fix stack overflow detection

jcupitt · jcupitt · commit efec066688f5 · 2025-10-07T15:49:12.000+02:00
diff --git a/src/main.c b/src/main.c
@@ -175,6 +175,9 @@ main_startup(int argc, char **argv)
 {
 	main_argv0 = argv[0];
 
+	// try to spot stack overflow with this
+    main_c_stack_base = &argc;
+
 #ifdef DEBUG
 	vips_leak_set(TRUE);
 #endif /*DEBUG*/

Original file line number	Diff line number	Diff line change
`@@ -175,6 +175,9 @@ main_startup(int argc, char **argv)`
`175`	`175`	`{`
`176`	`176`	`main_argv0 = argv[0];`
`177`	`177`
	`178`	`+ // try to spot stack overflow with this`
	`179`	`+ main_c_stack_base = &argc;`
	`180`	`+`
`178`	`181`	`#ifdef DEBUG`
`179`	`182`	`vips_leak_set(TRUE);`
`180`	`183`	`#endif /DEBUG/`