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// ================================================================================================
// Example showing how to read/write process memory remotely.
//
// License:
// Copyright (c) 2026 Hunter Kvalevog
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE.
// ================================================================================================
#ifdef _WIN32
# include <windows.h>
#endif
#ifdef __linux__
# include <unistd.h>
#endif
#include <assert.h>
#include <inttypes.h>
#include <stdint.h>
#include <stdio.h>
int tgtnum = 1;
static inline uintptr_t get_process_base_address(void)
{
uintptr_t base = 0;
#ifdef _WIN32
base = (uintptr_t)GetModuleHandleW(0);
#endif
#ifdef __linux__
FILE *maps = fopen("/proc/self/maps", "r");
fscanf(maps, "%" SCNxPTR "-", &base);
fclose(maps);
#endif
assert(base);
return base;
}
static inline void sleep_ms(unsigned ms)
{
#ifdef _WIN32
Sleep(ms);
#endif
#ifdef __linux__
usleep(ms * 1000);
#endif
}
int main(int argc, const char **argv)
{
(void)argc;
(void)argv;
printf("offset: 0x%" PRIxPTR "\n", (uintptr_t)&tgtnum - get_process_base_address());
sleep_ms(3000);
while (1) {
sleep_ms(1000);
printf("tgtnum: %d\n", tgtnum);
}
}
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