bool plcrash_async_file_write()

in Source/PLCrashAsync.c [454:489]

• 25 lines of code
• 8 McCabe index (conditional complexity)

bool plcrash_async_file_write (plcrash_async_file_t *file, const void *data, size_t len) {
    /* Check and update output limit */
    if (file->limit_bytes != 0 && len + file->total_bytes > file->limit_bytes) {
        return false;
    } else if (file->limit_bytes != 0) {
        file->total_bytes += len;
    }

    /* Check if the buffer will fill */
    if (file->buflen + len > sizeof(file->buffer)) {
        /* Flush the buffer */
        if (plcrash_async_writen(file->fd, file->buffer, file->buflen) < 0) {
            PLCF_DEBUG("Error occured writing to crash log: %s", strerror(errno));
            return false;
        }
        
        file->buflen = 0;
    }
    
    /* Check if the new data fits within the buffer, if so, buffer it */
    if (len + file->buflen <= sizeof(file->buffer)) {
        plcrash_async_memcpy(file->buffer + file->buflen, data, len);
        file->buflen += len;
        
        return true;
        
    } else {
        /* Won't fit in the buffer, just write it */
        if (plcrash_async_writen(file->fd, data, len) < 0) {
            PLCF_DEBUG("Error occured writing to crash log: %s", strerror(errno));
            return false;
        }
        
        return true;
    } 
}