diff options
Diffstat (limited to 'contrib/bind/bin/nslookup/commands.l')
| -rw-r--r-- | contrib/bind/bin/nslookup/commands.l | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/contrib/bind/bin/nslookup/commands.l b/contrib/bind/bin/nslookup/commands.l index c3a220a..7c81bcb 100644 --- a/contrib/bind/bin/nslookup/commands.l +++ b/contrib/bind/bin/nslookup/commands.l @@ -95,12 +95,65 @@ static char sccsid[] = "@(#)commands.l 5.13 (Berkeley) 7/24/90"; #include "port_before.h" #include <sys/types.h> +#include <histedit.h> #include "port_after.h" #include "res.h" extern char rootServerName[]; extern void PrintHelp(); +#define YY_INPUT(buf, result, max_size) \ + { \ + nslookup_yy_input((char *)buf, &result, \ + max_size, yy_current_buffer->yy_is_interactive); \ + } + +const char * +nslookup_prompt() +{ + return ("> "); +} + +int +nslookup_yy_input(buf, result, max_size, intr) + char * buf; + int * result; + int max_size; + int intr; +{ + static EditLine *el = NULL; + static History *hist = NULL; + int num = 0; + const char *bp = NULL; + + if (intr) { + if (!el) { + el = el_init("nslookup", yyin, yyout); + hist = history_init(); + history(hist, H_EVENT, 100); + el_set(el, EL_HIST, history, hist); + el_set(el, EL_EDITOR, "emacs"); + el_set(el, EL_PROMPT, nslookup_prompt); + el_set(el, EL_SIGNAL, 1); + } + + if ((bp = el_gets(el, &num)) == NULL || num == 0) { + *result = 0; + return; + } + + *result = (num > max_size) ? max_size : num; + strncpy(buf, bp, *result); + history(hist, H_ENTER, bp); + } else { + if ( ((*result = fread( buf, 1, max_size, yyin )) == 0) + && ferror( yyin ) ) + yy_fatal_error( "input in flex scanner failed" ); + } + + return; +} + %} WS [ \t] FLET [A-Za-z0-9.*\\] |
