libarchive/libarchive/archive_string.c

202 archive_string_append(struct archive_string *as, const char *p, size_t s)
204 	if (archive_string_ensure(as, as->length + s + 1) == NULL)
206 	memcpy(as->s + as->length, p, s);
207 	as->length += s;
208 	as->s[as->length] = 0;
209 	return (as);
213 archive_wstring_append(struct archive_wstring *as, const wchar_t *p, size_t s)
215 	if (archive_wstring_ensure(as, as->length + s + 1) == NULL)
217 	wmemcpy(as->s + as->length, p, s);
218 	as->length += s;
219 	as->s[as->length] = 0;
220 	return (as);
239 archive_string_free(struct archive_string *as)
241 	as->length = 0;
242 	as->buffer_length = 0;
243 	free(as->s);
244 	as->s = NULL;
248 archive_wstring_free(struct archive_wstring *as)
250 	as->length = 0;
251 	as->buffer_length = 0;
252 	free(as->s);
253 	as->s = NULL;
257 archive_wstring_ensure(struct archive_wstring *as, size_t s)
260 		archive_string_ensure((struct archive_string *)as,
266 archive_string_ensure(struct archive_string *as, size_t s)
272 	if (as->s && (s <= as->buffer_length))
273 		return (as);
282 	if (as->buffer_length < 32)
285 	else if (as->buffer_length < 8192)
287 		new_length = as->buffer_length + as->buffer_length;
290 		new_length = as->buffer_length + as->buffer_length / 4;
292 		if (new_length < as->buffer_length) {
294 			archive_string_free(as);
307 	p = (char *)realloc(as->s, new_length);
310 		archive_string_free(as);
315 	as->s = p;
316 	as->buffer_length = new_length;
317 	return (as);
328 archive_strncat(struct archive_string *as, const void *_p, size_t n)
342 	if ((as = archive_string_append(as, p, s)) == NULL)
344 	return (as);
348 archive_wstrncat(struct archive_wstring *as, const wchar_t *p, size_t n)
360 	if ((as = archive_wstring_append(as, p, s)) == NULL)
362 	return (as);
366 archive_strcat(struct archive_string *as, const void *p)
374 	return archive_strncat(as, p, 0x1000000);
378 archive_wstrcat(struct archive_wstring *as, const wchar_t *p)
381 	return archive_wstrncat(as, p, 0x1000000);
385 archive_strappend_char(struct archive_string *as, char c)
387 	if ((as = archive_string_append(as, &c, 1)) == NULL)
389 	return (as);
393 archive_wstrappend_wchar(struct archive_wstring *as, wchar_t c)
395 	if ((as = archive_wstring_append(as, &c, 1)) == NULL)
397 	return (as);
474 		 * to UTF-16 as wchar_t.
653 archive_string_append_from_wcs(struct archive_string *as,
656 	return archive_string_append_from_wcs_in_codepage(as, w, len, NULL);
660 archive_string_append_from_wcs_in_codepage(struct archive_string *as,
680 		if (NULL == archive_string_ensure(as,
681 		    as->length + wslen +1))
683 		p = as->s + as->length;
699 		    archive_string_ensure(as, as->length + len * 2 + 2))
701 		u16 = (uint16_t *)(as->s + as->length);
721 		    archive_string_ensure(as, as->length + len * 2 + 1))
730 			    as->s + as->length, (int)as->buffer_length-1, NULL, dp);
734 				if (NULL == archive_string_ensure(as,
735 					as->buffer_length + len))
743 	as->length += count;
744 	as->s[as->length] = '\0';
756 archive_string_append_from_wcs(struct archive_string *as,
762 	 * converts a character at a time and resizes the string as
779 	 * as->s is still NULL.
