From 8494453ad50599b0c9d099a230e423a89222ad08 Mon Sep 17 00:00:00 2001 From: Arnaud Lacombe Date: Sun, 19 Sep 2010 22:45:00 -0400 Subject: kconfig: use calloc() for expr allocation Signed-off-by: Arnaud Lacombe --- scripts/kconfig/expr.c | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) (limited to 'scripts') diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c index 792c62ed9d63..290ce41f8ba4 100644 --- a/scripts/kconfig/expr.c +++ b/scripts/kconfig/expr.c @@ -13,8 +13,7 @@ struct expr *expr_alloc_symbol(struct symbol *sym) { - struct expr *e = malloc(sizeof(*e)); - memset(e, 0, sizeof(*e)); + struct expr *e = calloc(1, sizeof(*e)); e->type = E_SYMBOL; e->left.sym = sym; return e; @@ -22,8 +21,7 @@ struct expr *expr_alloc_symbol(struct symbol *sym) struct expr *expr_alloc_one(enum expr_type type, struct expr *ce) { - struct expr *e = malloc(sizeof(*e)); - memset(e, 0, sizeof(*e)); + struct expr *e = calloc(1, sizeof(*e)); e->type = type; e->left.expr = ce; return e; @@ -31,8 +29,7 @@ struct expr *expr_alloc_one(enum expr_type type, struct expr *ce) struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e2) { - struct expr *e = malloc(sizeof(*e)); - memset(e, 0, sizeof(*e)); + struct expr *e = calloc(1, sizeof(*e)); e->type = type; e->left.expr = e1; e->right.expr = e2; @@ -41,8 +38,7 @@ struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e struct expr *expr_alloc_comp(enum expr_type type, struct symbol *s1, struct symbol *s2) { - struct expr *e = malloc(sizeof(*e)); - memset(e, 0, sizeof(*e)); + struct expr *e = calloc(1, sizeof(*e)); e->type = type; e->left.sym = s1; e->right.sym = s2; -- cgit v1.2.3-59-g8ed1b From 275744cc8da0fd006e8f8fc1090f01dc0296810d Mon Sep 17 00:00:00 2001 From: Arnaud Lacombe Date: Wed, 13 Oct 2010 20:43:28 -0400 Subject: kconfig/conf: reduce the scope of `defconfig_file' This variable is not used outside of main() so there is not much reason keeping it global. Ensure it is initialized as gcc has no way to know that normal execution path expect only one option switch to be given on the command line (except when we request help). As a result, we always initialize `defconfig_file' before using it. Signed-off-by: Arnaud Lacombe --- scripts/kconfig/conf.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'scripts') diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c index 08c05bcc82c9..6431f5c004d9 100644 --- a/scripts/kconfig/conf.c +++ b/scripts/kconfig/conf.c @@ -34,8 +34,6 @@ enum input_mode { oldnoconfig, } input_mode = oldaskconfig; -char *defconfig_file; - static int indent = 1; static int valid_stdin = 1; static int sync_kconfig; @@ -462,7 +460,7 @@ static struct option long_opts[] = { int main(int ac, char **av) { int opt; - const char *name; + const char *name, *defconfig_file = NULL /* gcc uninit */; struct stat tmpstat; setlocale(LC_ALL, ""); -- cgit v1.2.3-59-g8ed1b From 32543999f31e8e3a25325cc7c25d98db0c111118 Mon Sep 17 00:00:00 2001 From: Arnaud Lacombe Date: Tue, 2 Nov 2010 00:26:33 -0400 Subject: kconfig/conf: add command line options' description Signed-off-by: Arnaud Lacombe --- scripts/kconfig/conf.c | 32 +++++++++++++++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) (limited to 'scripts') diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c index 6431f5c004d9..819ab18961fe 100644 --- a/scripts/kconfig/conf.c +++ b/scripts/kconfig/conf.c @@ -457,8 +457,28 @@ static struct option long_opts[] = { {NULL, 0, NULL, 0} }; +static void conf_usage(const char *progname) +{ + + printf("Usage: %s [option] \n", progname); + printf("[option] is _one_ of the following:\n"); + printf(" --listnewconfig List new options\n"); + printf(" --oldaskconfig Start a new configuration using a line-oriented program\n"); + printf(" --oldconfig Update a configuration using a provided .config as