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Another update from Larry:
Makes hush return code equal to that of the last command executed.
Fixes the mode where input comes from a file.
This commit is contained in:
Eric Andersen
parent
e0244b0642
commit
e67c3ce327
34
hush.c
34
hush.c
@ -445,7 +445,7 @@ static int builtin_exec(struct child_prog *child)
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static int builtin_exit(struct child_prog *child)
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{
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if (child->argv[1] == NULL)
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exit(EXIT_SUCCESS);
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exit(last_return_code);
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exit (atoi(child->argv[1]));
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}
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@ -814,17 +814,14 @@ static int file_get(struct in_str *i)
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if (i->__promptme && interactive && i->file == stdin) {
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get_user_input(i);
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i->promptmode=2;
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i->__promptme = 0;
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if (i->p && *i->p) {
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ch=*i->p++;
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}
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} else {
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static char buffer;
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buffer = fgetc(i->file);
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i->p = &buffer;
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ch = fgetc(i->file);
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}
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i->__promptme = 0;
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if (i->p && *i->p) {
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ch=*i->p++;
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}
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debug_printf("b_getch: got a %d\n", ch);
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}
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if (ch == '\n') i->__promptme=1;
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@ -839,9 +836,10 @@ static int file_peek(struct in_str *i)
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if (i->p && *i->p) {
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return *i->p;
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} else {
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static char buffer;
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buffer = fgetc(i->file);
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i->p = &buffer;
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static char buffer[2];
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buffer[0] = fgetc(i->file);
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buffer[1] = '\0';
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i->p = buffer;
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debug_printf("b_peek: got a %d\n", *i->p);
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return *i->p;
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}
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@ -2081,6 +2079,8 @@ int shell_main(int argc, char **argv)
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int opt;
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FILE *input;
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last_return_code=EXIT_SUCCESS;
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/* XXX what should these be while sourcing /etc/profile? */
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global_argc = argc;
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global_argv = argv;
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@ -2110,7 +2110,7 @@ int shell_main(int argc, char **argv)
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global_argv = argv+optind;
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global_argc = argc-optind;
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opt = parse_string_outer(optarg);
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exit(opt);
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goto final_return;
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}
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break;
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case 'i':
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@ -2137,12 +2137,13 @@ int shell_main(int argc, char **argv)
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interactive++;
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}
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debug_printf("\ninteractive=%d\n", interactive);
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if (interactive) {
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/* Looks like they want an interactive shell */
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fprintf(stdout, "\nhush -- the humble shell v0.01 (testing)\n\n");
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exit(parse_file_outer(stdin));
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opt=parse_file_outer(stdin);
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goto final_return;
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}
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debug_printf("\ninteractive=%d\n", interactive);
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debug_printf("\nrunning script '%s'\n", argv[optind]);
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global_argv = argv+optind;
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@ -2154,5 +2155,6 @@ int shell_main(int argc, char **argv)
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fclose(input.file);
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#endif
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return(opt);
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final_return:
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return(opt?opt:last_return_code);
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}
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34
shell/hush.c
34
shell/hush.c
@ -445,7 +445,7 @@ static int builtin_exec(struct child_prog *child)
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static int builtin_exit(struct child_prog *child)
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{
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if (child->argv[1] == NULL)
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exit(EXIT_SUCCESS);
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exit(last_return_code);
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exit (atoi(child->argv[1]));
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}
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@ -814,17 +814,14 @@ static int file_get(struct in_str *i)
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if (i->__promptme && interactive && i->file == stdin) {
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get_user_input(i);
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i->promptmode=2;
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i->__promptme = 0;
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if (i->p && *i->p) {
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ch=*i->p++;
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}
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} else {
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static char buffer;
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buffer = fgetc(i->file);
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i->p = &buffer;
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ch = fgetc(i->file);
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}
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i->__promptme = 0;
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if (i->p && *i->p) {
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ch=*i->p++;
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}
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debug_printf("b_getch: got a %d\n", ch);
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}
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if (ch == '\n') i->__promptme=1;
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@ -839,9 +836,10 @@ static int file_peek(struct in_str *i)
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if (i->p && *i->p) {
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return *i->p;
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} else {
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static char buffer;
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buffer = fgetc(i->file);
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i->p = &buffer;
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static char buffer[2];
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buffer[0] = fgetc(i->file);
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buffer[1] = '\0';
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i->p = buffer;
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debug_printf("b_peek: got a %d\n", *i->p);
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return *i->p;
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}
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@ -2081,6 +2079,8 @@ int shell_main(int argc, char **argv)
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int opt;
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FILE *input;
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last_return_code=EXIT_SUCCESS;
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/* XXX what should these be while sourcing /etc/profile? */
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global_argc = argc;
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global_argv = argv;
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@ -2110,7 +2110,7 @@ int shell_main(int argc, char **argv)
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global_argv = argv+optind;
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global_argc = argc-optind;
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opt = parse_string_outer(optarg);
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exit(opt);
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goto final_return;
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}
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break;
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case 'i':
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@ -2137,12 +2137,13 @@ int shell_main(int argc, char **argv)
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interactive++;
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}
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debug_printf("\ninteractive=%d\n", interactive);
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if (interactive) {
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/* Looks like they want an interactive shell */
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fprintf(stdout, "\nhush -- the humble shell v0.01 (testing)\n\n");
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exit(parse_file_outer(stdin));
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opt=parse_file_outer(stdin);
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goto final_return;
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}
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debug_printf("\ninteractive=%d\n", interactive);
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debug_printf("\nrunning script '%s'\n", argv[optind]);
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global_argv = argv+optind;
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@ -2154,5 +2155,6 @@ int shell_main(int argc, char **argv)
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fclose(input.file);
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#endif
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return(opt);
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final_return:
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return(opt?opt:last_return_code);
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}
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