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Use C99 bool internally in SDL

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This commit is contained in:
Sam Lantinga
2024-08-22 09:21:26 -07:00
parent 6501e90018
commit 8f546bb3c9
450 changed files with 6046 additions and 6033 deletions
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138
src/power/linux/SDL_syspower.c
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@@ -55,24 +55,24 @@ static int open_power_file(const char *base, const char *node, const char *key)
return fd;
}
static SDL_bool read_power_file(const char *base, const char *node, const char *key,
static bool read_power_file(const char *base, const char *node, const char *key,
char *buf, size_t buflen)
{
ssize_t br = 0;
const int fd = open_power_file(base, node, key);
if (fd == -1) {
return SDL_FALSE;
return false;
}
br = read(fd, buf, buflen - 1);
close(fd);
if (br < 0) {
return SDL_FALSE;
return false;
}
buf[br] = '\0'; // null-terminate the string.
return SDL_TRUE;
return true;
}
static SDL_bool make_proc_acpi_key_val(char **_ptr, char **_key, char **_val)
static bool make_proc_acpi_key_val(char **_ptr, char **_key, char **_val)
{
char *ptr = *_ptr;
@@ -81,7 +81,7 @@ static SDL_bool make_proc_acpi_key_val(char **_ptr, char **_key, char **_val)
}
if (*ptr == '\0') {
return SDL_FALSE; // EOF.
return false; // EOF.
}
*_key = ptr;
@@ -91,7 +91,7 @@ static SDL_bool make_proc_acpi_key_val(char **_ptr, char **_key, char **_val)
}
if (*ptr == '\0') {
return SDL_FALSE; // (unexpected) EOF.
return false; // (unexpected) EOF.
}
*(ptr++) = '\0'; // terminate the key.
@@ -101,7 +101,7 @@ static SDL_bool make_proc_acpi_key_val(char **_ptr, char **_key, char **_val)
}
if (*ptr == '\0') {
return SDL_FALSE; // (unexpected) EOF.
return false; // (unexpected) EOF.
}
*_val = ptr;
@@ -115,11 +115,11 @@ static SDL_bool make_proc_acpi_key_val(char **_ptr, char **_key, char **_val)
}
*_ptr = ptr; // store for next time.
return SDL_TRUE;
return true;
}
static void check_proc_acpi_battery(const char *node, SDL_bool *have_battery,
SDL_bool *charging, int *seconds, int *percent)
static void check_proc_acpi_battery(const char *node, bool *have_battery,
bool *charging, int *seconds, int *percent)
{
const char *base = proc_acpi_battery_path;
char info[1024];
@@ -127,8 +127,8 @@ static void check_proc_acpi_battery(const char *node, SDL_bool *have_battery,
char *ptr = NULL;
char *key = NULL;
char *val = NULL;
SDL_bool charge = SDL_FALSE;
SDL_bool choose = SDL_FALSE;
bool charge = false;
bool choose = false;
int maximum = -1;
int remaining = -1;
int secs = -1;
@@ -144,14 +144,14 @@ static void check_proc_acpi_battery(const char *node, SDL_bool *have_battery,
while (make_proc_acpi_key_val(&ptr, &key, &val)) {
if (SDL_strcasecmp(key, "present") == 0) {
if (SDL_strcasecmp(val, "yes") == 0) {
*have_battery = SDL_TRUE;
*have_battery = true;
}
} else if (SDL_strcasecmp(key, "charging state") == 0) {
// !!! FIXME: what exactly _does_ charging/discharging mean?
if (SDL_strcasecmp(val, "charging/discharging") == 0) {
charge = SDL_TRUE;
charge = true;
} else if (SDL_strcasecmp(val, "charging") == 0) {
charge = SDL_TRUE;
charge = true;
}
} else if (SDL_strcasecmp(key, "remaining capacity") == 0) {
char *endptr = NULL;
@@ -190,13 +190,13 @@ static void check_proc_acpi_battery(const char *node, SDL_bool *have_battery,
*/
if ((secs < 0) && (*seconds < 0)) {
if ((pct < 0) && (*percent < 0)) {
choose = SDL_TRUE; // at least we know there's a battery.
choose = true; // at least we know there's a battery.
