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| author | Ben Collins <bcollins@ubuntu.com> | 2006-01-08 01:05:13 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-08 20:14:09 -0800 |
| commit | 96e9dd14a3b2aab4098503a5999ee2ef42d82da1 (patch) | |
| tree | 58071e25c9d72b10e12f06788ae9798abb332c22 /scripts/kconfig/conf.c | |
| parent | f756d5e256059018d753f0ba79980ebeb87a1bc0 (diff) | |
| download | lwn-96e9dd14a3b2aab4098503a5999ee2ef42d82da1.tar.gz lwn-96e9dd14a3b2aab4098503a5999ee2ef42d82da1.zip | |
[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>
Diffstat (limited to 'scripts/kconfig/conf.c')
| -rw-r--r-- | scripts/kconfig/conf.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c index 8ba5d29d3d42..10eeae53d827 100644 --- a/scripts/kconfig/conf.c +++ b/scripts/kconfig/conf.c @@ -63,6 +63,20 @@ static void check_stdin(void) } } +static char *fgets_check_stream(char *s, int size, FILE *stream) +{ + char *ret = fgets(s, size, stream); + + if (ret == NULL && feof(stream)) { + printf(_("aborted!\n\n")); + printf(_("Console input is closed. ")); + printf(_("Run 'make oldconfig' to update configuration.\n\n")); + exit(1); + } + + return ret; +} + static void conf_askvalue(struct symbol *sym, const char *def) { enum symbol_type type = sym_get_type(sym); @@ -100,7 +114,7 @@ static void conf_askvalue(struct symbol *sym, const char *def) check_stdin(); case ask_all: fflush(stdout); - fgets(line, 128, stdin); + fgets_check_stream(line, 128, stdin); return; case set_default: printf("%s\n", def); @@ -356,7 +370,7 @@ static int conf_choice(struct menu *menu) check_stdin(); case ask_all: fflush(stdout); - fgets(line, 128, stdin); + fgets_check_stream(line, 128, stdin); strip(line); if (line[0] == '?') { printf("\n%s\n", menu->sym->help ? |