remove_zero_sized_files.patch

   1 Subject: remove zero sized files on close
   2
   3 If a window will be closed, check the file size and never/prompt/always
   4 remove the file if the size is 0.
   5
   6 ---
   7
   8  doc/help.etx         |    3 +++
   9  source/file.c        |   30 ++++++++++++++++++++++++++++++
  10  source/menu.c        |   48 ++++++++++++++++++++++++++++++++++++++++++++++++
  11  source/nedit.h       |    5 +++++
  12  source/preferences.c |   20 ++++++++++++++++++++
  13  source/preferences.h |    2 ++
  14  6 files changed, 108 insertions(+)
  15
  16 diff --quilt old/source/file.c new/source/file.c
  17 --- old/source/file.c
  18 +++ new/source/file.c
  19 @@ -898,6 +898,33 @@ int CloseAllFilesAndWindows(void)
  20      return TRUE;
  21  }
  22
  23 +static void removeZeroSizedFile(WindowInfo *window)
  24 +{
  25 +    int response;
  26 +    struct stat statbuf;
  27 +    char fullname[MAXPATHLEN + 1];
  28 +
  29 +    /* Get the full name of the file */
  30 +    strcpy(fullname, window->path);
  31 +    strcat(fullname, window->filename);
  32 +
  33 +    if (GetPrefZeroSizedMode() == ZEROSIZED_NEVER)
  34 +        return;
  35 +
  36 +    if (stat(fullname, &statbuf) == 0
  37 +        && statbuf.st_size == 0
  38 +        && !S_ISFIFO(statbuf.st_mode)) {
  39 +        if (GetPrefZeroSizedMode() == ZEROSIZED_PROMPT) {
  40 +            response = DialogF(DF_QUES, window->shell, 2, "Zero Sized File",
  41 +                "%s has a file size of 0.\nDo you want to remove this file?",
  42 +                "Yes", "No", fullname);
  43 +            if (response == 2)
  44 +                return;
  45 +        }
  46 +        remove(fullname);
  47 +    }
  48 +}
  49 +
  50  int CloseFileAndWindow(WindowInfo *window, int preResponse)
  51  {
  52      int response, stat;
  53 @@ -921,6 +948,7 @@ int CloseFileAndWindow(WindowInfo *windo
  54              /* File deleted/modified externally, ignored by user. */
  55              !GetPrefWarnFileMods())))
  56      {
  57 +        removeZeroSizedFile(window);
  58          RemoveBackupFile(window);
  59          CloseWindow(window);
  60          /* up-to-date windows don't have outstanding backup files to close */
  61 @@ -941,6 +969,7 @@ int CloseFileAndWindow(WindowInfo *windo
  62              stat = SaveWindow(window);
  63              if (stat)
  64              {
  65 +                removeZeroSizedFile(window);
  66                  CloseWindow(window);
  67              } else
  68              {
  69 @@ -948,6 +977,7 @@ int CloseFileAndWindow(WindowInfo *windo
  70              }
  71          } else if (response == NO_SBC_DIALOG_RESPONSE)
  72          {
  73 +            removeZeroSizedFile(window);
  74              /* Don't Save */
  75              RemoveBackupFile(window);
  76              CloseWindow(window);
  77 diff --quilt old/source/menu.c new/source/menu.c
  78 --- old/source/menu.c
  79 +++ new/source/menu.c
  80 @@ -144,6 +144,9 @@ static void preserveDefCB(Widget w, Wind
  81  static void ignoreHardlinkDefCB(Widget w, WindowInfo *window, caddr_t callData);
  82  static void promptHardlinkDefCB(Widget w, WindowInfo *window, caddr_t callData);
  83  static void unlinkHardlinkDefCB(Widget w, WindowInfo *window, caddr_t callData);
