driver.c

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#include        <stdio.h>
#include        "driver.h"
#include        "config.h"
#include        "lirc_log.h"

struct driver drv;

const char* const OPTION_FMT = "%32s%64s";

const struct driver const* curr_driver = &drv;

int default_open(const char* path)
{
        static char buff[128];

        if (path == NULL) {
                if (drv.device == NULL)
                        drv.device = LIRC_DRIVER_DEVICE;
        } else {
                strncpy(buff, path, sizeof(buff) - 1);
                drv.device = buff;
        }
        logprintf(LIRC_INFO, "Initial device: %s", drv.device);
        return 0;
}

int default_close(void)
{
        return 0;
}

int default_drvctl(unsigned int fd, void* arg)
{
        return DRV_ERR_NOT_IMPLEMENTED;
}


int drv_handle_options(const char* options)
{
        char* s;
        char* token;
        struct option_t option;
        int found;
        char* colon;
        int result;

        s = alloca(strlen(options) + 1);
        strcpy(s, options);
        for (token = strtok(s, "|"); token != NULL; token = strtok(NULL, "|")) {
                colon = strstr(token, ":");
                if (colon == NULL)
                        return DRV_ERR_BAD_OPTION;
                *colon = ' ';
                found = sscanf(token, OPTION_FMT, option.key, option.value);
                if (found != 2)
                        return DRV_ERR_BAD_OPTION;
                if (!curr_driver->drvctl_func)
                        continue;
                result = curr_driver->drvctl_func(DRVCTL_SET_OPTION, (void*) &option);
                if (result != 0)
                        return result;
        }
        return 0;
}