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-rw-r--r--grep.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/grep.c b/grep.c
index 0d50598acd..f7c3a5803e 100644
--- a/grep.c
+++ b/grep.c
@@ -1780,6 +1780,10 @@ static int grep_source_1(struct grep_opt *opt, struct grep_source *gs, int colle
enum grep_context ctx = GREP_CONTEXT_HEAD;
xdemitconf_t xecfg;
+ if (!opt->status_only && gs->name == NULL)
+ BUG("grep call which could print a name requires "
+ "grep_source.name be non-NULL");
+
if (!opt->output)
opt->output = std_output;