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Diffstat (limited to 'miscutils/bc.c')
-rw-r--r--miscutils/bc.c20
1 files changed, 13 insertions, 7 deletions
diff --git a/miscutils/bc.c b/miscutils/bc.c
index 4e5ba80..6ab3a42 100644
--- a/miscutils/bc.c
+++ b/miscutils/bc.c
@@ -186,7 +186,7 @@
typedef enum BcStatus {
BC_STATUS_SUCCESS = 0,
BC_STATUS_FAILURE = 1,
- BC_STATUS_PARSE_EMPTY_EXP = 2, // bc_parse_expr() uses this
+ BC_STATUS_PARSE_EMPTY_EXP = 2, // bc_parse_expr_empty_ok() uses this
BC_STATUS_EOF = 3, // bc_vm_stdin() uses this
} BcStatus;
@@ -1299,6 +1299,7 @@ static int push_input_byte(BcVec *vec, char c)
return 0;
}
+// This is not a "z" function: can also return BC_STATUS_EOF
static BcStatus bc_read_line(BcVec *vec)
{
BcStatus s;
@@ -4906,6 +4907,7 @@ static FAST_FUNC BcStatus bc_parse_parse(BcParse *p)
return s;
}
+// This is not a "z" function: can also return BC_STATUS_PARSE_EMPTY_EXP
static BcStatus bc_parse_expr_empty_ok(BcParse *p, uint8_t flags, BcParseNext next)
{
BcStatus s = BC_STATUS_SUCCESS;
@@ -6109,10 +6111,9 @@ static BcStatus bc_program_assign(char inst)
bc_program_pushVar(code, bgn)
// for bc, 'pop' and 'copy' are always false
#endif
-static BcStatus bc_program_pushVar(char *code, size_t *bgn,
+static BC_STATUS bc_program_pushVar(char *code, size_t *bgn,
bool pop, bool copy)
{
- BcStatus s = BC_STATUS_SUCCESS;
BcResult r;
char *name = bc_program_name(code, bgn);
@@ -6128,7 +6129,7 @@ static BcStatus bc_program_pushVar(char *code, size_t *bgn,
if (!BC_PROG_STACK(v, 2 - copy)) {
free(name);
- return bc_error_stack_has_too_few_elements();
+ RETURN_STATUS(bc_error_stack_has_too_few_elements());
}
free(name);
@@ -6153,8 +6154,13 @@ static BcStatus bc_program_pushVar(char *code, size_t *bgn,
bc_vec_push(&G.prog.results, &r);
- return s;
+ RETURN_STATUS(BC_STATUS_SUCCESS);
}
+#if ERRORS_ARE_FATAL
+# define zbc_program_pushVar(...) (bc_program_pushVar(__VA_ARGS__), BC_STATUS_SUCCESS)
+#else
+# define zbc_program_pushVar(...) bc_program_pushVar(__VA_ARGS__)
+#endif
static BC_STATUS zbc_program_pushArray(char *code, size_t *bgn,
char inst)
@@ -6826,7 +6832,7 @@ static BcStatus bc_program_exec(void)
s = bc_program_read();
break;
case BC_INST_VAR:
- s = bc_program_pushVar(code, &ip->idx, false, false);
+ s = zbc_program_pushVar(code, &ip->idx, false, false);
break;
case BC_INST_ARRAY_ELEM:
case BC_INST_ARRAY:
@@ -6954,7 +6960,7 @@ static BcStatus bc_program_exec(void)
case BC_INST_LOAD:
case BC_INST_PUSH_VAR: {
bool copy = inst == BC_INST_LOAD;
- s = bc_program_pushVar(code, &ip->idx, true, copy);
+ s = zbc_program_pushVar(code, &ip->idx, true, copy);
break;
}
case BC_INST_PUSH_TO_VAR: {