes) strings\n",
-           rules->token_cur,
-           rules->token_cur * sizeof(struct token),
-           rules->buf_count,
-           rules->buf_cur);
-       for(i = 0; i < rules->token_cur; i++)
-               dump_token(rules, &rules->tokens[i]);
-}
-#else
-static inline void dump_token(struct udev_rules *rules, struct token *token) {}
-static inline void dump_rules(struct udev_rules *rules) {}
-#endif /* DEBUG */
-
 static int sort_token(struct udev_rules *rules, struct rule_tmp *rule_tmp)
 {
        unsigned int i;