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More harmless compiler warning fixes.

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FossilOrigin-Name: 4c0d208c455abb983217a6dfea7634f677f8360fb57857e1421334fe7a5a23e2
This commit is contained in:
drh
2020-07-18 18:44:59 +00:00
parent aec7dc6563
commit a7c74006a0
7 changed files with 50 additions and 25 deletions
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16
ext/misc/ieee754.c
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@ -90,6 +90,12 @@ SQLITE_EXTENSION_INIT1
#include <assert.h>
#include <string.h>
/* Mark a function parameter as unused, to suppress nuisance compiler
** warnings. */
#ifndef UNUSED_PARAMETER
# define UNUSED_PARAMETER(X) (void)(X)
#endif
/*
** Implementation of the ieee754() function
*/
@ -109,7 +115,7 @@ static void ieee754func(
&& sqlite3_value_bytes(argv[0])==sizeof(r)
){
const unsigned char *x = sqlite3_value_blob(argv[0]);
int i;
unsigned int i;
sqlite3_uint64 v = 0;
for(i=0; i<sizeof(r); i++){
v = (v<<8) | x[i];
@ -201,12 +207,13 @@ static void ieee754func_from_blob(
int argc,
sqlite3_value **argv
){
UNUSED_PARAMETER(argc);
if( sqlite3_value_type(argv[0])==SQLITE_BLOB
&& sqlite3_value_bytes(argv[0])==sizeof(double)
){
double r;
const unsigned char *x = sqlite3_value_blob(argv[0]);
int i;
unsigned int i;
sqlite3_uint64 v = 0;
for(i=0; i<sizeof(r); i++){
v = (v<<8) | x[i];
@ -220,13 +227,14 @@ static void ieee754func_to_blob(
int argc,
sqlite3_value **argv
){
UNUSED_PARAMETER(argc);
if( sqlite3_value_type(argv[0])==SQLITE_FLOAT
|| sqlite3_value_type(argv[0])==SQLITE_INTEGER
){
double r = sqlite3_value_double(argv[0]);
sqlite3_uint64 v;
unsigned char a[sizeof(r)];
int i;
unsigned int i;
memcpy(&v, &r, sizeof(r));
for(i=1; i<=sizeof(r); i++){
a[sizeof(r)-i] = v&0xff;
@ -259,7 +267,7 @@ int sqlite3_ieee_init(
{ "ieee754_from_blob", 1, 0, ieee754func_from_blob },
};
int i;
unsigned int i;
int rc = SQLITE_OK;
SQLITE_EXTENSION_INIT2(pApi);
(void)pzErrMsg; /* Unused parameter */