Update to the HEAD 2002.10.19 snapshot. This fixes some irritating bugs.

PR:		42596
Submitted by:	Jasper Jongmans <j.jongmans@aprogas.net>

6 files changed, 84 insertions, 70 deletions

diff --git a/textproc/sed_inplace/Makefile b/textproc/sed_inplace/Makefile
index df905fc56db..0ef2d57013c 100644
--- a/textproc/sed_inplace/Makefile
+++ b/textproc/sed_inplace/Makefile
@@ -6,7 +6,7 @@
 #
 
 PORTNAME=	sed_inplace
-PORTVERSION=	2002.06.28
+PORTVERSION=	2002.10.19
 CATEGORIES=	textproc
 MASTER_SITES=	#
 DISTFILES=	#
diff --git a/textproc/sed_inplace/src/compile.c b/textproc/sed_inplace/src/compile.c
index a092380c186..1b0e524a496 100644
--- a/textproc/sed_inplace/src/compile.c
+++ b/textproc/sed_inplace/src/compile.c
@@ -36,6 +36,7 @@
  */
 
 #include <sys/cdefs.h>
+__FBSDID("$FreeBSD: /tmp/pcvs/ports/textproc/sed_inplace/src/Attic/compile.c,v 1.3 2002-10-19 10:32:36 sobomax Exp $");
 
 #ifndef lint
 static const char sccsid[] = "@(#)compile.c	8.1 (Berkeley) 6/6/93";
@@ -171,8 +172,14 @@ compile_stream(link)
 		}
 
 semicolon:	EATSPACE();
-		if (p && (*p == '#' || *p == '\0'))
-			continue;
+ 		if (p) {
+ 			if (*p == '#' || *p == '\0')
+ 				continue;
+ 			else if (*p == ';') {
+ 				p++;
+ 				goto semicolon;
+ 			}
+ 		}
 		if ((*link = cmd = malloc(sizeof(struct s_command))) == NULL)
 			err(1, "malloc");
 		link = &cmd->next;
diff --git a/textproc/sed_inplace/src/extern.h b/textproc/sed_inplace/src/extern.h
index a0ad39b0ccf..df49f7e36ee 100644
--- a/textproc/sed_inplace/src/extern.h
+++ b/textproc/sed_inplace/src/extern.h
@@ -44,15 +44,15 @@ extern regmatch_t *match;
 extern size_t maxnsub;
 extern u_long linenum;
 extern int appendnum;
-extern int lastline;
 extern int aflag, eflag, nflag;
 extern const char *fname;
 extern int rflags;	/* regex flags to use */
 
 void	 cfclose(struct s_command *, struct s_command *);
 void	 compile(void);
-void	 cspace(SPACE *, char *, size_t, enum e_spflag);
+void	 cspace(SPACE *, const char *, size_t, enum e_spflag);
 char	*cu_fgets(char *, int, int *);
 int	 mf_fgets(SPACE *, enum e_spflag);
+int	 lastline(void);
 void	 process(void);
 char	*strregerror(int, regex_t *);
diff --git a/textproc/sed_inplace/src/main.c b/textproc/sed_inplace/src/main.c
index 3646a1435f7..31508e80ca3 100644
--- a/textproc/sed_inplace/src/main.c
+++ b/textproc/sed_inplace/src/main.c
@@ -36,6 +36,7 @@
  */
 
 #include <sys/cdefs.h>
+__FBSDID("$FreeBSD: /tmp/pcvs/ports/textproc/sed_inplace/src/Attic/main.c,v 1.4 2002-10-19 10:32:36 sobomax Exp $");
 
 #ifndef lint
 static const char copyright[] =
@@ -95,6 +96,8 @@ struct s_flist {
  */
 static struct s_flist *files, **fl_nextp = &files;
 
