/* See LICENSE file for copyright and license details. */
#include "libgamma.h"
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
#ifdef __WIN32__
# define gid_t short
#endif
#if LIBGAMMA_CRTC_INFO_COUNT != 15
# error CRTC information fields have been updated
#endif
/**
* X macro of all integer gamma ramps
*
* @param _:macro(identifer) Macro to expand
*/
#define LIST_INTEGER_RAMPS(_) _(ramps8) _(ramps32) _(ramps64) _(ramps16)
/**
* X macro of all floating-point gamma ramps
*
* @param _:macro(identifer) Macro to expand
*/
#define LIST_FLOAT_RAMPS(_) _(rampsf) _(rampsd)
/**
* X macro of all gamma ramps
*
* @param _:macro(identifer) Macro to expand
*/
#define LIST_RAMPS(_) LIST_FLOAT_RAMPS(_) LIST_INTEGER_RAMPS(_)
/* ramps16 is last because we want to make sure that the gamma ramps are
preserved exactly on exit, and we assume X RandR is used. */
/**
* Test mapping function from [0, 1] float encoding value to [0, 2⁸ − 1] integer output value
*
* @param encoding [0, 1] float encoding value
* @return [0, 2⁸ − 1] integer output value
*/
LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
static uint8_t
dim_ramps8(float encoding)
{
double i_encoding = (double)(encoding / 2.f);
double f_output = (double)UINT8_MAX * i_encoding;
uint8_t output = (uint8_t)f_output;
if (i_encoding < (double)0.25f && output > UINT8_MAX / 2)
output = 0;
if (i_encoding > (double)0.75f && output < UINT8_MAX / 2)
output = UINT8_MAX;
return output;
}
/**
* Test mapping function from [0, 1] float encoding value to [0, 2¹⁶ − 1] integer output value
*
* @param encoding [0, 1] float encoding value
* @return [0, 2¹⁶ − 1] integer output value
*/
LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
static uint16_t
dim_ramps16(float encoding)
{
double i_encoding = (double)(encoding / 2.f);
double f_output = (double)UINT16_MAX * i_encoding;
uint16_t output = (uint16_t)f_output;
if (i_encoding < (double)0.25f && output > UINT16_MAX / 2)
output = 0;
if (i_encoding > (double)0.75f && output < UINT16_MAX / 2)
output = UINT16_MAX;
return output;
}
/**
* Test mapping function from [0, 1] float encoding value to [0, 2³² − 1] integer output value
*
* @param encoding [0, 1] float encoding value
* @return [0, 2³² − 1] integer output value
*/
LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
static uint32_t
dim_ramps32(float encoding)
{
double i_encoding = (double)(encoding / 2.f);
double f_output = (double)UINT32_MAX * i_encoding;
uint32_t output = (uint32_t)f_output;
if (i_encoding < (double)0.25f && output > UINT32_MAX / 2)
output = 0;
if (i_encoding > (double)0.75f && output < UINT32_MAX / 2)
output = UINT32_MAX;
return output;
}
/**
* Test mapping function from [0, 1] float encoding value to [0, 2⁶⁴ − 1] integer output value
*
* @param encoding [0, 1] float encoding value
* @return [0, 2⁶⁴ − 1] integer output value
*/
LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
static uint64_t
dim_ramps64(float encoding)
{
double i_encoding = (double)(encoding / 2.f);
double f_output = (double)UINT64_MAX * i_encoding;
uint64_t output = (uint64_t)f_output;
if (i_encoding < (double)0.25f && output > UINT64_MAX / 2)
output = 0;
if (i_encoding > (double)0.75f && output < UINT64_MAX / 2)
output = UINT64_MAX;
return output;
}
/**
* Test mapping function from [0, 1] float encoding value to [0, 1] float output value
*
* @param encoding [0, 1] float encoding value
* @return [0, 1] float output value
*/
LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
static float
dim_rampsf(float encoding)
{
return encoding / 2.f;
}
/**
* Test mapping function from [0, 1] double precision float encoding
* value to [0, 1] double precision float output value
*
* @param encoding [0, 1] float encoding value
* @return [0, 1] float output value
*/
LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
static double
dim_rampsd(double encoding)
{
return encoding / (double)2.f;
}
/**
* Get the name representation of an
* adjustment method by its identifier
*
* @param method The identifier of the adjustment method
* @return The name of the adjustment
*/
LIBGAMMA_GCC_ONLY__(__attribute__((__const__)))
static const char *
method_name(int method)
{
const char *r = libgamma_name_of_method(method);
return r ? r : "(unknown)";
}
/**
* Print a list of adjustment methods
*
* @param description Precursory text for the list
* @param methods An array allocated to fit all adjustment methods
* @param operation See the `operation` parameter for `libgamma_list_methods`
*/
static void
list_methods(const char *description, int *methods, int operation)
{
/* Get adjustment method list */
size_t i, n = libgamma_list_methods(methods, LIBGAMMA_METHOD_COUNT, operation);
/* Print adjustment method list */
printf("%s:", description);
for (i = 0; i < n; i++)
printf(" %s", method_name(methods[i]));
printf("\n");
}
/**
* Print all lists, of adjustments methods, that
* are made available by `libgamma_list_methods`
*/
static void
list_methods_lists(void)
{
/* Allocate a list for adjustment methods that is large
* enough if the program is up to date with the library */
int methods[LIBGAMMA_METHOD_COUNT];
/* Print adjustment method lists. */
list_methods("Available adjustment methods", methods, 4);
list_methods("Available real adjustment methods", methods, 3);
list_methods("Available real non-fake adjustment methods", methods, 2);
list_methods("Recommended adjustment methods", methods, 1);
list_methods("Recommended non-fake adjustment methods", methods, 0);
printf("\n");
}
/**
* Test the availability (determined at
* compile-time) of all adjustment
* methods and one that does not exist
*/
static void
method_availability(void)
{
int method;
/* The availability of an adjustmen method whose identifier
* is invalid. It should say it is not available. */
printf("Testing the availability of a non-existing adjustment method: ");
printf("%s\n", libgamma_is_method_available(-1) ? "available" : "not available");
/* Test the availability of the adjustment methods that does exist */
for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
printf("Testing the availability of %s: ", method_name(method));
printf("%s\n", libgamma_is_method_available(method) ? "available" : "not available");
}
printf("\n");
}
/**
* List the default site and the environment
* variable, if any, that determines the
* default site, for all availiable adjustment
* methods
*/
static void
list_default_sites(void)
{
int method;
for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
/* Include only available adjustment methods.
* If an adjustment method is not available
* it should print "(null)", but as that can
* be misguiding we exclude those methods. */
if (libgamma_is_method_available(method)) {
printf("Default site for %s:\n", method_name(method));
printf(" Variable: %s\n", libgamma_method_default_site_variable(method));
printf(" Site name: %s\n", libgamma_method_default_site(method));
printf("\n");
}
}
}
/**
* Print the capabilities of all availiable
* adjustment methods.
