[PATCH 2/5] virutil: Introduce virCrash

[Michal Privoznik <mprivozn@xxxxxxxxxx>]

Signed-off-by: Michal Privoznik <mprivozn@xxxxxxxxxx>
---
 src/libvirt_private.syms |  1 +
 src/util/virutil.c       | 32 ++++++++++++++++++++++++++++++++
 src/util/virutil.h       |  2 ++
 3 files changed, 35 insertions(+)

diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 684f06c..afd7832 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -2418,6 +2418,7 @@ virUSBDeviceSetUsedBy;
 
 
 # util/virutil.h
+virCrash;
 virDoubleToStr;
 virEnumFromString;
 virEnumToString;
diff --git a/src/util/virutil.c b/src/util/virutil.c
index b401f8d..44e6c9b 100644
--- a/src/util/virutil.c
+++ b/src/util/virutil.c
@@ -2669,3 +2669,35 @@ virMemoryMaxValue(bool capped)
     else
         return LLONG_MAX;
 }
+
+static int
+virRecursive(void)
+{
+    virRecursive();
+    return 0;
+}
+
+int
+virCrash(int mode)
+{
+    const char *s = "Hello world!";
+    char **tmp;
+    char *n = NULL;
+
+    switch ((virConnectCrashMode) mode) {
+    case VIR_CONNECT_CRASH_WRITE_RO:
+        tmp = (char **) &s;
+        **tmp = 'h';
+        break;
+
+    case VIR_CONNECT_CRASH_NULL_DEREF:
+        *n = 'L';
+        break;
+
+    case VIR_CONNECT_CRASH_STACK_OVERFLOW:
+        virRecursive();
+        break;
+    }
+
+    return 0;
+}
diff --git a/src/util/virutil.h b/src/util/virutil.h
index b121de0..e5997e4 100644
--- a/src/util/virutil.h
+++ b/src/util/virutil.h
@@ -265,4 +265,6 @@ unsigned long long virMemoryMaxValue(bool ulong);
 # define VIR_ASSIGN_IS_OVERFLOW(lvalue, rvalue)                                \
     (((lvalue) = (rvalue)) != (rvalue))
 
+int virCrash(int mode);
+
 #endif /* __VIR_UTIL_H__ */
-- 
2.7.3

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