  84 +static void neverZeroSizedDefCB(Widget w, WindowInfo *window, caddr_t callData);
  85 +static void promptZeroSizedDefCB(Widget w, WindowInfo *window, caddr_t callData);
  86 +static void alwaysZeroSizedDefCB(Widget w, WindowInfo *window, caddr_t callData);
  87  static void noWrapDefCB(Widget w, WindowInfo *window, caddr_t callData);
  88  static void newlineWrapDefCB(Widget w, WindowInfo *window, caddr_t callData);
  89  static void contWrapDefCB(Widget w, WindowInfo *window, caddr_t callData);
  90 @@ -1034,6 +1037,19 @@ Widget CreateMenuBar(Widget parent, Wind
  91             subSubPane, "unlink", "Unlink", 'U', unlinkHardlinkDefCB, window,
  92             GetPrefHardlinkMode() == HARDLINK_UNLINK, SHORT);
  93
  94 +    /* zero sized mode default sub menu */
  95 +    subSubPane = createMenu(subPane, "zeroSizedMode", "Remove Zero Sized Files", 'Z',
  96 +           NULL, FULL);
  97 +    window->zeroSizedDefItem[ZEROSIZED_NEVER]  = createMenuRadioToggle(
  98 +           subSubPane, "never", "Never", 'N', neverZeroSizedDefCB, window,
  99 +           GetPrefZeroSizedMode() == ZEROSIZED_NEVER, SHORT);
 100 +    window->zeroSizedDefItem[ZEROSIZED_PROMPT] = createMenuRadioToggle(
 101 +           subSubPane, "prompt", "Prompt", 'P', promptZeroSizedDefCB, window,
 102 +           GetPrefZeroSizedMode() == ZEROSIZED_PROMPT, SHORT);
 103 +    window->zeroSizedDefItem[ZEROSIZED_ALWAYS] = createMenuRadioToggle(
 104 +           subSubPane, "always", "Always", 'A', alwaysZeroSizedDefCB, window,
 105 +           GetPrefZeroSizedMode() == ZEROSIZED_ALWAYS, SHORT);
 106 +
 107      /* Show Matching sub menu */
 108      subSubPane = createMenu(subPane, "showMatching", "Show Matching (..)", 'M',
 109             NULL, FULL);
 110 @@ -1911,6 +1927,38 @@ static void unlinkHardlinkDefCB(Widget w
 111      setHardlinkModeMenu(HARDLINK_UNLINK);
 112  }
 113
 114 +static void setZeroSizedModeMenu(enum zeroSizedMode mode)
 115 +{
 116 +    WindowInfo *win;
 117 +    int i;
 118 +
 119 +    if (mode >= N_ZEROSIZED_MODES)
 120 +        return;
 121 +
 122 +    /* Set the preference and make the other windows' menus agree */
 123 +    SetPrefZeroSizedMode(mode);
 124 +    for (win = WindowList; win != NULL; win = win->next) {
 125 +        for (i = 0; i < N_ZEROSIZED_MODES; i++)
 126 +            XmToggleButtonSetState(win->zeroSizedDefItem[i],
 127 +                mode == i ? True : False, False);
 128 +    }
 129 +}
 130 +
 131 +static void neverZeroSizedDefCB(Widget w, WindowInfo *window, caddr_t callData)
 132 +{
 133 +    setZeroSizedModeMenu(ZEROSIZED_NEVER);
 134 +}
 135 +
 136 +static void promptZeroSizedDefCB(Widget w, WindowInfo *window, caddr_t callData)
 137 +{
 138 +    setZeroSizedModeMenu(ZEROSIZED_PROMPT);
 139 +}
 140 +
 141 +static void alwaysZeroSizedDefCB(Widget w, WindowInfo *window, caddr_t callData)
 142 +{
 143 +    setZeroSizedModeMenu(ZEROSIZED_ALWAYS);
 144 +}
 145 +
 146  static void fontDefCB(Widget w, WindowInfo *window, caddr_t callData)
 147  {
 148      HidePointerOnKeyedEvent(WidgetToWindow(MENU_WIDGET(w))->lastFocus,
 149 diff --quilt old/source/nedit.h new/source/nedit.h
 150 --- old/source/nedit.h
 151 +++ new/source/nedit.h
 152 @@ -117,6 +117,10 @@ enum truncSubstitution {TRUNCSUBST_SILEN
 153  enum hardlinkMode {HARDLINK_IGNORE, HARDLINK_PROMPT, HARDLINK_UNLINK,
