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Commitd527fda

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Fix more strcmp() calls using boolean-like comparisons for result checks
Such calls can confuse the reader as strcmp() uses an integer as result.The places patched here have been spotted by Thomas Munro, David Rowleyand myself.Author: Michael PaquierReviewed-by: David RowleyDiscussion:https://postgr.es/m/20190411021946.GG2728@paquier.xyz
1 parent798070e commitd527fda

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4 files changed

+16
-12
lines changed

4 files changed

+16
-12
lines changed

‎contrib/spi/refint.c

Lines changed: 6 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -473,9 +473,12 @@ check_foreign_key(PG_FUNCTION_ARGS)
473473
nv=SPI_getvalue(newtuple,tupdesc,fn);
474474
type=SPI_gettype(tupdesc,fn);
475475

476-
if ((strcmp(type,"text")&&strcmp(type,"varchar")&&
477-
strcmp(type,"char")&&strcmp(type,"bpchar")&&
478-
strcmp(type,"date")&&strcmp(type,"timestamp"))==0)
476+
if (strcmp(type,"text")==0||
477+
strcmp(type,"varchar")==0||
478+
strcmp(type,"char")==0||
479+
strcmp(type,"bpchar")==0||
480+
strcmp(type,"date")==0||
481+
strcmp(type,"timestamp")==0)
479482
is_char_type=1;
480483
#ifdefDEBUG_QUERY
481484
elog(DEBUG4,"check_foreign_key Debug value %s type %s %d",

‎src/backend/commands/lockcmds.c

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -219,7 +219,8 @@ LockViewRecurse_walker(Node *node, LockViewRecurse_context *context)
219219
* skipped.
220220
*/
221221
if (relid==context->viewoid&&
222-
(!strcmp(rte->eref->aliasname,"old")|| !strcmp(rte->eref->aliasname,"new")))
222+
(strcmp(rte->eref->aliasname,"old")==0||
223+
strcmp(rte->eref->aliasname,"new")==0))
223224
continue;
224225

225226
/* Currently, we only allow plain tables or views to be locked. */

‎src/backend/tsearch/spell.c

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1749,8 +1749,8 @@ NISortDictionary(IspellDict *Conf)
17491749
naffix=0;
17501750
for (i=0;i<Conf->nspell;i++)
17511751
{
1752-
if (i==0
1753-
||strcmp(Conf->Spell[i]->p.flag,Conf->Spell[i-1]->p.flag))
1752+
if (i==0||
1753+
strcmp(Conf->Spell[i]->p.flag,Conf->Spell[i-1]->p.flag)!=0)
17541754
naffix++;
17551755
}
17561756

@@ -1764,8 +1764,8 @@ NISortDictionary(IspellDict *Conf)
17641764
curaffix=-1;
17651765
for (i=0;i<Conf->nspell;i++)
17661766
{
1767-
if (i==0
1768-
||strcmp(Conf->Spell[i]->p.flag,Conf->AffixData[curaffix]))
1767+
if (i==0||
1768+
strcmp(Conf->Spell[i]->p.flag,Conf->AffixData[curaffix])!=0)
17691769
{
17701770
curaffix++;
17711771
Assert(curaffix<naffix);

‎src/test/modules/test_rls_hooks/test_rls_hooks.c

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -75,8 +75,8 @@ test_rls_hooks_permissive(CmdType cmdtype, Relation relation)
7575
ParseState*qual_pstate;
7676
RangeTblEntry*rte;
7777

78-
if (strcmp(RelationGetRelationName(relation),"rls_test_permissive")
79-
&&strcmp(RelationGetRelationName(relation),"rls_test_both"))
78+
if (strcmp(RelationGetRelationName(relation),"rls_test_permissive")!=0&&
79+
strcmp(RelationGetRelationName(relation),"rls_test_both")!=0)
8080
returnNIL;
8181

8282
qual_pstate=make_parsestate(NULL);
@@ -140,8 +140,8 @@ test_rls_hooks_restrictive(CmdType cmdtype, Relation relation)
140140
RangeTblEntry*rte;
141141

142142

143-
if (strcmp(RelationGetRelationName(relation),"rls_test_restrictive")
144-
&&strcmp(RelationGetRelationName(relation),"rls_test_both"))
143+
if (strcmp(RelationGetRelationName(relation),"rls_test_restrictive")!=0&&
144+
strcmp(RelationGetRelationName(relation),"rls_test_both")!=0)
145145
returnNIL;
146146

147147
qual_pstate=make_parsestate(NULL);

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