per DB's patch, convert placewewant to a size_t; also add a few

miscellaneous fixes of mine


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1870 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -3,8 +3,9 @@ CVS code -
 	- More minor comment cleanups. (DLR)
 	- Convert more ints used as boolean values to use TRUE and
 	  FALSE. (David Benbennick and DLR)
-	- Change more instances of ints that can never be negative to
-	  size_t's. (DLR)
+	- Change more instances of ints that have large enough upper
+	  bounds and which can never be negative to size_t's, and
+	  convert nano to handle them properly. (DLR)
 	- Convert the shortcut list functions and most related functions
 	  to return void instead of int, as the return values of all
 	  those functions are essentially unused.  Changes to
@@ -48,6 +49,9 @@ CVS code -
 	- Move the main terminal initialization functions, aside from 
 	  initscr(), into a new terminal_init() function, and convert 
 	  nano to use it. (DLR)
+	- Convert placewewant to a size_t, and convert some functions
+	  that use it as a parameter to use size_t as well. (David
+	  Benbennick and DLR)
 - files.c:
   close_open_file()
 	- Tweak to no longer rely on the return values of
@@ -127,6 +131,9 @@ CVS code -
 	  Benbennick)  DLR: Renamed from parse_int() to parse_num() and
 	  converted to use ssize_t instead of int.
 - winio.c:
+  get_kbinput()
+	- Since the only valid values for escapes are 0, 1, and 2, 
+	  convert it to an int. (DLR)
   get_control_kbinput()
 	- Fix erroneous debugging statement so that nano compiles with
 	  --enable-debug again. (Jon Oberheide)
@@ -136,6 +143,9 @@ CVS code -
 	  before then too. (David Benbennick)
 	- Don't delete the statusbar line on UnCut, since the current
 	  version of Pico doesn't. (DLR)
+  do_cursorpos()
+	- Add assert to check whether totsize is correct. (David
+	  Benbennick)
   line_len()
 	- Rename to help_line_len() so as not to conflict with the
 	  line_len variable used elsewhere, and move inside the

src/global.c

@@ -91,7 +91,7 @@ int resetstatuspos;		/* Hack for resetting the status bar
 char *answer = NULL;		/* Answer str to many questions */
 int totlines = 0;		/* Total number of lines in the file */
 long totsize = 0;		/* Total number of bytes in the file */
-int placewewant = 0;		/* The column we'd like the cursor
+size_t placewewant = 0;		/* The column we'd like the cursor
 				   to jump to when we go to the
 				   next or previous line */
 

src/move.c

@@ -30,7 +30,7 @@
 
 void do_first_line(void)
 {
-    int old_pww = placewewant;
+    size_t old_pww = placewewant;
     current = fileage;
     placewewant = 0;
     current_x = 0;
@@ -40,7 +40,7 @@ void do_first_line(void)
 
 void do_last_line(void)
 {
-    int old_pww = placewewant;
+    size_t old_pww = placewewant;
     current = filebot;
     placewewant = 0;
     current_x = 0;
@@ -51,7 +51,7 @@ void do_last_line(void)
 
 void do_home(void)
 {
-    int old_pww = placewewant;
+    size_t old_pww = placewewant;
 #ifndef NANO_SMALL
     if (ISSET(SMART_HOME)) {
 	int old_current_x = current_x;
@@ -78,7 +78,7 @@ void do_home(void)
 
 void do_end(void)
 {
-    int old_pww = placewewant;
+    size_t old_pww = placewewant;
     current_x = strlen(current->data);
     placewewant = xplustabs();
     check_statblank();
@@ -88,7 +88,7 @@ void do_end(void)
 
 void do_page_up(void)
 {
-    int old_pww = placewewant;
+    size_t old_pww = placewewant;
     const filestruct *old_current = current;
 #ifndef DISABLE_WRAPPING
     wrap_reset();
@@ -134,7 +134,7 @@ void do_page_up(void)
 
 void do_page_down(void)
 {
-    int old_pww = placewewant;
+    size_t old_pww = placewewant;
     const filestruct *old_current = current;
 #ifndef DISABLE_WRAPPING
     wrap_reset();
@@ -247,7 +247,7 @@ void do_down(void)
 
