https://git.ruby-lang.org/ruby.git/commit/?id=b5d8849220

From b5d884922053962c955df1ce54d9dabc98888272 Mon Sep 17 00:00:00 2001
From: Koichi Sasada <ko1@a...>
Date: Sat, 9 Nov 2019 07:09:01 +0900
Subject: Revert "don't embed full-path."

This reverts commit dfac2e9eb3d697e56d91151584f1d3cf9d2c79c9.

It does not work if cwd is different from builddir...

diff --git a/builtin.c b/builtin.c
index d936d1c..bcc5dc6 100644
--- a/builtin.c
+++ b/builtin.c
@@ -18,7 +18,7 @@ builtin_lookup(const char *feature, size_t *psize) https://github.com/ruby/ruby/blob/trunk/builtin.c#L18
 }
 
 void
-rb_load_with_builtin_functions(const char *feature_name, const struct rb_builtin_function *table)
+rb_load_with_builtin_functions(const char *feature_name, const char *fname, const struct rb_builtin_function *table)
 {
     // search binary
     size_t size;
diff --git a/builtin.h b/builtin.h
index ee99e21..ef6ff82 100644
--- a/builtin.h
+++ b/builtin.h
@@ -12,7 +12,7 @@ struct rb_builtin_function { https://github.com/ruby/ruby/blob/trunk/builtin.h#L12
 
 #define RB_BUILTIN_FUNCTION(_i, _name, _arity) { .name = #_name, .func_ptr = (void *)_name, .argc = _arity, .index = _i }
 
-void rb_load_with_builtin_functions(const char *feature_name, const struct rb_builtin_function *table);
+void rb_load_with_builtin_functions(const char *feature_name, const char *fname, const struct rb_builtin_function *table);
 
 #ifndef VM_CORE_H_EC_DEFINED
 typedef struct rb_execution_context_struct rb_execution_context_t;
diff --git a/mini_builtin.c b/mini_builtin.c
index 060c955..dc95919 100644
--- a/mini_builtin.c
+++ b/mini_builtin.c
@@ -36,23 +36,12 @@ read_file(const char *fname, size_t *psize) https://github.com/ruby/ruby/blob/trunk/mini_builtin.c#L36
 }
 
 static struct st_table *loaded_builtin_table;
-static char srcdir[0x200];
-static const char fname[] = "mini_builtin.c";
-
-static const char *
-feature_path(const char *name)
-{
-    static char path[0x200];
-    snprintf(path, 0x200-1, "%s%s.rb", srcdir, name);
-    // fprintf(stderr, "srcdir:%s, path:%s, PATH_SEP_CHAR:%c\n", srcdir, path, PATH_SEP_CHAR);
-    return path;
-}
 
 void
-rb_load_with_builtin_functions(const char *feature_name, const struct rb_builtin_function *table)
+rb_load_with_builtin_functions(const char *feature_name, const char *fname, const struct rb_builtin_function *table)
 {
     size_t fsize;
-    const char *code = read_file(feature_path(feature_name), &fsize);
+    const char *code = read_file(fname, &fsize);
     VALUE code_str = rb_utf8_str_new_static(code, fsize);
     VALUE name_str = rb_sprintf("<internal:%s>", feature_name);
     rb_obj_hide(code_str);
@@ -97,15 +86,4 @@ Init_builtin(void) https://github.com/ruby/ruby/blob/trunk/mini_builtin.c#L86
 {
     rb_define_singleton_method(rb_cRubyVM, "each_builtin", each_builtin, 0);
     loaded_builtin_table = st_init_strtable();
-
-    // check srcdir
-    // assume __FILE__ encoding is ASCII compatible.
-    int pos = strlen(__FILE__) - strlen(fname);
-    if (pos < 0) rb_bug("strlen(%s) - strlen(%s) < 0", __FILE__, fname);
-
-    if (strcmp(__FILE__ + pos, fname) != 0) {
-        rb_bug("%s does not terminate with %s\n", __FILE__, fname);
-    }
-    strncpy(srcdir, __FILE__, 0x200-1);
-    srcdir[pos] = 0;
 }
diff --git a/tool/mk_builtin_loader.rb b/tool/mk_builtin_loader.rb
index f00e2fe..87b5e2a 100644
--- a/tool/mk_builtin_loader.rb
+++ b/tool/mk_builtin_loader.rb
@@ -67,9 +67,10 @@ def mk_builtin_header file https://github.com/ruby/ruby/blob/trunk/tool/mk_builtin_loader.rb#L67
     f.puts "COMPILER_WARNING_POP"
 
 
+    path = File.expand_path(file)
     f.puts
     f.puts "  // load"
-    f.puts "  rb_load_with_builtin_functions(\"#{base}\", #{table});"
+    f.puts "  rb_load_with_builtin_functions(\"#{base}\", \"#{file}\", #{table});"
 
     f.puts "}"
   }
-- 
cgit v0.10.2


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