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More janitorial work: remove the explicit casting of NULL literals to a

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pointer type when it is not necessary to do so.

For future reference, casting NULL to a pointer type is only necessary
when (a) invoking a function AND either (b) the function has no prototype
OR (c) the function is a varargs function.
This commit is contained in:
Neil Conway
2004-01-07 18:56:30 +00:00
parent afca5d50dc
commit 192ad63bd7
71 changed files with 424 additions and 436 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
src/interfaces/libpq/fe-lobj.c
View File

@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/interfaces/libpq/fe-lobj.c,v 1.45 2003/11/29 19:52:12 pgsql Exp $
* $PostgreSQL: pgsql/src/interfaces/libpq/fe-lobj.c,v 1.46 2004/01/07 18:56:29 neilc Exp $
*
*-------------------------------------------------------------------------
*/
@ -58,7 +58,7 @@ lo_open(PGconn *conn, Oid lobjId, int mode)
argv[1].len = 4;
argv[1].u.integer = mode;
if (conn->lobjfuncs == (PGlobjfuncs *) NULL)
if (conn->lobjfuncs == NULL)
{
if (lo_initialize(conn) < 0)
return -1;
@ -97,7 +97,7 @@ lo_close(PGconn *conn, int fd)
int retval;
int result_len;
if (conn->lobjfuncs == (PGlobjfuncs *) NULL)
if (conn->lobjfuncs == NULL)
{
if (lo_initialize(conn) < 0)
return -1;
@ -135,7 +135,7 @@ lo_read(PGconn *conn, int fd, char *buf, size_t len)
PGresult *res;
int result_len;
if (conn->lobjfuncs == (PGlobjfuncs *) NULL)
if (conn->lobjfuncs == NULL)
{
if (lo_initialize(conn) < 0)
return -1;
@ -177,7 +177,7 @@ lo_write(PGconn *conn, int fd, char *buf, size_t len)
int result_len;
int retval;
if (conn->lobjfuncs == (PGlobjfuncs *) NULL)
if (conn->lobjfuncs == NULL)
{
if (lo_initialize(conn) < 0)
return -1;
@ -223,7 +223,7 @@ lo_lseek(PGconn *conn, int fd, int offset, int whence)
int retval;
int result_len;
if (conn->lobjfuncs == (PGlobjfuncs *) NULL)
if (conn->lobjfuncs == NULL)
{
if (lo_initialize(conn) < 0)
return -1;
@ -272,7 +272,7 @@ lo_creat(PGconn *conn, int mode)
int retval;
int result_len;
if (conn->lobjfuncs == (PGlobjfuncs *) NULL)
if (conn->lobjfuncs == NULL)
{
if (lo_initialize(conn) < 0)
return InvalidOid;
@ -310,7 +310,7 @@ lo_tell(PGconn *conn, int fd)
PGresult *res;
int result_len;
if (conn->lobjfuncs == (PGlobjfuncs *) NULL)
if (conn->lobjfuncs == NULL)
{
if (lo_initialize(conn) < 0)
return -1;
@ -348,7 +348,7 @@ lo_unlink(PGconn *conn, Oid lobjId)
int result_len;
int retval;
if (conn->lobjfuncs == (PGlobjfuncs *) NULL)
if (conn->lobjfuncs == NULL)
{
if (lo_initialize(conn) < 0)
return -1;
@ -534,7 +534,7 @@ lo_initialize(PGconn *conn)
* Allocate the structure to hold the functions OID's
*/
lobjfuncs = (PGlobjfuncs *) malloc(sizeof(PGlobjfuncs));
if (lobjfuncs == (PGlobjfuncs *) NULL)
if (lobjfuncs == NULL)
{
printfPQExpBuffer(&conn->errorMessage,
libpq_gettext("out of memory\n"));
@ -554,7 +554,7 @@ lo_initialize(PGconn *conn)
or proname = 'lo_tell' \
or proname = 'loread' \
or proname = 'lowrite'");
if (res == (PGresult *) NULL)
if (res == NULL)
{
free(lobjfuncs);
return -1;