urlmatch.hon commit tree-diff: avoid alloca for large allocations (b8ba412)
   1#ifndef URL_MATCH_H
   2#include "string-list.h"
   3
   4struct url_info {
   5        /* normalized url on success, must be freed, otherwise NULL */
   6        char *url;
   7        /* if !url, a brief reason for the failure, otherwise NULL */
   8        const char *err;
   9
  10        /* the rest of the fields are only set if url != NULL */
  11
  12        size_t url_len;         /* total length of url (which is now normalized) */
  13        size_t scheme_len;      /* length of scheme name (excluding final :) */
  14        size_t user_off;        /* offset into url to start of user name (0 => none) */
  15        size_t user_len;        /* length of user name; if user_off != 0 but
  16                                   user_len == 0, an empty user name was given */
  17        size_t passwd_off;      /* offset into url to start of passwd (0 => none) */
  18        size_t passwd_len;      /* length of passwd; if passwd_off != 0 but
  19                                   passwd_len == 0, an empty passwd was given */
  20        size_t host_off;        /* offset into url to start of host name (0 => none) */
  21        size_t host_len;        /* length of host name; this INCLUDES any ':portnum';
  22                                 * file urls may have host_len == 0 */
  23        size_t port_len;        /* if a portnum is present (port_len != 0), it has
  24                                 * this length (excluding the leading ':') at the
  25                                 * end of the host name (always 0 for file urls) */
  26        size_t path_off;        /* offset into url to the start of the url path;
  27                                 * this will always point to a '/' character
  28                                 * after the url has been normalized */
  29        size_t path_len;        /* length of path portion excluding any trailing
  30                                 * '?...' and '#...' portion; will always be >= 1 */
  31};
  32
  33extern char *url_normalize(const char *, struct url_info *);
  34
  35struct urlmatch_item {
  36        size_t matched_len;
  37        char user_matched;
  38};
  39
  40struct urlmatch_config {
  41        struct string_list vars;
  42        struct url_info url;
  43        const char *section;
  44        const char *key;
  45
  46        void *cb;
  47        int (*collect_fn)(const char *var, const char *value, void *cb);
  48        int (*cascade_fn)(const char *var, const char *value, void *cb);
  49};
  50
  51extern int urlmatch_config_entry(const char *var, const char *value, void *cb);
  52
  53#endif /* URL_MATCH_H */