diff options
| -rw-r--r-- | miscutils/bc.c | 43 |
1 files changed, 36 insertions, 7 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c index eb5aff5..5966953 100644 --- a/miscutils/bc.c +++ b/miscutils/bc.c @@ -754,6 +754,9 @@ struct globals { #define INIT_G() do { \ SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \ } while (0) +#define FREE_G() do { \ + FREE_PTR_TO_GLOBALS(); \ +} while (0) #define G_posix (ENABLE_BC && (option_mask32 & BC_FLAG_S)) #define G_warn (ENABLE_BC && (option_mask32 & BC_FLAG_W)) #define G_exreg (ENABLE_DC && (option_mask32 & BC_FLAG_X)) @@ -898,6 +901,16 @@ static void fflush_and_check(void) bb_perror_msg_and_die("output error"); } +#if ENABLE_FEATURE_CLEAN_UP +#define quit_or_return_for_exit() \ +do { \ + G.ttyin = 0; /* do not loop in main loop anymore */ \ + return BC_STATUS_FAILURE; \ +} while (0) +#else +#define quit_or_return_for_exit() quit() +#endif + static void quit(void) NORETURN; static void quit(void) { @@ -929,7 +942,7 @@ static NOINLINE int bc_error_fmt(const char *fmt, ...) bc_verror_msg(fmt, p); va_end(p); - if (!G.ttyin) + if (!ENABLE_FEATURE_CLEAN_UP && !G.ttyin) exit(1); return BC_STATUS_FAILURE; } @@ -949,7 +962,7 @@ static NOINLINE int bc_posix_error_fmt(const char *fmt, ...) // Do we treat non-POSIX constructs as errors? if (!(option_mask32 & BC_FLAG_S)) return BC_STATUS_SUCCESS; // no, it's a warning - if (!G.ttyin) + if (!ENABLE_FEATURE_CLEAN_UP && !G.ttyin) exit(1); return BC_STATUS_FAILURE; } @@ -4645,7 +4658,7 @@ static BcStatus bc_parse_stmt(BcParse *p) // "quit" is a compile-time command. For example, // "if (0 == 1) quit" terminates when parsing the statement, // not when it is executed - quit(); + quit_or_return_for_exit(); } case BC_LEX_KEY_RETURN: @@ -6347,8 +6360,11 @@ static BcStatus bc_program_nquit(void) if (G.prog.stack.len < val) return bc_error_stack_has_too_few_elements(); - if (G.prog.stack.len == val) + if (G.prog.stack.len == val) { + if (ENABLE_FEATURE_CLEAN_UP) + return BC_STATUS_FAILURE; quit(); + } bc_vec_npop(&G.prog.stack, val); @@ -6579,7 +6595,7 @@ static BcStatus bc_program_exec(void) case BC_INST_HALT: { - quit(); + quit_or_return_for_exit(); break; } @@ -6824,7 +6840,7 @@ static BcStatus bc_program_exec(void) case BC_INST_QUIT: { if (G.prog.stack.len <= 2) - quit(); + quit_or_return_for_exit(); bc_vec_npop(&G.prog.stack, 2); break; } @@ -7018,6 +7034,12 @@ static BcStatus bc_vm_stdin(void) bc_vec_concat(&buffer, buf.v); s = bc_vm_process(buffer.v); if (s) { + if (ENABLE_FEATURE_CLEAN_UP && !G.ttyin) { + // Debug config, non-interactive mode: + // return all the way back to main. + // Non-debug builds do not come here, they exit. + break; + } fflush_and_check(); fputs("ready for more input\n", stderr); } @@ -7241,6 +7263,12 @@ static BcStatus bc_vm_exec(void) for (i = 0; !s && i < G.files.len; ++i) s = bc_vm_file(*((char **) bc_vec_item(&G.files, i))); if (s) { + if (ENABLE_FEATURE_CLEAN_UP && !G.ttyin) { + // Debug config, non-interactive mode: + // return all the way back to main. + // Non-debug builds do not come here, they exit. + return s; + } fflush_and_check(); fputs("ready for more input\n", stderr); } @@ -7254,7 +7282,7 @@ static BcStatus bc_vm_exec(void) } #if ENABLE_FEATURE_CLEAN_UP -static void bc_program_free() +static void bc_program_free(void) { bc_num_free(&G.prog.ib); bc_num_free(&G.prog.ob); @@ -7397,6 +7425,7 @@ static BcStatus bc_vm_run(int argc, char *argv[], #if ENABLE_FEATURE_CLEAN_UP bc_vm_free(); + FREE_G(); #endif return st; } |