redonkable/remarkable-linux
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kconfig: remove check_stdin()

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Except silentoldconfig, valid_stdin is 1, so check_stdin() is no-op.

oldconfig and silentoldconfig work almost in the same way except that
the latter generates additional files under include/.  Both ask users
for input for new symbols.

I do not know why only silentoldconfig requires stdio be tty.

  $ rm -f .config; touch .config
  $ yes "" | make oldconfig > stdout
  $ rm -f .config; touch .config
  $ yes "" | make silentoldconfig > stdout
  make[1]: *** [silentoldconfig] Error 1
  make: *** [silentoldconfig] Error 2
  $ tail -n 4 stdout
  Console input/output is redirected. Run 'make oldconfig' to update configuration.

  scripts/kconfig/Makefile:40: recipe for target 'silentoldconfig' failed
  Makefile:507: recipe for target 'silentoldconfig' failed

Redirection is useful, for example, for testing where we want to give
particular key inputs from a test file, then check the result.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Ulf Magnusson <ulfalizer@gmail.com>
This commit is contained in:
Masahiro Yamada 2018-02-08 14:56:39 +09:00
parent cd58a91def
commit d2a04648a5
1 changed files with 0 additions and 14 deletions
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14
scripts/kconfig/conf.c
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@ -39,7 +39,6 @@ static enum input_mode input_mode = oldaskconfig;
static int indent = 1;
static int tty_stdio;
static int valid_stdin = 1;
static int sync_kconfig;
static int conf_cnt;
static char line[PATH_MAX];
@ -72,16 +71,6 @@ static void strip(char *str)
*p-- = 0;
}
static void check_stdin(void)
{
if (!valid_stdin) {
printf(_("aborted!\n\n"));
printf(_("Console input/output is redirected. "));
printf(_("Run 'make oldconfig' to update configuration.\n\n"));
exit(1);
}
}
/* Helper function to facilitate fgets() by Jean Sacren. */
static void xfgets(char *str, int size, FILE *in)
{
@ -113,7 +102,6 @@ static int conf_askvalue(struct symbol *sym, const char *def)
printf("%s\n", def);
return 0;
}
check_stdin();
/* fall through */
case oldaskconfig:
fflush(stdout);
@ -310,7 +298,6 @@ static int conf_choice(struct menu *menu)
printf("%d\n", cnt);
break;
}
check_stdin();
/* fall through */
case oldaskconfig:
fflush(stdout);
@ -645,7 +632,6 @@ int main(int ac, char **av)
return 1;
}
}
valid_stdin = tty_stdio;
}
switch (input_mode) {