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-rw-r--r--src/common.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/common.cc b/src/common.cc
index b00d9e22..d9489270 100644
--- a/src/common.cc
+++ b/src/common.cc
@@ -120,7 +120,7 @@ void destroy_string_slice(StringSlice* str) {
Result read_file(const char* filename, char** out_data, size_t* out_size) {
FILE* infile = fopen(filename, "rb");
if (!infile) {
- const char* format = "unable to read file %s";
+ const char format[] = "unable to read file %s";
char msg[PATH_MAX + sizeof(format)];
wabt_snprintf(msg, sizeof(msg), format, filename);
perror(msg);