From cba1c8c471782ba3fbdc49da0c924a0fd0c6501c Mon Sep 17 00:00:00 2001
From: Kubo Takehiro <kubo@jiubao.org>
Date: Sun, 4 Jun 2023 16:41:31 +0900
Subject: [PATCH] Fix warnings when using mingw32 compilers

---
 src/funchook_internal.h | 15 +++++++++++----
 src/funchook_windows.c  |  4 ++--
 2 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/src/funchook_internal.h b/src/funchook_internal.h
index 36f05d3..69f6428 100644
--- a/src/funchook_internal.h
+++ b/src/funchook_internal.h
@@ -53,8 +53,15 @@
 #define MAX(a, b) (((a) > (b)) ? (a) : (b))
 #endif
 
-#ifndef __GNUC__
-#define __attribute__(arg)
+#ifdef __GNUC__
+#ifdef __MINGW32__
+#include <stdio.h>
+#define ATTR_FORMAT_PRINTF(a, b)  __attribute__((__format__ (__MINGW_PRINTF_FORMAT, a, b)))
+#else
+#define ATTR_FORMAT_PRINTF(a, b)  __attribute__((__format__ (__printf__, a, b)))
+#endif
+#else
+#define ATTR_FORMAT_PRINTF(a, b)
 #endif
 
 #define ROUND_DOWN(num, unit) ((num) & ~((unit) - 1))
@@ -123,8 +130,8 @@ typedef struct funchook_page {
 /* Functions in funchook.c */
 extern const size_t funchook_size;
 extern char funchook_debug_file[];
-void funchook_log(funchook_t *funchook, const char *fmt, ...) __attribute__((__format__ (__printf__, 2, 3)));
-void funchook_set_error_message(funchook_t *funchook, const char *fmt, ...) __attribute__((__format__ (__printf__, 2, 3)));
+void funchook_log(funchook_t *funchook, const char *fmt, ...) ATTR_FORMAT_PRINTF(2, 3);
+void funchook_set_error_message(funchook_t *funchook, const char *fmt, ...) ATTR_FORMAT_PRINTF(2, 3);
 
 /* Functions in funchook_linux.c & funchook_windows.c */
 extern const size_t page_size;
diff --git a/src/funchook_windows.c b/src/funchook_windows.c
index c5f089e..77978e5 100644
--- a/src/funchook_windows.c
+++ b/src/funchook_windows.c
@@ -101,7 +101,7 @@ static int alloc_page_info(funchook_t *funchook, page_list_t **pl_out, void *hin
                                        err, to_errmsg(err, errbuf, sizeof(errbuf)));
             return FUNCHOOK_ERROR_MEMORY_FUNCTION;
         }
-        funchook_log(funchook, "  process map: %016I64x-%016I64x %s\n",
+        funchook_log(funchook, "  process map: "ADDR_FMT"-"ADDR_FMT" %s\n",
                      (size_t)mbi.BaseAddress, (size_t)mbi.BaseAddress + mbi.RegionSize,
                      (mbi.State == MEM_FREE) ? "free" : "used");
         if (mbi.State == MEM_FREE) {
@@ -384,7 +384,7 @@ void *funchook_resolve_func(funchook_t *funchook, void *func)
         size_t immlo = ((size_t)(fn[0] & ADRP_XIP0_IMMLO) >> 29) << 12;
         size_t imm12 = ((size_t)(fn[1] & LDR_XIP0_IMM12) >> 10) << 3;
         pos = addr + immhi + immlo + imm12;
-        // fprintf(stderr, "%016I64x: %08x %08x %08x : %I64x %I64x %I64x %I64x\n", (size_t)fn, fn[0], fn[1], fn[2], addr, immhi, immlo, imm12);
+        // fprintf(stderr, ADDR_FMT": %08x %08x %08x : %"PRIxPTR" %"PRIxPTR" %"PRIxPTR" %"PRIxPTR"\n", (size_t)fn, fn[0], fn[1], fn[2], addr, immhi, immlo, imm12);
         funchook_log(funchook, "  indirect jump to addresss at %p\n", (void*)pos);
     }
 #endif