*/
static void
method_capabilities(void)
{
struct libgamma_method_capabilities caps;
int method;
for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++) {
if (libgamma_is_method_available(method)) {
/* Print adjustment method name and get the
* adjustment method's capabilities. */
printf("Capabilities of %s:\n", method_name(method));
libgamma_method_capabilities(&caps, sizeof(caps), method);
if (caps.struct_version != LIBGAMMA_METHOD_CAPABILITIES_STRUCT_VERSION) {
fprintf(stderr, "LIBGAMMA_METHOD_CAPABILITIES_STRUCT_VERSION must be updated\n");
exit(1);
}
/* Print capabilities. The CRTC information
* capabilities is printed hexadecimal. See
* the `LIBGAMMA_CRTC_INFO_*` definitions in
* `libgamma.h` for what each bit represents. */
printf(" %s: %llx\n", "CRTC information", caps.crtc_information);
printf(" %s: %s\n", "Default site known", caps.default_site_known ? "yes" : "no");
printf(" %s: %s\n", "Multiple sites", caps.multiple_sites ? "yes" : "no");
printf(" %s: %s\n", "Multiple partitions", caps.multiple_partitions ? "yes" : "no");
printf(" %s: %s\n", "Multiple crtcs", caps.multiple_crtcs ? "yes" : "no");
printf(" %s: %s\n", "Graphics cards", caps.partitions_are_graphics_cards ? "yes" : "no");
printf(" %s: %s\n", "Site restore", caps.site_restore ? "yes" : "no");
printf(" %s: %s\n", "Partition restore", caps.partition_restore ? "yes" : "no");
printf(" %s: %s\n", "CRTC restore", caps.crtc_restore ? "yes" : "no");
printf(" %s: %s\n", "Identical gamma sizes", caps.identical_gamma_sizes ? "yes" : "no");
printf(" %s: %s\n", "Fixed gamma size", caps.fixed_gamma_size ? "yes" : "no");
printf(" %s: %s\n", "Fixed gamma depth", caps.fixed_gamma_depth ? "yes" : "no");
printf(" %s: %s\n", "Real method", caps.real ? "yes" : "no");
printf(" %s: %s\n", "Fake method", caps.fake ? "yes" : "no");
printf(" %s: %s\n", "Auto restore", caps.auto_restore ? "yes" : "no");
printf("\n");
}
}
}
/**
* Let the user select adjustment method, site, partition and CRTC
*
* @param site_state Output slot for the site
* @param part_state Output slot for the partition
* @param crtc_state Output slot for the CRTC
* @return Zero on and only on success
*/
static int
select_monitor(struct libgamma_site_state *site_state, struct libgamma_partition_state *part_state,
struct libgamma_crtc_state *crtc_state)
{
int method;
char *site;
char *tmp;
char buf[256];
int r;
/* -- Adjustment method -- */
/* Let the user select adjustment method */
printf("Select adjustment method:\n");
for (method = 0; method < LIBGAMMA_METHOD_COUNT; method++)
printf(" %i: %s\n", method, method_name(method));
printf("> ");
fflush(stdout);
fgets(buf, sizeof(buf), stdin);
method = atoi(buf);
/* -- Site -- */
/* Let the user select site */
printf("Select site: ");
fflush(stdout);
fgets(buf, sizeof(buf), stdin);
tmp = strchr(buf, '\n');
if (tmp)
*tmp = '\0';
if (!buf[0]) {
site = NULL;
} else {
site = malloc((strlen(buf) + 1) * sizeof(char));
memcpy(site, buf, strlen(buf) + 1);
}
/* Initialise site state */
if ((r = libgamma_site_initialise(site_state, method, site))) {
free(site);
libgamma_perror("error", r);
return 1;
}
/* -- Partition -- */
/* Check that the site has at least one partition */
if (!site_state->partitions_available) {
libgamma_site_free(site_state);
printf("No partitions found\n");
return 1;
}
/* Let the user select partition */
printf("Select partition [0, %lu]: ", site_state->partitions_available - 1);
fflush(stdout);
fgets(buf, sizeof(buf), stdin);
/* Initialise partition state */
if ((r = libgamma_partition_initialise(part_state, site_state, (size_t)atoll(buf)))) {
libgamma_site_free(site_state);
libgamma_perror("error", r);
return 1;
}
/* -- CRTC -- */
/* Check that the partition has at least one CRTC */
if (!part_state->crtcs_available) {
libgamma_partition_free(part_state);
libgamma_site_free(site_state);
printf("No CRTC:s found\n");
return 1;
}
/* Let the user select CRTC */
printf("Select CRTC [0, %lu]: ", part_state->crtcs_available - 1);
fflush(stdout);
fgets(buf, sizeof(buf), stdin);
/* Initialise CRTC state. */
if ((r = libgamma_crtc_initialise(crtc_state, part_state, (size_t)atoll(buf)))) {
libgamma_partition_free(part_state);
libgamma_site_free(site_state);
libgamma_perror("error", r);
return 1;
}
printf("\n");
return 0;
}
/**
* Conditionally print a CRTC information field
*
* @param type:data-type Data type for the value of the information field
* @param notation:string-literal %-pattern for `printf` (excluding the %) that is used for `type`
* @param do_print Whether the information should be included in the process's output
* @param description A description of the information field
* @param error The error of the information field
* @param value The value of the information field
*/
#define PRINT_CRTC_INFORMATION(type, notation)\
static void\
print_crtc_information_##type(int do_print, const char *description, int error, type value)\
{\
char buf[256];\
if (do_print) {\
if (error) {\
snprintf(buf, sizeof(buf), " (error) %s", description);\
libgamma_perror(buf, error);\
} else {\
printf(" %s: %" notation "\n", description, value);\
}\
}\
}
/**
* A single [a-z] word alternative to `const char *`, we need it for the
* function name of the string variant of `print_crtc_information_*`
*/
typedef const char *str;
/* Create `print_crtc_information_*` variants */
PRINT_CRTC_INFORMATION(size_t, "lu")
PRINT_CRTC_INFORMATION(signed, "i")
PRINT_CRTC_INFORMATION(int, "i")
#ifdef __GNUC__
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wdouble-promotion"
#endif
PRINT_CRTC_INFORMATION(float, "f")
#ifdef __GNUC__
# pragma GCC diagnostic pop
#endif
PRINT_CRTC_INFORMATION(str, "s")
#undef PRINT_CRTC_INFORMATION
/**
* Get a string representation of a subpixel order
*
* @param value The subpixel order
