To: vim_dev@googlegroups.com
Subject: Patch 7.3.1171
Fcc: outbox
From: Bram Moolenaar <Bram@moolenaar.net>
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------------
 
Patch 7.3.1171
Problem:    Check for digits and ascii letters can be faster.
Solution:   Use a trick with one comparison. (Dominique Pelle)
Files:	    src/macros.h
 
 
*** ../vim-7.3.1170/src/macros.h	2013-06-08 18:19:40.000000000 +0200
--- src/macros.h	2013-06-12 14:03:00.000000000 +0200
***************
*** 109,123 ****
  #else
  # define ASCII_ISALPHA(c) ((c) < 0x7f && isalpha(c))
  # define ASCII_ISALNUM(c) ((c) < 0x7f && isalnum(c))
! # define ASCII_ISLOWER(c) ((c) < 0x7f && islower(c))
! # define ASCII_ISUPPER(c) ((c) < 0x7f && isupper(c))
  #endif
  
  /* Use our own isdigit() replacement, because on MS-Windows isdigit() returns
   * non-zero for superscript 1.  Also avoids that isdigit() crashes for numbers
!  * below 0 and above 255.  For complicated arguments and in/decrement use
!  * vim_isdigit() instead. */
! #define VIM_ISDIGIT(c) ((c) >= '0' && (c) <= '9')
  
  /* macro version of chartab().
   * Only works with values 0-255!
--- 109,122 ----
  #else
  # define ASCII_ISALPHA(c) ((c) < 0x7f && isalpha(c))
  # define ASCII_ISALNUM(c) ((c) < 0x7f && isalnum(c))
! # define ASCII_ISLOWER(c) ((unsigned)(c) - 'a' < 26)
! # define ASCII_ISUPPER(c) ((unsigned)(c) - 'A' < 26)
  #endif
  
  /* Use our own isdigit() replacement, because on MS-Windows isdigit() returns
   * non-zero for superscript 1.  Also avoids that isdigit() crashes for numbers
!  * below 0 and above 255.  */
! #define VIM_ISDIGIT(c) ((unsigned)(c) - '0' < 10)
  
  /* macro version of chartab().
   * Only works with values 0-255!
*** ../vim-7.3.1170/src/version.c	2013-06-12 13:37:36.000000000 +0200
--- src/version.c	2013-06-12 14:09:00.000000000 +0200
***************
*** 730,731 ****
--- 730,733 ----
  {   /* Add new patch number below this line */
+ /**/
+     1171,
  /**/
 
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 /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net   \\\
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