}
if (pct > *percent) {
choose = SDL_TRUE;
choose = true;
}
} else if (secs > *seconds) {
choose = SDL_TRUE;
choose = true;
}
if (choose) {
@@ -206,7 +206,7 @@ static void check_proc_acpi_battery(const char *node, SDL_bool *have_battery,
}
}
static void check_proc_acpi_ac_adapter(const char *node, SDL_bool *have_ac)
static void check_proc_acpi_ac_adapter(const char *node, bool *have_ac)
{
const char *base = proc_acpi_ac_adapter_path;
char state[256];
@@ -222,19 +222,19 @@ static void check_proc_acpi_ac_adapter(const char *node, SDL_bool *have_ac)
while (make_proc_acpi_key_val(&ptr, &key, &val)) {
if (SDL_strcasecmp(key, "state") == 0) {
if (SDL_strcasecmp(val, "on-line") == 0) {
*have_ac = SDL_TRUE;
*have_ac = true;
}
}
}
}
SDL_bool SDL_GetPowerInfo_Linux_proc_acpi(SDL_PowerState *state, int *seconds, int *percent)
bool SDL_GetPowerInfo_Linux_proc_acpi(SDL_PowerState *state, int *seconds, int *percent)
{
struct dirent *dent = NULL;
DIR *dirp = NULL;
SDL_bool have_battery = SDL_FALSE;
SDL_bool have_ac = SDL_FALSE;
SDL_bool charging = SDL_FALSE;
bool have_battery = false;
bool have_ac = false;
bool charging = false;
*seconds = -1;
*percent = -1;
@@ -242,7 +242,7 @@ SDL_bool SDL_GetPowerInfo_Linux_proc_acpi(SDL_PowerState *state, int *seconds, i
dirp = opendir(proc_acpi_battery_path);
if (!dirp) {
return SDL_FALSE; // can't use this interface.
return false; // can't use this interface.
} else {
while ((dent = readdir(dirp)) != NULL) {
const char *node = dent->d_name;
@@ -254,7 +254,7 @@ SDL_bool SDL_GetPowerInfo_Linux_proc_acpi(SDL_PowerState *state, int *seconds, i
dirp = opendir(proc_acpi_ac_adapter_path);
if (!dirp) {
return SDL_FALSE; // can't use this interface.
return false; // can't use this interface.
} else {
while ((dent = readdir(dirp)) != NULL) {
const char *node = dent->d_name;
@@ -273,10 +273,10 @@ SDL_bool SDL_GetPowerInfo_Linux_proc_acpi(SDL_PowerState *state, int *seconds, i
*state = SDL_POWERSTATE_ON_BATTERY;
}
return SDL_TRUE; // definitive answer.
return true; // definitive answer.
}
static SDL_bool next_string(char **_ptr, char **_str)
static bool next_string(char **_ptr, char **_str)
{
char *ptr = *_ptr;
char *str;
@@ -286,7 +286,7 @@ static SDL_bool next_string(char **_ptr, char **_str)
}
if (*ptr == '\0') {
return SDL_FALSE;
return false;
}
str = ptr;
@@ -300,10 +300,10 @@ static SDL_bool next_string(char **_ptr, char **_str)
*_str = str;
*_ptr = ptr;
return SDL_TRUE;
return true;
}
static SDL_bool int_string(char *str, int *val)
static bool int_string(char *str, int *val)
{
char *endptr = NULL;
*val = (int)SDL_strtol(str, &endptr, 0);
@@ -311,9 +311,9 @@ static SDL_bool int_string(char *str, int *val)
}
// http://lxr.linux.no/linux+v2.6.29/drivers/char/apm-emulation.c
SDL_bool SDL_GetPowerInfo_Linux_proc_apm(SDL_PowerState *state, int *seconds, int *percent)
bool SDL_GetPowerInfo_Linux_proc_apm(SDL_PowerState *state, int *seconds, int *percent)
{
SDL_bool need_details = SDL_FALSE;
bool need_details = false;
int ac_status = 0;
int battery_status = 0;
int battery_flag = 0;
@@ -326,61 +326,61 @@ SDL_bool SDL_GetPowerInfo_Linux_proc_apm(SDL_PowerState *state, int *seconds, in
ssize_t br;
if (fd == -1) {
return SDL_FALSE; // can't use this interface.