* @return String representation
*/
static const char *
subpixel_order_str(enum libgamma_subpixel_order value)
{
const char *r = libgamma_name_of_subpixel_order(value);
return r ? r : "(unknown)";
}
/**
* Get a string representation of a connector type
*
* @param value The connector type
* @return String representation
*/
static const char *
connector_type_str(enum libgamma_connector_type value)
{
const char *r = libgamma_name_of_connector_type(value);
return r ? r : "(unknown)";
}
/**
* Get a string representation of a decision
*
* @param value The decision
* @return String representation
*/
static const char *
decision_str(enum libgamma_decision value)
{
switch (value) {
case LIBGAMMA_NO: return "LIBGAMMA_NO";
case LIBGAMMA_MAYBE: return "LIBGAMMA_MAYBE";
case LIBGAMMA_YES: return "LIBGAMMA_YES";
default:
return "(unknown)";
}
}
/**
* The CRTC information for a CRTC
*
* @param crtc The CRTC
*/
static void
crtc_information(struct libgamma_crtc_state *restrict crtc)
{
struct libgamma_method_capabilities caps;
struct libgamma_crtc_information info;
unsigned long long fields, field;
char *edid_lc, *edid_uc;
unsigned char *edid_raw;
/* Get supported CRTC informations fields */
libgamma_method_capabilities(&caps, sizeof(caps), crtc->partition->site->method);
if (caps.struct_version != LIBGAMMA_METHOD_CAPABILITIES_STRUCT_VERSION) {
fprintf(stderr, "LIBGAMMA_METHOD_CAPABILITIES_STRUCT_VERSION must be updated\n");
exit(1);
}
/* List unsupport information fields by testing them one by one */
for (fields = caps.crtc_information; field = fields & -fields, fields; fields ^= field) {
if (libgamma_get_crtc_information(&info, sizeof(info), crtc, field))
printf("Could not read CRTC information field %llu\n", field);
free(info.edid);
free(info.connector_name);
}
/* Get CRTC information, that is supported */
fields = caps.crtc_information;
if (libgamma_get_crtc_information(&info, sizeof(info), crtc, fields))
printf("An error occurred while reading CRTC information\n");
if (info.struct_version != LIBGAMMA_CRTC_INFORMATION_STRUCT_VERSION) {
fprintf(stderr, "LIBGAMMA_CRTC_INFORMATION_STRUCT_VERSION must be updated\n");
exit(1);
}
/* Macros for printing CRTC information */
#define PRINT2(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR, ERROR_VAR)\
print_crtc_information_##TYPE(fields & FIELD_ID, DESCRIPTION, info.ERROR_VAR, info.FIELD_VAR);
#define PRINT(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR)\
PRINT2(TYPE, FIELD_ID, DESCRIPTION, FIELD_VAR, FIELD_VAR##_error);
/* Print CRTC information */
printf("CRTC information:\n");
/* Print the EDID field */
if ((fields & LIBGAMMA_CRTC_INFO_EDID)) {
if (info.edid_error) {
libgamma_perror(" (error) EDID", info.edid_error);
} else {
edid_lc = libgamma_behex_edid(info.edid, info.edid_length);
edid_raw = libgamma_unhex_edid(edid_lc);
edid_uc = libgamma_behex_edid_uppercase(edid_raw, info.edid_length);
printf(" EDID: %s\n", edid_lc);
printf(" EDID (uppercase): %s\n", edid_uc);
printf(" EDID (length): %lu\n", info.edid_length);
free(edid_lc);
free(edid_raw);
free(edid_uc);
}
}
/* Print physical dimensions of the monitor */
PRINT(size_t, LIBGAMMA_CRTC_INFO_WIDTH_MM, "width", width_mm);
PRINT(size_t, LIBGAMMA_CRTC_INFO_HEIGHT_MM, "height", height_mm);
PRINT(size_t, LIBGAMMA_CRTC_INFO_WIDTH_MM_EDID, "width per EDID", width_mm_edid);
PRINT(size_t, LIBGAMMA_CRTC_INFO_HEIGHT_MM_EDID, "height per EDID", height_mm_edid);
/* Print gamma ramp information */
PRINT2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "red gamma ramp size", red_gamma_size, gamma_size_error);
PRINT2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "green gamma ramp size", green_gamma_size, gamma_size_error);
PRINT2(size_t, LIBGAMMA_CRTC_INFO_GAMMA_SIZE, "blue gamma ramp size", blue_gamma_size, gamma_size_error);
PRINT(signed, LIBGAMMA_CRTC_INFO_GAMMA_DEPTH, "gamma ramp depth", gamma_depth);
/* Print gamma ramp support */
if (fields & LIBGAMMA_CRTC_INFO_GAMMA_SUPPORT) {
if (info.gamma_support_error)
libgamma_perror(" (error) gamma support", info.gamma_support_error);
else
printf(" gamma support: %s\n", decision_str(info.gamma_support));
}
/* Print subpixel order for the monitor */
if (fields & LIBGAMMA_CRTC_INFO_SUBPIXEL_ORDER) {
if (info.subpixel_order_error)
libgamma_perror(" (error) subpixel order", info.subpixel_order_error);
else
printf(" subpixel order: %s\n", subpixel_order_str(info.subpixel_order));
}
/* Print connector information */
PRINT(int, LIBGAMMA_CRTC_INFO_ACTIVE, "active", active);
PRINT(str, LIBGAMMA_CRTC_INFO_CONNECTOR_NAME, "connector name", connector_name);
if (fields & LIBGAMMA_CRTC_INFO_CONNECTOR_TYPE) {
if (info.connector_type_error)
libgamma_perror(" (error) subpixel order", info.connector_type_error);
else
printf(" subpixel order: %s\n", connector_type_str(info.connector_type));
}
/* Print the gamma characteristics of the monitor */
PRINT2(float, LIBGAMMA_CRTC_INFO_GAMMA, "red gamma characteristics", gamma_red, gamma_error);
PRINT2(float, LIBGAMMA_CRTC_INFO_GAMMA, "green gamma characteristics", gamma_green, gamma_error);
PRINT2(float, LIBGAMMA_CRTC_INFO_GAMMA, "blue gamma characteristics", gamma_blue, gamma_error);
/* Print the colour space of the monitor */
PRINT2(float, LIBGAMMA_CRTC_INFO_CHROMA, "red chroma x", red_chroma_x, chroma_error);
PRINT2(float, LIBGAMMA_CRTC_INFO_CHROMA, "red chroma y", red_chroma_y, chroma_error);
PRINT2(float, LIBGAMMA_CRTC_INFO_CHROMA, "green chroma x", green_chroma_x, chroma_error);
PRINT2(float, LIBGAMMA_CRTC_INFO_CHROMA, "green chroma y", green_chroma_y, chroma_error);
PRINT2(float, LIBGAMMA_CRTC_INFO_CHROMA, "blue chroma x", blue_chroma_x, chroma_error);
PRINT2(float, LIBGAMMA_CRTC_INFO_CHROMA, "blue chroma y", blue_chroma_y, chroma_error);
