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#ifndef L2SU_MACROS_H_INCLUDED
#define L2SU_MACROS_H_INCLUDED

#include "config.h"

#define L2_ARRLEN(_a) (sizeof(_a) / sizeof(*(_a)))
#define L2_CSTRLEN(_s) (L2_ARRLEN(_s) - 1)
#define L2_UNUSED(_v) ((void)(_v))

#include <alloca.h>
#include <string.h>
#include <stdio.h>

/* I LOVE ALLOCA */
#define L2_ASTRCAT2(_var, _s1, _len1, _s2, _len2) do { \
  _var = alloca(_len1 + _len2 + 1);                    \
  memcpy(_var, (_s1), (_len1));                        \
  memcpy(_var + (_len1), (_s2), (_len2));              \
  (_var)[((_len1) + (_len2))] = '\0';                  \
} while (0)

#define L2_ASPRINTF(_var, _tmp, _fmt, ...) do { \
  _tmp = snprintf(NULL, 0, _fmt, __VA_ARGS__);  \
  _var = alloca(_tmp + 1);                      \
  snprintf(_var, _tmp + 1, _fmt, __VA_ARGS__);  \
} while (0)

/* astrdup is a gnu extension */
/* _var: the variable to which the duplicated string is assigned
 * _sz:  the length of the string duplicated (contractually)
 * _in:  the NUL-terminated string to duplicate */
#define L2_ASTRDUP(_var, _sz, _in) do { \
  _sz = strlen(_in);                    \
  _var = alloca(_sz + 1);               \
  memcpy(_var, _in, _sz);               \
  (_var)[(_sz)] = '\0';                 \
} while (0)

#define L2_BADMIN(_v1, _v2) (((_v1) < (_v2)) ? (_v1) : (_v2))
#define L2_BADMAX(_v1, _v2) (((_v1) > (_v2)) ? (_v1) : (_v2))

#define L2_USER_AGENT PROJECT_NAME "/0.1.0 <bigfoot+l2su@figboot.dev>"

#define L2_URL_META_BASE "https://piston-meta.mojang.com"
#define L2_URL_META_VERSION_MANIFEST L2_URL_META_BASE "/mc/game/version_manifest_v2.json"
#define L2_URL_META_RUNTIME_MANIFEST L2_URL_META_BASE "/v1/products/java-runtime/2ec0cc96c44e5a76b9c8b7c39df7210883d12871/all.json"
#define L2_URL_RESOURCES_BASE "https://resources.download.minecraft.net"

#define L2_MSA_CLIENT_ID "60b6cc54-fc07-4bab-bca9-cbe9aa713c80"
#define L2_MSA_SCOPES "Xboxlive.signin offline_access"

#define L2_MSA_URL_XBOX_AUTH "https://login.microsoftonline.com/consumers/oauth2/v2.0/token"
#define L2_MSA_URL_XBOX_LOGIN "https://user.auth.xboxlive.com/user/authenticate"
#define L2_MSA_URL_XBOX_XSTS "https://xsts.auth.xboxlive.com/xsts/authorize"
#define L2_MSA_URL_MINECRAFT_LOGIN "https://api.minecraftservices.com/authentication/login_with_xbox"

#define L2_MC_API_PROFILE "https://api.minecraftservices.com/minecraft/profile"
#define L2_MC_API_OPROFILE_FORMAT "https://sessionserver.mojang.com/session/minecraft/profile/%s?unsigned=false"

#ifdef __GNUC__
#define L2_GNU_ATTRIBUTE(_x) __attribute__(_x)

#define L2_FORMAT(_flavor, _stridx, _argidx) L2_GNU_ATTRIBUTE((format (_flavor, _stridx, _argidx)))
#define L2_SENTINEL L2_GNU_ATTRIBUTE((sentinel))

#define L2_PRAGMA(_x) _Pragma(#_x)
#define L2_DIAG_PUSH L2_PRAGMA(GCC diagnostic push)
#define L2_DIAG_POP  L2_PRAGMA(GCC diagnostic pop)
#define L2_DIAG_IGNORED(_w) L2_PRAGMA(GCC diagnostic ignored #_w)

#else
#define L2_FORMAT(_unused1, _unused2, _unused3)
#define L2_SENTINEL

#define L2_PRAGMA(_x)
#define L2_DIAG_PUSH
#define L2_DIAG_POP
#define L2_DIAG_IGNORED(_w)
#endif

#ifdef __cplusplus
#define L2_RESTRICT
#else
#define L2_RESTRICT restrict
#endif

#endif /* include guard */