Commit 3704c4a0 authored by cypherpunks's avatar cypherpunks
Browse files

string: add BOM helper

parent afc22ec5

src/lib/string/util_string.c

+13 −0
Original line number Diff line number Diff line
@@ -541,3 +541,16 @@ string_is_utf8(const char *str, size_t len) 
  }

  return true;

}



/** As string_is_utf8(), but returns false if the string begins with a UTF-8

 * byte order mark (BOM).

 */

int

string_is_utf8_no_bom(const char *str, size_t len)

{

  if (len >= 3 && (!strcmpstart(str, "\uFEFF") ||

                   !strcmpstart(str, "\uFFFE"))) {

    return false;

  }

  return string_is_utf8(str, len);

}

src/lib/string/util_string.h

+1 −0
Original line number Diff line number Diff line
@@ -53,5 +53,6 @@ const char *find_str_at_start_of_line(const char *haystack, 
int string_is_C_identifier(const char *string);



int string_is_utf8(const char *str, size_t len);

int string_is_utf8_no_bom(const char *str, size_t len);



#endif /* !defined(TOR_UTIL_STRING_H) */