PRINT2(float, LIBGAMMA_CRTC_INFO_WHITE_POINT, "white point x", white_point_x, white_point_error);
PRINT2(float, LIBGAMMA_CRTC_INFO_WHITE_POINT, "white point y", white_point_y, white_point_error);
printf("\n");
#undef PRINT
#undef PRINT2
/* Release resouces */
free(info.edid);
free(info.connector_name);
}
/**
* Test that count macros are set to the same values as the count variables
*/
static void
test_count_consts(void)
{
if (LIBGAMMA_ERROR_MIN != libgamma_error_min) {
fprintf(stderr, "LIBGAMMA_ERROR_MIN != libgamma_error_min\n");
exit(1);
}
if (LIBGAMMA_METHOD_COUNT != libgamma_method_count) {
fprintf(stderr, "LIBGAMMA_METHOD_COUNT != libgamma_method_count\n");
exit(1);
}
if (LIBGAMMA_CONNECTOR_TYPE_COUNT != libgamma_connector_type_count) {
fprintf(stderr, "LIBGAMMA_CONNECTOR_TYPE_COUNT != libgamma_connector_type_count\n");
exit(1);
}
if (LIBGAMMA_SUBPIXEL_ORDER_COUNT != libgamma_subpixel_order_count) {
fprintf(stderr, "LIBGAMMA_SUBPIXEL_ORDER_COUNT != libgamma_subpixel_order_count\n");
exit(1);
}
}
/**
* Test functions for connector types
*/
static void
test_connector_types(void)
{
size_t n = 0;
char buf[128], *w;
const char *r;
enum libgamma_connector_type type;
#define X(CONST)\
do {\
if ((unsigned int)CONST >= (unsigned int)LIBGAMMA_CONNECTOR_TYPE_COUNT) {\
fprintf(stderr, "%s >= LIBGAMMA_CONNECTOR_TYPE_COUNT\n", #CONST);\
exit(1);\
}\
if (!libgamma_const_of_connector_type(CONST)) {\
fprintf(stderr, "libgamma_const_of_connector_type(%s) == NULL\n", #CONST);\
exit(1);\
}\
if (!libgamma_name_of_connector_type(CONST)) {\
fprintf(stderr, "libgamma_name_of_connector_type(%s) == NULL\n", #CONST);\
exit(1);\
}\
if (strcmp(libgamma_const_of_connector_type(CONST), #CONST)) {\
fprintf(stderr, "libgamma_const_of_connector_type(%s) != \"%s\"\n", #CONST, #CONST);\
exit(1);\
}\
type = (enum libgamma_connector_type)-1;\
if (libgamma_value_of_connector_type(#CONST, &type) || type != CONST) {\
fprintf(stderr, "libgamma_value_of_connector_type(\"%s\") != %s\n", #CONST, #CONST);\
exit(1);\
}\
type = (enum libgamma_connector_type)-1;\
if (libgamma_value_of_connector_type(libgamma_name_of_connector_type(CONST), &type) || type != CONST) {\
fprintf(stderr, "libgamma_value_of_connector_type(libgamma_name_of_connector_type(%s)) != %s\n",\
#CONST, #CONST); \
exit(1);\
}\
type = (enum libgamma_connector_type)-1;\
if (libgamma_value_of_connector_type(#CONST, &type) || type != CONST) { \
fprintf(stderr, "libgamma_value_of_connector_type(\"%s\") != %s\n", #CONST, #CONST);\
exit(1);\
}\
if (strlen(libgamma_name_of_connector_type(CONST)) >= sizeof(buf)) {\
fprintf(stderr, "strlen(libgamma_name_of_connector_type(%s) >= %zu\n", #CONST, sizeof(buf));\
exit(1);\
}\
r = libgamma_name_of_connector_type(CONST);\
for (w = buf; *r; r++)\
if (*r != ' ' && *r != '-')\
*w++ = *r;\
*w = '\0';\
if (strcasecmp(buf, &#CONST[sizeof("LIBGAMMA_CONNECTOR_TYPE_") - 1])) {\
fprintf(stderr, "libgamma_name_of_connector_type(%s) without [ -] != %s, ignoreing case\n",\
#CONST, &#CONST[sizeof("LIBGAMMA_CONNECTOR_TYPE_") - 1]);\
exit(1);\
}\
n += 1;\
} while (0)
X(LIBGAMMA_CONNECTOR_TYPE_Unknown);
X(LIBGAMMA_CONNECTOR_TYPE_VGA);
X(LIBGAMMA_CONNECTOR_TYPE_DVI);
X(LIBGAMMA_CONNECTOR_TYPE_DVII);
X(LIBGAMMA_CONNECTOR_TYPE_DVID);
X(LIBGAMMA_CONNECTOR_TYPE_DVIA);
X(LIBGAMMA_CONNECTOR_TYPE_Composite);
X(LIBGAMMA_CONNECTOR_TYPE_SVIDEO);
X(LIBGAMMA_CONNECTOR_TYPE_LVDS);
X(LIBGAMMA_CONNECTOR_TYPE_Component);
X(LIBGAMMA_CONNECTOR_TYPE_9PinDIN);
X(LIBGAMMA_CONNECTOR_TYPE_DisplayPort);
X(LIBGAMMA_CONNECTOR_TYPE_HDMI);
X(LIBGAMMA_CONNECTOR_TYPE_HDMIA);
X(LIBGAMMA_CONNECTOR_TYPE_HDMIB);
X(LIBGAMMA_CONNECTOR_TYPE_TV);
X(LIBGAMMA_CONNECTOR_TYPE_eDP);
X(LIBGAMMA_CONNECTOR_TYPE_VIRTUAL);
X(LIBGAMMA_CONNECTOR_TYPE_DSI);
X(LIBGAMMA_CONNECTOR_TYPE_LFP);
X(LIBGAMMA_CONNECTOR_TYPE_DPI);
X(LIBGAMMA_CONNECTOR_TYPE_WRITEBACK);
X(LIBGAMMA_CONNECTOR_TYPE_SPI);
#undef X
if (n != LIBGAMMA_CONNECTOR_TYPE_COUNT) {
fprintf(stderr, "List of connector types in `test_connector_types` must be updated");
exit(1);
}
if (libgamma_name_of_connector_type(-1)) {
fprintf(stderr, "libgamma_name_of_connector_type(<invalid>) != NULL\n");
exit(1);
}
if (libgamma_const_of_connector_type(-1)) {
fprintf(stderr, "libgamma_const_of_connector_type(<invalid>) != NULL\n");
exit(1);
}
if (libgamma_value_of_connector_type("", &type) != LIBGAMMA_CONNECTOR_TYPE_NOT_RECOGNISED) {
fprintf(stderr, "libgamma_value_of_connector_type(<invalid>) != LIBGAMMA_CONNECTOR_TYPE_NOT_RECOGNISED\n");
exit(1);
}
}
/**
* Test functions for subpixel orders
*/
static void
test_subpixel_orders(void)
{
size_t n = 0;
char buf[128], *w;
const char *r;
enum libgamma_subpixel_order order;
#define X(CONST)\
do {\
if ((unsigned int)CONST >= (unsigned int)LIBGAMMA_SUBPIXEL_ORDER_COUNT) {\
fprintf(stderr, "%s >= LIBGAMMA_SUBPIXEL_ORDER_COUNT\n", #CONST);\
exit(1);\
}\
if (!libgamma_const_of_subpixel_order(CONST)) {\
fprintf(stderr, "libgamma_const_of_subpixel_order(%s) == NULL\n", #CONST);\
exit(1);\
}\
if (!libgamma_name_of_subpixel_order(CONST)) {\
fprintf(stderr, "libgamma_name_of_subpixel_order(%s) == NULL\n", #CONST);\
exit(1);\
}\
if (strcmp(libgamma_const_of_subpixel_order(CONST), #CONST)) {\
fprintf(stderr, "libgamma_const_of_subpixel_order(%s) != \"%s\"\n", #CONST, #CONST);\
exit(1);\
}\
order = (enum libgamma_subpixel_order)-1;\
if (libgamma_value_of_subpixel_order(#CONST, &order) || order != CONST) {\
fprintf(stderr, "libgamma_value_of_subpixel_order(\"%s\") != %s\n", #CONST, #CONST);\
exit(1);\
}\
order = (enum libgamma_subpixel_order)-1;\
if (libgamma_value_of_subpixel_order(libgamma_name_of_subpixel_order(CONST), &order) || order != CONST) {\
fprintf(stderr, "libgamma_value_of_subpixel_order(libgamma_name_of_subpixel_order(%s)) != %s\n",\
#CONST, #CONST);\
exit(1);\
}\
