[PATCH] kconf: Check for eof from input stream.
Signed-off-by: Ben Collins <bcollins@ubuntu.com> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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1 changed files with 16 additions and 2 deletions
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@ -63,6 +63,20 @@ static void check_stdin(void)
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}
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}
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static char *fgets_check_stream(char *s, int size, FILE *stream)
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{
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char *ret = fgets(s, size, stream);
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if (ret == NULL && feof(stream)) {
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printf(_("aborted!\n\n"));
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printf(_("Console input is closed. "));
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printf(_("Run 'make oldconfig' to update configuration.\n\n"));
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exit(1);
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}
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return ret;
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}
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static void conf_askvalue(struct symbol *sym, const char *def)
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{
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enum symbol_type type = sym_get_type(sym);
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@ -100,7 +114,7 @@ static void conf_askvalue(struct symbol *sym, const char *def)
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check_stdin();
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case ask_all:
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fflush(stdout);
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fgets(line, 128, stdin);
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fgets_check_stream(line, 128, stdin);
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return;
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case set_default:
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printf("%s\n", def);
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@ -356,7 +370,7 @@ static int conf_choice(struct menu *menu)
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check_stdin();
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case ask_all:
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fflush(stdout);
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fgets(line, 128, stdin);
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fgets_check_stream(line, 128, stdin);
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strip(line);
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if (line[0] == '?') {
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printf("\n%s\n", menu->sym->help ?
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