add "make check" target and make it work :)

GNUmakefile

@@ -381,7 +381,7 @@ windoze:
 	$(MAKE) DIET= CROSS=i686-mingw32-
 
 windoze64:
-	$(MAKE) DIET= CROSS=x86_64-mingw32-
+	$(MAKE) DIET= CROSS=x86_64-w64-mingw32-
 
 update:
 	dl -n http://www.w3.org/TR/html5/entities.json
@@ -398,3 +398,8 @@ sa1:
 sa2:
 	$(MAKE) clean
 	$(MAKE) DIET= CC="gcc -fanalyzer" -j8
+
+UNITTESTS=$(shell grep -l UNITTEST */*.c)
+
+check: haveuint128.h haveinline.h entities.h
+	for i in $(UNITTESTS); do $(DIET) $(CCC) -g -o t -DUNITTEST $$i -I. $(LDFLAGS) && ./t || echo FAIL $$i ; done

scan/scan_8longn.c

@@ -26,17 +26,17 @@ size_t scan_8longn(const char *src,size_t n,unsigned long *dest) {
 
 int main() {
   unsigned long i;
-  assert(scan_8longn("1234",100,&i)==4 && i==01234);
-  assert(scan_8longn("12345678",100,&i)==7 && i==01234567);
+  assert(scan_8longn("1234\0""67890",10,&i)==4 && i==01234);
+  assert(scan_8longn("12345678",9,&i)==7 && i==01234567);
   if (sizeof(long)==sizeof(int)) {
-    assert(scan_8longn("37777777777",100,&i)==11 && i==0xffffffff);
-    assert(scan_8longn("40000000000",100,&i)==10 && i==04000000000);
+    assert(scan_8longn("37777777777",12,&i)==11 && i==0xffffffff);
+    assert(scan_8longn("40000000000",12,&i)==10 && i==04000000000);
   } else if (sizeof(long)==sizeof(long long)) {
-    assert(scan_8longn("1777777777777777777777",100,&i)==22 && i==0xffffffffffffffffull);
-    assert(scan_8longn("2000000000000000000000",100,&i)==21 && i==0200000000000000000000ull);
+    assert(scan_8longn("1777777777777777777777",23,&i)==22 && i==0xffffffffffffffffull);
+    assert(scan_8longn("2000000000000000000000",23,&i)==21 && i==0200000000000000000000ull);
   }
-  assert(scan_8longn("-4",100,&i)==0 && i==0);
-  assert(scan_8longn("01234",100,&i)==5 && i==01234);
+  assert(scan_8longn("-4",3,&i)==0 && i==0);
+  assert(scan_8longn("01234",6,&i)==5 && i==01234);
   assert(scan_8longn("1234",2,&i)==2 && i==012);
   return 0;
 }

textcode/fmt_jsonescape.c

@@ -93,6 +93,13 @@ noneed:
 #include <assert.h>
 #include <string.h>
 
+#undef UNITTEST
+#include "fmt/fmt_tohex.c"
+#include "case/case_diffb.c"
+#include "fmt/fmt_utf8.c"
+#include "scan/scan_utf8_sem.c"
+#include "scan/scan_utf8.c"
+
 int main() {
   char buf[100];
   /* test utf-8 pass-through and correct encoding of \t */

textcode/scan_cescape.c

@@ -77,6 +77,7 @@ error:
 
 #ifdef UNITTEST
 #include <assert.h>
+#include <string.h>
 #undef UNITTEST
 #include <scan/scan_fromhex.c>
 #include <fmt/fmt_utf8.c>

textcode/scan_ldapescape.c

@@ -26,6 +26,7 @@ size_t scan_ldapescape(const char *src,char *dest,size_t *destlen) {
 
 #ifdef UNITTEST
 #include <assert.h>
+#include <string.h>
 #undef UNITTEST
 #include <scan/scan_fromhex.c>