781 	if (archive_string_ensure(as, as->length + len + 1) == NULL)
784 	p = as->s + as->length;
785 	end = as->s + as->buffer_length - MB_CUR_MAX -1;
788 			as->length = p - as->s;
789 			as->s[as->length] = '\0';
791 			if (archive_string_ensure(as,
792 			    as->length + len * 2 + 1) == NULL)
794 			p = as->s + as->length;
795 			end = as->s + as->buffer_length - MB_CUR_MAX -1;
815 	as->length = p - as->s;
816 	as->s[as->length] = '\0';
829 archive_string_append_from_wcs(struct archive_string *as,
832 	(void)as;/* UNUSED */
1324  * Translate Charset name (as used by iconv) into CodePage (as used by Windows)
1929 archive_strncpy_l(struct archive_string *as, const void *_p, size_t n,
1932 	as->length = 0;
1933 	return (archive_strncat_l(as, _p, n, sc));
1937 archive_strncat_l(struct archive_string *as, const void *_p, size_t n,
1950 		if (archive_string_ensure(as, as->length + tn) == NULL)
1952 		as->s[as->length] = 0;
1954 			as->s[as->length+1] = 0;
1963 		if (archive_string_append(as, _p, length) == NULL)
1985 	r2 = sc->converter[i](as, s, length, sc);
1997 iconv_strncat_in_locale(struct archive_string *as, const void *_p,
2017 	if (archive_string_ensure(as, as->length + length*2+to_size) == NULL)
2023 	outp = as->s + as->length;
2024 	avail = as->buffer_length - as->length - to_size;
2045 					as->length = outp - as->s;
2046 					bs = as->buffer_length +
2049 					    archive_string_ensure(as, bs))
2051 					outp = as->s + as->length;
2052 					avail = as->buffer_length
2053 					    - as->length - to_size;
2074 			as->length = outp - as->s;
2075 			bs = as->buffer_length + remaining * 2;
2076 			if (NULL == archive_string_ensure(as, bs))
2078 			outp = as->s + as->length;
2079 			avail = as->buffer_length - as->length - to_size;
2082 	as->length = outp - as->s;
2083 	as->s[as->length] = 0;
2085 		as->s[as->length+1] = 0;
2099 strncat_in_codepage(struct archive_string *as,
2115 			archive_string_append(as, s, length);
2119 	l = as->length;
2121 	    as, aws.s, aws.length, sc);
2122 	if (r != 0 && errno != ENOMEM && l == as->length)
2123 		archive_string_append(as, s, length);
2201 best_effort_strncat_in_locale(struct archive_string *as, const void *_p,
2215 		if (archive_string_append(as, _p, length) == NULL)
2226 	if (archive_string_ensure(as, as->length + length + 1) == NULL)
2231 	otp = as->s + as->length;
2232 	avail = as->buffer_length - as->length -1;
2236 				as->length = otp - as->s;
2237 				if (NULL == archive_string_ensure(as,
2238 				    as->buffer_length + remaining +
2241 				otp = as->s + as->length;
2242 				avail = as->buffer_length - as->length -1;
2264 	as->length = otp - as->s;
2265 	as->s[as->length] = '\0';
2647 strncat_from_utf8_to_utf8(struct archive_string *as, const void *_p,
2656 	if (archive_string_ensure(as, as->length + len + 1) == NULL)
2660 	p = as->s + as->length;
2661 	endp = as->s + as->buffer_length -1;
2676 				as->length = p - as->s;
2677 				if (archive_string_ensure(as,
2678 				    as->buffer_length + len + 1) == NULL)
2680 				p = as->s + as->length;
2681 				endp = as->s + as->buffer_length -1;
2703 				as->length = p - as->s;
2704 				if (archive_string_ensure(as,
2705 				    as->buffer_length + len + 1) == NULL)
2707 				p = as->s + as->length;
2708 				endp = as->s + as->buffer_length -1;
2715 	as->length = p - as->s;
2716 	as->s[as->length] = '\0';
