mrtk_context.c

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/*------------------------------------------------------------------------------
 * mrtk_context.c : MRTKLIB legacy context management
 *
 * Copyright (C) 2026 H.SHIONO (MRTKLIB Project)
 * Copyright (C) 2023-2025 Cabinet Office, Japan
 * Copyright (C) 2024-2025 Lighthouse Technology & Consulting Co. Ltd.
 * Copyright (C) 2023-2025 Japan Aerospace Exploration Agency
 * Copyright (C) 2023-2025 TOSHIBA ELECTRONIC TECHNOLOGIES CORPORATION
 * Copyright (C) 2015- Mitsubishi Electric Corp.
 * Copyright (C) 2014 Geospatial Information Authority of Japan
 * Copyright (C) 2014 T.SUZUKI
 * Copyright (C) 2007-2023 T.TAKASU
 *
 * SPDX-License-Identifier: BSD-2-Clause
 *----------------------------------------------------------------------------*/
#include "mrtklib/mrtk_context.h"
 
#include <stdlib.h>
#include <string.h>
 
/*============================================================================
 * Global Context (transitional)
 *===========================================================================*/
 
mrtk_ctx_t* g_mrtk_ctx = NULL;
 
/*============================================================================
 * Lifecycle Functions
 *===========================================================================*/
 
mrtk_ctx_t* mrtk_ctx_create(void) {
    mrtk_ctx_t* ctx = (mrtk_ctx_t*)calloc(1, sizeof(mrtk_ctx_t));
    if (!ctx) {
        return NULL;
    }
 
    ctx->is_running = 0;
    ctx->cancel_requested = 0;
    ctx->last_err_code = MRTK_OK;
    ctx->last_err_msg[0] = '\0';
    ctx->trace_level = 0;
    ctx->trace_fp = NULL;
    ctx->tick_trace = 0;
    ctx->user_data = NULL;
    ctx->cb_showmsg = NULL;
 
    return ctx;
}
 
void mrtk_ctx_destroy(mrtk_ctx_t* ctx) {
    if (!ctx) {
        return;
    }
 
    /* Close trace file if not stdout/stderr */
    if (ctx->trace_fp && ctx->trace_fp != stdout && ctx->trace_fp != stderr) {
        fclose(ctx->trace_fp);
        ctx->trace_fp = NULL;
    }
 
    memset(ctx, 0, sizeof(mrtk_ctx_t));
    free(ctx);
}