order = (enum libgamma_subpixel_order)-1;\
if (libgamma_value_of_subpixel_order(#CONST, &order) || order != CONST) {\
fprintf(stderr, "libgamma_value_of_subpixel_order(\"%s\") != %s\n", #CONST, #CONST);\
exit(1);\
}\
if (strlen(libgamma_name_of_subpixel_order(CONST)) >= sizeof(buf)) {\
fprintf(stderr, "strlen(libgamma_name_of_subpixel_order(%s) >= %zu\n", #CONST, sizeof(buf));\
exit(1);\
}\
r = libgamma_name_of_subpixel_order(CONST);\
for (w = buf; *r; r++)\
*w++ = *r == ' ' ? '_' : *r;\
*w = '\0';\
if (strcasecmp(buf, &#CONST[sizeof("LIBGAMMA_SUBPIXEL_ORDER_") - 1])) {\
fprintf(stderr, "libgamma_name_of_subpixel_order(%s) with '_' for ' ' != %s, ignoreing case\n",\
#CONST, &#CONST[sizeof("LIBGAMMA_SUBPIXEL_ORDER_") - 1]);\
exit(1);\
}\
n += 1;\
} while (0)
X(LIBGAMMA_SUBPIXEL_ORDER_UNKNOWN);
X(LIBGAMMA_SUBPIXEL_ORDER_NONE);
X(LIBGAMMA_SUBPIXEL_ORDER_HORIZONTAL_RGB);
X(LIBGAMMA_SUBPIXEL_ORDER_HORIZONTAL_BGR);
X(LIBGAMMA_SUBPIXEL_ORDER_VERTICAL_RGB);
X(LIBGAMMA_SUBPIXEL_ORDER_VERTICAL_BGR);
#undef X
if (n != LIBGAMMA_SUBPIXEL_ORDER_COUNT) {
fprintf(stderr, "List of subpixel orders in `test_subpixel_orders` must be updated");
exit(1);
}
if (libgamma_name_of_subpixel_order(-1)) {
fprintf(stderr, "libgamma_name_of_subpixel_order(<invalid>) != NULL\n");
exit(1);
}
if (libgamma_const_of_subpixel_order(-1)) {
fprintf(stderr, "libgamma_const_of_subpixel_order(<invalid>) != NULL\n");
exit(1);
}
if (libgamma_value_of_subpixel_order("", &order) != LIBGAMMA_SUBPIXEL_ORDER_NOT_RECOGNISED) {
fprintf(stderr, "libgamma_value_of_subpixel_order(<invalid>) != LIBGAMMA_SUBPIXEL_ORDER_NOT_RECOGNISED\n");
exit(1);
}
}
/**
* Test functions for errors
*/
static void
test_errors(void)
{
int n = 0, fds[2], flags, err;
char buf[1024], buf2[1100];
ssize_t r;
alarm(2);
pipe(fds);
flags = fcntl(fds[0], F_GETFL);
fcntl(fds[0], F_SETFL, flags | O_NONBLOCK);
err = dup(STDERR_FILENO);
#define X(CONST)\
do {\
if (CONST >= 0) {\
fprintf(stderr, "%s >= 0\n", #CONST);\
exit(1);\
}\
if (CONST < LIBGAMMA_ERROR_MIN) {\
fprintf(stderr, "%s < LIBGAMMA_ERROR_MIN\n", #CONST);\
exit(1);\
}\
if (!libgamma_name_of_error(CONST)) {\
fprintf(stderr, "libgamma_name_of_error(%s) == NULL\n", #CONST);\
exit(1);\
}\
if (strcmp(libgamma_name_of_error(CONST), #CONST)) {\
fprintf(stderr, "libgamma_name_of_error(%s) != \"%s\"\n", #CONST, #CONST);\
exit(1);\
}\
if (libgamma_value_of_error(#CONST) != CONST) {\
fprintf(stderr, "libgamma_value_of_error(\"%s\") != %s\n", #CONST, #CONST);\
exit(1);\
}\
libgamma_group_gid_set(0);\
libgamma_group_name_set(NULL);\
if (CONST != LIBGAMMA_ERRNO_SET) {\
if (!libgamma_strerror(CONST)) {\
fprintf(stderr, "libgamma_strerror(%s) == NULL\n", #CONST);\
exit(1);\
}\
if (!libgamma_strerror_r(CONST, buf, sizeof(buf))) {\
fprintf(stderr, "libgamma_strerror_r(%s, buf, sizeof(buf)) == NULL\n", #CONST);\
exit(1);\
}\
if (strcmp(libgamma_strerror_r(CONST, buf, sizeof(buf)), libgamma_strerror(CONST))) {\
fprintf(stderr, "libgamma_strerror_r(%s, buf, sizeof(buf)) != libgamma_strerror(%s)\n",\
#CONST, #CONST);\
exit(1);\
}\
dup2(fds[1], STDERR_FILENO);\
libgamma_perror(NULL, CONST);\
fflush(stderr);\
dup2(err, STDERR_FILENO);\
r = read(fds[0], buf, sizeof(buf));\
if (r <= 0 || buf[r - 1] != '\n') {\
fprintf(stderr, "libgamma_perror(NULL, %s) failed\n", #CONST);\
exit(1);\
}\
buf[r - 1] = '\0';\
if (strcmp(buf, libgamma_strerror(CONST))) {\
fprintf(stderr, "libgamma_perror(NULL, %s) failed\n", #CONST);\
exit(1);\
}\
dup2(fds[1], STDERR_FILENO);\
libgamma_perror("", CONST);\
fflush(stderr);\
dup2(err, STDERR_FILENO);\
r = read(fds[0], buf, sizeof(buf));\
if (r <= 0 || buf[r - 1] != '\n') {\
fprintf(stderr, "libgamma_perror(\"\", %s) failed\n", #CONST);\
exit(1);\
}\
buf[r - 1] = '\0';\
if (strcmp(buf, libgamma_strerror(CONST))) {\
fprintf(stderr, "libgamma_perror(\"\", %s) failed\n", #CONST);\
exit(1);\
}\
dup2(fds[1], STDERR_FILENO);\
libgamma_perror("prefix", CONST);\
fflush(stderr);\
dup2(err, STDERR_FILENO);\
r = read(fds[0], buf, sizeof(buf));\
if (r <= 0 || buf[r - 1] != '\n') {\
fprintf(stderr, "libgamma_perror(\"prefix\", %s) failed\n", #CONST);\
exit(1);\
}\
buf[r - 1] = '\0';\
if (strncmp(buf, "prefix: ", 8)) {\
fprintf(stderr, "libgamma_perror(\"prefix\", %s) failed\n", #CONST);\
exit(1);\
}\
if (strcmp(&buf[8], libgamma_strerror(CONST))) {\
fprintf(stderr, "libgamma_perror(\"prefix\", %s) failed\n", #CONST);\
exit(1);\
}\
}\
libgamma_group_gid_set((gid_t)n);\
if (libgamma_group_gid_get() != (gid_t)n) {\
fprintf(stderr, "libgamma_group_gid_get() != (gid_t)n\n");\
exit(1);\
}\
n += 1;\
} while (0)
X(LIBGAMMA_ERRNO_SET);
X(LIBGAMMA_NO_SUCH_ADJUSTMENT_METHOD);
X(LIBGAMMA_NO_SUCH_SITE);
X(LIBGAMMA_NO_SUCH_PARTITION);
X(LIBGAMMA_NO_SUCH_CRTC);
X(LIBGAMMA_IMPOSSIBLE_AMOUNT);
X(LIBGAMMA_CONNECTOR_DISABLED);
X(LIBGAMMA_OPEN_CRTC_FAILED);
X(LIBGAMMA_CRTC_INFO_NOT_SUPPORTED);
X(LIBGAMMA_GAMMA_RAMP_READ_FAILED);
X(LIBGAMMA_GAMMA_RAMP_WRITE_FAILED);
X(LIBGAMMA_GAMMA_RAMP_SIZE_CHANGED);
X(LIBGAMMA_MIXED_GAMMA_RAMP_SIZE);
X(LIBGAMMA_WRONG_GAMMA_RAMP_SIZE);
X(LIBGAMMA_SINGLETON_GAMMA_RAMP);
X(LIBGAMMA_LIST_CRTCS_FAILED);
X(LIBGAMMA_ACQUIRING_MODE_RESOURCES_FAILED);
X(LIBGAMMA_NEGATIVE_PARTITION_COUNT);
X(LIBGAMMA_NEGATIVE_CRTC_COUNT);
X(LIBGAMMA_DEVICE_RESTRICTED);
X(LIBGAMMA_DEVICE_ACCESS_FAILED);
X(LIBGAMMA_DEVICE_REQUIRE_GROUP);
X(LIBGAMMA_GRAPHICS_CARD_REMOVED);
X(LIBGAMMA_STATE_UNKNOWN);
X(LIBGAMMA_CONNECTOR_UNKNOWN);
X(LIBGAMMA_CONNECTOR_TYPE_NOT_RECOGNISED);
X(LIBGAMMA_SUBPIXEL_ORDER_NOT_RECOGNISED);
X(LIBGAMMA_EDID_LENGTH_UNSUPPORTED);
X(LIBGAMMA_EDID_WRONG_MAGIC_NUMBER);
X(LIBGAMMA_EDID_REVISION_UNSUPPORTED);
X(LIBGAMMA_GAMMA_NOT_SPECIFIED);
X(LIBGAMMA_EDID_CHECKSUM_ERROR);
X(LIBGAMMA_GAMMA_NOT_SPECIFIED_AND_EDID_CHECKSUM_ERROR);
X(LIBGAMMA_GAMMA_RAMPS_SIZE_QUERY_FAILED);