2721 archive_string_append_unicode(struct archive_string *as, const void *_p,
2769 	if (archive_string_ensure(as, as->length + len * tm + ts) == NULL)
2773 	p = as->s + as->length;
2774 	endp = as->s + as->buffer_length - ts;
2786 			as->length = p - as->s;
2787 			if (archive_string_ensure(as,
2788 			    as->buffer_length + len * tm + ts) == NULL)
2790 			p = as->s + as->length;
2791 			endp = as->s + as->buffer_length - ts;
2795 	as->length = p - as->s;
2796 	as->s[as->length] = '\0';
2798 		as->s[as->length+1] = '\0';
2860 	as->length = p - as->s;			\
2861 	if (archive_string_ensure(as,		\
2862 	    as->buffer_length + len * tm + ts) == NULL)\
2864 	p = as->s + as->length;			\
2865 	endp = as->s + as->buffer_length - ts;	\
2936 archive_string_normalize_C(struct archive_string *as, const void *_p,
2994 	if (archive_string_ensure(as, as->length + len * tm + ts) == NULL)
2997 	p = as->s + as->length;
2998 	endp = as->s + as->buffer_length - ts;
3011 			 * this should be treated as a changed code. */
3028 			 	 * this should be treated as a changed code. */
3187 	as->length = p - as->s;
3188 	as->s[as->length] = '\0';
3190 		as->s[as->length+1] = '\0';
3243 archive_string_normalize_D(struct archive_string *as, const void *_p,
3301 	if (archive_string_ensure(as, as->length + len * tm + ts) == NULL)
3304 	p = as->s + as->length;
3305 	endp = as->s + as->buffer_length - ts;
3327 			 * this should be treated as a changed code. */
3402 	as->length = p - as->s;
3403 	as->s[as->length] = '\0';
3405 		as->s[as->length+1] = '\0';
3424 strncat_from_utf8_libarchive2(struct archive_string *as,
3444 	 * as->s is still NULL.
3446 	if (archive_string_ensure(as, as->length + len + 1) == NULL)
3450 	p = as->s + as->length;
3451 	end = as->s + as->buffer_length - MB_CUR_MAX -1;
3456 			as->length = p - as->s;
3458 			if (archive_string_ensure(as,
3459 			    as->length + len * 2 + 1) == NULL)
3461 			p = as->s + as->length;
3462 			end = as->s + as->buffer_length - MB_CUR_MAX -1;
3489 	as->length = p - as->s;
3490 	as->s[as->length] = '\0';
3508 win_strncat_from_utf16(struct archive_string *as, const void *_p, size_t bytes,
3520 	if (archive_string_ensure(as, as->length + bytes +1) == NULL)
3523 	mbs = as->s + as->length;
3524 	mbs_size = as->buffer_length - as->length -1;
3545 		as->length += ll;
3546 		as->s[as->length] = '\0';
3589 			if (archive_string_ensure(as, ll +1) == NULL)
3591 			mbs = as->s + as->length;
3592 			mbs_size = as->buffer_length - as->length -1;
3597 	as->length += ll;
3598 	as->s[as->length] = '\0';
3605 win_strncat_from_utf16be(struct archive_string *as, const void *_p,
3608 	return (win_strncat_from_utf16(as, _p, bytes, sc, 1));
3612 win_strncat_from_utf16le(struct archive_string *as, const void *_p,
3615 	return (win_strncat_from_utf16(as, _p, bytes, sc, 0));
3735 best_effort_strncat_from_utf16(struct archive_string *as, const void *_p,
3750 	if (archive_string_ensure(as, as->length + bytes +1) == NULL)
3752 	mbs = as->s + as->length;
3769 	as->length = mbs - as->s;
3770 	as->s[as->length] = '\0';
3775 best_effort_strncat_from_utf16be(struct archive_string *as, const void *_p,
3778 	return (best_effort_strncat_from_utf16(as, _p, bytes, sc, 1));
3782 best_effort_strncat_from_utf16le(struct archive_string *as, const void *_p,
3785 	return (best_effort_strncat_from_utf16(as, _p, bytes, sc, 0));