[NEW PORT] editors/ecce: Edinburgh Compatible Context Editor

This is a port of ECCE (the Edinburgh Compatible Context Editor). Now
really quite ancient, it is still a favourite among many graduates of
Edinburgh University.

WWW: http://www.gtoal.com/ecce/

PR:		212597
Submitted by:	bob@eager.cx (maintainer)
Approved by:	amdmi3 (mentor)

5 files changed, 224 insertions, 0 deletions

diff --git a/editors/ecce/Makefile b/editors/ecce/Makefile
new file mode 100644
index 000000000000..3e0ff8cf8f0a
--- /dev/null
+++ b/editors/ecce/Makefile
@@ -0,0 +1,25 @@
+# Created by: Bob Eager <bob@eager.cx>
+# $FreeBSD$
+
+PORTNAME=	ecce
+DISTVERSION=	2.9d
+CATEGORIES=	editors
+MASTER_SITES=	http://www.ml1.org.uk/distfiles/ \
+		http://www.ancientgeek.org.uk/distfiles/
+
+MAINTAINER=	bob@eager.cx
+COMMENT=	Edinburgh Compatible Context Editor
+
+LICENSE=	CC0-1.0
+
+OPTIONS_DEFINE=	DOCS
+
+do-install:
+	${INSTALL_PROGRAM} ${WRKSRC}/ecce ${STAGEDIR}${PREFIX}/bin
+	${INSTALL_MAN} ${WRKSRC}/ecce.1.gz ${STAGEDIR}${MANPREFIX}/man/man1
+
+do-install-DOCS-on:
+	@${MKDIR} ${STAGEDIR}${DOCSDIR}
+	(cd ${WRKSRC}/doc && ${COPYTREE_SHARE} . ${STAGEDIR}${DOCSDIR})
+
+.include <bsd.port.mk>
diff --git a/editors/ecce/distinfo b/editors/ecce/distinfo
new file mode 100644
index 000000000000..9940e8e88ac0
--- /dev/null
+++ b/editors/ecce/distinfo
@@ -0,0 +1,3 @@
+TIMESTAMP = 1473669627
+SHA256 (ecce-2.9d.tar.gz) = 598835fca74b25b4d3051689c2063d55348d3dce179952ec13070a00e4e9451b
+SIZE (ecce-2.9d.tar.gz) = 68887
diff --git a/editors/ecce/files/patch-ecce.c b/editors/ecce/files/patch-ecce.c
new file mode 100644
index 000000000000..1fc74edaa2bf
--- /dev/null
+++ b/editors/ecce/files/patch-ecce.c
@@ -0,0 +1,185 @@
+--- ecce.c.orig	2016-09-11 21:27:36 UTC
++++ ecce.c
+@@ -12,6 +12,9 @@
+ #include <ctype.h>
+ #include <signal.h>
+ #include <errno.h>
++#include <sys/types.h>
++#include <unistd.h>
++#include <sys/stat.h>
+ 
+ #ifdef WANT_UTF8
+ /* EXPERIMENTAL SUPPORT FOR UTF-8 */
+@@ -47,7 +50,7 @@ typedef char ecce_char;
+ 
+ /**************************************************************************/
+ 
+-#define NOTE_FILE "/tmp/Note0"
++#define NOTE_FILE "/tmp/ecceNote0%06d"
+               /* Name of temp file for multiple contexts - system dependant. */
+               /* Something like "/tmp/Note%c" would be a small improvement,  */
+               /* but using a proper function like tmpnam() would be best.    */
+@@ -61,7 +64,7 @@ typedef char ecce_char;
+               /* moving this to sourceforge.                                 */
+ 
+ 
+-#define CONTEXT_OFFSET (strlen(NOTE_FILE)-1)
++#define CONTEXT_OFFSET 13
+               /* Index of variable part in name above (i.e. of '0')         */
+ 
+ static char *ProgName = NULL;
+@@ -400,8 +403,7 @@ static int symtype[256] = {
+ };
+ 
+ static int sym_type(ecce_char c) {
+-  if ((0 <= c) && (c <= 255)) return symtype[(unsigned int)c];
+-  return err;
++  return symtype[(unsigned int)c];
+ }
+ 
+ static cindex a;
+@@ -412,7 +414,7 @@ static FILE *tty_out;
+ static FILE *log_out;
+ 
+ static ecce_int *com;
+-static int  *link;
