X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/ab6a99677293c9ddb96a717f03b8a009e98ab955..7ea1ef3feb587b58f74784e6802c2e74d90e22cc:/module/nominatim.c diff --git a/module/nominatim.c b/module/nominatim.c index 15553153..75238e22 100644 --- a/module/nominatim.c +++ b/module/nominatim.c @@ -54,7 +54,8 @@ transliteration( PG_FUNCTION_ARGS ) wchardatastart = wchardata = (unsigned int *)palloc((sourcedatalength+1)*sizeof(int)); // Based on pg_utf2wchar_with_len from wchar.c - while (sourcedatalength > 0 && *sourcedata) + // Postgresql strings are not zero terminalted + while (sourcedatalength > 0) { if ((*sourcedata & 0x80) == 0) { @@ -68,7 +69,7 @@ transliteration( PG_FUNCTION_ARGS ) c1 = *sourcedata++ & 0x1f; c2 = *sourcedata++ & 0x3f; *wchardata = (c1 << 6) | c2; - wchardata++; + if (*wchardata < 65536) wchardata++; sourcedatalength -= 2; } else if ((*sourcedata & 0xf0) == 0xe0) @@ -78,7 +79,7 @@ transliteration( PG_FUNCTION_ARGS ) c2 = *sourcedata++ & 0x3f; c3 = *sourcedata++ & 0x3f; *wchardata = (c1 << 12) | (c2 << 6) | c3; - wchardata++; + if (*wchardata < 65536) wchardata++; sourcedatalength -= 3; } else if ((*sourcedata & 0xf8) == 0xf0) @@ -89,7 +90,7 @@ transliteration( PG_FUNCTION_ARGS ) c3 = *sourcedata++ & 0x3f; c4 = *sourcedata++ & 0x3f; *wchardata = (c1 << 18) | (c2 << 12) | (c3 << 6) | c4; - wchardata++; + if (*wchardata < 65536) wchardata++; sourcedatalength -= 4; } else if ((*sourcedata & 0xfc) == 0xf8) @@ -97,17 +98,20 @@ transliteration( PG_FUNCTION_ARGS ) // table does not extend beyond 4 char long, just skip if (sourcedatalength < 5) break; sourcedatalength -= 5; + sourcedata += 5; } else if ((*sourcedata & 0xfe) == 0xfc) { // table does not extend beyond 4 char long, just skip if (sourcedatalength < 6) break; sourcedatalength -= 6; + sourcedata += 6; } else { // assume lenngth 1, silently drop bogus characters sourcedatalength--; + sourcedata += 1; } } *wchardata = 0; @@ -139,12 +143,12 @@ transliteration( PG_FUNCTION_ARGS ) resultdata++; } } - else + /*else { ereport( WARNING, ( errcode( ERRCODE_SUCCESSFUL_COMPLETION ), errmsg( "missing char: %i\n", *wchardata ))); - } + }*/ wchardata++; } @@ -248,7 +252,6 @@ gettokenstring( PG_FUNCTION_ARGS ) str_replace(buffer, &len, &changes, " und ", 5, " ", 1, 0); str_replace(buffer, &len, &changes, " en ", 4, " ", 1, 0); str_replace(buffer, &len, &changes, " et ", 4, " ", 1, 0); - str_replace(buffer, &len, &changes, " e ", 3, " ", 1, 0); str_replace(buffer, &len, &changes, " y ", 3, " ", 1, 0); // 'the' (and similar)