base\n"); + printf(" --silentoldconfig Same as oldconfig, but quietly, additionally update deps\n"); + printf(" --oldnoconfig Same as silentoldconfig but set new symbols to no\n"); + printf(" --defconfig New config with default defined in \n"); + printf(" --savedefconfig Save the minimal current configuration to \n"); + printf(" --allnoconfig New config where all options are answered with no\n"); + printf(" --allyesconfig New config where all options are answered with yes\n"); + printf(" --allmodconfig New config where all options are answered with mod\n"); + printf(" --alldefconfig New config with all symbols set to default\n"); + printf(" --randconfig New config with random answer to all options\n"); +} + int main(int ac, char **av) { + const char *progname = av[0]; int opt; const char *name, *defconfig_file = NULL /* gcc uninit */; struct stat tmpstat; @@ -492,14 +512,24 @@ int main(int ac, char **av) srand(seed); break; } + case oldaskconfig: + case oldconfig: + case allnoconfig: + case allyesconfig: + case allmodconfig: + case alldefconfig: + case listnewconfig: + case oldnoconfig: + break; case '?': - fprintf(stderr, _("See README for usage info\n")); + conf_usage(progname); exit(1); break; } } if (ac == optind) { printf(_("%s: Kconfig file missing\n"), av[0]); + conf_usage(progname); exit(1); } name = av[optind]; -- cgit v1.2.3-59-g8ed1b From 131c60a95e15e7d32b6f10881368e1ffe7296695 Mon Sep 17 00:00:00 2001 From: Arnaud Lacombe Date: Sat, 2 Jul 2011 00:25:49 -0400 Subject: kconfig: remove pending prototypes for kconfig_load() Commit 5a6f8d2bd9e3392569ed6f29ea4d7210652f929b removed `kconfig_load()', however, it missed an hidden prototypes in `lkc.h'. Fix this. Signed-off-by: Arnaud Lacombe --- scripts/kconfig/lkc.h | 3 --- 1 file changed, 3 deletions(-) (limited to 'scripts') diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h index 625ec69ebeee..60ffe8cc83f1 100644 --- a/scripts/kconfig/lkc.h +++ b/scripts/kconfig/lkc.h @@ -94,9 +94,6 @@ static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out) fprintf(stderr, "\nError in writing or end of file.\n"); } -/* kconfig_load.c */ -void kconfig_load(void); - /* menu.c */ void _menu_init(void); void menu_warn(struct menu *menu, const char *fmt, ...); -- cgit v1.2.3-59-g8ed1b From ab63f58f253c3eca620347f5180ca3d6a1b6aa38 Mon Sep 17 00:00:00 2001 From: Arnaud Lacombe Date: Sat, 2 Jul 2011 00:59:41 -0400 Subject: kconfig/conf: mark xfgets() private This function has not much reason to be public. In the mean time, convert declaration from K&R C to ISO C. Signed-off-by: Arnaud Lacombe --- scripts/kconfig/conf.c | 7 +++---- scripts/kconfig/lkc.h | 3 --- 2 files changed, 3 insertions(+), 7 deletions(-) (limited to 'scripts') diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c index 819ab18961fe..f208f900ed3a 100644 --- a/scripts/kconfig/conf.c +++ b/scripts/kconfig/conf.c @@ -18,6 +18,7 @@ static void conf(struct menu *menu); static void check_conf(struct menu *menu); +static void xfgets(char *str, int size, FILE *in); enum input_mode { oldaskconfig, @@ -672,13 +673,11 @@ int main(int ac, char **av) } return 0; } + /* * Helper function to facilitate fgets() by Jean Sacren. */ -void xfgets(str, size, in) - char *str; - int size; - FILE *in; +void xfgets(char *str, int size, FILE *in) { if (fgets(str, size, in) == NULL) fprintf(stderr, "\nError in reading or end of file.\n"); diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h index 60ffe8cc83f1..eed22491f13f 100644 --- a/scripts/kconfig/lkc.h +++ b/scripts/kconfig/lkc.h @@ -76,9 +76,6 @@ void zconf_nextfile(const char *name); int zconf_lineno(void); const char *zconf_curname(void); -/* conf.c */ -void xfgets(char *str, int size, FILE *in); - /* confdata.c */ const char *conf_get_configname(void); const char *conf_get_autoconfig_name(void); -- cgit v1.2.3-59-g8ed1b