diff options
| -rw-r--r-- | Makefile | 1 | ||||
| -rw-r--r-- | trailer.c | 69 |
2 files changed, 70 insertions, 0 deletions
@@ -763,6 +763,7 @@ LIB_OBJS += submodule.o LIB_OBJS += symlinks.o LIB_OBJS += tag.o LIB_OBJS += trace.o +LIB_OBJS += trailer.o LIB_OBJS += transport.o LIB_OBJS += transport-helper.o LIB_OBJS += tree-diff.o diff --git a/trailer.c b/trailer.c new file mode 100644 index 000000000..ac323b120 --- /dev/null +++ b/trailer.c @@ -0,0 +1,69 @@ +#include "cache.h" +/* + * Copyright (c) 2013, 2014 Christian Couder <chriscool@tuxfamily.org> + */ + +enum action_where { WHERE_END, WHERE_AFTER, WHERE_BEFORE, WHERE_START }; +enum action_if_exists { EXISTS_ADD_IF_DIFFERENT_NEIGHBOR, EXISTS_ADD_IF_DIFFERENT, + EXISTS_ADD, EXISTS_REPLACE, EXISTS_DO_NOTHING }; +enum action_if_missing { MISSING_ADD, MISSING_DO_NOTHING }; + +struct conf_info { + char *name; + char *key; + char *command; + enum action_where where; + enum action_if_exists if_exists; + enum action_if_missing if_missing; +}; + +static struct conf_info default_conf_info; + +struct trailer_item { + struct trailer_item *previous; + struct trailer_item *next; + const char *token; + const char *value; + struct conf_info conf; +}; + +static struct trailer_item *first_conf_item; + +static char *separators = ":"; + +static int after_or_end(enum action_where where) +{ + return (where == WHERE_AFTER) || (where == WHERE_END); +} + +/* + * Return the length of the string not including any final + * punctuation. E.g., the input "Signed-off-by:" would return + * 13, stripping the trailing punctuation but retaining + * internal punctuation. + */ +static size_t token_len_without_separator(const char *token, size_t len) +{ + while (len > 0 && !isalnum(token[len - 1])) + len--; + return len; +} + +static int same_token(struct trailer_item *a, struct trailer_item *b) +{ + size_t a_len = token_len_without_separator(a->token, strlen(a->token)); + size_t b_len = token_len_without_separator(b->token, strlen(b->token)); + size_t min_len = (a_len > b_len) ? b_len : a_len; + + return !strncasecmp(a->token, b->token, min_len); +} + +static int same_value(struct trailer_item *a, struct trailer_item *b) +{ + return !strcasecmp(a->value, b->value); +} + +static int same_trailer(struct trailer_item *a, struct trailer_item *b) +{ + return same_token(a, b) && same_value(a, b); +} |