Package s2mdec is a decoder of s2mi and s2mh files. Go port of s2m-decoder.
go get -v github.com/sc2-arcade-watcher/s2mdecimport "github.com/sc2-arcade-watcher/s2mdec"$ cd ./s2mdeclibc/
$ make#include "s2mdeclibc.h"// Decode s2mi
char *json = s2mdec_read_s2mi(buf, size);
// Decode s2mh
char *json = s2mdec_read_s2mh(buf, size);
// Decode s2ml
char *json = s2mdec_read_s2ml(buf, size);
// Inline translation
char *json = s2mdec_read_s2mh_s2ml(bufH, sizeH, bufL, sizeL);#include <stdio.h>
#include <stdlib.h>
#include "s2mdeclibc.h"
void main()
{
FILE *f = fopen("a1f3dfd0ceea4562e5045b6ebb0ad97f416308254c137c28455f55e6535c9f8b.s2mh", "rb");
fseek(f, 0, SEEK_END);
long fsize = ftell(f);
fseek(f, 0, SEEK_SET); // rewind(f);
char *string = malloc(fsize + 1);
fread(string, 1, fsize, f);
fclose(f);
char *json = s2mdec_read_s2mh(string, fsize);
printf("%s", json);
free(string);
free(json);
}$ gcc main.c -l:s2mdeclibc -L.
$ 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$ cd ./cmd/s2mdec/
$ make$ ./s2mdec f1cee150f270b7e4f2c1dabbca0838832f06a9f1336affd1e2f5528a841b5b4f.s2mi$ ./s2mdec 396811b3e2b6a4abe6396bccc3dca610915cce8cbfe90c32883ff8d8616af85c.s2mh$ ./s2mdec 68656032d079231b33c6d4c4e1e0710c4d6eee1793a6a640fc05bc6c107e1518.s2ml$ ./s2mdec 396811b3e2b6a4abe6396bccc3dca610915cce8cbfe90c32883ff8d8616af85c.s2mh 68656032d079231b33c6d4c4e1e0710c4d6eee1793a6a640fc05bc6c107e1518.s2ml$ ./s2mdec -c 396811b3e2b6a4abe6396bccc3dca610915cce8cbfe90c32883ff8d8616af85c.s2mh