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-rw-r--r--battstat/acpi-linux.c206
1 files changed, 110 insertions, 96 deletions
diff --git a/battstat/acpi-linux.c b/battstat/acpi-linux.c
index d982f6cc..0e1ba94e 100644
--- a/battstat/acpi-linux.c
+++ b/battstat/acpi-linux.c
@@ -1,4 +1,4 @@
-/* battstat A MATE battery meter for laptops.
+/* battstat A MATE battery meter for laptops.
* Copyright (C) 2000 by J�rgen Pehrson <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
@@ -24,7 +24,7 @@
*/
#ifdef HAVE_CONFIG_H
-#include <config.h>
+ #include <config.h>
#endif
#ifdef __linux__
@@ -44,54 +44,65 @@
#include <dirent.h>
#include "acpi-linux.h"
-static GHashTable *
-read_file (const char *file, char *buf, size_t bufsize)
+static GHashTable* read_file(const char* file, char* buf, size_t bufsize)
{
- GHashTable *hash = NULL;
-
- int fd, len, i;
- char *key, *value;
- gboolean reading_key;
-
- fd = open (file, O_RDONLY);
-
- if (fd == -1) {
- return hash;
- }
-
- len = read (fd, buf, bufsize);
-
- close (fd);
-
- if (len < 0) {
- if (getenv ("BATTSTAT_DEBUG"))
- g_message ("Error reading %s: %s", file, g_strerror (errno));
- return hash;
- }
-
- hash = g_hash_table_new (g_str_hash, g_str_equal);
-
- for (i = 0, value = key = buf, reading_key = TRUE; i < len; i++) {
- if (buf[i] == ':' && reading_key) {
- reading_key = FALSE;
- buf[i] = '\0';
- value = buf + i + 1;
- } else if (buf[i] == '\n') {
- reading_key = TRUE;
- buf[i] = '\0';
- /* g_message ("Read: %s => %s\n", key, value); */
- g_hash_table_insert (hash, key, g_strstrip (value));
- key = buf + i + 1;
- } else if (reading_key) {
- /* in acpi 20020214 it switched to lower-case proc
- * entries. fixing this up here simplifies the
- * code.
- */
- buf[i] = g_ascii_tolower (buf[i]);
- }
- }
-
- return hash;
+ GHashTable* hash = NULL;
+
+ int fd, len, i;
+ char* key;
+ char* value;
+ gboolean reading_key;
+
+ fd = open(file, O_RDONLY);
+
+ if (fd == -1)
+ {
+ return hash;
+ }
+
+ len = read(fd, buf, bufsize);
+
+ close (fd);
+
+ if (len < 0)
+ {
+ if (getenv("BATTSTAT_DEBUG"))
+ {
+ g_message("Error reading %s: %s", file, g_strerror(errno));
+ }
+
+ return hash;
+ }
+
+ hash = g_hash_table_new(g_str_hash, g_str_equal);
+
+ for (i = 0, value = key = buf, reading_key = TRUE; i < len; i++)
+ {
+ if (buf[i] == ':' && reading_key)
+ {
+ reading_key = FALSE;
+ buf[i] = '\0';
+ value = buf + i + 1;
+ }
+ else if (buf[i] == '\n')
+ {
+ reading_key = TRUE;
+ buf[i] = '\0';
+ /* g_message ("Read: %s => %s\n", key, value); */
+ g_hash_table_insert(hash, key, g_strstrip(value));
+ key = buf + i + 1;
+ }
+ else if (reading_key)
+ {
+ /* in acpi 20020214 it switched to lower-case proc
+ * entries. fixing this up here simplifies the
+ * code.
