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fnmatch.c File Reference

Go to the source code of this file.

Functions
char *	getenv ()
int internal_function	internal_fnmatch (const char *pattern, const char *string, int no_leading_period, int flags)
int	fnmatch (pattern, string, flags) const char *pattern
Variables
int	errno
const char *	string
int	flags

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Function Documentation

char* getenv (    )

Referenced by add_cvs_excludes(), auth_client(), do_cmd(), get_panic_action(), getpassf(), internal_fnmatch(), open_socket_out(), open_socket_out_wrapped(), and start_socket_client().

int internal_function internal_fnmatch (  const char *    pattern, const char *    string, int    no_leading_period, int    flags )  [static]

Definition at line 144 of file fnmatch.c. References flags, getenv(), and string. { register const char *p = pattern, *n = string; register unsigned char c; /* Note that this evaluates C many times. */ # ifdef _LIBC # define FOLD(c) ((flags & FNM_CASEFOLD) ? tolower (c) : (c)) # else # define FOLD(c) ((flags & FNM_CASEFOLD) && ISUPPER (c) ? tolower (c) : (c)) # endif while ((c = *p++) != '\0') { c = FOLD (c); switch (c) { case '?': if (*n == '\0') return FNM_NOMATCH; else if (*n == '/' && (flags & FNM_FILE_NAME)) return FNM_NOMATCH; else if (*n == '.' && no_leading_period && (n == string || (n[-1] == '/' && (flags & FNM_FILE_NAME)))) return FNM_NOMATCH; break; case '\\': if (!(flags & FNM_NOESCAPE)) { c = *p++; if (c == '\0') /* Trailing \ loses. */ return FNM_NOMATCH; c = FOLD (c); } if (FOLD ((unsigned char) *n) != c) return FNM_NOMATCH; break; case '*': if (*n == '.' && no_leading_period && (n == string || (n[-1] == '/' && (flags & FNM_FILE_NAME)))) return FNM_NOMATCH; for (c = *p++; c == '?' || c == '*'; c = *p++) { if (*n == '/' && (flags & FNM_FILE_NAME)) /* A slash does not match a wildcard under FNM_FILE_NAME. */ return FNM_NOMATCH; else if (c == '?') { /* A ? needs to match one character. */ if (*n == '\0') /* There isn't another character; no match. */ return FNM_NOMATCH; else /* One character of the string is consumed in matching this ? wildcard, so *??? won't match if there are less than three characters. */ ++n; } } if (c == '\0') /* The wildcard(s) is/are the last element of the pattern. If the name is a file name and contains another slash this does mean it cannot match. */ return ((flags & FNM_FILE_NAME) && strchr (n, '/') != NULL ? FNM_NOMATCH : 0); else { const char *endp; #if 0 endp = __strchrnul (n, (flags & FNM_FILE_NAME) ? '/' : '\0'); #else /* replace call to internal glibc function with equivalent */ if (!(flags & FNM_FILE_NAME) || ((endp = strchr(n, '/')) == NULL)) endp = n + strlen(n); #endif if (c == '[') { int flags2 = ((flags & FNM_FILE_NAME) ? flags : (flags & ~FNM_PERIOD)); for (--p; n < endp; ++n) if (internal_fnmatch (p, n, (no_leading_period && (n == string || (n[-1] == '/' && (flags & FNM_FILE_NAME)))), flags2) == 0) return 0; } else if (c == '/' && (flags & FNM_FILE_NAME)) { while (*n != '\0' && *n != '/') ++n; if (*n == '/' && (internal_fnmatch (p, n + 1, flags & FNM_PERIOD, flags) == 0)) return 0; } else { int flags2 = ((flags & FNM_FILE_NAME) ? flags : (flags & ~FNM_PERIOD)); if (c == '\\' && !(flags & FNM_NOESCAPE)) c = *p; c = FOLD (c); for (--p; n < endp; ++n) if (FOLD ((unsigned char) *n) == c && (internal_fnmatch (p, n, (no_leading_period && (n == string || (n[-1] == '/' && (flags & FNM_FILE_NAME)))), flags2) == 0)) return 0; } } /* If we come here no match is possible with the wildcard. */ return FNM_NOMATCH; case '[': { /* Nonzero if the sense of the character class is inverted. */ static int posixly_correct; register int not; char cold; if (posixly_correct == 0) posixly_correct = getenv ("POSIXLY_CORRECT") != NULL ? 