static int glob2()

in openbsd-compat/glob.c [161:229]

• 62 lines of code
• 16 McCabe index (conditional complexity)

static int	 glob2(Char *, Char *, Char *, Char *, Char *, Char *,
		    glob_t *, struct glob_lim *);
static int	 glob3(Char *, Char *, Char *, Char *, Char *,
		    Char *, Char *, glob_t *, struct glob_lim *);
static int	 globextend(const Char *, glob_t *, struct glob_lim *,
		    struct stat *);
static const Char *
		 globtilde(const Char *, Char *, size_t, glob_t *);
static int	 globexp1(const Char *, glob_t *, struct glob_lim *);
static int	 globexp2(const Char *, const Char *, glob_t *,
		    struct glob_lim *);
static int	 match(Char *, Char *, Char *, int);
#ifdef DEBUG
static void	 qprintf(const char *, Char *);
#endif

int
glob(const char *pattern, int flags, int (*errfunc)(const char *, int),
    glob_t *pglob)
{
	const u_char *patnext;
	int c;
	Char *bufnext, *bufend, patbuf[MAXPATHLEN];
	struct glob_lim limit = { 0, 0, 0 };

	if (strnlen(pattern, PATH_MAX) == PATH_MAX)
		return(GLOB_NOMATCH);

	patnext = (u_char *) pattern;
	if (!(flags & GLOB_APPEND)) {
		pglob->gl_pathc = 0;
		pglob->gl_pathv = NULL;
		pglob->gl_statv = NULL;
		if (!(flags & GLOB_DOOFFS))
			pglob->gl_offs = 0;
	}
	pglob->gl_flags = flags & ~GLOB_MAGCHAR;
	pglob->gl_errfunc = errfunc;
	pglob->gl_matchc = 0;

	if (pglob->gl_offs < 0 || pglob->gl_pathc < 0 ||
	    pglob->gl_offs >= INT_MAX || pglob->gl_pathc >= INT_MAX ||
	    pglob->gl_pathc >= INT_MAX - pglob->gl_offs - 1)
		return GLOB_NOSPACE;

	bufnext = patbuf;
	bufend = bufnext + MAXPATHLEN - 1;
	if (flags & GLOB_NOESCAPE)
		while (bufnext < bufend && (c = *patnext++) != EOS)
			*bufnext++ = c;
	else {
		/* Protect the quoted characters. */
		while (bufnext < bufend && (c = *patnext++) != EOS)
			if (c == QUOTE) {
				if ((c = *patnext++) == EOS) {
					c = QUOTE;
					--patnext;
				}
				*bufnext++ = c | M_PROTECT;
			} else
				*bufnext++ = c;
	}
	*bufnext = EOS;

	if (flags & GLOB_BRACE)
		return globexp1(patbuf, pglob, &limit);
	else
		return glob0(patbuf, pglob, &limit);
}