return false; // can't use this interface.
}
br = read(fd, buf, sizeof(buf) - 1);
close(fd);
if (br < 0) {
return SDL_FALSE;
return false;
}
buf[br] = '\0'; // null-terminate the string.
if (!next_string(&ptr, &str)) { // driver version
return SDL_FALSE;
return false;
}
if (!next_string(&ptr, &str)) { // BIOS version
return SDL_FALSE;
return false;
}
if (!next_string(&ptr, &str)) { // APM flags
return SDL_FALSE;
return false;
}
if (!next_string(&ptr, &str)) { // AC line status
return SDL_FALSE;
return false;
} else if (!int_string(str, &ac_status)) {
return SDL_FALSE;
return false;
}
if (!next_string(&ptr, &str)) { // battery status
return SDL_FALSE;
return false;
} else if (!int_string(str, &battery_status)) {
return SDL_FALSE;
return false;
}
if (!next_string(&ptr, &str)) { // battery flag
return SDL_FALSE;
return false;
} else if (!int_string(str, &battery_flag)) {
return SDL_FALSE;
return false;
}
if (!next_string(&ptr, &str)) { // remaining battery life percent
return SDL_FALSE;
return false;
}
if (str[SDL_strlen(str) - 1] == '%') {
str[SDL_strlen(str) - 1] = '\0';
}
if (!int_string(str, &battery_percent)) {
return SDL_FALSE;
return false;
}
if (!next_string(&ptr, &str)) { // remaining battery life time
return SDL_FALSE;
return false;
} else if (!int_string(str, &battery_time)) {
return SDL_FALSE;
return false;
}
if (!next_string(&ptr, &str)) { // remaining battery life time units
return SDL_FALSE;
return false;
} else if (SDL_strcasecmp(str, "min") == 0) {
battery_time *= 60;
}
@@ -391,13 +391,13 @@ SDL_bool SDL_GetPowerInfo_Linux_proc_apm(SDL_PowerState *state, int *seconds, in
*state = SDL_POWERSTATE_NO_BATTERY;
} else if (battery_flag & (1 << 3)) { // charging
*state = SDL_POWERSTATE_CHARGING;
need_details = SDL_TRUE;
need_details = true;
} else if (ac_status == 1) {
*state = SDL_POWERSTATE_CHARGED; // on AC, not charging.
need_details = SDL_TRUE;
need_details = true;
} else {
*state = SDL_POWERSTATE_ON_BATTERY;
need_details = SDL_TRUE;
need_details = true;
}
*percent = -1;
@@ -414,10 +414,10 @@ SDL_bool SDL_GetPowerInfo_Linux_proc_apm(SDL_PowerState *state, int *seconds, in
}
}
return SDL_TRUE;
return true;
}
SDL_bool SDL_GetPowerInfo_Linux_sys_class_power_supply(SDL_PowerState *state, int *seconds, int *percent)
bool SDL_GetPowerInfo_Linux_sys_class_power_supply(SDL_PowerState *state, int *seconds, int *percent)
{
const char *base = sys_class_power_supply_path;
struct dirent *dent;
@@ -425,7 +425,7 @@ SDL_bool SDL_GetPowerInfo_Linux_sys_class_power_supply(SDL_PowerState *state, in
dirp = opendir(base);
if (!dirp) {
return SDL_FALSE;
return false;
}
*state = SDL_POWERSTATE_NO_BATTERY; // assume we're just plugged in.
