Fix 696303: Off-by-one error when checking for exception stack overflow.

1 files changed, 5 insertions, 5 deletions

diff --git a/include/mupdf/fitz/context.h b/include/mupdf/fitz/context.h
index cb083f87..67b16b00 100644
--- a/include/mupdf/fitz/context.h
+++ b/include/mupdf/fitz/context.h
@@ -50,7 +50,7 @@ void fz_var_imp(void *);
 */
 
 #define fz_try(ctx) \
-	{{{ fz_push_try(ctx->error); \
+	{{{ fz_push_try(ctx); \
 	if (fz_setjmp(ctx->error->stack[ctx->error->top].buffer) == 0)\
 	{ do {
 
@@ -67,10 +67,10 @@ void fz_var_imp(void *);
 	} }}} \
 	if (ctx->error->stack[ctx->error->top--].code > 1)
 
-void fz_push_try(fz_error_context *ex);
-FZ_NORETURN void fz_throw(fz_context *, int errcode, const char *, ...) __printflike(3, 4);
-FZ_NORETURN void fz_rethrow(fz_context *);
-FZ_NORETURN void fz_rethrow_message(fz_context *, const char *, ...)  __printflike(2, 3);
+void fz_push_try(fz_context *ctx);
+FZ_NORETURN void fz_throw(fz_context *ctx, int errcode, const char *, ...) __printflike(3, 4);
+FZ_NORETURN void fz_rethrow(fz_context *ctx);
+FZ_NORETURN void fz_rethrow_message(fz_context *ctx, const char *fmt, ...)  __printflike(2, 3);
 void fz_warn(fz_context *ctx, const char *fmt, ...) __printflike(2, 3);
 const char *fz_caught_message(fz_context *ctx);
 int fz_caught(fz_context *ctx);