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Diffstat (limited to 'shadow/fgetspent_r.c')
-rw-r--r--shadow/fgetspent_r.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/shadow/fgetspent_r.c b/shadow/fgetspent_r.c
index cb14a23037..bf4a3f8c08 100644
--- a/shadow/fgetspent_r.c
+++ b/shadow/fgetspent_r.c
@@ -41,14 +41,14 @@ __fgetspent_r (FILE *stream, struct spwd *resbuf, char *buffer, size_t buflen,
 
   do
     {
-      buffer[buflen] = '\xff';
+      buffer[buflen - 1] = '\xff';
       p = fgets (buffer, buflen, stream);
       if (p == NULL && feof (stream))
 	{
 	  *result = NULL;
 	  return errno;
 	}
-      if (p == NULL || buffer[buflen] != '\xff')
+      if (p == NULL || buffer[buflen - 1] != '\xff')
 	{
 	  *result = NULL;
 	  return errno = ERANGE;