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	fix bug in undo list allocation - gramscii - A simple editor for ASCII box-and-…
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	---
	commit 62713aaf65264950aecad9237d50e911d7dad893
	parent 08485aacd8d561f2650175b7a16211262396b2ce
	Author: KatolaZ <[email protected]>
	Date: Thu, 1 Aug 2019 12:19:22 +0100

	fix bug in undo list allocation

	Diffstat:
	M TODO \| 2 +-
	M files.c \| 8 ++++++--
	M gramscii.1 \| 4 ++++
	M gramscii.h \| 2 +-
	M screen.c \| 1 +

	5 files changed, 13 insertions(+), 4 deletions(-)
	---
	diff --git a/TODO b/TODO
	@@ -1,9 +1,9 @@
	+ optimize redraws (redraw only the modified rectangle)
	- fix bug with 'g' commands in arrow mode
	+- fir bug in reading commands from files
	- add screen geometry option (-g 25x80?)
	- read file at point
	- read output of command (!)
	-- use [ENTER] to exit from text insert
	- maybe move "text" mode to "t"
	- implement ellipse
	- (?) filled box (B)
	diff --git a/files.c b/files.c
	@@ -50,8 +50,12 @@ void load_file(FILE *fc){
	get_string(fc, "Load file: ", newfname, 255);
	if ((fin=fopen(newfname, "r")) != NULL){
	i = 0;
	- while((fgets(screen.l[i].s, WIDTH+2, fin)) != NULL && i<HEIGHT)
	- screen.l[i++].s[WIDTH-1]='\0';
	+ while((fgets(screen.l[i].s, WIDTH+1, fin)) != NULL && i<HEIGHT…
	+ screen.l[i].lst = strlen(screen.l[i].s) - 1;
	+ screen.l[i].n = i;
	+ screen.l[i].s[strlen(screen.l[i].s)-1]='\0';
	+ i++;
	+ }
	for(;i<HEIGHT; i++){
	erase_line(i);
	}
	diff --git a/gramscii.1 b/gramscii.1
	@@ -557,6 +557,10 @@ would automatically save the screen into "filename".
	gramscii currently manages only a fixed screen of the same size of the
	screen where it starts from. This will be changed in a future release to
	support scrolling and "virtual" screens of any (reasonable) size.
	+.PP
	+There is currently a bug with files read before accepting commands: the
	+result of the commands read from the files is not show immediately, and not
	+shown correctly.
	.SH AUTHORS
	gramscii is written and maintained by Vincenzo "KatolaZ" Nicosia
	<[email protected]>. You can use, copy, modify, and redistribute
	diff --git a/gramscii.h b/gramscii.h
	@@ -82,7 +82,7 @@ typedef struct{
	#define progr_x(d) ((d) == DIR_L ? -1 : (d) == DIR_R ? 1 : 0)
	#define progr_y(d) ((d) == DIR_U ? -1 : (d) == DIR_D ? 1 : 0)

	-/ #define DEBUG 1 /
	+#define DEBUG 1

	/ global variables /

	diff --git a/screen.c b/screen.c
	@@ -409,6 +409,7 @@ void init_screen(){
	cutbuf.l = NULL;
	cutbuf.num = 0;

	+ undo = NULL;
	undo_sz = 0;
	undo_cur = -2;
	undo_lst = -2;