libarchive/libarchive/archive_string.c

203 archive_string_append(struct archive_string *as, const char *p, size_t s)
205 	if (archive_string_ensure(as, as->length + s + 1) == NULL)
208 		memmove(as->s + as->length, p, s);
209 	as->length += s;
210 	as->s[as->length] = 0;
211 	return (as);
215 archive_wstring_append(struct archive_wstring *as, const wchar_t *p, size_t s)
217 	if (archive_wstring_ensure(as, as->length + s + 1) == NULL)
220 		wmemmove(as->s + as->length, p, s);
221 	as->length += s;
222 	as->s[as->length] = 0;
223 	return (as);
227 archive_array_append(struct archive_string *as, const char *p, size_t s)
229 	return archive_string_append(as, p, s);
248 archive_string_free(struct archive_string *as)
250 	as->length = 0;
251 	as->buffer_length = 0;
252 	free(as->s);
253 	as->s = NULL;
257 archive_wstring_free(struct archive_wstring *as)
259 	as->length = 0;
260 	as->buffer_length = 0;
261 	free(as->s);
262 	as->s = NULL;
266 archive_wstring_ensure(struct archive_wstring *as, size_t s)
269 		archive_string_ensure((struct archive_string *)as,
275 archive_string_ensure(struct archive_string *as, size_t s)
281 	if (as->s && (s <= as->buffer_length))
282 		return (as);
291 	if (as->buffer_length < 32)
294 	else if (as->buffer_length < 8192)
296 		new_length = as->buffer_length + as->buffer_length;
299 		new_length = as->buffer_length + as->buffer_length / 4;
301 		if (new_length < as->buffer_length) {
303 			archive_string_free(as);
316 	p = (char *)realloc(as->s, new_length);
319 		archive_string_free(as);
324 	as->s = p;
325 	as->buffer_length = new_length;
326 	return (as);
337 archive_strncat(struct archive_string *as, const void *_p, size_t n)
351 	if ((as = archive_string_append(as, p, s)) == NULL)
353 	return (as);
357 archive_wstrncat(struct archive_wstring *as, const wchar_t *p, size_t n)
369 	if ((as = archive_wstring_append(as, p, s)) == NULL)
371 	return (as);
375 archive_strcat(struct archive_string *as, const void *p)
383 	return archive_strncat(as, p, 0x1000000);
387 archive_wstrcat(struct archive_wstring *as, const wchar_t *p)
390 	return archive_wstrncat(as, p, 0x1000000);
394 archive_strappend_char(struct archive_string *as, char c)
396 	if ((as = archive_string_append(as, &c, 1)) == NULL)
398 	return (as);
402 archive_wstrappend_wchar(struct archive_wstring *as, wchar_t c)
404 	if ((as = archive_wstring_append(as, &c, 1)) == NULL)
406 	return (as);
483 		 * to UTF-16 as wchar_t.
671 archive_string_append_from_wcs(struct archive_string *as,
674 	return archive_string_append_from_wcs_in_codepage(as, w, len, NULL);
678 archive_string_append_from_wcs_in_codepage(struct archive_string *as,
698 		if (NULL == archive_string_ensure(as,
699 		    as->length + wslen +1))
701 		p = as->s + as->length;
717 		    archive_string_ensure(as, as->length + len * 2 + 2))
719 		u16 = (uint16_t *)(as->s + as->length);
739 		    archive_string_ensure(as, as->length + len * 2 + 1))
748 			    as->s + as->length,
749 			    (int)as->buffer_length - (int)as->length - 1, NULL, dp);
753 				if (NULL == archive_string_ensure(as,
754 					as->buffer_length + len))
763 	as->length += count;
764 	as->s[as->length] = '\0';
776 archive_string_append_from_wcs(struct archive_string *as,
782 	 * converts a character at a time and resizes the string as
799 	 * as->s is still NULL.
801 	if (archive_string_ensure(as, as->length + len + 1) == NULL)
804 	p = as->s + as->length;
805 	end = as->s + as->buffer_length - MB_CUR_MAX -1;
808 			as->length = p - as->s;
809 			as->s[as->length] = '\0';
811 			if (archive_string_ensure(as,
812 			    as->length + max(len * 2,
815 			p = as->s + as->length;
816 			end = as->s + as->buffer_length - MB_CUR_MAX -1;
836 	as->length = p - as->s;
837 	as->s[as->length] = '\0';
850 archive_string_append_from_wcs(struct archive_string *as,
853 	(void)as;/* UNUSED */
1349  * Translate Charset name (as used by iconv) into CodePage (as used by Windows)
1956 archive_strncpy_l(struct archive_string *as, const void *_p, size_t n,
1959 	as->length = 0;
1960 	return (archive_strncat_l(as, _p, n, sc));
1964 archive_strncat_l(struct archive_string *as, const void *_p, size_t n,
1984 		if (archive_string_ensure(as, as->length + tn) == NULL)
1986 		as->s[as->length] = 0;
1988 			as->s[as->length+1] = 0;
1996 		if (archive_string_append(as, _p, length) == NULL)
2014 	r2 = sc->converter[i](as, s, length, sc);
2026 iconv_strncat_in_locale(struct archive_string *as, const void *_p,
2046 	if (archive_string_ensure(as, as->length + length*2+to_size) == NULL)
2052 	outp = as->s + as->length;
2053 	avail = as->buffer_length - as->length - to_size;
2074 					as->length = outp - as->s;
2075 					bs = as->buffer_length +
2078 					    archive_string_ensure(as, bs))
