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-rw-r--r--source3/lib/charcnv.c79
-rw-r--r--source3/lib/util_str.c14
2 files changed, 65 insertions, 28 deletions
diff --git a/source3/lib/charcnv.c b/source3/lib/charcnv.c
index 5f3cf64a68..dafc88fb77 100644
--- a/source3/lib/charcnv.c
+++ b/source3/lib/charcnv.c
@@ -176,6 +176,14 @@ static size_t convert_string_internal(charset_t from, charset_t to,
descriptor = conv_handles[from][to];
+ if (srclen == (size_t)-1) {
+ if (from == CH_UCS2) {
+ srclen = (strlen_w((const smb_ucs2_t *)src)+1) * 2;
+ } else {
+ srclen = strlen((const char *)src)+1;
+ }
+ }
+
if (descriptor == (smb_iconv_t)-1 || descriptor == (smb_iconv_t)0) {
if (!conv_silent)
DEBUG(0,("convert_string_internal: Conversion not supported.\n"));
@@ -248,31 +256,40 @@ size_t convert_string(charset_t from, charset_t to,
void const *src, size_t srclen,
void *dest, size_t destlen)
{
+ /*
+ * NB. We deliberately don't do a strlen here is srclen == -1.
+ * This is very expensive over millions of calls and is taken
+ * care of in the slow path in convert_string_internal. JRA.
+ */
+
if (srclen == 0)
return 0;
if (from != CH_UCS2 && to != CH_UCS2) {
const unsigned char *p = (const unsigned char *)src;
unsigned char *q = (unsigned char *)dest;
+ size_t slen = srclen;
+ size_t dlen = destlen;
unsigned char lastp;
size_t retval = 0;
/* If all characters are ascii, fast path here. */
- while (srclen && destlen) {
+ while (slen && dlen) {
if ((lastp = *p) <= 0x7f) {
*q++ = *p++;
- if (srclen != (size_t)-1) {
- srclen--;
+ if (slen != (size_t)-1) {
+ slen--;
}
- destlen--;
+ dlen--;
retval++;
if (!lastp)
break;
} else {
- if (srclen == (size_t)-1) {
- srclen = strlen(p)+1;
- }
- return retval + convert_string_internal(from, to, p, srclen, q, destlen);
+#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS
+ goto general_case;
+#else
+ return retval + convert_string_internal(from, to, p, slen, q, dlen);
+#endif
}
}
return retval;
@@ -280,25 +297,28 @@ size_t convert_string(charset_t from, charset_t to,
const unsigned char *p = (const unsigned char *)src;
unsigned char *q = (unsigned char *)dest;
size_t retval = 0;
+ size_t slen = srclen;
+ size_t dlen = destlen;
unsigned char lastp;
/* If all characters are ascii, fast path here. */
- while ((srclen >= 2) && destlen) {
- if ((lastp = *p) <= 0x7f && p[1] == 0) {
+ while ((slen >= 2) && dlen) {
+ if (((lastp = *p) <= 0x7f) && (p[1] == 0)) {
*q++ = *p;
- if (srclen != (size_t)-1) {
- srclen -= 2;
+ if (slen != (size_t)-1) {
+ slen -= 2;
}
p += 2;
- destlen--;
+ dlen--;
retval++;
if (!lastp)
break;
} else {
- if (srclen == (size_t)-1) {
- srclen = strlen_w((const void *)p)+2;
- }
- return retval + convert_string_internal(from, to, p, srclen, q, destlen);
+#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS
+ goto general_case;
+#else
+ return retval + convert_string_internal(from, to, p, slen, q, dlen);
+#endif
}
}
return retval;
@@ -306,29 +326,36 @@ size_t convert_string(charset_t from, charset_t to,
const unsigned char *p = (const unsigned char *)src;
unsigned char *q = (unsigned char *)dest;
size_t retval = 0;
+ size_t slen = srclen;
+ size_t dlen = destlen;
unsigned char lastp;
/* If all characters are ascii, fast path here. */
- while (srclen && (destlen >= 2)) {
+ while (slen && (dlen >= 2)) {
if ((lastp = *p) <= 0x7F) {
*q++ = *p++;
*q++ = '\0';
- if (srclen != (size_t)-1) {
- srclen--;
+ if (slen != (size_t)-1) {
+ slen--;
}
- destlen -= 2;
+ dlen -= 2;
retval += 2;
if (!lastp)
break;
} else {
- if (srclen == (size_t)-1) {
- srclen = strlen(p)+1;
- }
- return retval + convert_string_internal(from, to, p, srclen, q, destlen);
+#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS
+ goto general_case;
+#else
+ return retval + convert_string_internal(from, to, p, slen, q, dlen);
+#endif
}
}
return retval;
}
+
+#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS
+ general_case:
+#endif
return convert_string_internal(from, to, src, srclen, dest, destlen);
}
@@ -542,7 +569,7 @@ char *strdup_upper(const char *s)
strupper_w(buffer);
- size = convert_string(CH_UCS2, CH_UNIX, buffer, sizeof(buffer), out_buffer, sizeof(out_buffer));
+ size = convert_string(CH_UCS2, CH_UNIX, buffer, -1, out_buffer, sizeof(out_buffer));
if (size == -1) {
return NULL;
}
diff --git a/source3/lib/util_str.c b/source3/lib/util_str.c
index 82b312e241..15ac1639a9 100644
--- a/source3/lib/util_str.c
+++ b/source3/lib/util_str.c
@@ -382,6 +382,10 @@ void string_replace(pstring s,char oldc,char newc)
return;
/* Slow (mb) path. */
+#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS
+ /* With compose characters we must restart from the beginning. JRA. */
+ p = s;
+#endif
push_ucs2(NULL, tmpbuf, p, sizeof(tmpbuf), STR_TERMINATE);
string_replace_w(tmpbuf, UCS2_CHAR(oldc), UCS2_CHAR(newc));
pull_ucs2(NULL, p, tmpbuf, -1, sizeof(tmpbuf), STR_TERMINATE);
@@ -1175,18 +1179,19 @@ char *string_truncate(char *s, unsigned int length)
We convert via ucs2 for now.
**/
-char *strchr_m(const char *s, char c)
+char *strchr_m(const char *src, char c)
{
wpstring ws;
pstring s2;
smb_ucs2_t *p;
+ const char *s;
/* this is quite a common operation, so we want it to be
fast. We optimise for the ascii case, knowing that all our
supported multi-byte character sets are ascii-compatible
(ie. they match for the first 128 chars) */
- while (*s && (((unsigned char)s[0]) & 0x80)) {
+ for (s = src; *s && !(((unsigned char)s[0]) & 0x80); s++) {
if (*s == c)
return s;
}
@@ -1194,6 +1199,11 @@ char *strchr_m(const char *s, char c)
if (!*s)
return NULL;
+#ifdef BROKEN_UNICODE_COMPOSE_CHARACTERS
+ /* With compose characters we must restart from the beginning. JRA. */
+ s = src;
+#endif
+
push_ucs2(NULL, ws, s, sizeof(ws), STR_TERMINATE);
p = strchr_w(ws, UCS2_CHAR(c));
if (!p)
generated by cgit (git 2.34.1) at 2024-11-23 12:37:59 +0000