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@ -1,50 +1,43 @@
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From f336bde91e3fd9c3c2960aa548b8917eb1216678 Mon Sep 17 00:00:00 2001
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From: Jakub Martisko <jamartis@redhat.com>
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Date: Thu, 6 Feb 2020 15:26:33 +0100
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Subject: [PATCH] -c flag
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From 100738652ca35e39f21742b8c54c1181efb38a0f Mon Sep 17 00:00:00 2001
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From: Paolo Bonzini <pbonzini@redhat.com>
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Date: Tue, 30 Jan 2024 10:38:50 +0100
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Subject: [PATCH 2/3] -c flag
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Content-Type: text/plain; charset=UTF-8
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---
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sed/execute.c | 18 +++++++++--
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sed/execute.c | 10 ++++--
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sed/sed.c | 20 +++++++++++-
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sed/sed.h | 4 +++
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sed/utils.c | 86 +++++++++++++++++++++++++++++++++++++++++++++++++++
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sed/utils.h | 2 ++
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5 files changed, 127 insertions(+), 3 deletions(-)
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5 files changed, 119 insertions(+), 3 deletions(-)
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diff --git a/sed/execute.c b/sed/execute.c
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index c5f07cc..4e5f5b3 100644
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index 485bca7..8d0cde7 100644
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--- a/sed/execute.c
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+++ b/sed/execute.c
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@@ -670,11 +670,25 @@ closedown (struct input *input)
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@@ -673,11 +673,17 @@ closedown (struct input *input)
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if (strcmp (in_place_extension, "*") != 0)
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{
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char *backup_file_name = get_backup_file_name (target_name);
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- ck_rename (target_name, backup_file_name, input->out_file_name);
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- ck_rename (target_name, backup_file_name);
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+ if (copy_instead_of_rename)
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+ {
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+ ck_fccopy (target_name, backup_file_name, input->out_file_name);
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+ }
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+ ck_fccopy (target_name, backup_file_name);
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+ else
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+ {
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+ ck_rename (target_name, backup_file_name, input->out_file_name);
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+ }
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+ ck_rename (target_name, backup_file_name);
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free (backup_file_name);
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}
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- ck_rename (input->out_file_name, target_name, input->out_file_name);
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- ck_rename (input->out_file_name, target_name);
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+ if (copy_instead_of_rename)
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+ {
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+ ck_fcmove (input->out_file_name, target_name, input->out_file_name);
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+ }
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+ ck_fcmove (input->out_file_name, target_name);
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+ else
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+ {
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+ ck_rename (input->out_file_name, target_name, input->out_file_name);
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+ }
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+ ck_rename (input->out_file_name, target_name);
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cancel_cleanup ();
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free (input->out_file_name);
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}
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diff --git a/sed/sed.c b/sed/sed.c
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index 1ca5839..745159e 100644
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index bdf590b..cebef70 100644
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--- a/sed/sed.c
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+++ b/sed/sed.c
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@@ -67,6 +67,10 @@ bool debug = false;
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@ -58,7 +51,7 @@ index 1ca5839..745159e 100644
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/* The mode to use to read/write files, either "r"/"w" or "rb"/"wb". */
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char const *read_mode = "r";
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char const *write_mode = "w";
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@@ -170,6 +174,10 @@ Usage: %s [OPTION]... {script-only-if-no-other-script} [input-file]...\n\
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@@ -149,6 +153,10 @@ Usage: %s [OPTION]... {script-only-if-no-other-script} [input-file]...\n\
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#endif
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fprintf (out, _(" -i[SUFFIX], --in-place[=SUFFIX]\n\
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edit files in place (makes backup if SUFFIX supplied)\n"));
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@ -69,7 +62,7 @@ index 1ca5839..745159e 100644
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#if O_BINARY
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fprintf (out, _(" -b, --binary\n\
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open files in binary mode (CR+LFs are not" \
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@@ -214,7 +222,7 @@ specified, then the standard input is read.\n\
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@@ -193,7 +201,7 @@ specified, then the standard input is read.\n\
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int
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main (int argc, char **argv)
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{
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@ -78,7 +71,7 @@ index 1ca5839..745159e 100644
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enum { SANDBOX_OPTION = CHAR_MAX+1,
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DEBUG_OPTION
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@@ -228,6 +236,7 @@ main (int argc, char **argv)
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@@ -207,6 +215,7 @@ main (int argc, char **argv)
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{"file", 1, NULL, 'f'},
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{"in-place", 2, NULL, 'i'},
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{"line-length", 1, NULL, 'l'},
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@ -86,7 +79,7 @@ index 1ca5839..745159e 100644
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{"null-data", 0, NULL, 'z'},
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{"zero-terminated", 0, NULL, 'z'},
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{"quiet", 0, NULL, 'n'},
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@@ -306,6 +315,10 @@ main (int argc, char **argv)
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@@ -285,6 +294,10 @@ main (int argc, char **argv)
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follow_symlinks = true;
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break;
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@ -97,7 +90,7 @@ index 1ca5839..745159e 100644
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case 'i':
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separate_files = true;
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IF_LINT (free (in_place_extension));
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@@ -376,6 +389,11 @@ main (int argc, char **argv)
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@@ -355,6 +368,11 @@ main (int argc, char **argv)
