diff options
Diffstat (limited to 'config.c')
| -rw-r--r-- | config.c | 81 |
1 files changed, 60 insertions, 21 deletions
@@ -333,7 +333,7 @@ static int git_parse_file(config_fn_t fn, void *data) die("bad config file line %d in %s", cf->linenr, cf->name); } -static int parse_unit_factor(const char *end, unsigned long *val) +static int parse_unit_factor(const char *end, uintmax_t *val) { if (!*end) return 1; @@ -356,11 +356,23 @@ static int git_parse_long(const char *value, long *ret) { if (value && *value) { char *end; - long val = strtol(value, &end, 0); - unsigned long factor = 1; + intmax_t val; + uintmax_t uval; + uintmax_t factor = 1; + + errno = 0; + val = strtoimax(value, &end, 0); + if (errno == ERANGE) + return 0; if (!parse_unit_factor(end, &factor)) return 0; - *ret = val * factor; + uval = abs(val); + uval *= factor; + if ((uval > maximum_signed_value_of_type(long)) || + (abs(val) > uval)) + return 0; + val *= factor; + *ret = val; return 1; } return 0; @@ -370,9 +382,19 @@ int git_parse_ulong(const char *value, unsigned long *ret) { if (value && *value) { char *end; - unsigned long val = strtoul(value, &end, 0); + uintmax_t val; + uintmax_t oldval; + + errno = 0; + val = strtoumax(value, &end, 0); + if (errno == ERANGE) + return 0; + oldval = val; if (!parse_unit_factor(end, &val)) return 0; + if ((val > maximum_unsigned_value_of_type(long)) || + (oldval > val)) + return 0; *ret = val; return 1; } @@ -553,7 +575,7 @@ static int git_default_core_config(const char *var, const char *value) if (!strcmp(var, "core.packedgitwindowsize")) { int pgsz_x2 = getpagesize() * 2; - packed_git_window_size = git_config_int(var, value); + packed_git_window_size = git_config_ulong(var, value); /* This value must be multiple of (pagesize * 2) */ packed_git_window_size /= pgsz_x2; @@ -564,18 +586,17 @@ static int git_default_core_config(const char *var, const char *value) } if (!strcmp(var, "core.bigfilethreshold")) { - long n = git_config_int(var, value); - big_file_threshold = 0 < n ? n : 0; + big_file_threshold = git_config_ulong(var, value); return 0; } if (!strcmp(var, "core.packedgitlimit")) { - packed_git_limit = git_config_int(var, value); + packed_git_limit = git_config_ulong(var, value); return 0; } if (!strcmp(var, "core.deltabasecachelimit")) { - delta_base_cache_limit = git_config_int(var, value); + delta_base_cache_limit = git_config_ulong(var, value); return 0; } @@ -865,12 +886,12 @@ int git_config_early(config_fn_t fn, void *data, const char *repo_config) home = getenv("HOME"); if (home) { - char *user_config = xstrdup(mkpath("%s/.gitconfig", home)); + char buf[PATH_MAX]; + char *user_config = mksnpath(buf, sizeof(buf), "%s/.gitconfig", home); if (!access(user_config, R_OK)) { ret += git_config_from_file(fn, user_config, data); found += 1; } - free(user_config); } if (repo_config && !access(repo_config, R_OK)) { @@ -1098,6 +1119,12 @@ contline: return offset; } +int git_config_set_in_file(const char *config_filename, + const char *key, const char *value) +{ + return git_config_set_multivar_in_file(config_filename, key, value, NULL, 0); +} + int git_config_set(const char *key, const char *value) { return git_config_set_multivar(key, value, NULL, 0); @@ -1195,19 +1222,14 @@ out_free_ret_1: * - the config file is removed and the lock file rename()d to it. * */ -int git_config_set_multivar(const char *key, const char *value, - const char *value_regex, int multi_replace) +int git_config_set_multivar_in_file(const char *config_filename, + const char *key, const char *value, + const char *value_regex, int multi_replace) { int fd = -1, in_fd; int ret; - char *config_filename; struct lock_file *lock = NULL; - if (config_exclusive_filename) - config_filename = xstrdup(config_exclusive_filename); - else - config_filename = git_pathdup("config"); - /* parse-key returns negative; flip the sign to feed exit(3) */ ret = 0 - git_config_parse_key(key, &store.key, &store.baselen); if (ret) @@ -1384,7 +1406,6 @@ int git_config_set_multivar(const char *key, const char *value, out_free: if (lock) rollback_lock_file(lock); - free(config_filename); return ret; write_err_out: @@ -1393,6 +1414,24 @@ write_err_out: } +int git_config_set_multivar(const char *key, const char *value, + const char *value_regex, int multi_replace) +{ + const char *config_filename; + char *buf = NULL; + int ret; + + if (config_exclusive_filename) + config_filename = config_exclusive_filename; + else + config_filename = buf = git_pathdup("config"); + + ret = git_config_set_multivar_in_file(config_filename, key, value, + value_regex, multi_replace); + free(buf); + return ret; +} + static int section_name_match (const char *buf, const char *name) { int i = 0, j = 0, dot = 0; |