New upstream version 3.0.0upstream/3.0.0

1 files changed, 24 insertions, 14 deletions

diff --git a/linux/Battery.c b/linux/Battery.c
index aedacab..4014a50 100644
--- a/linux/Battery.c
+++ b/linux/Battery.c
@@ -64,7 +64,7 @@ static unsigned long int parseBatInfo(const char *fileName, const unsigned short
       }
 
       char* line = NULL;
-      for (unsigned short int i = 0; i < lineNum; i++) {
+      for (unsigned short int j = 0; j < lineNum; j++) {
          free(line);
          line = String_readLine(file);
          if (!line) break;
@@ -78,7 +78,7 @@ static unsigned long int parseBatInfo(const char *fileName, const unsigned short
       const unsigned long int foundNum = atoi(foundNumStr);
       free(foundNumStr);
       free(line);
-      
+
       total += foundNum;
    }
 
@@ -175,7 +175,7 @@ static inline ssize_t xread(int fd, void *buf, size_t count) {
 }
 
 static void Battery_getSysData(double* level, ACPresence* isOnAC) {
-      
+
    *level = 0;
    *isOnAC = AC_ERROR;
 
@@ -193,17 +193,27 @@ static void Battery_getSysData(double* level, ACPresence* isOnAC) {
       char* entryName = (char *) dirEntry->d_name;
       const char filePath[50];
 
-      if (entryName[0] == 'B' && entryName[1] == 'A' && entryName[2] == 'T') {
-         
+      xSnprintf((char *) filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/type", entryName);
+      int fd1 = open(filePath, O_RDONLY);
+      if (fd1 == -1)
+         continue;
+
+      char type[8];
+      ssize_t typelen = xread(fd1, type, 7);
+      close(fd1);
+      if (typelen < 1)
+         continue;
+
+      if (type[0] == 'B' && type[1] == 'a' && type[2] == 't') {
          xSnprintf((char *) filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/uevent", entryName);
-         int fd = open(filePath, O_RDONLY);
-         if (fd == -1) {
+         int fd2 = open(filePath, O_RDONLY);
+         if (fd2 == -1) {
             closedir(dir);
             return;
          }
          char buffer[1024];
-         ssize_t buflen = xread(fd, buffer, 1023);
-         close(fd);
+         ssize_t buflen = xread(fd2, buffer, 1023);
+         close(fd2);
          if (buflen < 1) {
             closedir(dir);
             return;
@@ -247,20 +257,20 @@ static void Battery_getSysData(double* level, ACPresence* isOnAC) {
          if (*isOnAC != AC_ERROR) {
             continue;
          }
-      
+
          xSnprintf((char *) filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/online", entryName);
-         int fd = open(filePath, O_RDONLY);
-         if (fd == -1) {
+         int fd3 = open(filePath, O_RDONLY);
+         if (fd3 == -1) {
             closedir(dir);
             return;
          }
          char buffer[2] = "";
          for(;;) {
-            ssize_t res = read(fd, buffer, 1);
+            ssize_t res = read(fd3, buffer, 1);
             if (res == -1 && errno == EINTR) continue;
             break;
          }
-         close(fd);
+         close(fd3);
          if (buffer[0] == '0') {
             *isOnAC = AC_ABSENT;
          } else if (buffer[0] == '1') {