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* src/cookies.c (cookie_header): Remove use of alloca

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This commit is contained in:
Tim Rühsen 2020-02-14 12:49:46 +01:00
parent d61d82c43c
commit 589b3743fa
1 changed files with 5 additions and 14 deletions
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19
src/cookies.c
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@ -728,17 +728,6 @@ check_path_match (const char *cookie_path, const char *path)
return path_matches (path, cookie_path) != 0;
}
/* Prepend '/' to string S. S is copied to fresh stack-allocated
space and its value is modified to point to the new location. */
#define PREPEND_SLASH(s) do { \
char *PS_newstr = (char *) alloca (1 + strlen (s) + 1); \
*PS_newstr = '/'; \
strcpy (PS_newstr + 1, s); \
s = PS_newstr; \
} while (0)
/* Process the HTTP `Set-Cookie' header. This results in storing the
cookie or discarding a matching one, or ignoring it completely, all
depending on the contents. */
@ -1065,7 +1054,7 @@ char *
cookie_header (struct cookie_jar *jar, const char *host,
int port, const char *path, bool secflag)
{
struct cookie **chains;
struct cookie *chains[32];
int chain_count;
struct cookie *cookie;
@ -1079,8 +1068,10 @@ cookie_header (struct cookie_jar *jar, const char *host,
/* Allocate room for find_chains_of_host to write to. The number of
chains can at most equal the number of subdomains, hence
1+<number of dots>. */
chains = alloca_array (struct cookie *, 1 + count_char (host, '.'));
1+<number of dots>. We ignore cookies with more than 32 labels. */
chain_count = 1 + count_char (host, '.');
if (chain_count > (int) countof (chains))
return NULL;
chain_count = find_chains_of_host (jar, host, chains);
/* No cookies for this host. */