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70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
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#include "cache.h"
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/*
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* Copyright (c) 2013, 2014 Christian Couder <chriscool@tuxfamily.org>
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*/
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enum action_where { WHERE_END, WHERE_AFTER, WHERE_BEFORE, WHERE_START };
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enum action_if_exists { EXISTS_ADD_IF_DIFFERENT_NEIGHBOR, EXISTS_ADD_IF_DIFFERENT,
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EXISTS_ADD, EXISTS_REPLACE, EXISTS_DO_NOTHING };
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enum action_if_missing { MISSING_ADD, MISSING_DO_NOTHING };
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struct conf_info {
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char *name;
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char *key;
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char *command;
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enum action_where where;
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enum action_if_exists if_exists;
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enum action_if_missing if_missing;
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};
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static struct conf_info default_conf_info;
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struct trailer_item {
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struct trailer_item *previous;
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struct trailer_item *next;
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const char *token;
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const char *value;
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struct conf_info conf;
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};
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static struct trailer_item *first_conf_item;
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static char *separators = ":";
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static int after_or_end(enum action_where where)
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{
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return (where == WHERE_AFTER) || (where == WHERE_END);
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}
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/*
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* Return the length of the string not including any final
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* punctuation. E.g., the input "Signed-off-by:" would return
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* 13, stripping the trailing punctuation but retaining
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* internal punctuation.
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*/
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static size_t token_len_without_separator(const char *token, size_t len)
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{
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while (len > 0 && !isalnum(token[len - 1]))
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len--;
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return len;
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}
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static int same_token(struct trailer_item *a, struct trailer_item *b)
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{
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size_t a_len = token_len_without_separator(a->token, strlen(a->token));
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size_t b_len = token_len_without_separator(b->token, strlen(b->token));
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size_t min_len = (a_len > b_len) ? b_len : a_len;
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return !strncasecmp(a->token, b->token, min_len);
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}
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static int same_value(struct trailer_item *a, struct trailer_item *b)
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{
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return !strcasecmp(a->value, b->value);
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}
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static int same_trailer(struct trailer_item *a, struct trailer_item *b)
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{
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return same_token(a, b) && same_value(a, b);
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}
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