282 lines
8.6 KiB
Diff
282 lines
8.6 KiB
Diff
diff -urN sed-4.3/sed/execute.c sed-4.3.new00/sed/execute.c
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--- sed-4.3/sed/execute.c 2012-03-16 10:13:31.000000000 +0100
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+++ sed-4.3.new00/sed/execute.c 2014-02-10 14:40:25.603629422 +0100
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@@ -703,11 +703,13 @@
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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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+ (copy_instead_of_rename?ck_fccopy: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_fcmove:ck_rename)
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+ (input->out_file_name, target_name, input->out_file_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 -urN sed-4.3/sed/sed.c sed-4.3.new00/sed/sed.c
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--- sed-4.3/sed/sed.c 2012-03-16 10:13:31.000000000 +0100
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+++ sed-4.3.new00/sed/sed.c 2014-02-10 17:37:19.381273509 +0100
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@@ -56,6 +56,10 @@
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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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/* 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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@@ -117,11 +121,16 @@
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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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-#if defined WIN32 || defined _WIN32 || defined __CYGWIN__ \
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- || defined MSDOS || defined __EMX__
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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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- " processed specially)\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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+ fprintf(out, _(" -b, --binary\n"
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+#if ! ( defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__) || defined(MSDOS) || defined(__EMX__) )
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+" does nothing; for compatibility with WIN32/CYGWIN/MSDOS/EMX (\n"
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+#endif
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+" open files in binary mode (CR+LFs are not treated specially)"
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+#if ! ( defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__) || defined(MSDOS) || defined(__EMX__) )
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+ ")"
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#endif
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+ "\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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@@ -138,8 +149,10 @@
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the output buffers more often\n"));
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fprintf(out, _(" -z, --null-data\n\
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separate lines by NUL characters\n"));
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- fprintf(out, _(" --help display this help and exit\n"));
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- fprintf(out, _(" --version output version information and exit\n"));
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+ fprintf(out, _(" --help\n\
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+ display this help and exit\n"));
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+ fprintf(out, _(" --version\n\
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+ output version information and exit\n"));
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fprintf(out, _("\n\
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If no -e, --expression, -f, or --file option is given, then the first\n\
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non-option argument is taken as the sed script to interpret. All\n\
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@@ -158,9 +171,9 @@
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main (int argc, char **argv)
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{
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#ifdef REG_PERL
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-#define SHORTOPTS "bsnrzRuEe:f:l:i::V:"
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+#define SHORTOPTS "bcsnrzRuEe:f:l:i::"
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#else
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-#define SHORTOPTS "bsnrzuEe:f:l:i::V:"
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+#define SHORTOPTS "bcsnrzuEe:f:l:i::"
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#endif
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enum { SANDBOX_OPTION = CHAR_MAX+1 };
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@@ -172,6 +185,7 @@
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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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{"null-data", 0, NULL, 'z'},
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{"zero-terminated", 0, NULL, 'z'},
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@@ -246,6 +260,10 @@
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follow_symlinks = true;
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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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@@ -272,9 +290,11 @@
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posixicity = POSIXLY_BASIC;
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break;
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- case 'b':
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+ case 'b':
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+#if defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__) || defined(MSDOS) || defined(__EMX__)
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read_mode = "rb";
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write_mode = "wb";
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+#endif
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break;
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case 'E':
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@@ -314,6 +334,12 @@
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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 -urN sed-4.3/sed/sed.h sed-4.3.new00/sed/sed.h
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--- sed-4.3/sed/sed.h 2012-07-25 12:33:09.000000000 +0200
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+++ sed-4.3.new00/sed/sed.h 2014-02-10 14:40:25.602629419 +0100
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@@ -230,6 +230,10 @@
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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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/* The mode to use to read and write files, either "rt"/"w" or "rb"/"wb". */
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extern char const *read_mode;
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extern char const *write_mode;
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diff -urN sed-4.3/sed/utils.c sed-4.3.new00/sed/utils.c
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--- sed-4.3/sed/utils.c 2012-03-16 10:13:31.000000000 +0100
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+++ sed-4.3.new00/sed/utils.c 2014-02-10 14:40:25.603629422 +0100
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@@ -27,6 +27,7 @@
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#include <sys/stat.h>
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#include <unistd.h>
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#include <limits.h>
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+#include <fcntl.h>
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#include "unlocked-io.h"
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#include "utils.h"
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@@ -363,31 +364,106 @@
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#endif /* ENABLE_FOLLOW_SYMLINKS */
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}
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-/* Panic on failing rename */
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+/* Panic on failing unlink */
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void
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-ck_rename (const char *from, const char *to, const char *unlink_if_fail)
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+ck_unlink (const char *name)
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{
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- int rd = rename (from, to);
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- if (rd != -1)
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- return;
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+ if (unlink (name) == -1)
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+ panic (_("cannot remove %s: %s"), name, strerror (errno));
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+}
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- if (unlink_if_fail)
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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 (rd, unlink_if_fail)
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+ int rd;
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+ 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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+ const char *from, *to;
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+{
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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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errno = 0;
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- unlink (unlink_if_fail);
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- /* Failure to remove the temporary file is more severe,
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- so trigger it first. */
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- if (errno != 0)
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- panic (_("cannot remove %s: %s"), unlink_if_fail, strerror (errno));
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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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- errno = save_errno;
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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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+ while (1)
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+ {
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+ size_t bytes_in = fread (buf, 1, sizeof (buf), 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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+ 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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+ 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 (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_fccopy (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_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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+ ck_fccopy (from, to, unlink_if_fail);
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+ ck_unlink (from);
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+}
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diff -urN sed-4.3/sed/utils.h sed-4.3.new00/sed/utils.h
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--- sed-4.3/sed/utils.h 2012-03-16 10:13:31.000000000 +0100
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+++ sed-4.3.new00/sed/utils.h 2014-02-10 14:40:25.603629422 +0100
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@@ -33,6 +33,8 @@
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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_malloc (size_t size);
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void *xmalloc (size_t size);
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