 void do_left(int allow_update)
 {
-    int old_pww = placewewant;
+    size_t old_pww = placewewant;
     if (current_x > 0)
 	current_x--;
     else if (current != fileage) {
@@ -267,7 +267,7 @@ void do_left_void(void)
 
 void do_right(int allow_update)
 {
-    int old_pww = placewewant;
+    size_t old_pww = placewewant;
     assert(current_x <= strlen(current->data));
 
     if (current->data[current_x] != '\0')

src/nano.c

@@ -1158,7 +1158,7 @@ void do_enter(void)
 #ifndef NANO_SMALL
 void do_next_word(void)
 {
-    int old_pww = placewewant;
+    size_t old_pww = placewewant;
     const filestruct *current_save = current;
     assert(current != NULL && current->data != NULL);
 
@@ -1190,7 +1190,7 @@ void do_next_word(void)
 /* The same thing for backwards. */
 void do_prev_word(void)
 {
-    int old_pww = placewewant;
+    size_t old_pww = placewewant;
     const filestruct *current_save = current;
     assert(current != NULL && current->data != NULL);
 

src/nano.h

@@ -166,7 +166,7 @@ typedef struct openfilestruct {
     long file_flags;		/* Current file's flags: modification
 				 * status (and marking status, if
 				 * available). */
-    int file_placewewant;	/* Current file's place we want. */
+    size_t file_placewewant;	/* Current file's place we want. */
     int file_totlines;		/* Current file's total number of
 				 * lines. */
     long file_totsize;		/* Current file's total size. */

src/proto.h

@@ -33,7 +33,7 @@ extern ssize_t wrap_at;
 #endif
 extern int editwinrows;
 extern int current_x, current_y, totlines;
-extern int placewewant;
+extern size_t placewewant;
 #ifndef NANO_SMALL
 extern int mark_beginx;
 #endif
@@ -406,7 +406,7 @@ void do_replace(void);
 void do_gotoline(ssize_t line, int save_pos);
 void do_gotoline_void(void);
 #if defined (ENABLE_MULTIBUFFER) || !defined (DISABLE_SPELLER)
-void do_gotopos(int line, int pos_x, int pos_y, int pos_placewewant);
+void do_gotopos(int line, int pos_x, int pos_y, size_t pos_pww);
 #endif
 void do_find_bracket(void);
 #ifndef NANO_SMALL
@@ -539,10 +539,10 @@ void reset_cursor(void);
 void edit_add(const filestruct *fileptr, const char *converted, int
 	yval, size_t start);
 void update_line(const filestruct *fileptr, size_t index);
-int need_horizontal_update(int old_placewewant);
-int need_vertical_update(int old_placewewant);
+int need_horizontal_update(size_t old_pww);
+int need_vertical_update(size_t old_pww);
 void edit_scroll(updown direction, int nlines);
-void edit_redraw(const filestruct *old_current, int old_pww);
+void edit_redraw(const filestruct *old_current, size_t old_pww);
 void edit_refresh(void);
 void edit_update(filestruct *fileptr, topmidnone location);
 int statusq(int allowtabs, const shortcut *s, const char *def,

src/search.c

@@ -359,8 +359,8 @@ int findnextstr(int can_display_wrap, int wholeword, const filestruct
 /* Search for a string. */
 void do_search(void)
 {
-    size_t old_pww = placewewant, i, fileptr_x = current_x;
-    int didfind;
+    size_t old_pww = placewewant, fileptr_x = current_x;
+    int i, didfind;
     filestruct *fileptr = current;
 
 #ifndef DISABLE_WRAPPING
@@ -588,8 +588,8 @@ char *replace_line(const char *needle)
 int do_replace_loop(const char *needle, const filestruct *real_current,
 	size_t *real_current_x, int wholewords)
 {
-    int old_pww = placewewant, replaceall = FALSE, numreplaced = -1;
-    size_t current_x_save = current_x;
+    int replaceall = FALSE, numreplaced = -1;
+    size_t old_pww = placewewant, current_x_save = current_x;
     const filestruct *current_save = current;
 #ifdef HAVE_REGEX_H
     /* The starting-line match and bol/eol regex flags. */
@@ -880,7 +880,7 @@ void do_gotoline_void(void)
 }
 