+static FILE *curfile;		/* Current open file */
+
 int aflag, eflag, nflag;
 int rflags = 0;
 static int rval;		/* Exit status */
@@ -106,7 +109,6 @@ static int rval;		/* Exit status */
 const char *fname;		/* File name. */
 const char *inplace;		/* Inplace edit file extension. */
 u_long linenum;
-int lastline;			/* TRUE on the last line of the last file */
 
 static void add_compunit(enum e_cut, char *);
 static void add_file(char *);
@@ -297,36 +299,34 @@ mf_fgets(sp, spflag)
 	SPACE *sp;
 	enum e_spflag spflag;
 {
-	static FILE *f;		/* Current open file */
 	size_t len;
 	char *p;
 	int c;
 	static int firstfile;
 
-	if (f == NULL) {
+	if (curfile == NULL) {
 		/* stdin? */
 		if (files->fname == NULL) {
 			if (inplace != NULL)
 				errx(1, "-i may not be used with stdin");
-			f = stdin;
+			curfile = stdin;
 			fname = "stdin";
 		}
 		firstfile = 1;
 	}
 
 	for (;;) {
-		if (f != NULL && (c = getc(f)) != EOF) {
-			(void)ungetc(c, f);
+		if (curfile != NULL && (c = getc(curfile)) != EOF) {
+			(void)ungetc(c, curfile);
 			break;
 		}
 		/* If we are here then either eof or no files are open yet */
-		if (f == stdin) {
+		if (curfile == stdin) {
 			sp->len = 0;
-			lastline = 1;
 			return (0);
 		}
-		if (f != NULL) {
-			fclose(f);
+		if (curfile != NULL) {
+			fclose(curfile);
 		}
 		if (firstfile == 0) {
 			files = files->next;
@@ -334,7 +334,6 @@ mf_fgets(sp, spflag)
 			firstfile = 0;
 		if (files == NULL) {
 			sp->len = 0;
-			lastline = 1;
 			return (0);
 		}
 		if (inplace != NULL) {
@@ -342,7 +341,7 @@ mf_fgets(sp, spflag)
 				continue;
 		}
 		fname = files->fname;
-		if ((f = fopen(fname, "r")) == NULL) {
+		if ((curfile = fopen(fname, "r")) == NULL) {
 			warn("%s", fname);
 			rval = 1;
 			continue;
@@ -351,28 +350,21 @@ mf_fgets(sp, spflag)
 			unlink(fname);
 	}
 	/*
-	 * We are here only when f is open and we still have something to
-	 * read from it.
+	 * We are here only when curfile is open and we still have something
+	 * to read from it.
 	 *
 	 * Use fgetln so that we can handle essentially infinite input data.
 	 * Can't use the pointer into the stdio buffer as the process space
 	 * because the ungetc() can cause it to move.
 	 */
-	p = fgetln(f, &len);
-	if (ferror(f))
+	p = fgetln(curfile, &len);
+	if (ferror(curfile))
 		errx(1, "%s: %s", fname, strerror(errno ? errno : EIO));
 	if (len != 0 && p[len - 1] == '\n')
 		len--;
 	cspace(sp, p, len, spflag);
 
 	linenum++;
-	if (files->next == NULL) {
-		if ((c = getc(f)) != EOF) {
-			(void)ungetc(c, f);
-		} else {
-			lastline = 1;
-		}
-	}
 
 	return (1);
 }
@@ -421,9 +413,7 @@ inplace_edit(filename)
 	char **filename;
 {
 	struct stat orig;
-	int input, output;
 	char backup[MAXPATHLEN];
-	char *buffer;
 
 	if (lstat(*filename, &orig) == -1)
 		err(1, "lstat");
@@ -433,35 +423,48 @@ inplace_edit(filename)
 	}
 
