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From 2a32bf09f5e9572da4be183bb0dbde8164351474 Mon Sep 17 00:00:00 2001
From: Andreas Gruenbacher <agruen@gnu.org>
Date: Fri, 6 Apr 2018 20:32:46 +0200
Subject: [PATCH 09/17] Minor cleanups in do_ed_script
* src/pch.c (do_ed_script): Minor cleanups.
---
src/pch.c | 57 +++++++++++++++++++++++++++------------------------------
1 file changed, 27 insertions(+), 30 deletions(-)
diff --git a/src/pch.c b/src/pch.c
index 1f14624..1055542 100644
--- a/src/pch.c
+++ b/src/pch.c
@@ -2396,6 +2396,10 @@ do_ed_script (char const *inname, char const *outname,
char const *tmpname;
int tmpfd;
pid_t pid;
+ int exclusive = *outname_needs_removal ? 0 : O_EXCL;
+ char const **ed_argv;
+ int stdin_dup, status;
+
if (! dry_run && ! skip_rest_of_patch)
{
@@ -2443,7 +2447,7 @@ do_ed_script (char const *inname, char const *outname,
break;
}
}
- if (!tmpfp)
+ if (dry_run || skip_rest_of_patch)
return;
if (fwrite ("w\nq\n", sizeof (char), (size_t) 4, tmpfp) == 0
|| fflush (tmpfp) != 0)
@@ -2452,36 +2456,29 @@ do_ed_script (char const *inname, char const *outname,
if (lseek (tmpfd, 0, SEEK_SET) == -1)
pfatal ("Can't rewind to the beginning of file %s", quotearg (tmpname));
- if (! dry_run && ! skip_rest_of_patch) {
- int exclusive = *outname_needs_removal ? 0 : O_EXCL;
- char const **ed_argv;
- int stdin_dup, status;
-
+ if (inerrno != ENOENT)
+ {
*outname_needs_removal = true;
- if (inerrno != ENOENT)
- {
- *outname_needs_removal = true;
- copy_file (inname, outname, 0, exclusive, instat.st_mode, true);
- }
- fflush (stdout);
-
- if ((stdin_dup = dup (0)) == -1
- || dup2 (tmpfd, 0) == -1)
- pfatal ("Failed to duplicate standard input");
- assert (outname[0] != '!' && outname[0] != '-');
- ed_argv = alloca (4 * sizeof * ed_argv);
- ed_argv[0] = editor_program;
- ed_argv[1] = "-";
- ed_argv[2] = outname;
- ed_argv[3] = (char *) NULL;
- status = execute (editor_program, editor_program, (char **)ed_argv,
- false, false, false, false, true, false, NULL);
- if (status)
- fatal ("%s FAILED", editor_program);
- if (dup2 (stdin_dup, 0) == -1
- || close (stdin_dup) == -1)
- pfatal ("Failed to duplicate standard input");
- }
+ copy_file (inname, outname, 0, exclusive, instat.st_mode, true);
+ }
+ fflush (stdout);
+
+ if ((stdin_dup = dup (0)) == -1
+ || dup2 (tmpfd, 0) == -1)
+ pfatal ("Failed to duplicate standard input");
+ assert (outname[0] != '!' && outname[0] != '-');
+ ed_argv = alloca (4 * sizeof * ed_argv);
+ ed_argv[0] = editor_program;
+ ed_argv[1] = "-";
+ ed_argv[2] = outname;
+ ed_argv[3] = (char *) NULL;
+ status = execute (editor_program, editor_program, (char **)ed_argv,
+ false, false, false, false, true, false, NULL);
+ if (status)
+ fatal ("%s FAILED", editor_program);
+ if (dup2 (stdin_dup, 0) == -1
+ || close (stdin_dup) == -1)
+ pfatal ("Failed to duplicate standard input");
fclose (tmpfp);
safe_unlink (tmpname);
--
2.11.0
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