code review 5675095: cmd/dist: fix pprof permissions

src/cmd/dist/buildruntime.c

 // Copyright 2012 The Go Authors.  All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 #include "a.h"
 #include <stdio.h>
 
 /*
  * Helpers for building pkg/runtime.
  */
@@ skipping 13 matching lines @@
         binit(&out);
 ········
         bwritestr(&out, bprintf(&b,
                 "// auto generated by go tool dist\n"
                 "\n"
                 "package runtime\n"
                 "\n"
                 "const defaultGoroot = `%s`\n"
                 "const theVersion = `%s`\n", goroot_final, goversion));
 
-        writefile(&out, file);
+        writefile(&out, file, 0);
 ········
         bfree(&b);
         bfree(&out);
 }
 
 // mkzgoarch writes zgoarch_$GOARCH.go:
 //
 //      package runtime
 //      const theGoarch = <goarch>
 //
 void
 mkzgoarch(char *dir, char *file)
 {
         Buf b, out;
 ········
         binit(&b);
         binit(&out);
 ········
         bwritestr(&out, bprintf(&b,
                 "// auto generated by go tool dist\n"
                 "\n"
                 "package runtime\n"
                 "\n"
                 "const theGoarch = `%s`\n", goarch));
 
-        writefile(&out, file);
+        writefile(&out, file, 0);
 ········
         bfree(&b);
         bfree(&out);
 }
 
 // mkzgoos writes zgoos_$GOOS.go:
 //
 //      package runtime
 //      const theGoos = <goos>
 //
 void
 mkzgoos(char *dir, char *file)
 {
         Buf b, out;
 ········
         binit(&b);
         binit(&out);
 ········
         bwritestr(&out, bprintf(&b,
                 "// auto generated by go tool dist\n"
                 "\n"
                 "package runtime\n"
                 "\n"
                 "const theGoos = `%s`\n", goos));
 
-        writefile(&out, file);
+        writefile(&out, file, 0);
 ········
         bfree(&b);
         bfree(&out);
 }
 
 static struct {
         char *goarch;
         char *goos;
         char *hdr;
 } zasmhdr[] = {
@@ skipping 131 matching lines @@
                 if(aggr && hasprefix(lines.p[i], "\t") && fields.len >= 2) {
                         n = fields.len;
                         p = fields.p[n-1];
                         if(p[xstrlen(p)-1] == ';')
                                 p[xstrlen(p)-1] = '\0';
                         bwritestr(&out, bprintf(&b, "#define %s_%s %s\n", aggr, fields.p[n-1], fields.p[n-2]));
                 }
         }
 ········
         // Write both to file and to workdir/zasm_GOOS_GOARCH.h.
-        writefile(&out, file);
-        writefile(&out, bprintf(&b, "%s/zasm_GOOS_GOARCH.h", workdir));
+        writefile(&out, file, 0);
+        writefile(&out, bprintf(&b, "%s/zasm_GOOS_GOARCH.h", workdir), 0);
 
         bfree(&in);
         bfree(&b);
         bfree(&out);
         vfree(&argv);
         vfree(&lines);
         vfree(&fields);
 }
 
 static char *runtimedefs[] = {
@@ skipping 77 matching lines @@
                 }
                 if(skip) {
                         if(hasprefix(p, "}"))
                                 skip = 0;
                         continue;
                 }
 ················
                 bwritestr(&out, p);
         }
 ········
-        writefile(&out, file);
+        writefile(&out, file, 0);
 
         bfree(&in);
         bfree(&b);
         bfree(&out);
         vfree(&argv);
         vfree(&lines);
         vfree(&fields);
         vfree(&seen);
 }