pEpEngine/src/platform_unix.c

#define _POSIX_C_SOURCE 200809L

#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include "platform_unix.h"

#define MAX_PATH 1024
#define LOCAL_DB_FILENAME ".pEp_management.db"

#ifndef bool
#define bool int
#define true 1
#define false 0
#endif

const char *unix_local_db(void)
{
    static char buffer[MAX_PATH];
    static bool done = false;

    if (!done) {
        char *p = stpncpy(buffer, getenv("HOME"), MAX_PATH);
        size_t len = MAX_PATH - (p - buffer) - 2;

        if (len < strlen(LOCAL_DB_FILENAME)) {
            assert(0);
            return NULL;
        }

        *p++ = '/';
        strncpy(p, LOCAL_DB_FILENAME, len);
        done = true;
    }
    return buffer;
}

static const char *gpg_conf_path = ".gnupg";
static const char *gpg_conf_name = "gpg.conf";

const char *gpg_conf(void)
{
    static char buffer[MAX_PATH];
    static bool done = false;

    if (!done) {
        char *p = stpncpy(buffer, getenv("HOME"), MAX_PATH);
        size_t len = MAX_PATH - (p - buffer) - 3;

        if (len < strlen(gpg_conf_path) + strlen(gpg_conf_name))
        {
            assert(0);
            return NULL;
        }

        *p++ = '/';
        strncpy(p, gpg_conf_path, len);
        p += strlen(gpg_conf_path);
        len -= strlen(gpg_conf_path) - 1;
        *p++ = '/';
        strncpy(p, gpg_conf_name, len);

        done = true;
    }
    return buffer;
}