+
+size_t util_strtocmd(const char *in, char *out, size_t outsz) {
+ size_t sz = 1;
+ for (; *in && sz < outsz; ++in, ++out, ++sz) {
+ if (*in == '-')
+ *out = '_';
+ else if (isalpha(*in) && !isupper(*in))
+ *out = *in + 'A' - 'a';
+ else
+ *out = *in;
+ }
+ *out = 0;
+ return sz-1;
+}
+
+size_t util_strtononcmd(const char *in, char *out, size_t outsz) {
+ size_t sz = 1;
+ for (; *in && sz < outsz; ++in, ++out, ++sz) {
+ if (*in == '_')
+ *out = '-';
+ else if (isalpha(*in) && isupper(*in))
+ *out = *in + 'a' - 'A';
+ else
+ *out = *in;
+ }
+ *out = 0;
+ return sz-1;
+}
+
+FILE *util_fopen(const char *filename, const char *mode)
+{
+#ifdef WIN32
+ FILE *out;
+ if (fopen_s(&out, filename, mode) != 0)
+ return NULL;
+ return out;
+#else
+ return fopen(filename, mode);
+#endif
+}
+