lib/roken/vis.c

130 #define MAKEEXTRALIST(flag, extra, orig_str)				      \
137 	extra = malloc((size_t)((o - orig) + MAXEXTRAS));		      \
138 	if (!extra) break;						      \
139 	for (o = orig, e = extra; (*e++ = *o++) != '\0';)		      \
153 do_hvis(char *dst, int c, int flag, int nextc, const char *extra)
160 		dst = do_svis(dst, c, flag, nextc, extra);
171  * extra:     Pointer to the list of extra characters to be
175 do_svis(char *dst, int c, int flag, int nextc, const char *extra)
178 	isextra = strchr(extra, c) != NULL;
250  *	  pointed to by `extra'
253 rk_svis(char *dst, int c, int flag, int nextc, const char *extra)
258 	_DIAGASSERT(extra != NULL);
259 	MAKEEXTRALIST(flag, nextra, extra);
291 rk_strsvis(char *dst, const char *csrc, int flag, const char *extra)
300 	_DIAGASSERT(extra != NULL);
301 	MAKEEXTRALIST(flag, nextra, extra);
320 rk_strsvisx(char *dst, const char *csrc, size_t len, int flag, const char *extra)
329 	_DIAGASSERT(extra != NULL);
330 	MAKEEXTRALIST(flag, nextra, extra);
360 	char *extra = NULL;
365 	MAKEEXTRALIST(flag, extra, "");
366 	if (! extra) {
367 		*dst = '\0';		/* can't create extra, return "" */
371 		dst = do_hvis(dst, uc, flag, nextc, extra);
373 		dst = do_svis(dst, uc, flag, nextc, extra);
374 	free(extra);
393 	char *extra = NULL;
396 	MAKEEXTRALIST(flag, extra, "");
397 	if (!extra) {
398 		*dst = '\0';		/* can't create extra, return "" */
401 	rv = strsvis(dst, src, flag, extra);
402 	free(extra);
410 	char *extra = NULL;
413 	MAKEEXTRALIST(flag, extra, "");
414 	if (!extra) {
415 		*dst = '\0';		/* can't create extra, return "" */
418 	rv = strsvisx(dst, src, len, flag, extra);
419 	free(extra);