#endif
#ifdef __U_BOOT__
+DECLARE_GLOBAL_DATA_PTR;
+
#define EXIT_SUCCESS 0
#define EOF -1
#define syntax() syntax_err()
unsigned int global_argc;
#endif
unsigned int last_return_code;
+int nesting_level;
#ifndef __U_BOOT__
extern char **environ; /* This is in <unistd.h>, but protected with __USE_GNU */
#endif
/* "globals" within this file */
-static char *ifs;
+static uchar *ifs;
static char map[256];
#ifndef __U_BOOT__
static int fake_mode;
static int b_addchr(o_string *o, int ch);
static void b_reset(o_string *o);
static int b_addqchr(o_string *o, int ch, int quote);
+#ifndef __U_BOOT__
static int b_adduint(o_string *o, unsigned int i);
+#endif
/* in_str manipulations: */
static int static_get(struct in_str *i);
static int static_peek(struct in_str *i);
return p + 1;
}
+#ifndef __U_BOOT__
static int b_adduint(o_string *o, unsigned int i)
{
int r;
do r=b_addchr(o, *p++); while (r==0 && *p);
return r;
}
+#endif
static int static_get(struct in_str *i)
{
int n;
static char the_command[CFG_CBSIZE];
+#ifdef CONFIG_BOOT_RETRY_TIME
+# ifdef CONFIG_RESET_TO_RETRY
+ extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
+# else
+# error "This currently only works with CONFIG_RESET_TO_RETRY enabled"
+# endif
+ reset_cmd_timeout();
+#endif
i->__promptme = 1;
if (i->promptmode == 1) {
n = readline(CFG_PROMPT);
} else {
n = readline(CFG_PROMPT_HUSH_PS2);
}
+#ifdef CONFIG_BOOT_RETRY_TIME
+ if (n == -2) {
+ puts("\nTimeout waiting for command\n");
+# ifdef CONFIG_RESET_TO_RETRY
+ do_reset(NULL, 0, 0, NULL);
+# else
+# error "This currently only works with CONFIG_RESET_TO_RETRY enabled"
+# endif
+ }
+#endif
if (n == -1 ) {
flag_repeat = 0;
i->__promptme = 0;
return -1; /* give up after bad command */
} else {
int rcode;
-#if (CONFIG_COMMANDS & CFG_CMD_BOOTD)
+#if defined(CONFIG_CMD_BOOTD)
extern int do_bootd (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
/* avoid "bootd" recursion */
else
flag |= CMD_FLAG_BOOTD;
}
-#endif /* CFG_CMD_BOOTD */
+#endif
/* found - check max args */
if ((child->argc - i) > cmdtp->maxargs) {
printf ("Usage:\n%s\n", cmdtp->usage);
if (rmode == RES_THEN || rmode == RES_ELSE) if_code = next_if_code;
if (rmode == RES_THEN && if_code) continue;
if (rmode == RES_ELSE && !if_code) continue;
- if (rmode == RES_ELIF && !if_code) continue;
+ if (rmode == RES_ELIF && !if_code) break;
if (rmode == RES_FOR && pi->num_progs) {
if (!list) {
/* if no variable values after "in" we skip "for" */
}
last_return_code=rcode;
#else
+ if (rcode < -1) {
+ last_return_code = -rcode - 2;
+ return -2; /* exit */
+ }
last_return_code=(rcode == 0) ? 0 : 1;
#endif
#ifndef __U_BOOT__
}
#endif
+#ifdef __U_BOOT__
+static char *get_dollar_var(char ch);
+#endif
+
/* This is used to get/check local shell variables */
static char *get_local_var(const char *s)
{
if (!s)
return NULL;
+
+#ifdef __U_BOOT__
+ if (*s == '$')
+ return get_dollar_var(s[1]);
+#endif
+
for (cur = top_vars; cur; cur=cur->next)
if(strcmp(cur->name, s)==0)
return cur->value;
int result=0;
struct variables *cur;
+#ifdef __U_BOOT__
+ /* might be possible! */
+ if (!isalpha(*s))
+ return -1;
+#endif
+
name=strdup(s);
#ifdef __U_BOOT__
if (getenv(name) != NULL) {
printf ("ERROR: "
- "There is a global environmet variable with the same name.\n");
+ "There is a global environment variable with the same name.\n");
+ free(name);
return -1;
}
#endif
static int is_assignment(const char *s)
{
- if (s==NULL || !isalpha(*s)) return 0;
