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Commit153affd

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author
Michael Meskes
committed
Fixed multibyte handling as reported by <harada.toshi@oss.ntt.co.jp>.
1 parentb8188e1 commit153affd

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2 files changed

+34
-22
lines changed

2 files changed

+34
-22
lines changed

‎src/interfaces/ecpg/ChangeLog

Lines changed: 4 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -2165,5 +2165,9 @@ Fr 2. Feb 09:53:48 CET 2007
21652165

21662166
- Cleaned up va_list handling. Hopefully this now works on all archs.
21672167
- Applied Magnus Hagander's patch to take away some compiler warnings.
2168+
2169+
Su 11. Feb 16:09:31 CET 2007
2170+
2171+
- Fixed multibyte handling as reported by <harada.toshi@oss.ntt.co.jp>.
21682172
- Set ecpg library version to 5.3.
21692173
- Set ecpg version to 4.3.1.

‎src/interfaces/ecpg/ecpglib/execute.c

Lines changed: 30 additions & 22 deletions
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,4 @@
1-
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/execute.c,v 1.63 2007/02/02 08:58:23 meskes Exp $ */
1+
/* $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/execute.c,v 1.64 2007/02/11 15:18:17 meskes Exp $ */
22

33
/*
44
* The aim is to get a simpler inteface to the database routines.
@@ -38,9 +38,11 @@
3838
staticchar*
3939
quote_postgres(char*arg,boolquote,intlineno)
4040
{
41-
char*res;
42-
inti,
43-
ri=0;
41+
char*res;
42+
interror;
43+
size_tlength;
44+
size_tescaped_len;
45+
size_tbuffer_len;
4446

4547
/*
4648
* if quote is false we just need to store things in a descriptor they
@@ -50,29 +52,35 @@ quote_postgres(char *arg, bool quote, int lineno)
5052
returnres=ECPGstrdup(arg,lineno);
5153
else
5254
{
53-
res= (char*)ECPGalloc(2*strlen(arg)+3,lineno);
55+
length=strlen(arg);
56+
buffer_len=2*length+1;
57+
res= (char*)ECPGalloc(buffer_len+3,lineno);
5458
if (!res)
5559
return (res);
5660

57-
/*
58-
* We don't know if the target database is using
59-
* standard_conforming_strings, so we always use E'' strings.
60-
*/
61-
if (strchr(arg,'\\')!=NULL)
62-
res[ri++]=ESCAPE_STRING_SYNTAX;
63-
64-
res[ri++]='\'';
65-
66-
for (i=0;arg[i];i++,ri++)
61+
error=0;
62+
escaped_len=PQescapeString(res+1,arg,buffer_len);
63+
if (error)
6764
{
68-
if (SQL_STR_DOUBLE(arg[i], true))
69-
res[ri++]=arg[i];
70-
res[ri]=arg[i];
65+
ECPGfree(res);
66+
returnNULL;
67+
}
68+
if (length==escaped_len)
69+
{
70+
res[0]=res[escaped_len+1]='\'';
71+
res[escaped_len+2]='\0';
72+
}
73+
else
74+
{
75+
/*
76+
* We don't know if the target database is using
77+
* standard_conforming_strings, so we always use E'' strings.
78+
*/
79+
memmove(res+2,res+1,escaped_len);
80+
res[0]=ESCAPE_STRING_SYNTAX;
81+
res[1]=res[escaped_len+2]='\'';
82+
res[escaped_len+3]='\0';
7183
}
72-
73-
res[ri++]='\'';
74-
res[ri]='\0';
75-
7684
ECPGfree(arg);
7785
returnres;
7886
}

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