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updated for version 7.3.1175

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Problem:    Using isalpha() and isalnum() can be slow.
Solution:   Use range checks. (Mike Williams)
This commit is contained in:
Bram Moolenaar
2013-06-12 17:12:24 +02:00
parent 81c40c507c
commit 2d473ab932
3 changed files with 10 additions and 8 deletions
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2
src/ex_docmd.c
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@@ -3120,7 +3120,7 @@ modifier_len(cmd)
for (j = 0; p[j] != NUL; ++j) for (j = 0; p[j] != NUL; ++j)
if (p[j] != cmdmods[i].name[j]) if (p[j] != cmdmods[i].name[j])
break; break;
if (!isalpha(p[j]) && j >= cmdmods[i].minlen if (!ASCII_ISALPHA(p[j]) && j >= cmdmods[i].minlen
&& (p == cmd || cmdmods[i].has_count)) && (p == cmd || cmdmods[i].has_count))
return j + (int)(p - cmd); return j + (int)(p - cmd);
} }

14
src/macros.h
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@@ -99,6 +99,11 @@
# define MB_TOUPPER(c) TOUPPER_LOC(c) # define MB_TOUPPER(c) TOUPPER_LOC(c)
#endif #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)
/* Like isalpha() but reject non-ASCII characters. Can't be used with a /* Like isalpha() but reject non-ASCII characters. Can't be used with a
* special key (negative value). */ * special key (negative value). */
#ifdef EBCDIC #ifdef EBCDIC
@@ -107,17 +112,12 @@
# define ASCII_ISLOWER(c) islower(c) # define ASCII_ISLOWER(c) islower(c)
# define ASCII_ISUPPER(c) isupper(c) # define ASCII_ISUPPER(c) isupper(c)
#else #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_ISLOWER(c) ((unsigned)(c) - 'a' < 26)
# define ASCII_ISUPPER(c) ((unsigned)(c) - 'A' < 26) # define ASCII_ISUPPER(c) ((unsigned)(c) - 'A' < 26)
# define ASCII_ISALPHA(c) (ASCII_ISUPPER(c) || ASCII_ISLOWER(c))
# define ASCII_ISALNUM(c) (ASCII_ISALPHA(c) || VIM_ISDIGIT(c))
#endif #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(). /* macro version of chartab().
* Only works with values 0-255! * Only works with values 0-255!
* Doesn't work for UTF-8 mode with chars >= 0x80. */ * Doesn't work for UTF-8 mode with chars >= 0x80. */

2
src/version.c
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@@ -728,6 +728,8 @@ static char *(features[]) =
static int included_patches[] = static int included_patches[] =
{ /* Add new patch number below this line */ { /* Add new patch number below this line */
/**/
1175,
/**/ /**/
1174, 1174,
/**/ /**/