diff options
Diffstat (limited to 'config.c')
-rw-r--r-- | config.c | 213 |
1 files changed, 110 insertions, 103 deletions
@@ -201,11 +201,105 @@ void git_config_push_parameter(const char *text) strbuf_release(&env); } +static inline int iskeychar(int c) +{ + return isalnum(c) || c == '-'; +} + +/* + * Auxiliary function to sanity-check and split the key into the section + * identifier and variable name. + * + * Returns 0 on success, -1 when there is an invalid character in the key and + * -2 if there is no section name in the key. + * + * store_key - pointer to char* which will hold a copy of the key with + * lowercase section and variable name + * baselen - pointer to int which will hold the length of the + * section + subsection part, can be NULL + */ +static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet) +{ + int i, dot, baselen; + const char *last_dot = strrchr(key, '.'); + + /* + * Since "key" actually contains the section name and the real + * key name separated by a dot, we have to know where the dot is. + */ + + if (last_dot == NULL || last_dot == key) { + if (!quiet) + error("key does not contain a section: %s", key); + return -CONFIG_NO_SECTION_OR_NAME; + } + + if (!last_dot[1]) { + if (!quiet) + error("key does not contain variable name: %s", key); + return -CONFIG_NO_SECTION_OR_NAME; + } + + baselen = last_dot - key; + if (baselen_) + *baselen_ = baselen; + + /* + * Validate the key and while at it, lower case it for matching. + */ + if (store_key) + *store_key = xmallocz(strlen(key)); + + dot = 0; + for (i = 0; key[i]; i++) { + unsigned char c = key[i]; + if (c == '.') + dot = 1; + /* Leave the extended basename untouched.. */ + if (!dot || i > baselen) { + if (!iskeychar(c) || + (i == baselen + 1 && !isalpha(c))) { + if (!quiet) + error("invalid key: %s", key); + goto out_free_ret_1; + } + c = tolower(c); + } else if (c == '\n') { + if (!quiet) + error("invalid key (newline): %s", key); + goto out_free_ret_1; + } + if (store_key) + (*store_key)[i] = c; + } + + return 0; + +out_free_ret_1: + if (store_key) { + free(*store_key); + *store_key = NULL; + } + return -CONFIG_INVALID_KEY; +} + +int git_config_parse_key(const char *key, char **store_key, int *baselen) +{ + return git_config_parse_key_1(key, store_key, baselen, 0); +} + +int git_config_key_is_valid(const char *key) +{ + return !git_config_parse_key_1(key, NULL, NULL, 1); +} + int git_config_parse_parameter(const char *text, config_fn_t fn, void *data) { const char *value; + char *canonical_name; struct strbuf **pair; + int ret; pair = strbuf_split_str(text, '=', 2); if (!pair[0]) @@ -223,13 +317,15 @@ int git_config_parse_parameter(const char *text, strbuf_list_free(pair); return error("bogus config parameter: %s", text); } - strbuf_tolower(pair[0]); - if (fn(pair[0]->buf, value, data) < 0) { - strbuf_list_free(pair); - return -1; + + if (git_config_parse_key(pair[0]->buf, &canonical_name, NULL)) { + ret = -1; + } else { + ret = (fn(canonical_name, value, data) < 0) ? -1 : 0; + free(canonical_name); } strbuf_list_free(pair); - return 0; + return ret; } int git_config_from_parameters(config_fn_t fn, void *data) @@ -356,11 +452,6 @@ static char *parse_value(void) } } -static inline int iskeychar(int c) -{ - return isalnum(c) || c == '-'; -} - static int get_value(config_fn_t fn, void *data, struct strbuf *name) { int c; @@ -1990,93 +2081,6 @@ void git_config_set(const char *key, const char *value) } /* - * Auxiliary function to sanity-check and split the key into the section - * identifier and variable name. - * - * Returns 0 on success, -1 when there is an invalid character in the key and - * -2 if there is no section name in the key. - * - * store_key - pointer to char* which will hold a copy of the key with - * lowercase section and variable name - * baselen - pointer to int which will hold the length of the - * section + subsection part, can be NULL - */ -static int git_config_parse_key_1(const char *key, char **store_key, int *baselen_, int quiet) -{ - int i, dot, baselen; - const char *last_dot = strrchr(key, '.'); - - /* - * Since "key" actually contains the section name and the real - * key name separated by a dot, we have to know where the dot is. - */ - - if (last_dot == NULL || last_dot == key) { - if (!quiet) - error("key does not contain a section: %s", key); - return -CONFIG_NO_SECTION_OR_NAME; - } - - if (!last_dot[1]) { - if (!quiet) - error("key does not contain variable name: %s", key); - return -CONFIG_NO_SECTION_OR_NAME; - } - - baselen = last_dot - key; - if (baselen_) - *baselen_ = baselen; - - /* - * Validate the key and while at it, lower case it for matching. - */ - if (store_key) - *store_key = xmallocz(strlen(key)); - - dot = 0; - for (i = 0; key[i]; i++) { - unsigned char c = key[i]; - if (c == '.') - dot = 1; - /* Leave the extended basename untouched.. */ - if (!dot || i > baselen) { - if (!iskeychar(c) || - (i == baselen + 1 && !isalpha(c))) { - if (!quiet) - error("invalid key: %s", key); - goto out_free_ret_1; - } - c = tolower(c); - } else if (c == '\n') { - if (!quiet) - error("invalid key (newline): %s", key); - goto out_free_ret_1; - } - if (store_key) - (*store_key)[i] = c; - } - - return 0; - -out_free_ret_1: - if (store_key) { - free(*store_key); - *store_key = NULL; - } - return -CONFIG_INVALID_KEY; -} - -int git_config_parse_key(const char *key, char **store_key, int *baselen) -{ - return git_config_parse_key_1(key, store_key, baselen, 0); -} - -int git_config_key_is_valid(const char *key) -{ - return !git_config_parse_key_1(key, NULL, NULL, 1); -} - -/* * If value==NULL, unset in (remove from) config, * if value_regex!=NULL, disregard key/value pairs where value does not match. * if value_regex==CONFIG_REGEX_NONE, do not match any existing values @@ -2536,11 +2540,10 @@ int parse_config_key(const char *var, const char **subsection, int *subsection_len, const char **key) { - int section_len = strlen(section); const char *dot; /* Does it start with "section." ? */ - if (!starts_with(var, section) || var[section_len] != '.') + if (!skip_prefix(var, section, &var) || *var != '.') return -1; /* @@ -2552,12 +2555,16 @@ int parse_config_key(const char *var, *key = dot + 1; /* Did we have a subsection at all? */ - if (dot == var + section_len) { - *subsection = NULL; - *subsection_len = 0; + if (dot == var) { + if (subsection) { + *subsection = NULL; + *subsection_len = 0; + } } else { - *subsection = var + section_len + 1; + if (!subsection) + return -1; + *subsection = var + 1; *subsection_len = dot - *subsection; } |