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Commit77ac40d

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author
Thomas G. Lockhart
committed
Fix money type USE_LOCALE support at least for default "C" locale.
Still has questionable code for some locale-specific strings.
1 parentbb63cb8 commit77ac40d

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1 file changed

+53
-26
lines changed

1 file changed

+53
-26
lines changed

‎src/backend/utils/adt/cash.c

Lines changed: 53 additions & 26 deletions
Original file line numberDiff line numberDiff line change
@@ -9,7 +9,7 @@
99
* workings can be found in the book "Software Solutions in C" by
1010
* Dale Schumacher, Academic Press, ISBN: 0-12-632360-7.
1111
*
12-
* $Header: /cvsroot/pgsql/src/backend/utils/adt/cash.c,v 1.22 1998/02/26 04:36:53 momjian Exp $
12+
* $Header: /cvsroot/pgsql/src/backend/utils/adt/cash.c,v 1.23 1998/03/02 00:13:36 thomas Exp $
1313
*/
1414

1515
#include<stdio.h>
@@ -34,7 +34,6 @@ static const char *num_word(Cash value);
3434

3535
#ifdefUSE_LOCALE
3636
staticstructlconv*lconvert=NULL;
37-
3837
#endif
3938

4039
/* cash_in()
@@ -46,6 +45,8 @@ static struct lconv *lconvert = NULL;
4645
* XXX HACK It looks as though some of the symbols for
4746
*monetary values returned by localeconv() can be multiple
4847
*bytes/characters. This code assumes one byte only. - tgl 97/04/14
48+
* XXX UNHACK Allow the currency symbol to be multi-byte.
49+
* - thomas 1998-03-01
4950
*/
5051
Cash*
5152
cash_in(constchar*str)
@@ -58,11 +59,11 @@ cash_in(const char *str)
5859
intseen_dot=0;
5960
constchar*s=str;
6061
intfpoint;
62+
char*csymbol;
6163
chardsymbol,
6264
ssymbol,
6365
psymbol,
64-
nsymbol,
65-
csymbol;
66+
*nsymbol;
6667

6768
#ifdefUSE_LOCALE
6869
#ifdefCASHDEBUG
@@ -76,33 +77,45 @@ cash_in(const char *str)
7677
/* best guess is 2 in this case I think */
7778
fpoint= ((lconvert->frac_digits!=CHAR_MAX) ?lconvert->frac_digits :2);/* int_frac_digits? */
7879

79-
dsymbol=*lconvert->mon_decimal_point;
80-
ssymbol=*lconvert->mon_thousands_sep;
81-
csymbol=*lconvert->currency_symbol;
82-
psymbol=*lconvert->positive_sign;
83-
nsymbol=*lconvert->negative_sign;
80+
dsymbol=((*lconvert->mon_decimal_point!='\0')?*lconvert->mon_decimal_point:'.');
81+
ssymbol=((*lconvert->mon_thousands_sep!='\0')?*lconvert->mon_thousands_sep:',');
82+
csymbol=((*lconvert->currency_symbol!='\0')?lconvert->currency_symbol:"$");
83+
psymbol=((*lconvert->positive_sign!='\0')?*lconvert->positive_sign:'+');
84+
nsymbol=((*lconvert->negative_sign!='\0')?lconvert->negative_sign:"-");
8485
#else
8586
fpoint=2;
8687
dsymbol='.';
8788
ssymbol=',';
88-
csymbol='$';
89+
csymbol="$";
8990
psymbol='+';
90-
nsymbol='-';
91+
nsymbol="-";
9192
#endif
9293

9394
#ifdefCASHDEBUG
94-
printf("cashin- precision%d; decimal%c; thousands%c; currency%c; positive%c; negative%c\n",
95-
fpoint,dsymbol,ssymbol,csymbol,psymbol,nsymbol);
95+
printf("cashin- precision'%d'; decimal'%c'; thousands'%c'; currency'%s'; positive'%c'; negative'%s'\n",
96+
fpoint,dsymbol,ssymbol,csymbol,psymbol,nsymbol);
9697
#endif
9798

