lonely-tiger/Error.c

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

#include "Error.h"

void eInitError(Error* e, const char* path, int line, const char* format, ...) {
    va_list args;
    va_start(args, format);
    eInitErrorV(e, path, line, format, args);
    va_end(args);
}

void eInitErrorV(Error* e, const char* path, int line, const char* format,
                 va_list ap) {
    e->line = line;
    vsnprintf(e->message, sizeof(e->message), format, ap);
    snprintf(e->paths, sizeof(e->paths), "%s", path);
}

void eInitSuccess(Error* e) {
    e->line = -1;
    e->message[0] = '\0';
    e->paths[0] = '\0';
}

void eAddPath(Error* e, const char* path) {
    char buffer[sizeof(e->paths)];
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wformat-truncation"
    if(e->paths[0] == '\0') {
        snprintf(buffer, sizeof(buffer), "%s", path);
    } else {
        snprintf(buffer, sizeof(buffer), "%s -> %s", path, e->paths);
    }
#pragma GCC diagnostic pop
    memcpy(e->paths, buffer, sizeof(buffer));
}

bool eHasError(const Error* e) {
    return e->line >= 0;
}