[Forensics-changes] [yara] 86/135: Fix issue #148 by asserting that yr_compiler_get_rules was not called before yr_compiler_add_file/yr_compiler_add_string

[Hilko Bengen]

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bengen pushed a commit to annotated tag v3.1.0
in repository yara.

commit 33bd8fdf48698af33b9276103fb42174c495fbf2
Author: Victor M. Alvarez <plusvic at gmail.com>
Date:   Mon Aug 11 09:51:51 2014 +0200

    Fix issue #148 by asserting that yr_compiler_get_rules was not called before yr_compiler_add_file/yr_compiler_add_string
---
 libyara/compiler.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/libyara/compiler.c b/libyara/compiler.c
index 5f88718..de59c35 100644
--- a/libyara/compiler.c
+++ b/libyara/compiler.c
@@ -320,6 +320,11 @@ int yr_compiler_add_file(
     const char* namespace_,
     const char* file_name)
 {
+  // Don't allow yr_compiler_add_file() after
+  // yr_compiler_get_rules() has been called.
+
+  assert(compiler->compiled_rules_arena == NULL);
+
   if (file_name != NULL)
     _yr_compiler_push_file_name(compiler, file_name);
 
@@ -337,6 +342,11 @@ int yr_compiler_add_string(
     const char* rules_string,
     const char* namespace_)
 {
+  // Don't allow yr_compiler_add_string() after
+  // yr_compiler_get_rules() has been called.
+
+  assert(compiler->compiled_rules_arena == NULL);
+
   if (namespace_ != NULL)
     _yr_compiler_set_namespace(compiler, namespace_);
   else

-- 
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