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Commit505d903

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Upgraded code to use the current version 1 calling conventions.
1 parent2ba4826 commit505d903

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1 file changed

+47
-32
lines changed

1 file changed

+47
-32
lines changed

‎contrib/chkpass/chkpass.c‎

Lines changed: 47 additions & 32 deletions
Original file line numberDiff line numberDiff line change
@@ -4,7 +4,7 @@
44
* darcy@druid.net
55
* http://www.druid.net/darcy/
66
*
7-
* $Header: /cvsroot/pgsql/contrib/chkpass/chkpass.c,v 1.2 2001/05/27 19:06:20 darcy Exp $
7+
* $Id:chkpass.c,v 1.3 2001/05/28 15:34:27 darcy Exp $
88
* best viewed with tabs set to 4
99
*/
1010

@@ -14,7 +14,7 @@
1414
#include<unistd.h>
1515

1616
#include<postgres.h>
17-
#include<utils/palloc.h>
17+
#include<fmgr.h>
1818

1919
/*
2020
* This type encrypts it's input unless the first character is a colon.
@@ -38,13 +38,14 @@ typedef struct chkpass
3838
* Various forward declarations:
3939
*/
4040

41-
chkpass*chkpass_in(char*str);
42-
char*chkpass_out(chkpass*addr);
43-
text*chkpass_rout(chkpass*addr);
41+
Datumchkpass_in(PG_FUNCTION_ARGS);
42+
Datumchkpass_out(PG_FUNCTION_ARGS);
43+
Datumchkpass_rout(PG_FUNCTION_ARGS);
4444

4545
/* Only equal or not equal make sense */
46-
boolchkpass_eq(chkpass*a1,text*a2);
47-
boolchkpass_ne(chkpass*a1,text*a2);
46+
Datumchkpass_eq(PG_FUNCTION_ARGS);
47+
Datumchkpass_ne(PG_FUNCTION_ARGS);
48+
4849

4950
/* This function checks that the password is a good one
5051
* It's just a placeholder for now */
@@ -57,9 +58,11 @@ verify_pass(const char *str)
5758
/*
5859
* CHKPASS reader.
5960
*/
60-
chkpass*
61-
chkpass_in(char*str)
61+
PG_FUNCTION_INFO_V1(chkpass_in)
62+
Datum
63+
chkpass_in(PG_FUNCTION_ARGS)
6264
{
65+
char*str=PG_GETARG_CSTRING(0);
6366
chkpass*result;
6467
charmysalt[4];
6568
staticboolrandom_initialized= false;
@@ -72,14 +75,14 @@ chkpass_in(char *str)
7275
result= (chkpass*)palloc(sizeof(chkpass));
7376
strncpy(result->password,str+1,13);
7477
result->password[13]=0;
75-
return (result);
78+
returnPointerGetDatum(result);
7679
}
7780

7881
if (verify_pass(str)!=0)
7982
{
8083
elog(ERROR,"chkpass_in: purported CHKPASS \"%s\" is a weak password",
8184
str);
82-
returnNULL;
85+
returnPointerGetDatum(NULL);
8386
}
8487

8588
result= (chkpass*)palloc(sizeof(chkpass));
@@ -95,81 +98,93 @@ chkpass_in(char *str)
9598
mysalt[2]=0;/* technically the terminator is not
9699
* necessary but I like to play safe */
97100
strcpy(result->password,crypt(str,mysalt));
98-
return (result);
101+
returnPointerGetDatum(result);
99102
}
100103

101104
/*
102105
* CHKPASS output function.
103106
* Just like any string but we know it is max 15 (13 plus colon and terminator.)
104107
*/
105108

106-
char*
107-
chkpass_out(chkpass*password)
109+
PG_FUNCTION_INFO_V1(chkpass_out)
110+
Datum
111+
chkpass_out(PG_FUNCTION_ARGS)
108112
{
113+
chkpass*password= (chkpass*)PG_GETARG_POINTER(0);
109114
char*result;
110115

111116
if (password==NULL)
112-
return (NULL);
117+
returnPointerGetDatum(NULL);
113118

114119
if ((result= (char*)palloc(16))!=NULL)
115120
{
116121
result[0]=':';
117122
strcpy(result+1,password->password);
118123
}
119124

120-
return(result);
125+
PG_RETURN_CSTRING(result);
121126
}
122127

123128

124129
/*
125130
* special output function that doesn't output the colon
126131
*/
127132

128-
text*
129-
chkpass_rout(chkpass*password)
133+
PG_FUNCTION_INFO_V1(chkpass_rout)
134+
Datum
135+
chkpass_rout(PG_FUNCTION_ARGS)
130136
{
137+
chkpass*password= (chkpass*)PG_GETARG_POINTER(0);
131138
text*result=NULL;
132139

133140
if (password==NULL)
134-
return (NULL);
141+
returnPointerGetDatum(NULL);
135142

136143
if ((result= (text*)palloc(VARHDRSZ+16))!=NULL)
137144
{
138145
result->vl_len=VARHDRSZ+strlen(password->password);
139-
memcpy(result->vl_dat,password->password,strlen(password->pass
146+
memcpy(result->vl_dat,password->password,strlen(password->password));
140147
}
141148

142-
return(result);
149+
PG_RETURN_CSTRING(result);
143150
}
144151

145152

146153
/*
147154
* Boolean tests
148155
*/
149156

150-
bool
151-
chkpass_eq(chkpass*a1,text*a2)
157+
PG_FUNCTION_INFO_V1(chkpass_eq)
158+
Datum
159+
chkpass_eq(PG_FUNCTION_ARGS)
152160
{
153-
charstr[10];
154-
intsz=8;
161+
chkpass*a1= (chkpass*)PG_GETARG_POINTER(0);
162+
text*a2= (text*)PG_GETARG_TEXT_P(1);
163+
charstr[10];
164+
intsz=8;
165+
166+
if (!a1|| !a2)
167+
PG_RETURN_BOOL(0);
155168

156-
if (!a1|| !a2)return0;
157169
if (a2->vl_len<12)sz=a2->vl_len-4;
158170
strncpy(str,a2->vl_dat,sz);
159171
str[sz]=0;
160-
return (strcmp(a1->password,crypt(str,a1->password))==0);
172+
PG_RETURN_BOOL (strcmp(a1->password,crypt(str,a1->password))==0);
161173
}
162174

163-
bool
164-
chkpass_ne(chkpass*a1,text*a2)
175+
PG_FUNCTION_INFO_V1(chkpass_ne)
176+
Datum
177+
chkpass_ne(PG_FUNCTION_ARGS)
165178
{
166-
charstr[10];
167-
intsz=8;
179+
chkpass*a1= (chkpass*)PG_GETARG_POINTER(0);
180+
text*a2= (text*)PG_GETARG_TEXT_P(1);
181+
charstr[10];
182+
intsz=8;
168183

169184
if (!a1|| !a2)return0;
170185
if (a2->vl_len<12)sz=a2->vl_len-4;
171186
strncpy(str,a2->vl_dat,sz);
172187
str[sz]=0;
173-
return (strcmp(a1->password,crypt(str,a1->password))!=0);
188+
PG_RETURN_BOOL (strcmp(a1->password,crypt(str,a1->password))!=0);
174189
}
175190

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