error.c

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#include "common/infix_internals.h"
#include <infix/infix.h>
#include <stdarg.h>
#include <string.h>
 
// Use the same thread-local storage mechanism as the test harness for consistency.
#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && !defined(__STDC_NO_THREADS__)
#define INFIX_TLS _Thread_local
#elif defined(__GNUC__) || defined(__clang__)
#define INFIX_TLS __thread
#elif defined(_MSC_VER)
#define INFIX_TLS __declspec(thread)
#else
#define INFIX_TLS
#endif
 
// The thread-local variable that stores the last error.
static INFIX_TLS infix_error_details_t g_infix_last_error = {INFIX_CATEGORY_NONE, INFIX_CODE_SUCCESS, 0, 0, {0}};
 
void _infix_set_error(infix_error_category_t category, infix_error_code_t code, size_t position) {
    g_infix_last_error.category = category;
    g_infix_last_error.code = code;
    g_infix_last_error.position = position;
    g_infix_last_error.system_error_code = 0;
    g_infix_last_error.message[0] = '\0';
}
 
void _infix_set_system_error(infix_error_category_t category,
                             infix_error_code_t code,
                             long system_code,
                             const char * msg) {
    g_infix_last_error.category = category;
    g_infix_last_error.code = code;
    g_infix_last_error.position = 0;
    g_infix_last_error.system_error_code = system_code;
    if (msg) {
        strncpy(g_infix_last_error.message, msg, sizeof(g_infix_last_error.message) - 1);
        g_infix_last_error.message[sizeof(g_infix_last_error.message) - 1] = '\0';
    }
    else
        g_infix_last_error.message[0] = '\0';
}
 
void _infix_clear_error(void) {
    g_infix_last_error.category = INFIX_CATEGORY_NONE;
    g_infix_last_error.code = INFIX_CODE_SUCCESS;
    g_infix_last_error.position = 0;
    g_infix_last_error.system_error_code = 0;
    g_infix_last_error.message[0] = '\0';
}
 
infix_error_details_t infix_get_last_error(void) {
    return g_infix_last_error;
}