mirror of https://github.com/xzeldon/htop.git
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.
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@ -93,7 +93,8 @@ void TraceScreen_run(TraceScreen* this) {
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execlp("strace", "strace", "-p", buffer, NULL);
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}
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const char* message = "Could not execute 'strace'. Please make sure it is available in your $PATH.";
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write(fdpair[1], message, strlen(message));
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ssize_t written = write(fdpair[1], message, strlen(message));
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(void) written;
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exit(1);
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}
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fcntl(fdpair[0], F_SETFL, O_NONBLOCK);
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@ -94,7 +94,8 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidWhiteList, ui
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int cpus = -1;
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do {
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cpus++;
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fgets(buffer, 255, file);
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char * s = fgets(buffer, 255, file);
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(void) s;
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} while (String_startsWith(buffer, "cpu"));
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fclose(file);
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@ -110,7 +110,8 @@ int Platform_getMaxPid() {
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FILE* file = fopen(PROCDIR "/sys/kernel/pid_max", "r");
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if (!file) return -1;
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int maxPid = 4194303;
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(void) fscanf(file, "%32d", &maxPid);
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int match = fscanf(file, "%32d", &maxPid);
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(void) match;
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fclose(file);
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return maxPid;
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}
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