 	if (*inplace == '\0') {
-		char template[] = "/tmp/sed.XXXXXXXXXX";
-
-		output = mkstemp(template);
-		if (output == -1)
-			err(1, "mkstemp");
-		strlcpy(backup, template, MAXPATHLEN);
+		/*
+		 * This is a bit of a hack: we use mkstemp() to avoid the
+		 * mktemp() link-time warning, although mktemp() would fit in
+		 * this context much better. We're only interested in getting
+		 * a name for use in the rename(); there aren't any security
+		 * issues here that don't already exist in relation to the
+		 * original file and its directory.
+		 */
+		int fd;
+		strlcpy(backup, *filename, sizeof(backup));
+		strlcat(backup, ".XXXXXXXXXX", sizeof(backup));
+		fd = mkstemp(backup);
+		if (fd == -1)
+			errx(1, "could not create backup of %s", *filename);
+		else
+			close(fd);
 	} else {
-		strlcpy(backup, *filename, MAXPATHLEN);
-		strlcat(backup, inplace, MAXPATHLEN);
-		output = open(backup, O_WRONLY | O_CREAT | O_TRUNC);
-		if (output == -1)
-			err(1, "open(%s)", backup);
+		strlcpy(backup, *filename, sizeof(backup));
+		strlcat(backup, inplace, sizeof(backup));
 	}
 
-	input = open(*filename, O_RDONLY);
-	if (input == -1)
-		err(1, "open(%s)", *filename);
-	if (fchmod(output, orig.st_mode & ~S_IFMT) == -1)
-		err(1, "chmod");
-	buffer = (char *)mmap(0, orig.st_size, PROT_READ, MAP_SHARED, input, 0);
-	if (buffer == MAP_FAILED)
-		err(1, "mmap(%s)", *filename);
-	if (write(output, buffer, orig.st_size) == -1)
-		err(1, "write(%s)", backup);
-	if (munmap(buffer, orig.st_size) == -1)
-		err(1, "munmap(%s)", *filename);
-	close(input);
-	close(output);
-	freopen(*filename, "w", stdout);
+	if (rename(*filename, backup) == -1)
+		err(1, "rename(\"%s\", \"%s\")", *filename, backup);
+	if (freopen(*filename, "w", stdout) == NULL)
+		err(1, "open(\"%s\")", *filename);
+	if (fchmod(fileno(stdout), orig.st_mode) == -1)
+		err(1, "chmod(\"%s\")", *filename);
 	*filename = strdup(backup);
+	if (*filename == NULL)
+		err(1, "malloc");
 	return 0;
 }
+
+int
+lastline(void)
+{
+	int ch;
+
+	if (files->next != NULL)
+		return (0);
+	if ((ch = getc(curfile)) == EOF)
+		return (1);
+	ungetc(ch, curfile);
+	return (0);
+}
diff --git a/textproc/sed_inplace/src/misc.c b/textproc/sed_inplace/src/misc.c
index 1119addd733..47cd0151809 100644
--- a/textproc/sed_inplace/src/misc.c
+++ b/textproc/sed_inplace/src/misc.c
@@ -36,6 +36,7 @@
  */
 
 #include <sys/cdefs.h>
+__FBSDID("$FreeBSD: /tmp/pcvs/ports/textproc/sed_inplace/src/Attic/misc.c,v 1.3 2002-10-19 10:32:36 sobomax Exp $");
 
 #ifndef lint
 static const char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 6/6/93";
@@ -67,7 +68,7 @@ strregerror(errcode, preg)
 
 	if (oe != NULL)
 		free(oe);
-	s = regerror(errcode, preg, "", 0);
+	s = regerror(errcode, preg, NULL, 0);
 	if ((oe = malloc(s)) == NULL)
 		err(1, "malloc");
 	(void)regerror(errcode, preg, oe, s);
diff --git a/textproc/sed_inplace/src/process.c b/textproc/sed_inplace/src/process.c
index 2e166a45120..4bbe62635ec 100644
--- a/textproc/sed_inplace/src/process.c
+++ b/textproc/sed_inplace/src/process.c
@@ -36,6 +36,7 @@
  */
 
