Commit b2cc52fa authored by Nick Mathewson's avatar Nick Mathewson 🦀
Browse files

Speed up eat_whitespace by a lot. 

svn:r8434
parent 6b716fdf

ChangeLog

+1 −1
Original line number Diff line number Diff line
@@ -6,7 +6,7 @@ Changes in version 0.1.2.2-alpha - 2006-??-?? 
      one.



  o Minor Bugfixes

    - Small performance improvements on parsing descriptors.

    - Small performance improvements on parsing descriptors (x2).

    - Major performance descriptor on inserting descriptors; change

      algorithm from O(n^2) to O(n).

    - Make the common memory allocation path faster on machines where

src/common/util.c

+14 −8
Original line number Diff line number Diff line
@@ -413,17 +413,23 @@ eat_whitespace(const char *s) 
{

  tor_assert(s);



  while (TOR_ISSPACE(*s) || *s == '#') {

    while (TOR_ISSPACE(*s))

      s++;

    if (*s == '#') { /* read to a \n or \0 */

      while (*s && *s != '\n')

        s++;

      if (!*s)

  while (1) {

    switch (*s) {

    case '\0':

    default:

      return s;

    case ' ':

    case '\t':

    case '\n':

    case '\r':

      ++s;

      break;

    case '#':

      ++s;

      while (*s && *s != '\n')

        ++s;

    }

  }

  return s;

}



/** Return a pointer to the first char of s that is not a space or a tab,