reg.c

   1 #include <ctype.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include "vi.h"
   5
   6 static char *bufs[256];
   7 static int lnmode[256];
   8
   9 char *reg_get(int c, int *ln)
  10 {
  11         *ln = lnmode[c];
  12         return bufs[c];
  13 }
  14
  15 void reg_put(int c, char *s, int ln)
  16 {
  17         char *pre = isupper(c) ? bufs[tolower(c)] : "";
  18         char *buf = malloc(strlen(pre) + strlen(s) + 1);
  19         strcpy(buf, pre);
  20         strcat(buf, s);
  21         free(bufs[tolower(c)]);
  22         bufs[tolower(c)] = buf;
  23         lnmode[tolower(c)] = ln;
  24 }
  25
  26 void reg_done(void)
  27 {
  28         int i;
  29         for (i = 0; i < LEN(bufs); i++)
  30                 free(bufs[i]);
  31 }