tests: set C11, enable pedantic warnings, fix GCC and Clang warnings

include/bits/sys/time.h

@@ -14,10 +14,10 @@
         (t)->tv_sec = 0, \
         (t)->tv_usec = 0 \
     )
-#define timerisset(t) (t)->tv_sec || (t)->tv_usec
-#define timercmp(x,y,op) (x)->tv_sec == (y)->tv_sec ? \
+#define timerisset(t) ((t)->tv_sec || (t)->tv_usec)
+#define timercmp(x,y,op) ((x)->tv_sec == (y)->tv_sec ? \
     (x)->tv_usec op (y)->tv_usec \
     : \
-    (x)->tv_sec op (y)->tv_sec
+    (x)->tv_sec op (y)->tv_sec)
 
 #endif

tests/Makefile

@@ -150,10 +150,12 @@ verify: | ../sysroot $(EXPECT_BINS)
 	done
 
 CFLAGS=\
+	-std=c11 \
 	-fno-builtin \
 	-fno-stack-protector \
 	-static \
 	-Wall \
+	-pedantic \
 	-g \
 	-nostdinc \
 	-nostdlib \

tests/constructor.c

@@ -11,10 +11,10 @@ void constructor_no_priority(void) {
         puts("constructor ("#__priority")");       \
     }
 
-TEST(101);
-TEST(102);
-TEST(103);
-TEST(104);
+TEST(101)
+TEST(102)
+TEST(103)
+TEST(104)
 
 int main(int argc, char *argv[]) {
     puts("main");

tests/destructor.c

@@ -11,10 +11,10 @@ void destructor_no_priority(void) {
         puts("destructor ("#__priority")");       \
     }
 
-TEST(101);
-TEST(102);
-TEST(103);
-TEST(104);
+TEST(101)
+TEST(102)
+TEST(103)
+TEST(104)
 
 int main(int argc, char *argv[]) {
     puts("main");

tests/expected/time/time.stderr

@@ -1,3 +0,0 @@
-clock_gettime: Success
-time: Success
-clock: Success

tests/regex.c

@@ -13,7 +13,7 @@ int main() {
         return -1;
     }
 
-    regmatch_t matches[3] = { 0 };
+    regmatch_t matches[3] = {{0}};
 
     error = regexec(&regex, "Hey, how are you? Hello? Hallo Wurld??", 3, matches, 0);
 

tests/stdlib/bsearch.c

@@ -22,8 +22,10 @@ int int_cmp(const void* a, const void* b) {
 int main(int argc, char* argv[]) {
   int x = 0;
   int y = 1024;
-  int empty[] = {};
-  BSEARCH_TEST_INT(x, empty, 0, NULL);
+
+  // TODO: Zero sized arrays are a non-standard GNU extension
+  //int empty[] = {};
+  //BSEARCH_TEST_INT(x, empty, 0, NULL);
 
   int singleton[] = {42};
   printf("%p\n%p\n", singleton, &singleton[1]);

tests/string/strtok.c

@@ -8,7 +8,7 @@ int main(int argc, char* argv[]) {
     char* token = strtok(source, " ");
     while (token) {
         printf("%s", token);
-        if (token = strtok(NULL, " ")) {
+        if ((token = strtok(NULL, " "))) {
             printf("_");
         }
     }

tests/string/strtok_r.c

@@ -9,7 +9,7 @@ int main(int argc, char* argv[]) {
     char* token = strtok_r(source, " ", &sp);
     while (token) {
         printf("%s", token);
-        if (token = strtok_r(NULL, " ", &sp)) {
+        if ((token = strtok_r(NULL, " ", &sp))) {
             printf("_");
         }
     }

tests/time/mktime.c

@@ -19,7 +19,7 @@ int check(time_t input) {
     return 0;
 }
 int main() {
-    struct tm t = {};
+    struct tm t = { 0 };
 
     t.tm_year = 71;
     t.tm_mday = 1;

tests/time/time.c

@@ -3,11 +3,24 @@
 
 int main(int argc, char** argv) {
     struct timespec tm = {0, 0};
-    clock_gettime(CLOCK_REALTIME, &tm);
-    perror("clock_gettime");
-    time(NULL);
-    perror("time");
+
+    int cgt = clock_gettime(CLOCK_REALTIME, &tm);
+    if (cgt == -1) {
+        perror("clock_gettime");
+        return 1;
+    }
+
+    time_t t = time(NULL);
+    if (t == (time_t)-1) {
+        perror("time");
+        return 1;
+    }
+
     clock_t c = clock();
-    perror("clock");
+    if (c == (clock_t)-1) {
+        perror("clock");
+        return 1;
+    }
+
     return 0;
 }

tests/unistd/pipe.c

@@ -59,7 +59,7 @@ int main()
         } else if (bytes != strlen(outstring)) {
             fprintf(stderr, "pipe read: %d != %ld\n", bytes, strlen(outstring));
             return 1;
-        } else if (memcmp(instring, outstring, sizeof(outstring)) != 0) {
+        } else if (memcmp(instring, outstring, strlen(outstring)) != 0) {
             fprintf(stderr, "pipe read does not match pipe write\n");
             return 1;
         } else {

tests/wchar/mbrtowc.c

@@ -27,4 +27,4 @@ int main(void)
     printf("into %zu wchar_t units: [ ", out_sz); //Should be 5 wchars
     for(size_t x = 0; x < out_sz; ++x) printf("%#x ", out[x]);
     puts("]");
-}
+}

tests/wchar/putwchar.c

@@ -18,4 +18,4 @@ int main(void)
     }
 
     return 0;
-}
+}

tests/wchar/wcrtomb.c

@@ -26,4 +26,4 @@ int main( void )
     printf("into %zu UTF-8 code units: [ ", out_sz);
     for(size_t x = 0; x < out_sz; ++x) printf("%#x ", +(unsigned char)out[x]);
     puts("]");
-} 
+}