X(LIBGAMMA_OPEN_PARTITION_FAILED);
X(LIBGAMMA_OPEN_SITE_FAILED);
X(LIBGAMMA_PROTOCOL_VERSION_QUERY_FAILED);
X(LIBGAMMA_PROTOCOL_VERSION_NOT_SUPPORTED);
X(LIBGAMMA_LIST_PARTITIONS_FAILED);
X(LIBGAMMA_NULL_PARTITION);
X(LIBGAMMA_NOT_CONNECTED);
X(LIBGAMMA_REPLY_VALUE_EXTRACTION_FAILED);
X(LIBGAMMA_EDID_NOT_FOUND);
X(LIBGAMMA_LIST_PROPERTIES_FAILED);
X(LIBGAMMA_PROPERTY_VALUE_QUERY_FAILED);
X(LIBGAMMA_OUTPUT_INFORMATION_QUERY_FAILED);
#undef X
if (-n != LIBGAMMA_ERROR_MIN) {
fprintf(stderr, "List of errors in `test_errors` must be updated");
exit(1);
}
if (libgamma_value_of_error(NULL)) {
fprintf(stderr, "libgamma_value_of_error(NULL) != 0\n");
exit(1);
}
if (libgamma_value_of_error("")) {
fprintf(stderr, "libgamma_value_of_error(<invalid>) != 0\n");
exit(1);
}
if (libgamma_name_of_error(1000)) {
fprintf(stderr, "libgamma_name_of_error(<invalid>) != NULL\n");
exit(1);
}
if (libgamma_strerror(LIBGAMMA_ERROR_MIN - 1)) {
fprintf(stderr, "libgamma_strerror(LIBGAMMA_ERROR_MIN - 1) != NULL\n");
exit(1);
}
if (!libgamma_strerror_r(LIBGAMMA_ERROR_MIN - 1, buf, sizeof(buf))) {
fprintf(stderr, "libgamma_strerror_r(LIBGAMMA_ERROR_MIN - 1, buf, sizeof(buf)) == NULL\n");
exit(1);
}
if (!libgamma_strerror_r(INT_MAX, buf, sizeof(buf))) {
fprintf(stderr, "libgamma_strerror_r(INT_MAX, buf, sizeof(buf)) == NULL\n");
exit(1);
}
/* Just a few of the errors */
if (strcmp(libgamma_strerror(LIBGAMMA_NO_SUCH_SITE), "No such site")) {
fprintf(stderr, "libgamma_strerror(LIBGAMMA_NO_SUCH_SITE) != \"No such site\"\n");
exit(1);
}
if (strcmp(libgamma_strerror(LIBGAMMA_NO_SUCH_PARTITION), "No such partition")) {
fprintf(stderr, "libgamma_strerror(LIBGAMMA_NO_SUCH_PARTITION) != \"No such partition\"\n");
exit(1);
}
if (strcmp(libgamma_strerror(LIBGAMMA_NO_SUCH_CRTC), "No such CRTC")) {
fprintf(stderr, "libgamma_strerror(LIBGAMMA_NO_SUCH_CRTC) != \"No such CRTC\"\n");
exit(1);
}
if (strcmp(libgamma_strerror(LIBGAMMA_SINGLETON_GAMMA_RAMP), "Single-stop gamma ramp")) {
fprintf(stderr, "libgamma_strerror(LIBGAMMA_SINGLETON_GAMMA_RAMP) != \"Single-stop gamma ramp\"\n");
exit(1);
}
if (strcmp(libgamma_strerror(LIBGAMMA_GRAPHICS_CARD_REMOVED), "Graphics card was removed")) {
fprintf(stderr, "libgamma_strerror(LIBGAMMA_GRAPHICS_CARD_REMOVED) != \"Graphics card was removed\"\n");
exit(1);
}
if (strcmp(libgamma_strerror(LIBGAMMA_DEVICE_RESTRICTED), "Device is restricted to root")) {
fprintf(stderr, "libgamma_strerror(LIBGAMMA_DEVICE_RESTRICTED) != \"Device is restricted to root\"\n");
exit(1);
}
errno = -1;
if (!libgamma_strerror(0)) {
fprintf(stderr, "libgamma_strerror(0) == NULL\n");
exit(1);
}
if (!libgamma_strerror(ENOMEM)) {
fprintf(stderr, "libgamma_strerror(ENOMEM) == NULL\n");
exit(1);
}
if (!libgamma_strerror(ERANGE)) {
fprintf(stderr, "libgamma_strerror(ERANGE) == NULL\n");
exit(1);
}
if (!libgamma_strerror(EDOM)) {
fprintf(stderr, "libgamma_strerror(EDOM) == NULL\n");
exit(1);
}
errno = 0;
if (!libgamma_strerror(LIBGAMMA_ERRNO_SET)) {
fprintf(stderr, "libgamma_strerror(0 via LIBGAMMA_ERRNO_SET) == NULL\n");
exit(1);
}
errno = ENOMEM;
if (!libgamma_strerror(LIBGAMMA_ERRNO_SET)) {
fprintf(stderr, "libgamma_strerror(ENOMEM via LIBGAMMA_ERRNO_SET) == NULL\n");
exit(1);
}
errno = ERANGE;
if (!libgamma_strerror(LIBGAMMA_ERRNO_SET)) {
fprintf(stderr, "libgamma_strerror(ERANGE via LIBGAMMA_ERRNO_SET) == NULL\n");
exit(1);
}
errno = EDOM;
if (!libgamma_strerror(LIBGAMMA_ERRNO_SET)) {
fprintf(stderr, "libgamma_strerror(EDOM via LIBGAMMA_ERRNO_SET) == NULL\n");
exit(1);
}
errno = -1;
if (strcmp(libgamma_strerror(0), strerror(0))) {
fprintf(stderr, "libgamma_strerror(0) != strerror(0)\n");
exit(1);
}
if (strcmp(libgamma_strerror(ENOMEM), strerror(ENOMEM))) {
fprintf(stderr, "libgamma_strerror(ENOMEM) != strerror(ENOMEM)\n");
exit(1);
}
if (strcmp(libgamma_strerror(ERANGE), strerror(ERANGE))) {
fprintf(stderr, "libgamma_strerror(ERANGE) != strerror(ERANGE)\n");
exit(1);
}
if (strcmp(libgamma_strerror(EDOM), strerror(EDOM))) {
fprintf(stderr, "libgamma_strerror(EDOM) != strerror(EDOM)\n");
exit(1);
}
errno = 0;
if (strcmp(libgamma_strerror(LIBGAMMA_ERRNO_SET), strerror(0))) {
fprintf(stderr, "libgamma_strerror(0 via LIBGAMMA_ERRNO_SET) != strerror(0)\n");
exit(1);
}
errno = ENOMEM;
if (strcmp(libgamma_strerror(LIBGAMMA_ERRNO_SET), strerror(ENOMEM))) {
fprintf(stderr, "libgamma_strerror(ENOMEM via LIBGAMMA_ERRNO_SET) != strerror(ENOMEM)\n");
exit(1);
}
errno = ERANGE;
if (strcmp(libgamma_strerror(LIBGAMMA_ERRNO_SET), strerror(ERANGE))) {
fprintf(stderr, "libgamma_strerror(ERANGE via LIBGAMMA_ERRNO_SET) != strerror(ERANGE)\n");
exit(1);
}
errno = EDOM;
if (strcmp(libgamma_strerror(LIBGAMMA_ERRNO_SET), strerror(EDOM))) {
fprintf(stderr, "libgamma_strerror(EDOM via LIBGAMMA_ERRNO_SET) != strerror(EDOM)\n");
exit(1);
}
errno = -1;
if (!libgamma_strerror_r(0, buf, sizeof(buf))) {
fprintf(stderr, "libgamma_strerror_r(0, buf, sizeof(buf)) == NULL\n");
exit(1);
}
if (!libgamma_strerror_r(ENOMEM, buf, sizeof(buf))) {
fprintf(stderr, "libgamma_strerror_r(ENOMEM, buf, sizeof(buf)) == NULL\n");
exit(1);
}
if (!libgamma_strerror_r(ERANGE, buf, sizeof(buf))) {
fprintf(stderr, "libgamma_strerror_r(ERANGE, buf, sizeof(buf)) == NULL\n");
exit(1);
}
if (!libgamma_strerror_r(EDOM, buf, sizeof(buf))) {
fprintf(stderr, "libgamma_strerror_r(EDOM, buf, sizeof(buf)) == NULL\n");
exit(1);
}
errno = 0;
if (!libgamma_strerror_r(LIBGAMMA_ERRNO_SET, buf, sizeof(buf))) {
fprintf(stderr, "libgamma_strerror_r(0 via LIBGAMMA_ERRNO_SET, buf, sizeof(buf)) == NULL\n");
exit(1);
}
errno = ENOMEM;
if (!libgamma_strerror_r(LIBGAMMA_ERRNO_SET, buf, sizeof(buf))) {
fprintf(stderr, "libgamma_strerror_r(ENOMEM via LIBGAMMA_ERRNO_SET, buf, sizeof(buf)) == NULL\n");
exit(1);
}
errno = ERANGE;
if (!libgamma_strerror_r(LIBGAMMA_ERRNO_SET, buf, sizeof(buf))) {