 #include <sys/cdefs.h>
+__FBSDID("$FreeBSD: /tmp/pcvs/ports/textproc/sed_inplace/src/Attic/process.c,v 1.4 2002-10-19 10:32:36 sobomax Exp $");
 
 #ifndef lint
 static const char sccsid[] = "@(#)process.c	8.6 (Berkeley) 4/20/94";
@@ -67,10 +68,10 @@ static SPACE HS, PS, SS;
 #define	hs		HS.space
 #define	hsl		HS.len
 
-static inline int	 applies(struct s_command *);
+static __inline int	 applies(struct s_command *);
 static void		 flush_appends(void);
 static void		 lputs(char *);
-static inline int	 regexec_e(regex_t *, const char *, int, int, size_t);
+static __inline int	 regexec_e(regex_t *, const char *, int, int, size_t);
 static void		 regsub(SPACE *, char *, char *);
 static int		 substitute(struct s_command *);
 
@@ -95,6 +96,8 @@ process()
 	size_t len, oldpsl = 0;
 	char *p;
 
+	p = NULL;
+
 	for (linenum = 0; mf_fgets(&PS, REPLACE);) {
 		pd = 0;
 top:
@@ -136,7 +139,7 @@ redirect:
 				if (pd)
 					goto new;
 				if (psl == 0 ||
-				    (p = memchr(ps, '\n', psl - 1)) == NULL) {
+				    (p = memchr(ps, '\n', psl)) == NULL) {
 					pd = 1;
 					goto new;
 				} else {
@@ -175,11 +178,8 @@ redirect:
 			case 'N':
 				flush_appends();
 				cspace(&PS, "\n", 1, 0);
-				if (!mf_fgets(&PS, 0)) {
-					if (!nflag && !pd)
-						OUT(ps)
+				if (!mf_fgets(&PS, 0))
 					exit(0);
-				}
 				break;
 			case 'p':
 				if (pd)
@@ -190,7 +190,7 @@ redirect:
 				if (pd)
 					break;
 				if (psl != 0 &&
-				    (p = memchr(ps, '\n', psl - 1)) != NULL) {
+				    (p = memchr(ps, '\n', psl)) != NULL) {
 					oldpsl = psl;
 					psl = p - ps;
 				}
@@ -236,6 +236,8 @@ redirect:
 					err(1, "%s", cp->t);
 				break;
 			case 'x':
+				if (hs == NULL)
+					cspace(&HS, "", 0, REPLACE);
 				tspace = PS;
 				PS = HS;
 				HS = tspace;
@@ -267,13 +269,13 @@ new:		if (!nflag && !pd)
  */
 #define	MATCH(a)						\
 	(a)->type == AT_RE ? regexec_e((a)->u.r, ps, 0, 1, psl) :	\
-	    (a)->type == AT_LINE ? linenum == (a)->u.l : lastline
+	    (a)->type == AT_LINE ? linenum == (a)->u.l : lastline()
 
 /*
  * Return TRUE if the command applies to the current line.  Sets the inrange
  * flag to process ranges.  Interprets the non-select (``!'') flag.
  */
-static inline int
+static __inline int
 applies(cp)
 	struct s_command *cp;
 {
@@ -468,7 +470,8 @@ lputs(s)
 	char *s;
 {
 	int count;
-	char *escapes, *p;
+	const char *escapes;
+	char *p;
 	struct winsize win;
 	static int termwidth = -1;
 
@@ -512,7 +515,7 @@ lputs(s)
 		errx(1, "stdout: %s", strerror(errno ? errno : EIO));
 }
 
-static inline int
+static __inline int
 regexec_e(preg, string, eflags, nomatch, slen)
 	regex_t *preg;
 	const char *string;
@@ -598,7 +601,7 @@ regsub(sp, string, src)
 void
 cspace(sp, p, len, spflag)
 	SPACE *sp;
-	char *p;
+	const char *p;
 	size_t len;
 	enum e_spflag spflag;
 {