 #if defined(ENABLE_MULTIBUFFER) || !defined(DISABLE_SPELLER)
-void do_gotopos(int line, int pos_x, int pos_y, int pos_placewewant)
+void do_gotopos(int line, int pos_x, int pos_y, size_t pos_pww)
 {
     /* since do_gotoline() resets the x-coordinate but not the
        y-coordinate, set the coordinates up this way */
@@ -893,7 +893,7 @@ void do_gotopos(int line, int pos_x, int pos_y, int pos_placewewant)
 
     /* set the rest of the coordinates up */
     current_x = pos_x;
-    placewewant = pos_placewewant;
+    placewewant = pos_pww;
     update_line(current, pos_x);
 }
 #endif
@@ -904,7 +904,8 @@ void do_find_bracket(void)
     char ch_under_cursor, wanted_ch;
     const char *pos, *brackets = "([{<>}])";
     char regexp_pat[] = "[  ]";
-    int old_pww = placewewant, current_x_save, count = 1;
+    size_t old_pww, current_x_save;
+    int count = 1;
     long flags_save;
     filestruct *current_save;
 
@@ -919,6 +920,7 @@ void do_find_bracket(void)
     assert(strlen(brackets) % 2 == 0);
     wanted_ch = brackets[(strlen(brackets) - 1) - (pos - brackets)];
 
+    old_pww = placewewant;
     current_x_save = current_x;
     current_save = current;
     flags_save = flags;

src/winio.c

@@ -193,7 +193,8 @@ int get_translated_kbinput(int kbinput, int *es
 #endif
 	)
 {
-    static size_t escapes = 0, ascii_digits = 0;
+    static int escapes = 0;
+    static size_t ascii_digits = 0;
     int retval = ERR;
 
 #ifndef NANO_SMALL
@@ -415,7 +416,7 @@ int get_translated_kbinput(int kbinput, int *es
     }
  
 #ifdef DEBUG
-    fprintf(stderr, "get_translated_kbinput(): kbinput = %d, es = %d, escapes = %d, ascii_digits = %d, retval = %d\n", kbinput, *es, escapes, ascii_digits, retval);
+    fprintf(stderr, "get_translated_kbinput(): kbinput = %d, es = %d, escapes = %d, ascii_digits = %lu, retval = %d\n", kbinput, *es, escapes, (unsigned long)ascii_digits, retval);
 #endif
 
     /* Return the result. */
@@ -511,7 +512,7 @@ int get_ascii_kbinput(int kbinput, size_t ascii_digits
     }
 
 #ifdef DEBUG
-    fprintf(stderr, "get_ascii_kbinput(): kbinput = %d, ascii_digits = %d, ascii_kbinput = %d, retval = %d\n", kbinput, ascii_digits, ascii_kbinput, retval);
+    fprintf(stderr, "get_ascii_kbinput(): kbinput = %d, ascii_digits = %lu, ascii_kbinput = %d, retval = %d\n", kbinput, (unsigned long)ascii_digits, ascii_kbinput, retval);
 #endif
 
     /* If the result is an ASCII character, reset the ASCII character
@@ -1096,7 +1097,7 @@ int *get_verbatim_kbinput(WINDOW *win, int *v_kbinput, size_t *v_len,
     (*v_len)++;
     v_kbinput[0] = kbinput;
 #ifdef DEBUG
-    fprintf(stderr, "get_verbatim_kbinput(): kbinput = %d, v_len = %d\n", kbinput, *v_len);
+    fprintf(stderr, "get_verbatim_kbinput(): kbinput = %d, v_len = %lu\n", kbinput, (unsigned long)*v_len);
 #endif
 
     /* Read any following characters using non-blocking input, until
@@ -1111,7 +1112,7 @@ int *get_verbatim_kbinput(WINDOW *win, int *v_kbinput, size_t *v_len,
 	v_kbinput = (int *)nrealloc(v_kbinput, *v_len * sizeof(int));
 	v_kbinput[*v_len - 1] = kbinput;
 #ifdef DEBUG
-	fprintf(stderr, "get_verbatim_kbinput(): kbinput = %d, v_len = %d\n", kbinput, *v_len);
+	fprintf(stderr, "get_verbatim_kbinput(): kbinput = %d, v_len = %lu\n", kbinput, (unsigned long)*v_len);
 #endif
     }
     nodelay(win, FALSE);
@@ -1230,7 +1231,7 @@ int get_untranslated_kbinput(int kbinput, size_t position, int
      retval = kbinput;
 