fprintf(stderr, "libgamma_strerror_r(ERANGE via LIBGAMMA_ERRNO_SET, buf, sizeof(buf)) == NULL\n");
exit(1);
}
errno = EDOM;
if (!libgamma_strerror_r(LIBGAMMA_ERRNO_SET, buf, sizeof(buf))) {
fprintf(stderr, "libgamma_strerror_r(EDOM via LIBGAMMA_ERRNO_SET, buf, sizeof(buf)) == NULL\n");
exit(1);
}
errno = -1;
#ifdef ERRNO_0_HAS_MESSAGE
if (strcmp(libgamma_strerror_r(0, buf, sizeof(buf)), strerror(0))) {
fprintf(stderr, "libgamma_strerror_r(0, buf, sizeof(buf)) != strerror(0)\n");
exit(1);
}
#endif
if (strcmp(libgamma_strerror_r(ENOMEM, buf, sizeof(buf)), strerror(ENOMEM))) {
fprintf(stderr, "libgamma_strerror_r(ENOMEM, buf, sizeof(buf)) != strerror(ENOMEM)\n");
exit(1);
}
if (strcmp(libgamma_strerror_r(ERANGE, buf, sizeof(buf)), strerror(ERANGE))) {
fprintf(stderr, "libgamma_strerror_r(ERANGE, buf, sizeof(buf)) != strerror(ERANGE)\n");
exit(1);
}
if (strcmp(libgamma_strerror_r(EDOM, buf, sizeof(buf)), strerror(EDOM))) {
fprintf(stderr, "libgamma_strerror_r(EDOM, buf, sizeof(buf)) != strerror(EDOM)\n");
exit(1);
}
#ifdef ERRNO_0_HAS_MESSAGE
errno = 0;
if (strcmp(libgamma_strerror_r(LIBGAMMA_ERRNO_SET, buf, sizeof(buf)), strerror(0))) {
fprintf(stderr, "libgamma_strerror_r(0 via LIBGAMMA_ERRNO_SET, buf, sizeof(buf)) != strerror(0)\n");
exit(1);
}
#endif
errno = ENOMEM;
if (strcmp(libgamma_strerror_r(LIBGAMMA_ERRNO_SET, buf, sizeof(buf)), strerror(ENOMEM))) {
fprintf(stderr, "libgamma_strerror_r(ENOMEM via LIBGAMMA_ERRNO_SET, buf, sizeof(buf)) != strerror(ENOMEM)\n");
exit(1);
}
errno = ERANGE;
if (strcmp(libgamma_strerror_r(LIBGAMMA_ERRNO_SET, buf, sizeof(buf)), strerror(ERANGE))) {
fprintf(stderr, "libgamma_strerror_r(ERANGE via LIBGAMMA_ERRNO_SET, buf, sizeof(buf)) != strerror(ERANGE)\n");
exit(1);
}
errno = EDOM;
if (strcmp(libgamma_strerror_r(LIBGAMMA_ERRNO_SET, buf, sizeof(buf)), strerror(EDOM))) {
fprintf(stderr, "libgamma_strerror_r(EDOM via LIBGAMMA_ERRNO_SET, buf, sizeof(buf)) != strerror(EDOM)\n");
exit(1);
}
libgamma_group_name_set(NULL);
if (libgamma_group_name_get()) {
fprintf(stderr, "libgamma_group_name_get() != NULL\n");
exit(1);
}
libgamma_group_name_set("group");
if (!libgamma_group_name_get()) {
fprintf(stderr, "libgamma_group_name_get() == NULL\n");
exit(1);
}
if (strcmp(libgamma_group_name_get(), "group")) {
fprintf(stderr, "libgamma_group_name_get() != \"group\"\n");
exit(1);
}
libgamma_group_name_set("");
if (libgamma_group_name_get()) {
fprintf(stderr, "libgamma_group_name_get() != NULL\n");
exit(1);
}
libgamma_group_name_set("name");
if (!libgamma_group_name_get()) {
fprintf(stderr, "libgamma_group_name_get() == NULL\n");
exit(1);
}
if (strcmp(libgamma_group_name_get(), "name")) {
fprintf(stderr, "libgamma_group_name_get() != \"name\"\n");
exit(1);
}
libgamma_group_name_set(NULL);
if (libgamma_group_name_get()) {
fprintf(stderr, "libgamma_group_name_get() != NULL\n");
exit(1);
}
libgamma_group_gid_set(5);
snprintf(buf2, sizeof(buf2), "%s in group 5", libgamma_strerror(LIBGAMMA_DEVICE_REQUIRE_GROUP));
dup2(fds[1], STDERR_FILENO);
libgamma_perror(NULL, LIBGAMMA_DEVICE_REQUIRE_GROUP);
fflush(stderr);
dup2(err, STDERR_FILENO);
r = read(fds[0], buf, sizeof(buf));
if (r <= 0 || buf[r - 1] != '\n') {
fprintf(stderr, "libgamma_perror(NULL, LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
buf[r - 1] = '\0';
if (strcmp(buf, buf2)) {
fprintf(stderr, "libgamma_perror(NULL, LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
dup2(fds[1], STDERR_FILENO);
libgamma_perror("", LIBGAMMA_DEVICE_REQUIRE_GROUP);
fflush(stderr);
dup2(err, STDERR_FILENO);
r = read(fds[0], buf, sizeof(buf));
if (r <= 0 || buf[r - 1] != '\n') {
fprintf(stderr, "libgamma_perror(\"\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
buf[r - 1] = '\0';
if (strcmp(buf, buf2)) {
fprintf(stderr, "libgamma_perror(\"\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
dup2(fds[1], STDERR_FILENO);
libgamma_perror("prefix", LIBGAMMA_DEVICE_REQUIRE_GROUP);
fflush(stderr);
dup2(err, STDERR_FILENO);
r = read(fds[0], buf, sizeof(buf));
if (r <= 0 || buf[r - 1] != '\n') {
fprintf(stderr, "libgamma_perror(\"prefix\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
buf[r - 1] = '\0';
if (strncmp(buf, "prefix: ", 8)) {
fprintf(stderr, "libgamma_perror(\"prefix\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
if (strcmp(&buf[8], buf2)) {
fprintf(stderr, "libgamma_perror(\"prefix\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
libgamma_group_gid_set(5);
libgamma_group_name_set("grp");
snprintf(buf2, sizeof(buf2), "%s in the grp group (5)", libgamma_strerror(LIBGAMMA_DEVICE_REQUIRE_GROUP));
dup2(fds[1], STDERR_FILENO);
libgamma_perror(NULL, LIBGAMMA_DEVICE_REQUIRE_GROUP);
fflush(stderr);
dup2(err, STDERR_FILENO);
r = read(fds[0], buf, sizeof(buf));
if (r <= 0 || buf[r - 1] != '\n') {
fprintf(stderr, "libgamma_perror(NULL, LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
buf[r - 1] = '\0';
if (strcmp(buf, buf2)) {
fprintf(stderr, "libgamma_perror(NULL, LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
dup2(fds[1], STDERR_FILENO);
libgamma_perror("", LIBGAMMA_DEVICE_REQUIRE_GROUP);
fflush(stderr);
dup2(err, STDERR_FILENO);
r = read(fds[0], buf, sizeof(buf));
if (r <= 0 || buf[r - 1] != '\n') {
fprintf(stderr, "libgamma_perror(\"\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
buf[r - 1] = '\0';
if (strcmp(buf, buf2)) {
fprintf(stderr, "libgamma_perror(\"\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
dup2(fds[1], STDERR_FILENO);
libgamma_perror("prefix", LIBGAMMA_DEVICE_REQUIRE_GROUP);
fflush(stderr);
dup2(err, STDERR_FILENO);
r = read(fds[0], buf, sizeof(buf));
if (r <= 0 || buf[r - 1] != '\n') {
fprintf(stderr, "libgamma_perror(\"prefix\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
buf[r - 1] = '\0';