1 : -1; if (*n == '\0') return FNM_NOMATCH; if (*n == '.' && no_leading_period && (n == string || (n[-1] == '/' && (flags & FNM_FILE_NAME)))) return FNM_NOMATCH; if (*n == '/' && (flags & FNM_FILE_NAME)) /* `/' cannot be matched. */ return FNM_NOMATCH; not = (*p == '!' || (posixly_correct < 0 && *p == '^')); if (not) ++p; c = *p++; for (;;) { unsigned char fn = FOLD ((unsigned char) *n); if (!(flags & FNM_NOESCAPE) && c == '\\') { if (*p == '\0') return FNM_NOMATCH; c = FOLD ((unsigned char) *p); ++p; if (c == fn) goto matched; } else if (c == '[' && *p == ':') { /* Leave room for the null. */ char str[CHAR_CLASS_MAX_LENGTH + 1]; size_t c1 = 0; # if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H) wctype_t wt; # endif const char *startp = p; for (;;) { if (c1 == CHAR_CLASS_MAX_LENGTH) /* The name is too long and therefore the pattern is ill-formed. */ return FNM_NOMATCH; c = *++p; if (c == ':' && p[1] == ']') { p += 2; break; } if (c < 'a' || c >= 'z') { /* This cannot possibly be a character class name. Match it as a normal range. */ p = startp; c = '['; goto normal_bracket; } str[c1++] = c; } str[c1] = '\0'; # if defined _LIBC || (defined HAVE_WCTYPE_H && defined HAVE_WCHAR_H) wt = IS_CHAR_CLASS (str); if (wt == 0) /* Invalid character class name. */ return FNM_NOMATCH; if (__iswctype (__btowc ((unsigned char) *n), wt)) goto matched; # else if ((STREQ (str, "alnum") && ISALNUM ((unsigned char) *n)) || (STREQ (str, "alpha") && ISALPHA ((unsigned char) *n)) || (STREQ (str, "blank") && ISBLANK ((unsigned char) *n)) || (STREQ (str, "cntrl") && ISCNTRL ((unsigned char) *n)) || (STREQ (str, "digit") && ISDIGIT ((unsigned char) *n)) || (STREQ (str, "graph") && ISGRAPH ((unsigned char) *n)) || (STREQ (str, "lower") && ISLOWER ((unsigned char) *n)) || (STREQ (str, "print") && ISPRINT ((unsigned char) *n)) || (STREQ (str, "punct") && ISPUNCT ((unsigned char) *n)) || (STREQ (str, "space") && ISSPACE ((unsigned char) *n)) || (STREQ (str, "upper") && ISUPPER ((unsigned char) *n)) || (STREQ (str, "xdigit") && ISXDIGIT ((unsigned char) *n))) goto matched; # endif } else if (c == '\0') /* [ (unterminated) loses. */ return FNM_NOMATCH; else { normal_bracket: if (FOLD (c) == fn) goto matched; cold = c; c = *p++; if (c == '-' && *p != ']') { /* It is a range. */ unsigned char cend = *p++; if (!(flags & FNM_NOESCAPE) && cend == '\\') cend = *p++; if (cend == '\0') return FNM_NOMATCH; if (cold <= fn && fn <= FOLD (cend)) goto matched; c = *p++; } } if (c == ']') break; } if (!not) return FNM_NOMATCH; break; matched: /* Skip the rest of the [...] that already matched. */ while (c != ']') { if (c == '\0') /* [... (unterminated) loses. */ return FNM_NOMATCH; c = *p++; if (!(flags & FNM_NOESCAPE) && c == '\\') { if (*p == '\0') return FNM_NOMATCH; /* XXX 1003.2d11 is unclear if this is right. */ ++p; } else if (c == '[' && *p == ':') { do if (*++p == '\0') return FNM_NOMATCH; while (*p != ':' || p[1] == ']'); p += 2; c = *p; } } if (not) return FNM_NOMATCH; } break; default: if (c != FOLD ((unsigned char) *n)) return FNM_NOMATCH; } ++n; } if (*n == '\0') return 0; if ((flags & FNM_LEADING_DIR) && *n == '/') /* The FNM_LEADING_DIR flag says that "foo*" matches "foobar/frobozz". */ return 0; return FNM_NOMATCH; # undef FOLD }

int fnmatch (  pattern   , string   , flags    )  const

Referenced by auth_server(), check_one_exclude(), make_exclude(), match_hostname(), and set_compression().

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Variable Documentation

int errno

Definition at line 135 of file fnmatch.c.

const char* string

Definition at line 471 of file fnmatch.c. Referenced by internal_fnmatch().

int flags

Definition at line 472 of file fnmatch.c. Referenced by internal_fnmatch().

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