+ if (s == NULL)
+ return 0;
+
+ if (!isalpha(*s)) return 0;
++s;
while(isalnum(*s) || *s=='_') ++s;
return *s=='=';
pi->progs = NULL;
pi->next = NULL;
pi->followup = 0; /* invalid */
+ pi->r_mode = RES_NONE;
return pi;
}
* see the bash man page under "Parameter Expansion" */
static char *lookup_param(char *src)
{
- char *p=NULL;
- if (src) {
+ char *p;
+
+ if (!src)
+ return NULL;
+
p = getenv(src);
if (!p)
p = get_local_var(src);
- }
+
return p;
}
+#ifdef __U_BOOT__
+static char *get_dollar_var(char ch)
+{
+ static char buf[40];
+
+ buf[0] = '\0';
+ switch (ch) {
+ case '?':
+ sprintf(buf, "%u", (unsigned int)last_return_code);
+ break;
+ default:
+ return NULL;
+ }
+ return buf;
+}
+#endif
+
/* return code: 0 for OK, 1 for syntax error */
static int handle_dollar(o_string *dest, struct p_context *ctx, struct in_str *input)
{
break;
#endif
case '?':
+#ifndef __U_BOOT__
b_adduint(dest,last_return_code);
+#else
+ ctx->child->sp++;
+ b_addchr(dest, SPECIAL_VAR_SYMBOL);
+ b_addchr(dest, '$');
+ b_addchr(dest, '?');
+ b_addchr(dest, SPECIAL_VAR_SYMBOL);
+#endif
advance = 1;
break;
#ifndef __U_BOOT__
if (input->__promptme == 0) return 1;
#endif
next = (ch == '\n') ? 0 : b_peek(input);
- debug_printf("parse_stream: ch=%c (%d) m=%d quote=%d\n",
- ch,ch,m,dest->quote);
+
+ debug_printf("parse_stream: ch=%c (%d) m=%d quote=%d - %c\n",
+ ch >= ' ' ? ch : '.', ch, m,
+ dest->quote, ctx->stack == NULL ? '*' : '.');
+
if (m==0 || ((m==1 || m==2) && dest->quote)) {
b_addqchr(dest, ch, dest->quote);
} else {
void update_ifs_map(void)
{
/* char *ifs and char map[256] are both globals. */
- ifs = getenv("IFS");
- if (ifs == NULL) ifs=" \t\n";
+ ifs = (uchar *)getenv("IFS");
+ if (ifs == NULL) ifs=(uchar *)" \t\n";
/* Precompute a list of 'flow through' behavior so it can be treated
* quickly up front. Computation is necessary because of IFS.
* Special case handling of IFS == " \t\n" is not implemented.
*/
memset(map,0,sizeof(map)); /* most characters flow through always */
#ifndef __U_BOOT__
- mapset("\\$'\"`", 3); /* never flow through */
- mapset("<>;&|(){}#", 1); /* flow through if quoted */
+ mapset((uchar *)"\\$'\"`", 3); /* never flow through */
+ mapset((uchar *)"<>;&|(){}#", 1); /* flow through if quoted */
#else
- mapset("\\$'\"", 3); /* never flow through */
- mapset(";&|#", 1); /* flow through if quoted */
+ mapset((uchar *)"\\$'\"", 3); /* never flow through */
+ mapset((uchar *)";&|#", 1); /* flow through if quoted */
#endif
mapset(ifs, 2); /* also flow through if quoted */
}
ctx.type = flag;
initialize_context(&ctx);
update_ifs_map();
- if (!(flag & FLAG_PARSE_SEMICOLON) || (flag & FLAG_REPARSING)) mapset(";$&|", 0);
+ if (!(flag & FLAG_PARSE_SEMICOLON) || (flag & FLAG_REPARSING)) mapset((uchar *)";$&|", 0);
inp->promptmode=1;
rcode = parse_stream(&temp, &ctx, inp, '\n');
#ifdef __U_BOOT__
#ifndef __U_BOOT__
run_list(ctx.list_head);
#else
- if (((code = run_list(ctx.list_head)) == -1))
+ code = run_list(ctx.list_head);
+ if (code == -2) { /* exit */
+ b_free(&temp);
+ code = 0;
+ /* XXX hackish way to not allow exit from main loop */
+ if (inp->peek == file_peek) {
+ printf("exit not allowed from main input shell.\n");
+ continue;
+ }
+ break;
+ }
+ if (code == -1)
flag_repeat = 0;
#endif
} else {
#ifdef __U_BOOT__
static void u_boot_hush_reloc(void)
{
- DECLARE_GLOBAL_DATA_PTR;
unsigned long addr;
struct reserved_combo *r;
projects / karo-tx-uboot.git / blobdiff