ash: read profile script relative to binary

As well as trying to read '/etc/profile' also look for the script
'etc/profile' relative to the location of the running binary.

Adds 64-96 bytes.

1 files changed, 8 insertions, 0 deletions

diff --git a/win32/mingw.c b/win32/mingw.c
index 273b8d840..f2b025e43 100644
--- a/win32/mingw.c
+++ b/win32/mingw.c
@@ -2507,3 +2507,11 @@ change_critical_error_dialogs(const char *newval)
         SetErrorMode(newval && newval[0] == '1' && newval[1] == '\0' ?
                                         0 : SEM_FAILCRITICALERRORS);
 }
+
+char *exe_relative_path(const char *tail)
+{
+        char *exepath = xstrdup(bb_busybox_exec_path);
+        char *relpath = concat_path_file(dirname(exepath), tail);
+        free(exepath);
+        return relpath;
+}