Do not drop qualifier in cast

ListItem.c:73:33: warning: cast from 'const void *' to 'struct ListItem_ *' drops const qualifier [-Wcast-qual]
   ListItem* obj1 = (ListItem*) cast1;
                                ^
ListItem.c:74:33: warning: cast from 'const void *' to 'struct ListItem_ *' drops const qualifier [-Wcast-qual]
   ListItem* obj2 = (ListItem*) cast2;
                                ^

Process.c:434:28: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
   Process* p1 = (Process*)v1;
                           ^
Process.c:435:28: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
   Process* p2 = (Process*)v2;
                           ^
Process.c:441:36: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
   Settings *settings = ((Process*)v1)->settings;
                                   ^
Process.c:443:22: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
      p1 = (Process*)v1;
                     ^
Process.c:444:22: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
      p2 = (Process*)v2;
                     ^
Process.c:446:22: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
      p2 = (Process*)v1;
                     ^
Process.c:447:22: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
      p1 = (Process*)v2;
                     ^

AffinityPanel.c:37:16: warning: cast from 'const char *' to 'void *' drops const qualifier [-Wcast-qual]
   free((void*)this->text);
               ^
AffinityPanel.c:39:19: warning: cast from 'const char *' to 'void *' drops const qualifier [-Wcast-qual]
      free((void*)this->indent);
                  ^

linux/LinuxProcess.c:294:36: warning: cast from 'const void *' to 'struct Process_ *' drops const qualifier [-Wcast-qual]
   Settings *settings = ((Process*)v1)->settings;
                                   ^
linux/LinuxProcess.c:296:27: warning: cast from 'const void *' to 'struct LinuxProcess_ *' drops const qualifier [-Wcast-qual]
      p1 = (LinuxProcess*)v1;
                          ^
linux/LinuxProcess.c:297:27: warning: cast from 'const void *' to 'struct LinuxProcess_ *' drops const qualifier [-Wcast-qual]
      p2 = (LinuxProcess*)v2;
                          ^
linux/LinuxProcess.c:299:27: warning: cast from 'const void *' to 'struct LinuxProcess_ *' drops const qualifier [-Wcast-qual]
      p2 = (LinuxProcess*)v1;
                          ^
linux/LinuxProcess.c:300:27: warning: cast from 'const void *' to 'struct LinuxProcess_ *' drops const qualifier [-Wcast-qual]
      p1 = (LinuxProcess*)v2;
                          ^

linux/LinuxProcessList.c:62:32: warning: cast from 'const void *' to 'struct TtyDriver_ *' drops const qualifier [-Wcast-qual]
   TtyDriver* a = (TtyDriver*) va;
                               ^
linux/LinuxProcessList.c:63:32: warning: cast from 'const void *' to 'struct TtyDriver_ *' drops const qualifier [-Wcast-qual]
   TtyDriver* b = (TtyDriver*) vb;
                               ^

linux/Battery.c:130:21: warning: cast from 'const char *' to 'char *' drops const qualifier [-Wcast-qual]
      free((char *) isOnline);
                    ^
linux/Battery.c:197:26: warning: cast from 'const char *' to 'char *' drops const qualifier [-Wcast-qual]
      xSnprintf((char *) filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/type", entryName);
                         ^
linux/Battery.c:209:29: warning: cast from 'const char *' to 'char *' drops const qualifier [-Wcast-qual]
         xSnprintf((char *) filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/uevent", entryName);
                            ^
linux/Battery.c:262:29: warning: cast from 'const char *' to 'char *' drops const qualifier [-Wcast-qual]
         xSnprintf((char *) filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/online", entryName);
                            ^

3 files changed, 14 insertions, 14 deletions

diff --git a/linux/Battery.c b/linux/Battery.c
index 6ea48c45..a0a0e58e 100644
--- a/linux/Battery.c
+++ b/linux/Battery.c
@@ -120,7 +120,7 @@ static ACPresence procAcpiCheck(void) {
       fclose(file);
       if (!line) continue;
 
