[PATCH] input: Call input_init on first use

[Herbert Xu <herbert@gondor.apana.org.au>]

When the shell is used to execute another utility, it makes no
sense to initialise stdin, which costs up to two system calls.

Since the input layer can already handle first-use initialisation
because of reset_init, simply make this always the case.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/src/input.c b/src/input.c
index 1aff3d4..c36d120 100644
--- a/src/input.c
+++ b/src/input.c
@@ -77,7 +77,7 @@ MKINIT struct parsefile *toppf = &basepf;
 MKINIT struct stdin_state stdin_state;
 struct parsefile *parsefile = &basepf;	/* current input file */
 int whichprompt;		/* 1 == PS1, 2 == PS2 */
-int stdin_istty;
+int stdin_istty = -1;
 
 MKINIT void input_init(void);
 
@@ -99,8 +99,6 @@ INCLUDE "syntax.h"
 INIT {
 	basepf.nextc = basepf.buf = basebuf;
 	basepf.linno = 1;
-
-	input_init();
 }
 
 RESET {
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt