C++ (Cpp) romfs_get_file_by_hash Examples

Example #1

File: romfs.c Project: gototop/stm32f429-freertos800

static int romfs_open(void * opaque, const char * path, int flags, int mode) {
    uint32_t h = hash_djb2((const uint8_t *) path, -1);
    const uint8_t * romfs = (const uint8_t *) opaque;
    const uint8_t * file;
    int r = -1;

    file = romfs_get_file_by_hash(romfs, h, NULL);

    if (file) {
        r = fio_open(romfs_read, NULL, romfs_seek, NULL, NULL);
        if (r > 0) {
            romfs_fds[r].file = file;
            romfs_fds[r].cursor = 0;
            fio_set_opaque(r, romfs_fds + r);
        }
    }
    return r;
}

Example #2

File: romfs.c Project: CobooGuo/freertos-basic

static int romfs_open(void * opaque, const char * path, int flags, int mode) {
    uint32_t h = hash_djb2((const uint8_t *) path, -1);
    const uint8_t * romfs = (const uint8_t *) opaque;
    const uint8_t * file;
    int r = -1;

    file = romfs_get_file_by_hash(romfs, h, NULL);

    if (file) {
        r = fio_open(romfs_read, NULL, romfs_seek, NULL, NULL);
        if (r > 0) {
            uint32_t size = get_unaligned(file - 8);
            const uint8_t *filestart = file;
            while(*filestart) ++filestart;
            ++filestart;
            size -= filestart - file;
            romfs_fds[r].file = filestart;
            romfs_fds[r].cursor = 0;
            romfs_fds[r].size = size;
            fio_set_opaque(r, romfs_fds + r);
        }
    }
    return r;
}