C++ (Cpp) write_string_data Examples

Example #1

File: su.c Project: Lekensteyn/Superuser

static int socket_send_request(int fd, const struct su_context *ctx) {
#define write_data(fd, data, data_len)              \
do {                                                \
    size_t __len = htonl(data_len);                 \
    __len = write((fd), &__len, sizeof(__len));     \
    if (__len != sizeof(__len)) {                   \
        PLOGE("write(" #data ")");                  \
        return -1;                                  \
    }                                               \
    __len = write((fd), data, data_len);            \
    if (__len != data_len) {                        \
        PLOGE("write(" #data ")");                  \
        return -1;                                  \
    }                                               \
} while (0)

#define write_string_data(fd, name, data)        \
do {                                        \
    write_data(fd, name, strlen(name));     \
    write_data(fd, data, strlen(data));     \
} while (0)

// stringify everything.
#define write_token(fd, name, data)         \
do {                                        \
    char buf[16];                           \
    snprintf(buf, sizeof(buf), "%d", data); \
    write_string_data(fd, name, buf);            \
} while (0)

    write_token(fd, "version", PROTO_VERSION);
    write_token(fd, "binary.version", VERSION_CODE);
    write_token(fd, "pid", ctx->from.pid);
    write_string_data(fd, "from.name", ctx->from.name);
    write_string_data(fd, "to.name", ctx->to.name);
    write_token(fd, "from.uid", ctx->from.uid);
    write_token(fd, "to.uid", ctx->to.uid);
    write_string_data(fd, "from.bin", ctx->from.bin);
    // TODO: Fix issue where not using -c does not result a in a command
    write_string_data(fd, "command", get_command(&ctx->to));
    write_token(fd, "eof", PROTO_VERSION);
    return 0;
}

Example #2

File: su.c Project: phhusson/Superuser

static int socket_send_request(int fd, const struct su_context *ctx) {
    write_token(fd, "version", PROTO_VERSION);
    write_token(fd, "binary.version", VERSION_CODE);
    write_token(fd, "pid", ctx->from.pid);
    write_string_data(fd, "from.name", ctx->from.name);
    write_string_data(fd, "to.name", ctx->to.name);
    write_token(fd, "from.uid", ctx->from.uid);
    write_token(fd, "to.uid", ctx->to.uid);
    write_string_data(fd, "from.bin", ctx->from.bin);
    write_string_data(fd, "bind.from", ctx->bind.from);
    write_string_data(fd, "bind.to", ctx->bind.to);
    write_string_data(fd, "init", ctx->init);
    // TODO: Fix issue where not using -c does not result a in a command
    write_string_data(fd, "command", get_command(&ctx->to));
    write_token(fd, "eof", PROTO_VERSION);
    return 0;
}