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Add multi-byte support to lztextlen()

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src/backend/utils/adt
- lztext.c

1 file changed

+25

-4

lines changed

`‎src/backend/utils/adt/lztext.c‎`

Lines changed: 25 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -1,7 +1,7 @@`
`1`	`1`	`/* ----------`
`2`	`2`	`* lztext.c -`
`3`	`3`	`*`
`4`		`- * $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/lztext.c,v 1.2 1999/11/17 22:18:45 wieck Exp $`
	`4`	`+ * $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/lztext.c,v 1.3 1999/11/24 03:45:12 ishii Exp $`
`5`	`5`	`*`
`6`	`6`	`*Text type with internal LZ compressed representation. Uses the`
`7`	`7`	`*standard PostgreSQL compression method.`
`@@ -21,7 +21,9 @@`
`21`	`21`	`#include"utils/builtins.h"`
`22`	`22`	`#include"utils/palloc.h"`
`23`	`23`	`#include"utils/pg_lzcompress.h"`
`24`		`-`
	`24`	`+#ifdefMULTIBYTE`
	`25`	`+#include"mb/pg_wchar.h"`
	`26`	`+#endif`
`25`	`27`
`26`	`28`	`/* ----------`
`27`	`29`	`* lztextin -`
`@@ -134,18 +136,39 @@ lztextout(lztext *lz)`
`134`	`136`	`int32`
`135`	`137`	`lztextlen(lztext*lz)`
`136`	`138`	`{`
	`139`	`+#ifdefMULTIBYTE`
	`140`	`+unsignedchars1,s2;`
	`141`	`+intlen;`
	`142`	`+intl;`
	`143`	`+intwl;`
	`144`	`+#endif`
`137`	`145`	`/* ----------`
`138`	`146`	`* Handle NULL`
`139`	`147`	`* ----------`
`140`	`148`	`*/`
`141`	`149`	`if (lz==NULL)`
`142`	`150`	`return0;`
`143`	`151`
	`152`	`+#ifdefMULTIBYTE`
	`153`	`+len=0;`
	`154`	`+s1=s2= (unsignedchar*)lztextout(lz);`
	`155`	`+l=PGLZ_RAW_SIZE(lz);`
	`156`	`+while (l>0)`
	`157`	`+{`
	`158`	`+wl=pg_mblen(s1);`
	`159`	`+l-=wl;`
	`160`	`+s1+=wl;`
	`161`	`+len++;`
	`162`	`+}`
	`163`	`+pfree((char*)s2);`
	`164`	`+return (len);`
	`165`	`+#else`
`144`	`166`	`/* ----------`
`145`	`167`	`* without multibyte support, it's the remembered rawsize`
`146`	`168`	`* ----------`
`147`	`169`	`*/`
`148`	`170`	`returnPGLZ_RAW_SIZE(lz);`
	`171`	`+#endif`
`149`	`172`	`}`
`150`	`173`
`151`	`174`
`@@ -228,8 +251,6 @@ text_lztext(text *txt)`
`228`	`251`	`}`
`229`	`252`
`230`	`253`	`returnresult;`
`231`		`-`
`232`		`-`
`233`	`254`	`}`
`234`	`255`
`235`	`256`

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Commit61a93ed

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`‎src/backend/utils/adt/lztext.c‎`

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