++static int  *xlink;
+ static ecce_char *text;
+ static long *num;
+ static long *lim;
+@@ -442,7 +444,8 @@ int main(int argc, char **argv) {
+   char *locale = setlocale(LC_ALL, "");
+ #endif
+ 
+-  backup_save = tmpnam(backup_save_buf);
++  sprintf(backup_save_buf, "/tmp/eccesave%06d", getpid());
++  backup_save = backup_save_buf;
+ 
+   ProgName = argv[0];
+   s = strrchr(ProgName, '/');
+@@ -596,7 +599,7 @@ void init_globals (void) {
+    note_file = malloc (Max_parameter+1);
+ 
+    com  = (ecce_int *) malloc ((Max_command_units+1)*sizeof(ecce_int));
+-   link = (int *) malloc ((Max_command_units+1)*sizeof(int));
++   xlink = (int *) malloc ((Max_command_units+1)*sizeof(int));
+    text = (ecce_char *) malloc ((Max_command_units+1) * sizeof(ecce_char));
+ 
+    num = (long *) malloc ((Max_command_units+1)*sizeof(long));
+@@ -605,7 +608,7 @@ void init_globals (void) {
+    com_prompt = malloc (Max_prompt_length+1);
+ 
+    if (a == NULL || note_file == NULL || com == NULL ||
+-    link == NULL || text == NULL || num == NULL || lim == NULL ||
++    xlink == NULL || text == NULL || num == NULL || lim == NULL ||
+     com_prompt == NULL) {
+       fprintf (stderr, "Unable to claim buffer space\n");
+       free_buffers();
+@@ -628,7 +631,7 @@ void init_globals (void) {
+    pending_sym = '\n';
+    blank_line = TRUE;
+ 
+-   (void)strcpy (note_file, NOTE_FILE);
++   sprintf (note_file, NOTE_FILE, getpid());
+    noted = NULL;
+    changes = 0;
+    in_second = FALSE;
+@@ -640,7 +643,7 @@ void free_buffers (void) { /* only neede
+   if (lim) free (lim); lim = NULL;
+   if (num) free (num); num = NULL;
+   if (text) free (text); text = NULL;
+-  if (link) free (link); link = NULL;
++  if (xlink) free (xlink); xlink = NULL;
+   if (com) free (com); com = NULL;
+   if (com_prompt) free (com_prompt); com_prompt = NULL;
+   if (note_file) free (note_file); note_file = NULL;
+@@ -820,7 +823,9 @@ void percent (ecce_int Command_sym) {
+            the edit and writing out the file.  This is a quick hack: I
+            should change this and the copy in percent('S') so that both
+            share the same subroutine ensure_main_edit() *****************/
++            int oldmask = umask (0077);
+             FILE *sec_out = fopen (note_file, "wb");
++            umask(oldmask);
+             (void)strcpy (com_prompt, ">");
+             if (sec_out == NULL) {
+                (void) fail_with ("Cannot save context", ' ');
+@@ -851,8 +856,10 @@ void percent (ecce_int Command_sym) {
+  */
+          }  /* End of copied bit */
+          if (Command_sym == 'c') {
++            int oldmask = umask(0077);
+             parameter[inoutlog] = backup_save;
+             main_out = fopen (parameter[inoutlog], "wb");
++            umask(oldmask);
+             if (main_out == NULL) {
+                fprintf(stderr,
+                        "Sorry - I can't save your edit (even %s failed)\n", backup_save);
+@@ -865,10 +872,12 @@ void percent (ecce_int Command_sym) {
+             else
+                main_out = fopen (parameter[inoutlog], "wb");
