$NetBSD: patch-aj,v 1.3 2006/09/17 01:25:18 christos Exp $

--- src/lid.c.orig	2006-07-21 22:43:25.000000000 -0400
+++ src/lid.c	2006-09-16 21:23:15.000000000 -0400
@@ -31,7 +31,6 @@
 #include <dirname.h>
 #include <unistd.h>
 #include <termios.h>
-#include <alloca.h>
 #include <regex.h>
 #include <xalloc.h>
 #include <pathmax.h>
@@ -538,10 +537,11 @@
 void
 report_grep (char const *name, struct file_link **flinkv)
 {
-  char line[1<<020];
+  char *line = xmalloc(BUFSIZ);
+  size_t line_len = BUFSIZ;
   char const *pattern = 0;
   regex_t compiled;
-  char *file_name = alloca (PATH_MAX);
+  char file_name[PATH_MAX];
 
   if (key_style == ks_pattern)
     {
@@ -573,8 +573,17 @@
 	  continue;
 	}
 
-      while (fgets (line + 1, sizeof (line) - 1, source_FILE))
+      while (fgets (line + 1, line_len - 1, source_FILE))
 	{
+	  size_t len;
+	  while ((len = strlen(line)) == line_len - 1 &&
+		 line[line_len - 2] != '\n')
+	    {
+	      line = xrealloc(line, line_len + BUFSIZ);
+	      line_len += BUFSIZ;
+	      if (fgets(line + len, BUFSIZ, source_FILE) == NULL)
+		break;
+	    }
 	  line_number++;
 	  if (pattern)
 	    {
@@ -589,6 +598,7 @@
 	}
       fclose (source_FILE);
     }
+  free(line);
 }
 
 static char **
@@ -800,7 +810,7 @@
 {
   char pattern[BUFSIZ];
   unsigned int count;
-  char *file_name = alloca (PATH_MAX);
+  char file_name[PATH_MAX];
   char *eol;
 
   if (fgets (pattern, sizeof (pattern), stdin) == 0)
@@ -1368,7 +1378,7 @@
 	  continue;
 	}
       /* march down both strings as long as we match */
-      while (*++name == *++line)
+      while (*name != '\0' && *++name == *++line)
 	;
       /* is this the end of `name', is there a word delimiter ?? */
       if (*name == '\0' && !IS_ALNUM (*line))