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cleanup: add isascii()

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Add a standard definition of isascii() and use it to replace an open
coded high-bit test in pretty.c.  While we're there, write the ESC
char as the more commonly used '\033' instead of as 0x1b to enhance
its grepability.

Signed-off-by: Rene Scharfe <rene.scharfe@lsrfire.ath.cx>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
René Scharfe 2009-03-07 14:06:49 +01:00 committed by Junio C Hamano
parent 3d2d4f96d2
commit c2e9364a06
2 changed files with 3 additions and 2 deletions
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2
git-compat-util.h
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@ -319,6 +319,7 @@ static inline int has_extension(const char *filename, const char *ext)
}
/* Sane ctype - no locale, and works with signed chars */
#undef isascii
#undef isspace
#undef isdigit
#undef isalpha
@ -332,6 +333,7 @@ extern unsigned char sane_ctype[256];
#define GIT_GLOB_SPECIAL 0x08
#define GIT_REGEX_SPECIAL 0x10
#define sane_istest(x,mask) ((sane_ctype[(unsigned char)(x)] & (mask)) != 0)
#define isascii(x) (((x) & ~0x7f) == 0)
#define isspace(x) sane_istest(x,GIT_SPACE)
#define isdigit(x) sane_istest(x,GIT_DIGIT)
#define isalpha(x) sane_istest(x,GIT_ALPHA)

3
pretty.c
View File

@ -75,8 +75,7 @@ static int get_one_line(const char *msg)
/* High bit set, or ISO-2022-INT */
int non_ascii(int ch)
{
ch = (ch & 0xff);
return ((ch & 0x80) || (ch == 0x1b));
return !isascii(ch) || ch == '\033';
}
static int is_rfc2047_special(char ch)