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-rw-r--r--src/main.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/main.c b/src/main.c
index b7e438b1e..2dd6dc873 100644
--- a/src/main.c
+++ b/src/main.c
@@ -5839,7 +5839,8 @@ rename_if_dos_device_name (char *file_name)
static char *sanitize_dos_name(char *fn)
{
char tmpfn[PATH_MAX];
- fn[PATH_MAX-1]=0; /* ensure fn is not too long by possibly truncating it */
+ if(strlen(fn) >= PATH_MAX)
+ fn[PATH_MAX-1]=0; /* truncate it */
strcpy(tmpfn, msdosify(fn));
free(fn);
return strdup(rename_if_dos_device_name(tmpfn));