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path: root/src/interfaces/ecpg/preproc/ecpg.c
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Diffstat (limited to 'src/interfaces/ecpg/preproc/ecpg.c')
-rw-r--r--src/interfaces/ecpg/preproc/ecpg.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/interfaces/ecpg/preproc/ecpg.c b/src/interfaces/ecpg/preproc/ecpg.c
index 7e7bae30a0b..1b775a13e8f 100644
--- a/src/interfaces/ecpg/preproc/ecpg.c
+++ b/src/interfaces/ecpg/preproc/ecpg.c
@@ -171,7 +171,7 @@ main(int argc, char *const argv[])
regression_mode = true;
break;
case 'o':
- output_filename = optarg;
+ output_filename = strdup(optarg);
if (strcmp(output_filename, "-") == 0)
yyout = stdout;
else