Fix a compile warning in backup.c (#288)

shinyaaa · shinyaaa · commit d5a27106f266 · 2025-07-07T09:55:17.000+09:00
diff --git a/backup.c b/backup.c
@@ -1740,7 +1740,8 @@ delete_old_files(const char *root,
 		for (j = parray_num(files) - 1; j >= 0; j--)
 		{
 			pgFile *file2 = (pgFile *)parray_get(files, j);
-			if (strstr(file2->path, file->path) == file2->path)
+			if (file->path[0] != '\0' && file2->path[0] != '\0' &&
+				strstr(file2->path, file->path) == file2->path)
 			{
 				file2 = (pgFile *)parray_remove(files, j);
 				elog(INFO, "delete \"%s\"",

Original file line number	Diff line number	Diff line change
`@@ -1740,7 +1740,8 @@ delete_old_files(const char *root,`
`1740`	`1740`	`for (j = parray_num(files) - 1; j >= 0; j--)`
`1741`	`1741`	`{`
`1742`	`1742`	`pgFile file2 = (pgFile )parray_get(files, j);`
`1743`		`- if (strstr(file2->path, file->path) == file2->path)`
	`1743`	`+ if (file->path[0] != '\0' && file2->path[0] != '\0' &&`
	`1744`	`+ strstr(file2->path, file->path) == file2->path)`
`1744`	`1745`	`{`
`1745`	`1746`	`file2 = (pgFile *)parray_remove(files, j);`
`1746`	`1747`	`elog(INFO, "delete \"%s\"",`