mailmap: avoid out-of-bounds memory access

diff --git a/quote.c b/quote.c
index 532fd3b7b7a0c7b6766a7af742b0c7362f307221..911229fdf3caffe29a87aea76f38dc50863797d4 100644 (file)
--- a/quote.c
+++ b/quote.c
@@ -1,5 +1,6 @@
 #include "cache.h"
 #include "quote.h"
+#include "argv-array.h"
 
 int quote_path_fully = 1;
 
@@ -120,7 +121,9 @@ char *sq_dequote(char *arg)
        return sq_dequote_step(arg, NULL);
 }
 
-int sq_dequote_to_argv(char *arg, const char ***argv, int *nr, int *alloc)
+static int sq_dequote_to_argv_internal(char *arg,
+                                      const char ***argv, int *nr, int *alloc,
+                                      struct argv_array *array)
 {
        char *next = arg;
 
@@ -130,13 +133,27 @@ int sq_dequote_to_argv(char *arg, const char ***argv, int *nr, int *alloc)
                char *dequoted = sq_dequote_step(next, &next);
                if (!dequoted)
                        return -1;
-               ALLOC_GROW(*argv, *nr + 1, *alloc);
-               (*argv)[(*nr)++] = dequoted;
+               if (argv) {
+                       ALLOC_GROW(*argv, *nr + 1, *alloc);
+                       (*argv)[(*nr)++] = dequoted;
+               }
+               if (array)
+                       argv_array_push(array, dequoted);
        } while (next);
 
        return 0;
 }
 
+int sq_dequote_to_argv(char *arg, const char ***argv, int *nr, int *alloc)
+{
+       return sq_dequote_to_argv_internal(arg, argv, nr, alloc, NULL);
+}
+
+int sq_dequote_to_argv_array(char *arg, struct argv_array *array)
+{
+       return sq_dequote_to_argv_internal(arg, NULL, NULL, NULL, array);
+}
+
 /* 1 means: quote as octal
  * 0 means: quote as octal if (quote_path_fully)
  * -1 means: never quote