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Commit7bfb924

Browse files
author
Bryan Henderson
committed
Silence compiler warnings, fix error in complex compare function.
1 parent227015b commit7bfb924

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2 files changed

+43
-1
lines changed

2 files changed

+43
-1
lines changed

‎src/tutorial/C-code/complex.c

Lines changed: 22 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,3 +1,9 @@
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/******************************************************************************
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This file contains routines that can be bound to a Postgres backend and
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called by the backend in the process of processing queries. The calling
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format for these routines is dictated by Postgres architecture.
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******************************************************************************/
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17
#include<stdio.h>
28
/* do not include libpq-fe.h for backend-loaded functions*/
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/* #include "libpq-fe.h" */
@@ -11,6 +17,20 @@ typedef struct Complex {
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doubley;
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}Complex;
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/* These prototypes declare the requirements that Postgres places on these
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user written functions.
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*/
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Complex*complex_in(char*str);
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char*complex_out(Complex*complex);
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Complex*complex_add(Complex*a,Complex*b);
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boolcomplex_abs_lt(Complex*a,Complex*b);
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boolcomplex_abs_le(Complex*a,Complex*b);
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boolcomplex_abs_eq(Complex*a,Complex*b);
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boolcomplex_abs_ge(Complex*a,Complex*b);
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boolcomplex_abs_gt(Complex*a,Complex*b);
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int4complex_abs_cmp(Complex*a,Complex*b);
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/*****************************************************************************
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* Input/Output functions
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*****************************************************************************/
@@ -48,7 +68,7 @@ complex_out(Complex *complex)
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return(NULL);
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result= (char*)palloc(60);
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sprintf(result,"(%lg,%lg)",complex->x,complex->y);
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sprintf(result,"(%g,%g)",complex->x,complex->y);
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return(result);
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}
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@@ -131,6 +151,7 @@ complex_abs_cmp(Complex *a, Complex *b)
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* POSTGRES crashing, it is impossible to tell whether the bug is in your
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* code or POSTGRES's.
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*/
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voidtest_main(void);
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void
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test_main()
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{

‎src/tutorial/C-code/funcs.c

Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,8 +1,29 @@
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/******************************************************************************
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These are user-defined functions that can be bound to a Postgres backend
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and called by Postgres to execute SQL functions of the same name.
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The calling format for these functions is defined by the CREATE FUNCTION
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SQL statement that binds them to the backend.
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*****************************************************************************/
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19
#include<string.h>
210
#include<stdio.h>
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#include"postgres.h"/* for char16, etc. */
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#include"utils/palloc.h"/* for palloc */
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#include"libpq-fe.h"/* for TUPLE */
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#include"executor/executor.h"/* for GetAttributeByName() */
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/* The following prototypes declare what we assume the user declares to
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Postgres in his CREATE FUNCTION statement.
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*/
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intadd_one(intarg);
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char16*concat16(char16*arg1,char16*arg2);
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text*copytext(text*t);
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boolc_overpaid(TUPLEt,/* the current instance of EMP */
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int4limit);
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int
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add_one(intarg)

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