commit 7282213bd3aa1b21928e7d134180781158ebdb4b Author: Nick Mathewson nickm@torproject.org Date: Mon Sep 9 12:56:04 2019 -0400

Extract saved_location_to_string() from microdesc parsing.

We may be able to use this function in other places in the future; if so, we should move it to somewhere more useful.

Part of 31675. --- src/feature/dirparse/microdesc_parse.c | 43 +++++++++++++++++++++------------- 1 file changed, 27 insertions(+), 16 deletions(-)

diff --git a/src/feature/dirparse/microdesc_parse.c b/src/feature/dirparse/microdesc_parse.c index e02dfcf11..441c3bb83 100644 --- a/src/feature/dirparse/microdesc_parse.c +++ b/src/feature/dirparse/microdesc_parse.c @@ -98,6 +98,31 @@ policy_is_reject_star_or_null(struct short_policy_t *policy) return !policy || short_policy_is_reject_star(policy); }

+/** + * Return a human-readable description of a given saved_location_t. + * Never returns NULL. + **/ +static const char * +saved_location_to_string(saved_location_t where) +{ + const char *location; + switch (where) { + case SAVED_NOWHERE: + location = "download or generated string"; + break; + case SAVED_IN_CACHE: + location = "cache"; + break; + case SAVED_IN_JOURNAL: + location = "journal"; + break; + default: + location = "unknown location"; + break; + } + return location; +} + /** Parse as many microdescriptors as are found from the string starting at * <b>s</b> and ending at <b>eos</b>. If allow_annotations is set, read any * annotations we recognize and ignore ones we don't. @@ -166,22 +191,8 @@ microdescs_parse_from_string(const char *s, const char *eos,

if (tokenize_string(area, s, start_of_next_microdesc, tokens, microdesc_token_table, flags)) { - const char *location; - switch (where) { - case SAVED_NOWHERE: - location = "download or generated string"; - break; - case SAVED_IN_CACHE: - location = "cache"; - break; - case SAVED_IN_JOURNAL: - location = "journal"; - break; - default: - location = "unknown location"; - break; - } - log_warn(LD_DIR, "Unparseable microdescriptor found in %s", location); + log_warn(LD_DIR, "Unparseable microdescriptor found in %s", + saved_location_to_string(where)); goto next; }