+ */
+ buf[i] = g_ascii_tolower(buf[i]);
+ }
+ }
+
+ return hash;
}
#if 0
@@ -111,13 +122,13 @@ read_bool (GHashTable *hash, const char *key)
static long
read_long (GHashTable *hash, const char *key)
{
- char *s;
+ char* s;
- g_return_val_if_fail (hash, 0);
- g_return_val_if_fail (key, 0);
+ g_return_val_if_fail(hash, 0);
+ g_return_val_if_fail(key, 0);
- s = g_hash_table_lookup (hash, key);
- return s ? strtol (s, NULL, 10) : 0;
+ s = g_hash_table_lookup(hash, key);
+ return s ? strtol(s, NULL, 10) : 0;
}
static gulong
@@ -190,44 +201,47 @@ static gboolean update_ac_info(struct acpi_info * acpiinfo)
/* Reads the ACPI info for the system batteries, and finds
* the total capacity, which is stored in acpiinfo. */
-static gboolean update_battery_info(struct acpi_info * acpiinfo)
+static gboolean update_battery_info(struct acpi_info* acpiinfo)
{
- gchar* batt_info = NULL;
- GHashTable *hash;
- DIR * procdir;
- struct dirent * procdirentry;
- char buf[BUFSIZ];
-
- acpiinfo->max_capacity = 0;
- acpiinfo->low_capacity = 0;
- acpiinfo->critical_capacity = 0;
-
- procdir=opendir("/proc/acpi/battery/");
- if (!procdir)
- return FALSE;
-
- while ((procdirentry=readdir(procdir)))
- {
- if (procdirentry->d_name[0]!='.')
- {
- batt_info = g_strconcat("/proc/acpi/battery/",
- procdirentry->d_name,
- "/info",
- NULL);
- hash = read_file (batt_info, buf, sizeof (buf));
- if (hash)
- {
- acpiinfo->max_capacity += read_long (hash, "last full capacity");
- acpiinfo->low_capacity += read_long (hash, "design capacity warning");
- acpiinfo->critical_capacity += read_long (hash, "design capacity low");
- g_hash_table_destroy (hash);
- }
- g_free(batt_info);
- }
- }
- closedir(procdir);
-
- return TRUE;
+ gchar* batt_info = NULL;
+ GHashTable* hash;
+ DIR* procdir;
+ struct dirent* procdirentry;
+ char buf[BUFSIZ];
+
+ acpiinfo->max_capacity = 0;
+ acpiinfo->low_capacity = 0;
+ acpiinfo->critical_capacity = 0;
+
+ procdir = opendir("/proc/acpi/battery/");
+
+ if (!procdir)
+ {
+ return FALSE;
+ }
+
+ while ((procdirentry = readdir(procdir)))
+ {
+ if (procdirentry->d_name[0] != '.')
+ {
+ batt_info = g_strconcat("/proc/acpi/battery/", procdirentry->d_name, "/info", NULL);
+ hash = read_file(batt_info, buf, sizeof(buf));
+
+ if (hash)
+ {
+ acpiinfo->max_capacity += read_long(hash, "last full capacity");
+ acpiinfo->low_capacity += read_long(hash, "design capacity warning");
+ acpiinfo->critical_capacity += read_long(hash, "design capacity low");
+
+ g_hash_table_destroy(hash);
+ }
+ g_free(batt_info);
+ }
+ }
+
+ closedir(procdir);
+
+ return TRUE;
}
@@ -267,7 +281,7 @@ gboolean acpi_linux_init(struct acpi_info * acpiinfo)
if (!update_battery_info(acpiinfo) || !update_ac_info(acpiinfo))
return FALSE;
-
+
fd = open("/proc/acpi/event", 0);
if (fd >= 0) {
acpiinfo->event_fd = fd;
@@ -314,7 +328,7 @@ void acpi_linux_cleanup(struct acpi_info * acpiinfo)
* to the next event. */
static int parse_acpi_event(GString *buffer)
{
-
+
if (strstr(buffer->str, "ac_adapter"))
return ACPI_EVENT_AC;
if (strstr(buffer->str, "battery") )
@@ -336,7 +350,7 @@ gboolean acpi_process_event(struct acpi_info * acpiinfo)
buffer=g_string_new(NULL);
g_io_channel_read_line_string ( acpiinfo->channel,buffer,&i,&gerror);
-
+
evt = parse_acpi_event(buffer);
switch (evt) {
case ACPI_EVENT_AC:
@@ -377,7 +391,7 @@ gboolean acpi_linux_read(struct apm_info *apminfo, struct acpi_info * acpiinfo)
* apminfo.battery_percentage must contain batter charge percentage
* apminfo.battery_flags & 0x8 must be nonzero when charging
*/
-
+
g_assert(apminfo);
charging = FALSE;
@@ -436,4 +450,4 @@ gboolean acpi_linux_read(struct apm_info *apminfo, struct acpi_info * acpiinfo)
}
-#endif
+#endif /* __linux__ */
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 06:55:17 +0000