Fix compiler warning

petere · petere · commit d42294fc00da · 2017-09-20T09:03:04.000-04:00
from gcc-7 -Wformat-truncation (via -Wall)
diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c
@@ -1009,12 +1009,12 @@ static char *
 pretty_wal_size(int segment_count)
 {
 	int			sz = wal_segment_size_mb * segment_count;
-	char	   *result = pg_malloc(10);
+	char	   *result = pg_malloc(11);
 
 	if ((sz % 1024) == 0)
-		snprintf(result, 10, "%dGB", sz / 1024);
+		snprintf(result, 11, "%dGB", sz / 1024);
 	else
-		snprintf(result, 10, "%dMB", sz);
+		snprintf(result, 11, "%dMB", sz);
 
 	return result;
 }

Original file line number	Diff line number	Diff line change
`@@ -1009,12 +1009,12 @@ static char *`
`1009`	`1009`	`pretty_wal_size(int segment_count)`
`1010`	`1010`	`{`
`1011`	`1011`	`int sz = wal_segment_size_mb * segment_count;`
`1012`		`- char *result = pg_malloc(10);`
	`1012`	`+ char *result = pg_malloc(11);`
`1013`	`1013`
`1014`	`1014`	`if ((sz % 1024) == 0)`
`1015`		`- snprintf(result, 10, "%dGB", sz / 1024);`
	`1015`	`+ snprintf(result, 11, "%dGB", sz / 1024);`
`1016`	`1016`	`else`
`1017`		`- snprintf(result, 10, "%dMB", sz);`
	`1017`	`+ snprintf(result, 11, "%dMB", sz);`
`1018`	`1018`
`1019`	`1019`	`return result;`
`1020`	`1020`	`}`