@@ -434,7 +434,7 @@ SDL_bool SDL_GetPowerInfo_Linux_sys_class_power_supply(SDL_PowerState *state, in
while ((dent = readdir(dirp)) != NULL) {
const char *name = dent->d_name;
SDL_bool choose = SDL_FALSE;
bool choose = false;
char str[64];
SDL_PowerState st;
int secs;
@@ -500,12 +500,12 @@ SDL_bool SDL_GetPowerInfo_Linux_sys_class_power_supply(SDL_PowerState *state, in
*/
if ((secs < 0) && (*seconds < 0)) {
if ((pct < 0) && (*percent < 0)) {
choose = SDL_TRUE; // at least we know there's a battery.
choose = true; // at least we know there's a battery.
} else if (pct > *percent) {
choose = SDL_TRUE;
choose = true;
}
} else if (secs > *seconds) {
choose = SDL_TRUE;
choose = true;
}
if (choose) {
@@ -516,7 +516,7 @@ SDL_bool SDL_GetPowerInfo_Linux_sys_class_power_supply(SDL_PowerState *state, in
}
closedir(dirp);
return SDL_TRUE; // don't look any further.
return true; // don't look any further.
}
// d-bus queries to org.freedesktop.UPower.
@@ -528,7 +528,7 @@ SDL_bool SDL_GetPowerInfo_Linux_sys_class_power_supply(SDL_PowerState *state, in
static void check_upower_device(DBusConnection *conn, const char *path, SDL_PowerState *state, int *seconds, int *percent)
{
SDL_bool choose = SDL_FALSE;
bool choose = false;
SDL_PowerState st;
int secs;
int pct;
@@ -598,12 +598,12 @@ static void check_upower_device(DBusConnection *conn, const char *path, SDL_Powe
*/
if ((secs < 0) && (*seconds < 0)) {
if ((pct < 0) && (*percent < 0)) {
choose = SDL_TRUE; // at least we know there's a battery.
choose = true; // at least we know there's a battery.
} else if (pct > *percent) {
choose = SDL_TRUE;
choose = true;
}
} else if (secs > *seconds) {
choose = SDL_TRUE;
choose = true;
}
if (choose) {
@@ -614,9 +614,9 @@ static void check_upower_device(DBusConnection *conn, const char *path, SDL_Powe
}
#endif
SDL_bool SDL_GetPowerInfo_Linux_org_freedesktop_upower(SDL_PowerState *state, int *seconds, int *percent)
bool SDL_GetPowerInfo_Linux_org_freedesktop_upower(SDL_PowerState *state, int *seconds, int *percent)
{
SDL_bool retval = SDL_FALSE;
bool retval = false;
#ifdef SDL_USE_LIBDBUS
SDL_DBusContext *dbus = SDL_DBus_GetContext();
@@ -626,10 +626,10 @@ SDL_bool SDL_GetPowerInfo_Linux_org_freedesktop_upower(SDL_PowerState *state, in
if (!dbus || !SDL_DBus_CallMethodOnConnection(dbus->system_conn, UPOWER_DBUS_NODE, UPOWER_DBUS_PATH, UPOWER_DBUS_INTERFACE, "EnumerateDevices",
DBUS_TYPE_INVALID,
DBUS_TYPE_ARRAY, DBUS_TYPE_OBJECT_PATH, &paths, &numpaths, DBUS_TYPE_INVALID)) {
return SDL_FALSE; // try a different approach than UPower.
return false; // try a different approach than UPower.
}
retval = SDL_TRUE; // Clearly we can use this interface.
retval = true; // Clearly we can use this interface.
*state = SDL_POWERSTATE_NO_BATTERY; // assume we're just plugged in.
*seconds = -1;
*percent = -1;