9899
/* we need to add all sorts of checking here. For now just */
99-
/* strip all leading whitespace and any leading dollar sign */
100-
while (isspace(*s)||*s==csymbol)
101-
s++;
100+
/* strip all leading whitespace and any leading currency symbol */
101+
while (isspace(*s))s++;
102+
if (strncmp(s,csymbol,strlen(csymbol))==0)s+=strlen(csymbol);
103+
104+
#ifdefCASHDEBUG
105+
printf("cashin- string is '%s'\n",s);
106+
#endif
102107

103108
/* a leading minus or paren signifies a negative number */
104109
/* again, better heuristics needed */
105-
if (*s==nsymbol||*s=='(')
110+
if (strncmp(s,nsymbol,strlen(nsymbol))==0)
111+
{
112+
sgn=-1;
113+
s+=strlen(nsymbol);
114+
#ifdefCASHDEBUG
115+
printf("cashin- negative symbol; string is '%s'\n",s);
116+
#endif
117+
}
118+
elseif (*s=='(')
106119
{
107120
sgn=-1;
108121
s++;
@@ -113,8 +126,16 @@ cash_in(const char *str)
113126
s++;
114127
}
115128

116-
while (isspace(*s)||*s==csymbol)
117-
s++;
129+
#ifdefCASHDEBUG
130+
printf("cashin- string is '%s'\n",s);
131+
#endif
132+
133+
while (isspace(*s))s++;
134+
if (strncmp(s,csymbol,strlen(csymbol))==0)s+=strlen(csymbol);
135+
136+
#ifdefCASHDEBUG
137+
printf("cashin- string is '%s'\n",s);
138+
#endif
118139

119140
for (;;s++)
120141
{
@@ -164,6 +185,10 @@ cash_in(const char *str)
164185

165186
*result= (value*sgn);
166187

188+
#ifdefCASHDEBUG
189+
printf("cashin- result is %d\n",*result);
190+
#endif
191+
167192
return (result);
168193
}/* cash_in() */
169194

@@ -186,7 +211,7 @@ cash_out(Cash *in_value)
186211
charmon_group,
187212
comma,
188213
points;
189-
charcsymbol,
214+
char*csymbol,
190215
dsymbol,
191216
*nsymbol;
192217
charconvention;
@@ -196,18 +221,18 @@ cash_out(Cash *in_value)
196221
lconvert=localeconv();
197222

198223
mon_group=*lconvert->mon_grouping;
199-
comma=*lconvert->mon_thousands_sep;
200-
csymbol=*lconvert->currency_symbol;
201-
dsymbol=*lconvert->mon_decimal_point;
202-
nsymbol=lconvert->negative_sign;
224+
comma= ((*lconvert->mon_thousands_sep!='\0')?*lconvert->mon_thousands_sep:',');
203225
/* frac_digits in the C locale seems to return CHAR_MAX */
204226
/* best guess is 2 in this case I think */
205227
points= ((lconvert->frac_digits!=CHAR_MAX) ?lconvert->frac_digits :2);/* int_frac_digits? */
206228
convention=lconvert->n_sign_posn;
229+
dsymbol= ((*lconvert->mon_decimal_point!='\0')?*lconvert->mon_decimal_point:'.');
230+
csymbol= ((*lconvert->currency_symbol!='\0')?lconvert->currency_symbol:"$");
231+
nsymbol= ((*lconvert->negative_sign!='\0')?lconvert->negative_sign:"-");
207232
#else
208233
mon_group=3;
209234
comma=',';
210-
csymbol='$';
235+
csymbol="$";
211236
dsymbol='.';
212237
nsymbol="-";
213238
points=2;
@@ -217,6 +242,7 @@ cash_out(Cash *in_value)
217242
point_pos=LAST_DIGIT-points;
218243

219244
/* We're playing a little fast and loose with this. Shoot me. */
245+
/* Not me, that was the other guy. Haven't fixed it yet - thomas */
220246
if (!mon_group||mon_group==CHAR_MAX)
221247
mon_group=3;
222248

@@ -249,7 +275,8 @@ cash_out(Cash *in_value)
249275
value /=10;
250276
}
251277

252-
buf[count]=csymbol;
278+
strncpy((buf+count-strlen(csymbol)+1),csymbol,strlen(csymbol));
279+
count-=strlen(csymbol)-1;
253280

254281
if (buf[LAST_DIGIT]==',')
255282
buf[LAST_DIGIT]=buf[LAST_PAREN];

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