[Forensics-changes] [yara] 44/407: Implement yr_rules_foreach and use it where appropriate

[Hilko Bengen]

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bengen pushed a commit to annotated tag v3.3.0
in repository yara.

commit 55ee00dc63ff14f615f87ce9f318b55f34ce2463
Author: Victor Manuel Alvarez <vmalvarez at virustotal.com>
Date:   Thu Sep 18 20:33:43 2014 +0200

    Implement yr_rules_foreach and use it where appropriate
---
 libyara/include/yara/rules.h |  4 ++++
 libyara/rules.c              | 32 ++++++--------------------------
 yara-python/yara-python.c    | 10 ++--------
 3 files changed, 12 insertions(+), 34 deletions(-)

diff --git a/libyara/include/yara/rules.h b/libyara/include/yara/rules.h
index 9114827..43cf163 100644
--- a/libyara/include/yara/rules.h
+++ b/libyara/include/yara/rules.h
@@ -49,6 +49,10 @@ limitations under the License.
     for (match = STRING_MATCHES(string).head; match != NULL; match = match->next)
 
 
+#define yr_rules_foreach(rules, rule) \
+    for (rule = rules->rules_list_head; !RULE_IS_NULL(rule); rule++)
+
+
 
 int yr_rules_scan_mem(
     YR_RULES* rules,
diff --git a/libyara/rules.c b/libyara/rules.c
index 9d77a60..bea56cb 100644
--- a/libyara/rules.c
+++ b/libyara/rules.c
@@ -151,15 +151,12 @@ void _yr_rules_clean_matches(
 
   int tidx = yr_get_tidx();
 
-  rule = rules->rules_list_head;
-
-  while (!RULE_IS_NULL(rule))
+  yr_rules_foreach(rules, rule)
   {
     rule->t_flags[tidx] &= ~RULE_TFLAGS_MATCH;
     rule->ns->t_flags[tidx] &= ~NAMESPACE_TFLAGS_UNSATISFIED_GLOBAL;
-    string = rule->strings;
 
-    while (!STRING_IS_NULL(string))
+    yr_rule_strings_foreach(rule, string)
     {
       string->matches[tidx].count = 0;
       string->matches[tidx].head = NULL;
@@ -167,10 +164,7 @@ void _yr_rules_clean_matches(
       string->unconfirmed_matches[tidx].count = 0;
       string->unconfirmed_matches[tidx].head = NULL;
       string->unconfirmed_matches[tidx].tail = NULL;
-      string++;
     }
-
-    rule++;
   }
 }
 
@@ -186,17 +180,13 @@ void yr_rules_print_profiling_info(
 
   printf("===== PROFILING INFORMATION =====\n");
 
-  rule = rules->rules_list_head;
-
-  while (!RULE_IS_NULL(rule))
+  yr_rules_foreach(rules, rule)
   {
     clock_ticks = rule->clock_ticks;
-    string = rule->strings;
 
-    while (!STRING_IS_NULL(string))
+    yr_rule_strings_foreach(rule, string)
     {
       clock_ticks += string->clock_ticks;
-      string++;
     }
 
     printf(
@@ -204,8 +194,6 @@ void yr_rules_print_profiling_info(
         rule->ns->name,
         rule->identifier,
         clock_ticks);
-
-    rule++;
   }
 
   printf("================================\n");
@@ -419,21 +407,15 @@ int yr_rules_scan_mem_blocks(
   if (result != ERROR_SUCCESS)
     goto _exit;
 
-  rule = rules->rules_list_head;
-
-  while (!RULE_IS_NULL(rule))
+  yr_rules_foreach(rules, rule)
   {
     if (RULE_IS_GLOBAL(rule) && !(rule->t_flags[tidx] & RULE_TFLAGS_MATCH))
     {
       rule->ns->t_flags[tidx] |= NAMESPACE_TFLAGS_UNSATISFIED_GLOBAL;
     }
-
-    rule++;
   }
 
-  rule = rules->rules_list_head;
-
-  while (!RULE_IS_NULL(rule))
+  yr_rules_foreach(rules, rule)
   {
     if (rule->t_flags[tidx] & RULE_TFLAGS_MATCH &&
         !(rule->ns->t_flags[tidx] & NAMESPACE_TFLAGS_UNSATISFIED_GLOBAL))
@@ -458,8 +440,6 @@ int yr_rules_scan_mem_blocks(
           goto _exit;
       }
     }
-
-    rule++;
   }
 
   callback(CALLBACK_MSG_SCAN_FINISHED, NULL, user_data);
diff --git a/yara-python/yara-python.c b/yara-python/yara-python.c
index 87a64f0..e62cfc0 100644
--- a/yara-python/yara-python.c
+++ b/yara-python/yara-python.c
@@ -1162,17 +1162,13 @@ static PyObject * Rules_profiling_info(
 
   result = PyDict_New();
 
-  rule = rules->rules_list_head;
-
-  while (!RULE_IS_NULL(rule))
+  yr_rules_foreach(rules, rule)
   {
     clock_ticks = rule->clock_ticks;
-    string = rule->strings;
 
-    while (!STRING_IS_NULL(string))
+    yr_rule_strings_foreach(rule, string)
     {
       clock_ticks += string->clock_ticks;
-      string++;
     }
 
     snprintf(key, sizeof(key), "%s:%s", rule->ns->name, rule->identifier);
@@ -1180,8 +1176,6 @@ static PyObject * Rules_profiling_info(
     object = PyLong_FromLongLong(clock_ticks);
     PyDict_SetItemString(result, key, object);
     Py_DECREF(object);
-
-    rule++;
   }
 
   return result;

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