if (strncmp(buf, "prefix: ", 8)) {
fprintf(stderr, "libgamma_perror(\"prefix\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
if (strcmp(&buf[8], buf2)) {
fprintf(stderr, "libgamma_perror(\"prefix\", LIBGAMMA_DEVICE_REQUIRE_GROUP) failed\n");
exit(1);
}
libgamma_group_gid_set(0);
libgamma_group_name_set(NULL);
close(fds[0]);
close(fds[1]);
close(err);
alarm(0);
}
/**
* Test libgamma
*
* @return Non-zero on machine detectable error, this library
* may still be faulty if zero is returned
*/
int
main(void)
{
struct libgamma_site_state *site_state = malloc(sizeof(*site_state));
struct libgamma_partition_state *part_state = malloc(sizeof(*part_state));
struct libgamma_crtc_state *crtc_state = malloc(sizeof(*crtc_state));
struct libgamma_crtc_information info;
#define X(RAMPS)\
struct libgamma_gamma_##RAMPS old_##RAMPS, RAMPS;\
libgamma_gamma_##RAMPS##_fun *f_##RAMPS = dim_##RAMPS;
LIST_RAMPS(X)
#undef X
size_t i, n;
int r, rr = 0;
/* Test miscellaneous parts of the library */
test_count_consts();
test_connector_types();
test_subpixel_orders();
test_errors();
list_methods_lists();
method_availability();
list_default_sites();
method_capabilities();
/* Select monitor for tests over CRTC:s, partitions and sites */
if (select_monitor(site_state, part_state, crtc_state))
return 1;
/* Test CRTC information functions */
crtc_information(crtc_state);
/* Get the sizes of the gamma ramps for the selected CRTC */
libgamma_get_crtc_information(&info, sizeof(info), crtc_state, LIBGAMMA_CRTC_INFO_GAMMA_SIZE);
/* Create gamma ramps for each depth */
#define X(R)\
old_##R.red_size = info.red_gamma_size;\
old_##R.green_size = info.green_gamma_size;\
old_##R.blue_size = info.blue_gamma_size;\
R = old_##R;\
libgamma_gamma_##R##_initialise(&old_##R);\
libgamma_gamma_##R##_initialise(&R);
LIST_RAMPS(X)
#undef X
/* Fill gamma ramps, for each depth, with the CRTC:s current ramps */
#define X(R)\
if ((rr |= r = libgamma_crtc_get_gamma_##R(crtc_state, &old_##R))) {\
libgamma_perror("libgamma_crtc_get_gamma_" #R, r);\
goto done;\
}\
if ((rr |= r = libgamma_crtc_get_gamma_##R(crtc_state, &R))) {\
libgamma_perror("libgamma_crtc_get_gamma_" #R, r);\
goto done;\
}
LIST_RAMPS(X)
#undef X
/* Test function assisted gamma ramps setting */
#define X(R)\
/* Dim the monitor for one second and the restore it. */\
printf("Dimming monitor output for 1 second... (" #R ")\n");\
if ((rr |= r = libgamma_crtc_set_gamma_##R##_f(crtc_state, f_##R, f_##R, f_##R)))\
libgamma_perror("libgamma_crtc_set_gamma_" #R "_f", r);\
sleep(1);\
if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, &old_##R)))\
libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
printf("Done!\n");\
/* Sleep for one second, we have more depths to test */\
printf("Sleeping for 1 second...\n");\
sleep(1);
LIST_RAMPS(X)
#undef X
/* Test getting and setting gamma ramps */
#define X(R)\
/* Get the grand size of the gamma ramps */\
n = R.red_size;\
n = n > R.green_size ? n : R.green_size;\
n = n > R.blue_size ? n : R.blue_size;\
/* Print the current gamma ramps */\
printf("Current gamma ramps (" #R "):\n");\
for (i = 0; i < n; i++) {\
if (i < R.red_size) Y(R.red, "1"); else printf(" ");\
if (i < R.green_size) Y(R.green, "2"); else printf(" ");\
if (i < R.blue_size) Y(R.blue, "4"); else printf(" ");\
printf("\n");\
}\
printf("\n");\
/* Adjust the gamma ramps for dimming the monitor */\
for (i = 0; i < R.red_size + R.green_size + R.blue_size; i++)\
R.red[i] /= 2;\
/* Dim the monitor for one second and the restore it */\
printf("Dimming monitor for 1 second...\n");\
if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, &R)))\
libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
sleep(1);\
if ((rr |= r = libgamma_crtc_set_gamma_##R(crtc_state, &old_##R)))\
libgamma_perror("libgamma_crtc_set_gamma_" #R, r);\
printf("Done!\n");\
/* Sleep for one second, we have more depths to test */\
printf("Sleeping for 1 second...\n");\
sleep(1);
#define Y(R, C) printf(" \033[3" C "m%1.8lf\033[00m", (double)(R[i]))
LIST_FLOAT_RAMPS(X)
#undef Y
#define Y(R, C) printf(" \033[3" C "m%16llX\033[00m", (unsigned long long int)(R[i]))
LIST_INTEGER_RAMPS(X)
#undef Y
#undef X
/* Test order of gamma ramps */
memcpy(ramps16.red, old_ramps16.red, ramps16.red_size * sizeof(*ramps16.red));
memset(ramps16.green, 0, ramps16.green_size * sizeof(*ramps16.green));
memset(ramps16.blue, 0, ramps16.blue_size * sizeof(*ramps16.blue));
printf("Making the monitor red-only for 1 second...\n");
if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, &ramps16)))
libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
sleep(1);
memset(ramps16.red, 0, ramps16.red_size * sizeof(*ramps16.red));
memcpy(ramps16.green, old_ramps16.green, ramps16.green_size * sizeof(*ramps16.green));
printf("Making the monitor green-only for 1 second...\n");
if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, &ramps16)))
libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
sleep(1);
memset(ramps16.green, 0, ramps16.green_size * sizeof(*ramps16.green));
memcpy(ramps16.blue, old_ramps16.blue, ramps16.blue_size * sizeof(*ramps16.blue));
printf("Making the monitor blue-only for 1 second...\n");
if ((rr |= r = libgamma_crtc_set_gamma_ramps16(crtc_state, &ramps16)))
libgamma_perror("libgamma_crtc_set_gamma_ramps16", r);
sleep(1);
if ((rr |= r = libgamma_crtc_set_gamma_ramps64(crtc_state, &old_ramps64)))
libgamma_perror("libgamma_crtc_set_gamma_ramps64", r);
printf("Done!\n");
/* TODO Test gamma ramp restore functions */
done:
/* Release resouces */
#define X(R)\
libgamma_gamma_##R##_destroy(&R);\
libgamma_gamma_##R##_destroy(&old_##R);
LIST_RAMPS(X)
#undef X
libgamma_crtc_free(crtc_state);
libgamma_partition_free(part_state);
libgamma_site_free(site_state);
return rr;
}