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}
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}
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@ -110,10 +103,10 @@ index 1ca5839..745159e 100644
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{
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if (optind < argc)
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diff --git a/sed/sed.h b/sed/sed.h
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index 1c8e83a..0859e72 100644
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index 1c96bc5..2de60ae 100644
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--- a/sed/sed.h
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+++ b/sed/sed.h
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@@ -236,6 +236,10 @@ extern countT lcmd_out_line_len;
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@@ -241,6 +241,10 @@ extern countT lcmd_out_line_len;
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/* How do we edit files in-place? (we don't if NULL) */
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extern char *in_place_extension;
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@ -125,7 +118,7 @@ index 1c8e83a..0859e72 100644
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extern char const *read_mode;
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extern char const *write_mode;
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diff --git a/sed/utils.c b/sed/utils.c
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index 9576dd1..371d5a9 100644
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index 4bd6587..05f7a44 100644
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--- a/sed/utils.c
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+++ b/sed/utils.c
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@@ -25,6 +25,7 @@
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@ -135,8 +128,8 @@ index 9576dd1..371d5a9 100644
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+#include <fcntl.h>
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#include "binary-io.h"
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#include "unlocked-io.h"
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@@ -400,7 +401,92 @@ ck_rename (const char *from, const char *to, const char *unlink_if_fail)
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#include "eloop-threshold.h"
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@@ -408,7 +409,78 @@ ck_rename (const char *from, const char *to)
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panic (_("cannot rename %s: %s"), from, strerror (errno));
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}
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@ -150,20 +143,6 @@ index 9576dd1..371d5a9 100644
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+ panic (_("cannot remove %s: %s"), name, strerror (errno));
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+}
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+
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+/* Attempt to unlink denoted file if operation rd failed. */
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+static int
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+_unlink_if_fail (int rd,const char * unlink_if_fail)
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+{
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+ if (rd == -1 && unlink_if_fail)
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+ {
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+ int save_errno = errno;
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+ ck_unlink (unlink_if_fail);
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+ errno = save_errno;
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+ }
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+
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+ return rd != -1;
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+}
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+
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+/* Copy contents between files. */
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+static int
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+_copy (from, to)
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@ -172,7 +151,7 @@ index 9576dd1..371d5a9 100644
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+ static char buf[4096];
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+
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+ FILE *infile, *outfile;
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+ int c, retval = 0;
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+ int retval = 0;
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+ errno = 0;
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+
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+ infile = fopen (from, "r");
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@ -213,35 +192,35 @@ index 9576dd1..371d5a9 100644
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+
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+/* Attempt to copy file contents between the files. */
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+void
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+ck_fccopy (const char *from,const char *to, const char *unlink_if_fail)
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+ck_fccopy (const char *from, const char *to)
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+{
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+ if (!_unlink_if_fail (_copy (from, to), unlink_if_fail))
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+ panic (_("cannot copy %s to %s: %s"), from, to, strerror (errno));
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+ }
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+ if (_copy (from, to) == -1)
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+ panic (_("cannot copy %s to %s: %s"), from, to, strerror (errno));
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+}
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+
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+/* Copy contents between files, and then unlink the source. */
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+void
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+ck_fcmove (const char *from, const char *to,const char *unlink_if_fail)
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+ck_fcmove (const char *from, const char *to)
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+{
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+ ck_fccopy (from, to, unlink_if_fail);
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+ ck_unlink (from);
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+ ck_fccopy (from, to);
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+ ck_unlink (from);
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+}
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/* Implement a variable sized buffer of `stuff'. We don't know what it is,
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diff --git a/sed/utils.h b/sed/utils.h
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index 47a029e..0aba107 100644
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index cac8a05..93bbcf2 100644
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--- a/sed/utils.h
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+++ b/sed/utils.h
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@@ -40,6 +40,8 @@ size_t ck_getdelim (char **text, size_t *buflen, char buffer_delimiter,
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@@ -41,6 +41,8 @@ size_t ck_getdelim (char **text, size_t *buflen, char buffer_delimiter,
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FILE * ck_mkstemp (char **p_filename, const char *tmpdir, const char *base,
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const char *mode) _GL_ARG_NONNULL ((1, 2, 3, 4));
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void ck_rename (const char *from, const char *to, const char *unlink_if_fail);
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+void ck_fccopy (const char *from, const char *to, const char *unlink_if_fail);
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+void ck_fcmove (const char *from, const char *to, const char *unlink_if_fail);
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void ck_rename (const char *from, const char *to);
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+void ck_fccopy (const char *from, const char *to);
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+void ck_fcmove (const char *from, const char *to);
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void *ck_malloc (size_t size);
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void *ck_realloc (void *ptr, size_t size);
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--
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2.24.1
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2.43.0
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