 #ifdef DEBUG
-    fprintf(stderr, "get_untranslated_kbinput(): kbinput = %d, position = %d, ascii_digits = %d\n", kbinput, position, ascii_digits);
+    fprintf(stderr, "get_untranslated_kbinput(): kbinput = %d, position = %lu, ascii_digits = %lu\n", kbinput, (unsigned long)position, (unsigned long)ascii_digits);
 #endif
 
     return retval;
@@ -1392,7 +1393,7 @@ void blank_titlebar(void)
 
 void blank_edit(void)
 {
-    size_t i;
+    int i;
     for (i = 0; i < editwinrows; i++)
 	mvwaddstr(edit, i, 0, hblank);
 }
@@ -2543,7 +2544,7 @@ void update_line(const filestruct *fileptr, size_t index)
 /* Return a nonzero value if we need an update after moving
  * horizontally.  We need one if the mark is on or if old_pww and
  * placewewant are on different pages. */
-int need_horizontal_update(int old_pww)
+int need_horizontal_update(size_t old_pww)
 {
     return
 #ifndef NANO_SMALL
@@ -2555,7 +2556,7 @@ int need_horizontal_update(int old_pww)
 /* Return a nonzero value if we need an update after moving vertically.
  * We need one if the mark is on or if old_pww and placewewant
  * are on different pages. */
-int need_vertical_update(int old_pww)
+int need_vertical_update(size_t old_pww)
 {
     return
 #ifndef NANO_SMALL
@@ -2630,7 +2631,7 @@ void edit_scroll(updown direction, int nlines)
 
 /* Update any lines between old_current and current that need to be
  * updated. */
-void edit_redraw(const filestruct *old_current, int old_pww)
+void edit_redraw(const filestruct *old_current, size_t old_pww)
 {
     int do_refresh = need_vertical_update(0) ||
 	need_vertical_update(old_pww);
@@ -2689,7 +2690,7 @@ void edit_refresh(void)
 	const filestruct *foo = edittop;
 
 #ifdef DEBUG
-	fprintf(stderr, "edit_refresh(): edittop->lineno = %ld\n", edittop->lineno);
+	fprintf(stderr, "edit_refresh(): edittop->lineno = %d\n", edittop->lineno);
 #endif
 
 	while (nlines < editwinrows) {
@@ -2964,6 +2965,10 @@ void do_cursorpos(int constant)
     }
     i += current_x;
 
+    /* Check whether totsize is correct.  Else there is a bug
+     * somewhere. */
+    assert(current != filebot || i == totsize);
+
     if (constant && ISSET(DISABLE_CURPOS)) {
 	UNSET(DISABLE_CURPOS);
 	old_i = i;
@@ -2975,8 +2980,8 @@ void do_cursorpos(int constant)
      * unconditionally; otherwise, only display the position when the
      * character values have changed. */
     if (!constant || old_i != i || old_totsize != totsize) {
-	unsigned long xpt = xplustabs() + 1;
-	unsigned long cur_len = strlenpt(current->data) + 1;
+	size_t xpt = xplustabs() + 1;
+	size_t cur_len = strlenpt(current->data) + 1;
 	int linepct = 100 * current->lineno / totlines;
 	int colpct = 100 * xpt / cur_len;
 	int bytepct = totsize == 0 ? 0 : 100 * i / totsize;
@@ -2984,7 +2989,7 @@ void do_cursorpos(int constant)
 	statusbar(
 	    _("line %ld/%ld (%d%%), col %lu/%lu (%d%%), char %lu/%ld (%d%%)"),
 		    current->lineno, totlines, linepct,
-		    xpt, cur_len, colpct,
+		    (unsigned long)xpt, (unsigned long)cur_len, colpct,
 		    i, totsize, bytepct);
 	UNSET(DISABLE_CURPOS);
     }
@@ -3158,7 +3163,7 @@ void do_help(void)
  * expect word to have tabs and control characters expanded. */
 void do_replace_highlight(int highlight_flag, const char *word)
 {
-    int y = xplustabs();
+    size_t y = xplustabs();
     size_t word_len = strlen(word);
 
     y = get_page_start(y) + COLS - y;