-      const char *isOnline = String_getToken(line, 2);
+      char *isOnline = String_getToken(line, 2);
       free(line);
 
       if (strcmp(isOnline, "on-line") == 0) {
@@ -128,7 +128,7 @@ static ACPresence procAcpiCheck(void) {
       } else {
          isOn = AC_ABSENT;
       }
-      free((char *) isOnline);
+      free(isOnline);
       if (isOn == AC_PRESENT) {
          break;
       }
@@ -193,9 +193,9 @@ static void Battery_getSysData(double* level, ACPresence* isOnAC) {
       if (!dirEntry)
          break;
       char* entryName = (char *) dirEntry->d_name;
-      const char filePath[256];
+      char filePath[256];
 
-      xSnprintf((char *) filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/type", entryName);
+      xSnprintf(filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/type", entryName);
       int fd1 = open(filePath, O_RDONLY);
       if (fd1 == -1)
          continue;
@@ -207,7 +207,7 @@ static void Battery_getSysData(double* level, ACPresence* isOnAC) {
          continue;
 
       if (type[0] == 'B' && type[1] == 'a' && type[2] == 't') {
-         xSnprintf((char *) filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/uevent", entryName);
+         xSnprintf(filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/uevent", entryName);
          int fd2 = open(filePath, O_RDONLY);
          if (fd2 == -1) {
             closedir(dir);
@@ -260,7 +260,7 @@ static void Battery_getSysData(double* level, ACPresence* isOnAC) {
             continue;
          }
 
-         xSnprintf((char *) filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/online", entryName);
+         xSnprintf(filePath, sizeof filePath, SYS_POWERSUPPLY_DIR "/%s/online", entryName);
          int fd3 = open(filePath, O_RDONLY);
          if (fd3 == -1) {
             closedir(dir);
diff --git a/linux/LinuxProcess.c b/linux/LinuxProcess.c
index a589d62e..41404de1 100644
--- a/linux/LinuxProcess.c
+++ b/linux/LinuxProcess.c
@@ -297,14 +297,14 @@ void LinuxProcess_writeField(Process* this, RichString* str, ProcessField field)
 }
 
 long LinuxProcess_compare(const void* v1, const void* v2) {
-   LinuxProcess *p1, *p2;
-   Settings *settings = ((Process*)v1)->settings;
+   const LinuxProcess *p1, *p2;
+   const Settings *settings = ((const Process*)v1)->settings;
    if (settings->direction == 1) {
-      p1 = (LinuxProcess*)v1;
-      p2 = (LinuxProcess*)v2;
+      p1 = (const LinuxProcess*)v1;
+      p2 = (const LinuxProcess*)v2;
    } else {
-      p2 = (LinuxProcess*)v1;
-      p1 = (LinuxProcess*)v2;
+      p2 = (const LinuxProcess*)v1;
+      p1 = (const LinuxProcess*)v2;
    }
    long long diff;
    switch ((int)settings->sortKey) {
diff --git a/linux/LinuxProcessList.c b/linux/LinuxProcessList.c
index 807cc8a6..76f2a423 100644
--- a/linux/LinuxProcessList.c
+++ b/linux/LinuxProcessList.c
@@ -59,8 +59,8 @@ static ssize_t xread(int fd, void *buf, size_t count) {
 }
 
 static int sortTtyDrivers(const void* va, const void* vb) {
-   TtyDriver* a = (TtyDriver*) va;
-   TtyDriver* b = (TtyDriver*) vb;
+   const TtyDriver* a = (const TtyDriver*) va;
+   const TtyDriver* b = (const TtyDriver*) vb;
    return (a->major == b->major) ? ((int)a->minorFrom - (int)b->minorFrom) : ((int)a->major - (int)b->major);
 }