edit-line.patch

   1 diff --git src/LYStrings.c src/LYStrings.c
   2 index 67c0b2b..c34cf30 100644
   3 --- src/LYStrings.c
   4 +++ src/LYStrings.c
   5 @@ -270,6 +270,40 @@ int fancy_mouse(WINDOW * win, int row,
   6      return cmd;
   7  }
   8
   9 +// ------------------------ >8 ------------------------
  10 +
  11 +#include <assert.h>
  12 +#include <ctype.h>
  13 +#include <sys/stat.h>
  14 +#define        typecalloc(cast)                (cast *)calloc((size_t)1, sizeof(cast))
  15 +
  16 +static char *readEditedFile(char *ed_temp)
  17 +{
  18 +    struct stat stat_info;
  19 +    size_t size;
  20 +    if ((stat(ed_temp, &stat_info) < 0) ||
  21 +        !S_ISREG(stat_info.st_mode) ||
  22 +        ((size = (size_t) stat_info.st_size) == 0)) {
  23 +        return NULL;
  24 +    }
  25 +    char *ebuf = malloc(size + 1);
  26 +    assert(ebuf != NULL);
  27 +    FILE *fp = NULL;
  28 +    if ((fp = fopen(ed_temp, "r")) != 0) {
  29 +        size = fread(ebuf, (size_t) 1, size, fp);
  30 +        LYCloseInput(fp);
  31 +        ebuf[size] = '\0';
  32 +    } else {
  33 +        free(ebuf);
  34 +        return NULL;
  35 +    }
  36 +    return ebuf;
  37 +}
  38 +
  39 +#include <LYEdit.h>
  40 +
  41 +// ------------------------ >8 ------------------------
  42 +
  43  /*
  44   * Manage the collection of edit-histories
  45   */
  46 @@ -3380,8 +3414,24 @@ int LYDoEdit(FieldEditor * edit, int ch,
  47             EditAt++;
  48         break;
  49
  50 -    case LYE_ERASE:            /* erase the line */
  51 -       Buffer[0] = '\0';
  52 +    case LYE_ERASE: {
  53 +        char *tmpPath = malloc(LY_MAXPATH);
  54 +        FILE *fp = LYOpenTemp(tmpPath, "", "w");
  55 +        assert(fp != 0);
  56 +        fputs(Buffer, fp);
  57 +        LYCloseTempFP(fp);
  58 +        edit_temporary_file(tmpPath, "", NULL);
  59 +        char *ebuf = readEditedFile(tmpPath);
  60 +        free(tmpPath);
  61 +        if (ebuf != NULL) {
  62 +            FREE(Buffer);
  63 +            Buffer = ebuf;
  64 +            edit->efBufInUse = strlen(ebuf);
  65 +            edit->efBufAlloc = edit->efBufInUse;
  66 +            edit->efBufLimit = 0;
  67 +        }
  68 +    }
  69 +
  70  #ifdef ENHANCED_LINEEDIT
  71         EditMark = -1;          /* Do not show the mark */
  72  #endif