2080 					outp = as->s + as->length;
2081 					avail = as->buffer_length
2082 					    - as->length - to_size;
2103 			as->length = outp - as->s;
2104 			bs = as->buffer_length + remaining * 2;
2105 			if (NULL == archive_string_ensure(as, bs))
2107 			outp = as->s + as->length;
2108 			avail = as->buffer_length - as->length - to_size;
2111 	as->length = outp - as->s;
2112 	as->s[as->length] = 0;
2114 		as->s[as->length+1] = 0;
2128 strncat_in_codepage(struct archive_string *as,
2144 			archive_string_append(as, s, length);
2148 	l = as->length;
2150 	    as, aws.s, aws.length, sc);
2151 	if (r != 0 && errno != ENOMEM && l == as->length)
2152 		archive_string_append(as, s, length);
2230 best_effort_strncat_in_locale(struct archive_string *as, const void *_p,
2242 		if (archive_string_append(as, _p, length) == NULL)
2260 				if (archive_string_append(as, utf8_replacement_char, sizeof(utf8_replacement_char)) == NULL) {
2264 				archive_strappend_char(as, '?');
2268 			archive_strappend_char(as, *itp);
2649 strncat_from_utf8_to_utf8(struct archive_string *as, const void *_src,
2657 	if (archive_string_ensure(as, as->length + len + 1) == NULL)
2661 	 * been copied to the destination `as`. */
2675 			if (archive_string_append(as, src, e - src) == NULL)
2702 			if (archive_string_append(as, t, w) == NULL)
2709 archive_string_append_unicode(struct archive_string *as, const void *_p,
2757 	if (archive_string_ensure(as, as->length + len * tm + ts) == NULL)
2761 	p = as->s + as->length;
2762 	endp = as->s + as->buffer_length - ts;
2774 			as->length = p - as->s;
2775 			if (archive_string_ensure(as,
2776 			    as->buffer_length + len * tm + ts) == NULL)
2778 			p = as->s + as->length;
2779 			endp = as->s + as->buffer_length - ts;
2783 	as->length = p - as->s;
2784 	as->s[as->length] = '\0';
2786 		as->s[as->length+1] = '\0';
2848 	as->length = p - as->s;			\
2849 	if (archive_string_ensure(as,		\
2850 	    as->buffer_length + len * tm + ts) == NULL)\
2852 	p = as->s + as->length;			\
2853 	endp = as->s + as->buffer_length - ts;	\
2924 archive_string_normalize_C(struct archive_string *as, const void *_p,
2982 	if (archive_string_ensure(as, as->length + len * tm + ts) == NULL)
2985 	p = as->s + as->length;
2986 	endp = as->s + as->buffer_length - ts;
2999 			 * this should be treated as a changed code. */
3016 			 	 * this should be treated as a changed code. */
3175 	as->length = p - as->s;
3176 	as->s[as->length] = '\0';
3178 		as->s[as->length+1] = '\0';
3231 archive_string_normalize_D(struct archive_string *as, const void *_p,
3289 	if (archive_string_ensure(as, as->length + len * tm + ts) == NULL)
3292 	p = as->s + as->length;
3293 	endp = as->s + as->buffer_length - ts;
3315 			 * this should be treated as a changed code. */
3390 	as->length = p - as->s;
3391 	as->s[as->length] = '\0';
3393 		as->s[as->length+1] = '\0';
3412 strncat_from_utf8_libarchive2(struct archive_string *as,
3432 	 * as->s is still NULL.
3434 	if (archive_string_ensure(as, as->length + len + 1) == NULL)
3438 	p = as->s + as->length;
3439 	end = as->s + as->buffer_length - MB_CUR_MAX -1;
3444 			as->length = p - as->s;
3446 			if (archive_string_ensure(as,
3447 			    as->length + max(len * 2,
3450 			p = as->s + as->length;
3451 			end = as->s + as->buffer_length - MB_CUR_MAX -1;
3478 	as->length = p - as->s;
3479 	as->s[as->length] = '\0';
3497 win_strncat_from_utf16(struct archive_string *as, const void *_p, size_t bytes,
3509 	if (archive_string_ensure(as, as->length + bytes +1) == NULL)
3512 	mbs = as->s + as->length;
3513 	mbs_size = as->buffer_length - as->length -1;
3534 		as->length += ll;
3535 		as->s[as->length] = '\0';
3581 		if (archive_string_ensure(as, ll +1) == NULL)
3583 		mbs = as->s + as->length;
3584 		mbs_size = as->buffer_length - as->length -1;
3587 	as->length += ll;
3588 	as->s[as->length] = '\0';
3595 win_strncat_from_utf16be(struct archive_string *as, const void *_p,
3598 	return (win_strncat_from_utf16(as, _p, bytes, sc, 1));
3602 win_strncat_from_utf16le(struct archive_string *as, const void *_p,
3605 	return (win_strncat_from_utf16(as, _p, bytes, sc, 0));
3726 best_effort_strncat_from_utf16(struct archive_string *as, const void *_p,
3741 	if (archive_string_ensure(as, as->length + bytes +1) == NULL)
3743 	mbs = as->s + as->length;
3760 	as->length = mbs - as->s;
3761 	as->s[as->length] = '\0';
3766 best_effort_strncat_from_utf16be(struct archive_string *as, const void *_p,
3769 	return (best_effort_strncat_from_utf16(as, _p, bytes, sc, 1));
3773 best_effort_strncat_from_utf16le(struct archive_string *as, const void *_p,
3776 	return (best_effort_strncat_from_utf16(as, _p, bytes, sc, 0));
4221 	/* On failure, make an effort to convert UTF8 to WCS as the active code page