a little program to change // comments to /* */ ones

src/mesa/shader/slang/MachineIndependent/preprocessor/cpp_comment_fix.c

@@ -0,0 +1,76 @@
+/* converts c++ to c comments */
+/* usage: ./cpp_comment_fix source */
+
+#include <stdio.h>
+
+int main (int argc, char *argv[])
+{
+	FILE *f;
+	int c;
+	char *buf = NULL;
+	int size = 0, i = 0;
+	
+	f = fopen (argv[1], "r");
+	while ((c = fgetc (f)) != EOF)
+	{
+		buf = (void *) realloc (buf, size + 1);
+		buf[size] = c;
+		size++;
+	}
+	fclose (f);
+	
+	f = fopen (argv[1], "w");
+
+	while (i < size)
+	{
+		if (buf[i] == '/')
+		{
+			if (buf[i+1] == '/')
+			{
+				fprintf (f, "/*");
+				i+=2;
+				while (buf[i] != '\n' && buf[i] != '\r' && i < size)
+					fprintf (f, "%c", buf[i++]);
+				fprintf (f, " */\n");
+				if (i < size && buf[i] == '\n')
+					i++;
+				else if (i < size && buf[i] == '\r')
+					i+=2;
+			}
+			else
+			{
+				fprintf (f, "/");
+				i++;
+
+				if (buf[i] == '*')
+				{
+					fprintf (f, "*");
+					i++;
+
+					for (;;)
+					{
+						if (buf[i] == '*' && buf[i+1] == '/')
+						{
+							fprintf (f, "*/");
+							i+=2;
+							break;
+						}
+						else
+						{
+							fprintf (f, "%c", buf[i]);
+							i++;
+						}
+					}
+				}
+			}
+		}
+		else
+		{
+			fprintf (f, "%c", buf[i]);
+			i++;
+		}
+	}
+	fclose (f);
+	return 0;
+}
+