From d62db0ebbc77f2a21da071ac033684411329d717 Mon Sep 17 00:00:00 2001 From: Florent Bruneau Date: Thu, 18 Sep 2008 22:57:52 +0200 Subject: [PATCH] Simplify code. Signed-off-by: Florent Bruneau --- postlicyd/config.c | 72 ++++++++++++++++++++++++++++------------------ 1 file changed, 44 insertions(+), 28 deletions(-) diff --git a/postlicyd/config.c b/postlicyd/config.c index 7ea485c..e971e15 100644 --- a/postlicyd/config.c +++ b/postlicyd/config.c @@ -158,6 +158,8 @@ static bool config_load(config_t *config) const char *p; int line = 0; const char *linep; + bool in_section = false; + bool end_of_section = false; char key[BUFSIZ]; char value[BUFSIZ]; @@ -171,10 +173,12 @@ static bool config_load(config_t *config) filter_init(&filter); linep = p = map.map; +#define READ_LOG(Lev, Fmt, ...) \ + syslog(LOG_ ## Lev, "config file %s:%d:%d: " Fmt, config->filename, \ + line + 1, p - linep + 1, ##__VA_ARGS__) #define READ_ERROR(Fmt, ...) \ do { \ - syslog(LOG_ERR, "config file %s:%d:%d: " Fmt, config->filename, \ - line + 1, p - linep + 1, ##__VA_ARGS__); \ + READ_LOG(ERR, Fmt, ##__VA_ARGS__); \ goto error; \ } while (0) #define ADD_IN_BUFFER(Buffer, Len, Char) \ @@ -185,17 +189,23 @@ static bool config_load(config_t *config) (Buffer)[(Len)++] = (Char); \ (Buffer)[(Len)] = '\0'; \ } while (0) -#define READ_NEXT(OnEOF) \ +#define READ_NEXT \ do { \ if (*p == '\n') { \ ++line; \ linep = p + 1; \ } \ if (++p >= map.end) { \ - OnEOF; \ + if (!end_of_section) { \ + if (in_section) { \ + goto badeof; \ + } else { \ + goto ok; \ + } \ + } \ } \ } while (0) -#define READ_BLANK(OnEOF) \ +#define READ_BLANK \ do { \ bool in_comment = false; \ while (in_comment || isspace(*p) || *p == '#') { \ @@ -204,7 +214,7 @@ static bool config_load(config_t *config) } else if (*p == '#') { \ in_comment = true; \ } \ - READ_NEXT(OnEOF); \ + READ_NEXT; \ } \ } while (0) #define READ_TOKEN(Name, Buffer, Len) \ @@ -216,17 +226,17 @@ static bool config_load(config_t *config) } \ do { \ ADD_IN_BUFFER(Buffer, Len, *p); \ - READ_NEXT(goto badeof); \ + READ_NEXT; \ } while (isalnum(*p) || *p == '_'); \ } while (0) -#define READ_STRING(Name, Buffer, Len, OnEOF) \ +#define READ_STRING(Name, Buffer, Len, Ignore) \ do { \ (Len) = 0; \ (Buffer)[0] = '\0'; \ if (*p == '"') { \ bool escaped = false; \ while (*p == '"') { \ - READ_NEXT(goto badeof); \ + READ_NEXT; \ while (true) { \ if (*p == '\n') { \ READ_ERROR("string must not contain EOL"); \ @@ -236,14 +246,14 @@ static bool config_load(config_t *config) } else if (*p == '\\') { \ escaped = true; \ } else if (*p == '"') { \ - READ_NEXT(goto badeof); \ + READ_NEXT; \ break; \ } else { \ ADD_IN_BUFFER(Buffer, Len, *p); \ } \ - READ_NEXT(goto badeof); \ + READ_NEXT; \ } \ - READ_BLANK(goto badeof); \ + READ_BLANK; \ } \ if (*p != ';') { \ READ_ERROR("%s must end with a ';'", Name); \ @@ -253,7 +263,7 @@ static bool config_load(config_t *config) while (*p != ';' && isascii(*p) && (isprint(*p) || isspace(*p))) { \ if (escaped) { \ if (*p == '\r' || *p == '\n') { \ - READ_BLANK(goto badeof); \ + READ_BLANK; \ } else { \ ADD_IN_BUFFER(Buffer, Len, '\\'); \ } \ @@ -266,7 +276,7 @@ static bool config_load(config_t *config) } else { \ ADD_IN_BUFFER(Buffer, Len, *p); \ } \ - READ_NEXT(goto badeof); \ + READ_NEXT; \ } \ if (escaped) { \ ADD_IN_BUFFER(Buffer, Len, '\\'); \ @@ -275,7 +285,8 @@ static bool config_load(config_t *config) (Buffer)[--(Len)] = '\0'; \ } \ } \ - READ_NEXT(OnEOF); \ + end_of_section = Ignore; \ + READ_NEXT; \ } while(0) @@ -287,23 +298,25 @@ read_section: value[0] = key[0] = '\0'; value_len = key_len = 0; - READ_BLANK(goto ok); + in_section = end_of_section = false; + READ_BLANK; + in_section = true; READ_TOKEN("section name", key, key_len); - READ_BLANK(goto badeof); + READ_BLANK; switch (*p) { case '=': - READ_NEXT(goto badeof); + READ_NEXT; goto read_param_value; case '{': - READ_NEXT(goto badeof); + READ_NEXT; goto read_filter; default: READ_ERROR("invalid character '%c', expected '=' or '{'", *p); } read_param_value: - READ_BLANK(goto badeof); - READ_STRING("parameter value", value, value_len, ;); + READ_BLANK; + READ_STRING("parameter value", value, value_len, true); { filter_param_t param; param.type = param_tokenize(key, key_len); @@ -311,23 +324,25 @@ read_param_value: param.value = p_dupstr(value, value_len); param.value_len = value_len; array_add(config->params, param); + } else { + READ_LOG(INFO, "unknown parameter %.*s", key_len, key); } } goto read_section; read_filter: filter_set_name(&filter, key, key_len); - READ_BLANK(goto badeof); + READ_BLANK; while (*p != '}') { READ_TOKEN("filter parameter name", key, key_len); - READ_BLANK(goto badeof); + READ_BLANK; if (*p != '=') { READ_ERROR("invalid character '%c', expected '='", *p); } - READ_NEXT(goto badeof); - READ_BLANK(goto badeof); - READ_STRING("filter parameter value", value, value_len, goto badeof); - READ_BLANK(goto badeof); + READ_NEXT; + READ_BLANK; + READ_STRING("filter parameter value", value, value_len, false); + READ_BLANK; if (strcmp(key, "type") == 0) { if (!filter_set_type(&filter, value, value_len)) { READ_ERROR("unknow filter type (%s) for filter %s", @@ -346,7 +361,8 @@ read_filter: (void)filter_add_param(&filter, key, key_len, value, value_len); } } - READ_NEXT(;); + end_of_section = true; + READ_NEXT; if (!filter_build(&filter)) { READ_ERROR("invalid filter %s", filter.name); } -- 2.20.1