diff options
Diffstat (limited to 'common/hush.c')
| -rw-r--r-- | common/hush.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/common/hush.c b/common/hush.c index 4c84c2f50..eb6c879c5 100644 --- a/common/hush.c +++ b/common/hush.c @@ -289,8 +289,7 @@ struct variables { char **global_argv; unsigned int global_argc; #endif -unsigned int last_return_code; -int nesting_level; +static unsigned int last_return_code; #ifndef __U_BOOT__ extern char **environ; /* This is in <unistd.h>, but protected with __USE_GNU */ #endif @@ -2172,7 +2171,7 @@ int set_local_var(const char *s, int flg_export) * NAME=VALUE format. So the first order of business is to * split 's' on the '=' into 'name' and 'value' */ value = strchr(name, '='); - if (value==0 && ++value==0) { + if (value == NULL && ++value == NULL) { free(name); return -1; } @@ -2207,13 +2206,13 @@ int set_local_var(const char *s, int flg_export) result = -1; } else { cur->name = strdup(name); - if(cur->name == 0) { + if (cur->name == NULL) { free(cur); result = -1; } else { struct variables *bottom = top_vars; cur->value = strdup(value); - cur->next = 0; + cur->next = NULL; cur->flg_export = flg_export; cur->flg_read_only = 0; while(bottom->next) bottom=bottom->next; @@ -2246,7 +2245,7 @@ void unset_local_var(const char *name) if(strcmp(cur->name, name)==0) break; } - if(cur!=0) { + if (cur != NULL) { struct variables *next = top_vars; if(cur->flg_read_only) { error_msg("%s: readonly variable", name); @@ -2329,7 +2328,8 @@ static int setup_redirect(struct p_context *ctx, int fd, redir_type style, } #endif -struct pipe *new_pipe(void) { +static struct pipe *new_pipe(void) +{ struct pipe *pi; pi = xmalloc(sizeof(struct pipe)); pi->num_progs = 0; @@ -2387,7 +2387,7 @@ static struct reserved_combo reserved_list[] = { }; #define NRES (sizeof(reserved_list)/sizeof(struct reserved_combo)) -int reserved_word(o_string *dest, struct p_context *ctx) +static int reserved_word(o_string *dest, struct p_context *ctx) { struct reserved_combo *r; for (r=reserved_list; @@ -2924,8 +2924,8 @@ int parse_string(o_string *dest, struct p_context *ctx, const char *src) #endif /* return code is 0 for normal exit, 1 for syntax error */ -int parse_stream(o_string *dest, struct p_context *ctx, - struct in_str *input, int end_trigger) +static int parse_stream(o_string *dest, struct p_context *ctx, + struct in_str *input, int end_trigger) { unsigned int ch, m; #ifndef __U_BOOT__ @@ -3124,13 +3124,13 @@ int parse_stream(o_string *dest, struct p_context *ctx, return 0; } -void mapset(const unsigned char *set, int code) +static void mapset(const unsigned char *set, int code) { const unsigned char *s; for (s=set; *s; s++) map[*s] = code; } -void update_ifs_map(void) +static void update_ifs_map(void) { /* char *ifs and char map[256] are both globals. */ ifs = (uchar *)getenv("IFS"); @@ -3158,7 +3158,7 @@ void update_ifs_map(void) /* most recursion does not come through here, the exeception is * from builtin_source() */ -int parse_stream_outer(struct in_str *inp, int flag) +static int parse_stream_outer(struct in_str *inp, int flag) { struct p_context ctx; @@ -3292,7 +3292,7 @@ int u_boot_hush_start(void) top_vars = malloc(sizeof(struct variables)); top_vars->name = "HUSH_VERSION"; top_vars->value = "0.01"; - top_vars->next = 0; + top_vars->next = NULL; top_vars->flg_export = 0; top_vars->flg_read_only = 1; #ifdef CONFIG_NEEDS_MANUAL_RELOC @@ -3628,7 +3628,8 @@ static char * make_string(char ** inp) } #ifdef __U_BOOT__ -int do_showvar (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +static int do_showvar(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) { int i, k; int rcode = 0; |