From 1f985d3fba8f3c9fc213fd81181bf8fb98ba844d Mon Sep 17 00:00:00 2001
From: rgimad <rgimad@kolibrios.org>
Date: Fri, 18 Apr 2025 13:44:42 +0300
Subject: [PATCH] made it compile on gcc linux 64. segfault in preprocess
 calltrick todo fix

---
 kpack_c.c               | 11 +++++++++--
 lzma_c/LZMAEncoderApi.h |  2 ++
 lzma_c/common.h         |  4 ++++
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/kpack_c.c b/kpack_c.c
index 53c730f..1126dc0 100644
--- a/kpack_c.c
+++ b/kpack_c.c
@@ -5,6 +5,9 @@
 #include <stdbool.h>
 #include <unistd.h>
 #include <getopt.h>
+#define __USE_LARGEFILE64
+#define _LARGEFILE_SOURCE
+#define _LARGEFILE64_SOURCE
 #include <sys/stat.h>
 #include "lzma_c/LZMAEncoderApi.h"
 
@@ -91,8 +94,8 @@ unsigned preprocess_calltrick(unsigned char *infile, unsigned insize, unsigned c
     unsigned tmp;
     while (buf_ptr != buf) {
         buf_ptr -= 8;
-        memcpy(&tmp, *buf_ptr, 4);
-        memcpy(tmp - 4, cti, 1);
+        memcpy(&tmp, buf_ptr, 4);
+        memcpy((unsigned char*)(size_t)(tmp - 4), cti, 1);
     }
     free(buf);
     return tmp;
@@ -235,6 +238,10 @@ int main(int argc, char *argv[])
     unsigned ctn;
     unsigned char cti;
 
+    unsigned prep_ct_res1 = preprocess_calltrick(infile_buf, infile_size, ct1, &ctn, &cti);
+
+    // if (....)
+
     // TODO ...
 
     return 0;
diff --git a/lzma_c/LZMAEncoderApi.h b/lzma_c/LZMAEncoderApi.h
index abb7e0b..dae65ca 100644
--- a/lzma_c/LZMAEncoderApi.h
+++ b/lzma_c/LZMAEncoderApi.h
@@ -1,6 +1,8 @@
 #ifndef LZMA_ENCODER_API_H_
 #define LZMA_ENCODER_API_H_
 
+#include "common.h"
+
 void __stdcall lzma_set_dict_size(unsigned logdictsize);
 
 unsigned __stdcall lzma_compress(
diff --git a/lzma_c/common.h b/lzma_c/common.h
index 4db706e..3ad1455 100644
--- a/lzma_c/common.h
+++ b/lzma_c/common.h
@@ -17,6 +17,10 @@
 // #define true 1
 // #define false 0
 
+#ifndef __stdcall
+#define __stdcall __attribute__((stdcall))
+#endif
+
 typedef uint8_t byte;
 typedef uint16_t word;
 typedef uint64_t uint64;