 154                     N_HARDLINK_MODES};
 155
 156 +/* This enum must be kept in sync with ZeroSizedModes[] in in preferences.c */
 157 +enum zeroSizedMode {ZEROSIZED_NEVER, ZEROSIZED_PROMPT, ZEROSIZED_ALWAYS,
 158 +                    N_ZEROSIZED_MODES};
 159 +
 160  #define NO_FLASH_STRING                "off"
 161  #define FLASH_DELIMIT_STRING   "delimiter"
 162  #define FLASH_RANGE_STRING     "range"
 163 @@ -576,6 +580,7 @@ typedef struct _WindowInfo {
 164      int         inMacroHook;            /* to protect GC in MacroApplyHook() */
 165      Widget      hardlinkDefItem[N_HARDLINK_MODES];
 166      Boolean     hardlinkDontPromptAgain;
 167 +    Widget      zeroSizedDefItem[N_ZEROSIZED_MODES];
 168  } WindowInfo;
 169
 170  extern WindowInfo *WindowList;
 171 diff --quilt old/source/preferences.c new/source/preferences.c
 172 --- old/source/preferences.c
 173 +++ new/source/preferences.c
 174 @@ -176,6 +176,13 @@ static char *HardlinkModes[] = {
 175      NULL
 176  };
 177
 178 +static char *ZeroSizedModes[] = {
 179 +    "Never",
 180 +    "Prompt",
 181 +    "Always",
 182 +    NULL
 183 +};
 184 +
 185  /* list of available language modes and language specific preferences */
 186  static int NLanguageModes = 0;
 187  typedef struct {
 188 @@ -347,6 +354,7 @@ static struct prefData {
 189      Boolean forceOSConversion;
 190      Boolean showScrolltip;
 191      int  hardlinkMode;
 192 +    int  zeroSizedMode;
 193  } PrefData;
 194
 195  /* Temporary storage for preferences strings which are discarded after being
 196 @@ -1179,6 +1187,8 @@ static PrefDescripRec PrefDescrip[] = {
 197  //        &PrefData.showScrolltip, NULL, False},
 198      {"hardlinkMode", "HardlinkMode", PREF_ENUM, "Ignore",
 199              &PrefData.hardlinkMode, HardlinkModes, True},
 200 +    {"zeroSizedMode", "ZeroSizedMode", PREF_ENUM, "Never",
 201 +            &PrefData.zeroSizedMode, ZeroSizedModes, True},
 202  };
 203
 204  static XrmOptionDescRec OpTable[] = {
 205 @@ -2334,6 +2344,16 @@ int GetPrefHardlinkMode(void)
 206      return PrefData.hardlinkMode;
 207  }
 208
 209 +void SetPrefZeroSizedMode(int mode)
 210 +{
 211 +    setIntPref(&PrefData.zeroSizedMode, mode);
 212 +}
 213 +
 214 +int GetPrefZeroSizedMode(void)
 215 +{
 216 +    return PrefData.zeroSizedMode;
 217 +}
 218 +
 219  /*
 220  ** If preferences don't get saved, ask the user on exit whether to save
 221  */
 222 diff --quilt old/source/preferences.h new/source/preferences.h
 223 --- old/source/preferences.h
 224 +++ new/source/preferences.h
 225 @@ -218,5 +218,7 @@ void SetPrefFocusOnRaise(Boolean);
 226  Boolean GetPrefShowScrolltip(void);
 227  void SetPrefHardlinkMode(int mode);
 228  int GetPrefHardlinkMode(void);
 229 +void SetPrefZeroSizedMode(int mode);
 230 +int GetPrefZeroSizedMode(void);
 231
 232  #endif /* NEDIT_PREFERENCES_H_INCLUDED */
 233 diff --quilt old/doc/help.etx new/doc/help.etx
 234 --- old/doc/help.etx
 235 +++ new/doc/help.etx
 236 @@ -4151,6 +4151,9 @@ Preferences
 237    ~Unlink~
 238    Always make a destine copy of the file.
 239
 240 +**Remove Zero Sized Files**
 241 +  NEdit can delete files after close, that have a size of 0.
 242 +
 243  **Show Cursorline**
 244    Background the current line with a colored bar. Use the color dialog to
 245    change the background color.