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-rw-r--r--src/libstrongswan/printf_hook.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/libstrongswan/printf_hook.c b/src/libstrongswan/printf_hook.c
index 0407e8c82..baf339640 100644
--- a/src/libstrongswan/printf_hook.c
+++ b/src/libstrongswan/printf_hook.c
@@ -116,3 +116,26 @@ int arginfo_ptr_alt_ptr_int(const struct printf_info *info, size_t n, int *argty
}
return 1;
}
+
+/**
+ * special arginfo handler respecting alt flag
+ */
+int arginfo_ptr_alt_ptr_ptr(const struct printf_info *info, size_t n, int *argtypes)
+{
+ if (info->alt)
+ {
+ if (n > 1)
+ {
+ argtypes[0] = PA_POINTER;
+ argtypes[1] = PA_POINTER;
+ }
+ return 2;
+ }
+
+ if (n > 0)
+ {
+ argtypes[0] = PA_POINTER;
+ }
+ return 1;
+}
+