fix compiler warnings

gcc gives warnings like this:

warning: ignoring return value of ‘fscanf’, declared with attribute
warn_unused_result

Assign value to a variable, cast to (void) to discard it.

2 files changed, 4 insertions, 2 deletions

diff --git a/linux/LinuxProcessList.c b/linux/LinuxProcessList.c
index 926bebbc..e4bc8e50 100644
--- a/linux/LinuxProcessList.c
+++ b/linux/LinuxProcessList.c
@@ -94,7 +94,8 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, ui
    int cpus = -1;
    do {
       cpus++;
-      fgets(buffer, 255, file);
+      char * s = fgets(buffer, 255, file);
+      (void) s;
    } while (String_startsWith(buffer, "cpu"));
    fclose(file);
 
diff --git a/linux/Platform.c b/linux/Platform.c
index f14c38c7..fad0e6b7 100644
--- a/linux/Platform.c
+++ b/linux/Platform.c
@@ -110,7 +110,8 @@ int Platform_getMaxPid() {
    FILE* file = fopen(PROCDIR "/sys/kernel/pid_max", "r");
    if (!file) return -1;
    int maxPid = 4194303;
-   (void) fscanf(file, "%32d", &maxPid);
+   int match = fscanf(file, "%32d", &maxPid);
+   (void) match;
    fclose(file);
    return maxPid;
 }