Add comment to pg_atoi.

bmomjian · bmomjian · commit 8c8c0108e8f3 · 2005-12-01T21:16:13.000Z
diff --git a/src/backend/utils/adt/numutils.c b/src/backend/utils/adt/numutils.c
@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/utils/adt/numutils.c,v 1.70 2005/11/30 23:10:08 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/utils/adt/numutils.c,v 1.71 2005/12/01 21:16:13 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -73,7 +73,7 @@ pg_atoi(char *s, int size, int c)
 				 errmsg("invalid input syntax for integer: \"%s\"",
 						s)));
 
-	errno = 0;
+	errno = 0;	/* avoid having to check the result for failure */
 	l = strtol(s, &badp, 10);
 
 	/* We made no progress parsing the string, so bail out */

Original file line number	Diff line number	Diff line change
`@@ -10,7 +10,7 @@`
`10`	`10`	`*`
`11`	`11`	`*`
`12`	`12`	`* IDENTIFICATION`
`13`		`- * $PostgreSQL: pgsql/src/backend/utils/adt/numutils.c,v 1.70 2005/11/30 23:10:08 tgl Exp $`
	`13`	`+ * $PostgreSQL: pgsql/src/backend/utils/adt/numutils.c,v 1.71 2005/12/01 21:16:13 momjian Exp $`
`14`	`14`	`*`
`15`	`15`	`*-------------------------------------------------------------------------`
`16`	`16`	`*/`
`@@ -73,7 +73,7 @@ pg_atoi(char *s, int size, int c)`
`73`	`73`	`errmsg("invalid input syntax for integer: \"%s\"",`
`74`	`74`	`s)));`
`75`	`75`
`76`		`- errno = 0;`
	`76`	`+ errno = 0; /* avoid having to check the result for failure */`
`77`	`77`	`l = strtol(s, &badp, 10);`
`78`	`78`
`79`	`79`	`/* We made no progress parsing the string, so bail out */`