224 lines
6.9 KiB
Diff
224 lines
6.9 KiB
Diff
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diff -Burp sed-4.1.5/doc/sed.1 sed-4.1.5-f+c/doc/sed.1
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--- sed-4.1.5/doc/sed.1 2006-02-03 10:27:35.000000000 +0100
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+++ sed-4.1.5-f+c/doc/sed.1 2006-12-08 16:42:59.000000000 +0100
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@@ -1,5 +1,5 @@
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.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.28.
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-.TH SED "1" "February 2006" "sed version 4.1.4" "User Commands"
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+.TH SED "1" "June 2006" "sed version 4.1.5" "User Commands"
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.SH NAME
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sed \- stream editor for filtering and transforming text
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.SH SYNOPSIS
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@@ -36,6 +36,11 @@ add the contents of script-file to the c
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.IP
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edit files in place (makes backup if extension supplied)
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.HP
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+\fB\-c\fR, \fB\-\-copy\fR
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+.IP
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+use copy instead of rename when shuffling files in \fB\-i\fR mode
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+(avoids change of input file ownership)
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+.HP
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\fB\-l\fR N, \fB\-\-line\-length\fR=\fIN\fR
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.IP
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specify the desired line-wrap length for the `l' command
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diff -Burp sed-4.1.5/lib/utils.c sed-4.1.5-f+c/lib/utils.c
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--- sed-4.1.5/lib/utils.c 2006-12-08 16:41:41.000000000 +0100
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+++ sed-4.1.5-f+c/lib/utils.c 2006-12-08 16:42:59.000000000 +0100
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@@ -405,6 +406,55 @@ _unlink_if_fail (rd, unlink_if_fail)
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return rd != -1;
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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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+ const char *from, *to;
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+{
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+ static size_t bufsize = 1024;
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+ FILE *infile, *outfile;
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+ int retval = 0;
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+ char * buf;
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+
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+ errno = 0;
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+
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+ infile = fopen (from, "r");
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+ if (infile == NULL)
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+ return -1;
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+
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+ outfile = fopen (to, "w");
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+ if (outfile == NULL)
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+ {
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+ fclose (infile);
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+ return -1;
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+ }
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+
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+ buf = alloca (bufsize);
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+ while (1)
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+ {
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+ size_t bytes_in = fread (buf, 1, bufsize, infile);
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+ size_t bytes_out;
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+ if (bytes_in == 0)
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+ {
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+ if (ferror (infile))
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+ retval = -1;
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+ break;
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+ }
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+
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+ bytes_out = fwrite (buf, 1, bytes_in, outfile);
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+ if (bytes_out != bytes_in)
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+ {
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+ retval = -1;
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+ break;
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+ }
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+ }
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+
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+ fclose (outfile);
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+ fclose (infile);
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+
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+ return retval;
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+}
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+
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/* Panic on failing rename */
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void
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ck_rename (from, to, unlink_if_fail)
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@@ -415,6 +465,26 @@ ck_rename (from, to, unlink_if_fail)
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panic (_("cannot rename %s: %s"), from, strerror (errno));
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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_fcmove (from, to, unlink_if_fail)
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+ const char *from, *to;
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+ const char *unlink_if_fail;
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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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+
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+/* Copy contents between files, and then unlink the source. */
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+void
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+ck_fcopy (from, to, unlink_if_fail)
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+ const char *from, *to;
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+ const char *unlink_if_fail;
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+{
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+ ck_fcmove (from, to, unlink_if_fail);
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+ ck_unlink (from);
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+}
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+
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/* Panic on failing malloc */
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diff -Burp sed-4.1.5/lib/utils.h sed-4.1.5-f+c/lib/utils.h
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--- sed-4.1.5/lib/utils.h 2006-12-08 16:41:41.000000000 +0100
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+++ sed-4.1.5-f+c/lib/utils.h 2006-12-08 16:42:59.000000000 +0100
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@@ -31,6 +31,8 @@ size_t ck_getline P_((char **text, size_
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FILE * ck_mkstemp P_((char **p_filename, char *tmpdir, char *base));
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const char* ck_follow_symlink P_((const char * fname));
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void ck_rename P_((const char *from, const char *to, const char *unlink_if_fail));
