X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=secnet.git;a=blobdiff_plain;f=conffile.fl;h=2cfa21b10f96202635e8d33431802d136a6ca791;hp=1747be26fb321407edeb44ed124c644c13d80ee7;hb=090dbeef60c7e578950c3dbe807a9e2ea7e24875;hpb=f0fb73c58ef5315260164b973fcc8c3996046856

diff --git a/conffile.fl b/conffile.fl
index 1747be2..2cfa21b 100644
--- a/conffile.fl
+++ b/conffile.fl
@@ -6,6 +6,8 @@
 %option never-interactive
 
 %{
+#include <assert.h>
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -33,7 +35,7 @@ struct include_stack_item {
 struct include_stack_item include_stack[MAX_INCLUDE_DEPTH];
 int include_stack_ptr=0;
 
-uint32_t config_lineno=0;
+int config_lineno=0;
 cstring_t config_file="xxx";
 
 static struct p_node *leafnode(uint32_t type)
@@ -100,6 +102,7 @@ include			BEGIN(incl);
 	Message(M_FATAL,"config file %s line %d: %s\n",config_file,
 		config_lineno,"``include'' requires a filename");
 	BEGIN(INITIAL);
+	assert(config_lineno < INT_MAX);
 	++config_lineno;
 	++yynerrs;
 }