On Thu, Jan 30, 2014 at 1:49 AM, Christian Couder
<chriscool@xxxxxxxxxxxxx> wrote:
> We will use a doubly linked list to store all information
> about trailers and their configuration.
>
> This way we can easily remove or add trailers to or from
> trailer lists while traversing the lists in either direction.
>
> Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx>
> ---
> diff --git a/trailer.c b/trailer.c
> new file mode 100644
> index 0000000..aed25e1
> --- /dev/null
> +++ b/trailer.c
> @@ -0,0 +1,48 @@
> +#include "cache.h"
> +/*
> + * Copyright (c) 2013 Christian Couder <chriscool@xxxxxxxxxxxxx>
> + */
> +
> +static int same_token(struct trailer_item *a, struct trailer_item *b, int alnum_len)
> +{
> + return !strncasecmp(a->token, b->token, alnum_len);
> +}
Maybe these functions defined in the header should all be 'static
inline' rather than just 'static'? Making them inline would be
consistent with functions defined in other git headers.
> +
> +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, int alnum_len)
> +{
> + return same_token(a, b, alnum_len) && same_value(a, b);
> +}
> +
> +/* Get the length of buf from its beginning until its last alphanumeric character */
> +static size_t alnum_len(const char *buf, size_t len)
> +{
> + while (--len >= 0 && !isalnum(buf[len]));
'len' has type size_t, which is unsigned, so the conditional '--len >=
0' will always be true (which will result in a crash if 'buf' contains
no alphanumerics).
> + return len + 1;
> +}
> --
> 1.8.5.2.201.gacc5987
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