+hTab *
+getRuntimeVariables(void)
+{
+ return _mainValues;
+}
+
+
+/* strncpy() with guaranteed NULL termination. */
+char *strncpyz(char *dest, const char *src, size_t n)
+{
+ assert(n > 0);
+
+ --n;
+ /* paranoia... */
+ if (strlen(src) > n)
+ {
+ fprintf(stderr, "strncpyz prevented buffer overrun!\n");
+ }
+
+ strncpy(dest, src, n);
+ dest[n] = 0;
+ return dest;
+}
+
+/* like strncat() with guaranteed NULL termination
+ * The passed size should be the size of the dest buffer, not the number of
+ * bytes to copy.
+ */
+char *strncatz(char *dest, const char *src, size_t n)
+{
+ size_t maxToCopy;
+ size_t destLen = strlen(dest);
+
+ assert(n > 0);
+ assert(n > destLen);
+
+ maxToCopy = n - destLen - 1;
+
+ /* paranoia... */
+ if (strlen(src) + destLen >= n)
+ {
+ fprintf(stderr, "strncatz prevented buffer overrun!\n");
+ }
+
+ strncat(dest, src, maxToCopy);
+ dest[n - 1] = 0;
+ return dest;
+}
+
+
+/*-----------------------------------------------------------------*/
+/* getBuildNumber - return build number */
+/*-----------------------------------------------------------------*/
+const char *getBuildNumber(void)
+{
+ return (SDCC_BUILD_NUMBER);
+}
+
+#if defined(HAVE_VSNPRINTF) || defined(HAVE_VSPRINTF)
+size_t SDCCsnprintf(char *dst, size_t n, const char *fmt, ...)
+{
+ va_list args;
+ int len;
+
+ va_start(args, fmt);
+
+# if defined(HAVE_VSNPRINTF)
+ len = vsnprintf(dst, n, fmt, args);
+# else
+ vsprintf(dst, fmt, args);
+ len = strlen(dst) + 1;
+# endif
+
+ va_end(args);
+
+ /* on some gnu systems, vsnprintf returns -1 if output is truncated.
+ * In the C99 spec, vsnprintf returns the number of characters that
+ * would have been written, were space available.
+ */
+ if ((len < 0) || (size_t) len >= n) {
+ fprintf(stderr, "internal error: sprintf truncated.\n");
+ }
+
+ return len;
+}
+
+#endif