+             if (main_out == NULL) {
++               int oldmask = umask(0077);
+                fprintf (stderr,
+                         "Can't create \"%s\" - attempting to save to %s instead\n",
+                         parameter[inoutlog], backup_save);
+                main_out = fopen (backup_save, "w");
++               umask(oldmask);
+                if (main_out == NULL) {
+                  fprintf(stderr, "Cannot save file at all.  Giving up.  Sorry!\n");
+                  exit(1);
+@@ -947,7 +956,9 @@ void percent (ecce_int Command_sym) {
+          pending_sym = '\n';
+          note_file[CONTEXT_OFFSET] = note_sec;
+          if (in_second) {
++            int oldmask = umask(0077);
+             FILE *sec_out = fopen (note_file, "wb");
++            umask(oldmask);
+             (void)strcpy (com_prompt, ">");
+             if (sec_out == NULL) {
+                (void) fail_with ("Cannot save context", ' ');
+@@ -1028,14 +1039,14 @@ void unchain(void) {
+    do {
+       pointer = last_unit;
+       if (pointer < 0) return;
+-      last_unit = link[pointer];
+-      link[pointer] = this_unit;
++      last_unit = xlink[pointer];
++      xlink[pointer] = this_unit;
+    } while (com[pointer] != '(');
+ }
+ 
+ void stack(void) {
+    com[this_unit]  = command;
+-   link[this_unit] = pointer;
++   xlink[this_unit] = pointer;
+    num[this_unit]  = repeat_count;
+    lim[this_unit]  = limit;
+    this_unit++;
+@@ -1369,7 +1380,9 @@ void execute_command(void) {
+          }
+          note_file[CONTEXT_OFFSET] = lim[this_unit]+'0';
+          {
++            int oldmask = umask(0077);
+             FILE *note_out = fopen (note_file, "wb");
++            umask(oldmask);
+             cindex p = noted;
+ 
+             if (note_out == NULL) {
+@@ -1628,7 +1641,7 @@ bool execute_unit (void) {
+ 
+    command = com[this_unit];
+    culprit = command;
+-   pointer = link[this_unit];
++   pointer = xlink[this_unit];
+ 
+    repeat_count = num[this_unit];
+    for (;;) {  /* On repeats of this_unit */
+@@ -1669,7 +1682,7 @@ bool execute_unit (void) {
+             switch (command) {
+ 
+                case '(':
+-                  this_unit = link[this_unit];
++                  this_unit = xlink[this_unit];
+                   break; /* Skip over (...) as if it were single command. */
+ 
+                case ',':
diff --git a/editors/ecce/pkg-descr b/editors/ecce/pkg-descr
new file mode 100644
index 000000000000..475eb80f0516
--- /dev/null
+++ b/editors/ecce/pkg-descr
@@ -0,0 +1,5 @@
+This is a port of ECCE (the Edinburgh Compatible Context Editor). Now
+really quite ancient, it is still a favourite among many graduates of
+Edinburgh University.
+
+WWW: http://www.gtoal.com/ecce/
diff --git a/editors/ecce/pkg-plist b/editors/ecce/pkg-plist
new file mode 100644
index 000000000000..9c528c03bbcc
--- /dev/null
+++ b/editors/ecce/pkg-plist
@@ -0,0 +1,6 @@
+bin/ecce
+man/man1/ecce.1.gz
+%%PORTDOCS%%%%DOCSDIR%%/ecce2.txt
+%%PORTDOCS%%%%DOCSDIR%%/hmdecce.html
+%%PORTDOCS%%%%DOCSDIR%%/ldsecce.html
+%%PORTDOCS%%%%DOCSDIR%%/review.txt