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blob df06bcbe14d6bf91bb2082d7cc8940c3c111d95b 1934 bytes (raw)
name: sane-ctype.h 	 # note: path name is non-authoritative(*)

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#ifndef SANE_CTYPE_H
#define SANE_CTYPE_H

/* in ctype.c, for kwset users */
extern const unsigned char tolower_trans_tbl[256];

/* Sane ctype - no locale, and works with signed chars */
#undef isascii
#undef isspace
#undef isdigit
#undef isalpha
#undef isalnum
#undef isprint
#undef islower
#undef isupper
#undef tolower
#undef toupper
#undef iscntrl
#undef ispunct
#undef isxdigit

extern const unsigned char sane_ctype[256];
extern const signed char hexval_table[256];
#define GIT_SPACE 0x01
#define GIT_DIGIT 0x02
#define GIT_ALPHA 0x04
#define GIT_GLOB_SPECIAL 0x08
#define GIT_REGEX_SPECIAL 0x10
#define GIT_PATHSPEC_MAGIC 0x20
#define GIT_CNTRL 0x40
#define GIT_PUNCT 0x80
#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)
#define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT)
#define isprint(x) ((x) >= 0x20 && (x) <= 0x7e)
#define islower(x) sane_iscase(x, 1)
#define isupper(x) sane_iscase(x, 0)
#define is_glob_special(x) sane_istest(x,GIT_GLOB_SPECIAL)
#define is_regex_special(x) sane_istest(x,GIT_GLOB_SPECIAL | GIT_REGEX_SPECIAL)
#define iscntrl(x) (sane_istest(x,GIT_CNTRL))
#define ispunct(x) sane_istest(x, GIT_PUNCT | GIT_REGEX_SPECIAL | \
		GIT_GLOB_SPECIAL | GIT_PATHSPEC_MAGIC)
#define isxdigit(x) (hexval_table[(unsigned char)(x)] != -1)
#define tolower(x) sane_case((unsigned char)(x), 0x20)
#define toupper(x) sane_case((unsigned char)(x), 0)
#define is_pathspec_magic(x) sane_istest(x,GIT_PATHSPEC_MAGIC)

static inline int sane_case(int x, int high)
{
	if (sane_istest(x, GIT_ALPHA))
		x = (x & ~0x20) | high;
	return x;
}

static inline int sane_iscase(int x, int is_lower)
{
	if (!sane_istest(x, GIT_ALPHA))
		return 0;

	if (is_lower)
		return (x & 0x20) != 0;
	else
		return (x & 0x20) == 0;
}

#endif

debug log:

solving df06bcbe14 ...
found df06bcbe14 in https://80x24.org/lore/git/20230523192949.1271671-3-calvinwan@google.com/

applying [1/1] https://80x24.org/lore/git/20230523192949.1271671-3-calvinwan@google.com/
diff --git a/sane-ctype.h b/sane-ctype.h
new file mode 100644
index 0000000000..df06bcbe14

Checking patch sane-ctype.h...
Applied patch sane-ctype.h cleanly.

index at:
100644 df06bcbe14d6bf91bb2082d7cc8940c3c111d95b	sane-ctype.h

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    Blobs themselves have no identifier aside from the hash of its contents.^

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