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+void ck_fcopy P_((const char *from, const char *to, const char *unlink_if_fail));
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+void ck_fcmove P_((const char *from, const char *to, const char *unlink_if_fail));
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VOID *ck_malloc P_((size_t size));
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VOID *xmalloc P_((size_t size));
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diff -Burp sed-4.1.5/sed/execute.c sed-4.1.5-f+c/sed/execute.c
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--- sed-4.1.5/sed/execute.c 2006-12-08 16:41:41.000000000 +0100
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+++ sed-4.1.5-f+c/sed/execute.c 2006-12-08 16:42:59.000000000 +0100
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@@ -716,12 +716,14 @@ closedown(input)
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ck_fclose (output_file.fp);
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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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+ char *backup_file_name = get_backup_file_name(target_name);
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+ (copy_instead_of_rename?ck_fcmove:ck_rename)
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+ (target_name, backup_file_name, input->out_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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+ (copy_instead_of_rename?ck_fcopy:ck_rename)
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+ (input->out_file_name, target_name, input->out_file_name);
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free (input->out_file_name);
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free (target_name);
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}
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diff -Burp sed-4.1.5/sed/sed.c sed-4.1.5-f+c/sed/sed.c
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--- sed-4.1.5/sed/sed.c 2005-06-21 16:09:47.000000000 +0200
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+++ sed-4.1.5-f+c/sed/sed.c 2006-12-08 16:42:59.000000000 +0100
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@@ -73,6 +73,10 @@ bool separate_files = false;
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/* How do we edit files in-place? (we don't if NULL) */
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char *in_place_extension = NULL;
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+/* Do we use copy or rename when in in-place edit mode? (boolean
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+ value, non-zero for copy, zero for rename).*/
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+int copy_instead_of_rename = 0;
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+
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/* Do we need to be pedantically POSIX compliant? */
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enum posixicity_types posixicity;
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@@ -107,6 +111,9 @@ Usage: %s [OPTION]... {script-only-if-no
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add the contents of script-file to the commands to be executed\n"));
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fprintf(out, _(" -i[SUFFIX], --in-place[=SUFFIX]\n\
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edit files in place (makes backup if extension supplied)\n"));
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+ fprintf(out, _(" -c, --copy\n\
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+ use copy instead of rename when shuffling files in -i mode\n\
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+ (avoids change of input file ownership)\n"));
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fprintf(out, _(" -l N, --line-length=N\n\
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specify the desired line-wrap length for the `l' command\n"));
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fprintf(out, _(" --posix\n\
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@@ -142,9 +149,9 @@ main(argc, argv)
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char **argv;
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{
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#ifdef REG_PERL
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-#define SHORTOPTS "snrRue:f:l:i::V:"
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+#define SHORTOPTS "csnrRue:f:l:i::V:"
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#else
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-#define SHORTOPTS "snrue:f:l:i::V:"
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+#define SHORTOPTS "csnrue:f:l:i::V:"
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#endif
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static struct option longopts[] = {
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@@ -155,6 +162,7 @@ main(argc, argv)
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{"expression", 1, NULL, 'e'},
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{"file", 1, NULL, 'f'},
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{"in-place", 2, NULL, 'i'},
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+ {"copy", 0, NULL, 'c'},
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{"line-length", 1, NULL, 'l'},
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{"quiet", 0, NULL, 'n'},
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{"posix", 0, NULL, 'p'},
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@@ -215,6 +223,10 @@ main(argc, argv)
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the_program = compile_file(the_program, optarg);
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break;
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+ case 'c':
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+ copy_instead_of_rename = true;
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+ break;
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+
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case 'i':
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separate_files = true;
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if (optarg == NULL)
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@@ -284,6 +296,12 @@ to the extent permitted by law.\n\
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}
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}
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+ if (copy_instead_of_rename && in_place_extension == NULL)
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+ {
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+ fprintf (stderr, _("Error: -c used without -i.\n"));
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+ usage(4);
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+ }
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+
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if (!the_program)
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{
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if (optind < argc)
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diff -Burp sed-4.1.5/sed/sed.h sed-4.1.5-f+c/sed/sed.h
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--- sed-4.1.5/sed/sed.h 2006-12-08 16:41:41.000000000 +0100
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+++ sed-4.1.5-f+c/sed/sed.h 2006-12-08 16:42:59.000000000 +0100
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@@ -228,6 +228,10 @@ 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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+/* Do we use copy or rename when in in-place edit mode? (boolean
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+ value, non-zero for copy, zero for rename).*/
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+extern int copy_instead_of_rename;
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+
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/* Should we use EREs? */
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extern bool use_extended_syntax_p;
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