portabtest: Actually test functions

[ngircd-alex.git] / src / portab / portabtest.c

diff --git a/src/portab/portabtest.c b/src/portab/portabtest.c
index 8284c1d027d2af09640f7924050a8148b35bffd3..4f53ce76594a27fa0d70a551c6e213e66899de47 100644 (file)
--- a/src/portab/portabtest.c
+++ b/src/portab/portabtest.c
@@ -24,7 +24,82 @@
 
 #include "exp.h"
 
-static void Panic PARAMS((char *Reason));
+static void
+Panic(char *Reason)
+{
+       /* Oops, something failed!? */
+       fprintf(stderr, "Oops, test for %s failed!?\n", Reason);
+       exit(1);
+} /* Panic */
+
+static void
+Check_snprintf(void)
+{
+       char str[5];
+
+       snprintf(str, sizeof(str), "%s", "1234567890");
+       if (str[4] != '\0')
+               Panic("snprintf NULL byte");
+       if (strlen(str) != 4)
+               Panic("snprintf string length");
+}
+
+static void
+Check_strlcpy(void)
+{
+       char str[5];
+
+       if (strlcpy(str, "1234567890", sizeof(str)) != 10)
+               Panic("strlcpy return code");
+       if (str[4] != '\0')
+               Panic("strlcpy NULL byte");
+       if (strlen(str) != 4)
+               Panic("strlcpy string length");
+}
+
+static void
+Check_strlcat(void)
+{
+       char str[5];
+
+       if (strlcpy(str, "12", sizeof(str)) != 2)
+               Panic("strlcpy for strlcat");
+       if (strlcat(str, "1234567890", sizeof(str)) != 12)
+               Panic("strlcat return code");
+       if (str[4] != '\0')
+               Panic("strlcat NULL byte");
+       if (strlen(str) != 4)
+               Panic("strlcat string length");
+}
+
+#ifdef PROTOTYPES
+static void
+Check_vsnprintf(const int Len, const char *Format, ...)
+#else
+static void
+Check_vsnprintf(Len, Format, va_alist)
+const int Len;
+const char *Format;
+va_dcl
+#endif
+{
+       char str[5];
+       va_list ap;
+
+#ifdef PROTOTYPES
+       va_start(ap, Format);
+#else
+       va_start(ap);
+#endif
+       if (vsnprintf(str, sizeof(str), Format, ap) != Len)
+               Panic("vsnprintf return code");
+       va_end(ap);
+
+       if (str[4] != '\0')
+               Panic("vsnprintf NULL byte");
+       if (strlen(str) != 4)
+               Panic("vsnprintf string length");
+}
 
 GLOBAL int
 main(void)
@@ -41,28 +116,13 @@ main(void)
        if (sizeof(UINT32) != 4)
                Panic("UINT32");
 
-#ifdef PROTOTYPES
        /* check functions */
-       if (!snprintf)
-               Panic("snprintf");
-       if (!vsnprintf)
-               Panic("vsnprintf");
-       if (!strlcpy)
-               Panic("strlcpy");
-       if (!strlcat)
-               Panic("strlcat");
-#endif
+       Check_snprintf();
+       Check_strlcpy();
+       Check_strlcat();
+       Check_vsnprintf(2+10, "%s%s", "ab", "1234567890");
        
-       /* ok, no error */
        return 0;
-} /* portab_check_types */
-
-static void
-Panic(char *Reason)
-{
-       /* Oops, something failed!? */
-       fprintf(stderr, "Oops, test for %s failed!?", Reason);
-       exit(1);
-} /* Panic */
+}
 
 /* -eof- */