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MINOR: http: add http_hdr_del() to remove a header from a list

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This one removes all occurrences of the specified header field name from
a complete list and returns the new count.
This commit is contained in:
Willy Tarreau 2018-09-14 17:32:05 +02:00
parent c4e53f4ad7
commit e2c418e94b
1 changed files with 17 additions and 0 deletions
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17
include/common/http-hdr.h
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@ -47,4 +47,21 @@ static inline void http_set_hdr(struct http_hdr *hdr, const struct ist n, const
hdr->v = v; hdr->v = v;
} }
/* removes all occurrences of header name <n> in list <hdr> and returns the new count. The
* list must be terminated by the empty header.
*/
static inline int http_del_hdr(struct http_hdr *hdr, const struct ist n)
{
int src = 0, dst = 0;
do {
if (!isteqi(hdr[src].n, n)) {
if (src != dst)
hdr[dst] = hdr[src];
dst++;
}
} while (hdr[src++].n.len);
return dst;
}
#endif /* _COMMON_HTTP_HDR_H */ #endif /* _COMMON_HTTP_HDR_H */