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bc: reorder functions, delete forward declarations, no code changes

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Pure block moves of text

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-12-05 21:03:16 +01:00
parent aad652a69a
commit b0e3761410
1 changed files with 94 additions and 104 deletions
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198
miscutils/bc.c
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@ -217,14 +217,6 @@ typedef struct BcNum {
typedef BcStatus (*BcNumBinaryOp)(BcNum *, BcNum *, BcNum *, size_t); typedef BcStatus (*BcNumBinaryOp)(BcNum *, BcNum *, BcNum *, size_t);
typedef void (*BcNumDigitOp)(size_t, size_t, bool, size_t *, size_t); typedef void (*BcNumDigitOp)(size_t, size_t, bool, size_t *, size_t);
static void bc_num_init(BcNum *n, size_t req);
static void bc_num_expand(BcNum *n, size_t req);
static void bc_num_copy(BcNum *d, BcNum *s);
static void bc_num_free(void *num);
static BcStatus bc_num_ulong(BcNum *n, unsigned long *result);
static void bc_num_ulong2num(BcNum *n, unsigned long val);
static BcStatus bc_num_add(BcNum *a, BcNum *b, BcNum *c, size_t scale); static BcStatus bc_num_add(BcNum *a, BcNum *b, BcNum *c, size_t scale);
static BcStatus bc_num_sub(BcNum *a, BcNum *b, BcNum *c, size_t scale); static BcStatus bc_num_sub(BcNum *a, BcNum *b, BcNum *c, size_t scale);
static BcStatus bc_num_mul(BcNum *a, BcNum *b, BcNum *c, size_t scale); static BcStatus bc_num_mul(BcNum *a, BcNum *b, BcNum *c, size_t scale);
@ -387,7 +379,6 @@ typedef struct BcInstPtr {
size_t len; size_t len;
} BcInstPtr; } BcInstPtr;
static void bc_array_expand(BcVec *a, size_t len);
static int bc_id_cmp(const void *e1, const void *e2); static int bc_id_cmp(const void *e1, const void *e2);
// BC_LEX_NEG is not used in lexing; it is only for parsing. // BC_LEX_NEG is not used in lexing; it is only for parsing.
@ -798,11 +789,8 @@ struct globals {
#define G_exreg (ENABLE_DC && (option_mask32 & BC_FLAG_X)) #define G_exreg (ENABLE_DC && (option_mask32 & BC_FLAG_X))
#define G_interrupt (ENABLE_FEATURE_BC_SIGNALS ? bb_got_signal : 0) #define G_interrupt (ENABLE_FEATURE_BC_SIGNALS ? bb_got_signal : 0)
#define IS_BC (ENABLE_BC && (!ENABLE_DC || applet_name[0] == 'b')) #define IS_BC (ENABLE_BC && (!ENABLE_DC || applet_name[0] == 'b'))
static void bc_vm_info(void);
#if ENABLE_BC #if ENABLE_BC
// This is a bit array that corresponds to token types. An entry is // This is a bit array that corresponds to token types. An entry is
@ -1046,6 +1034,15 @@ static int bc_error_nested_read_call(void)
return bc_error("read() call inside of a read() call"); return bc_error("read() call inside of a read() call");
} }
static void bc_vm_info(void)
{
printf("%s "BB_VER"\n"
"Copyright (c) 2018 Gavin D. Howard and contributors\n"
"Report bugs at: https://github.com/gavinhoward/bc\n"
"This is free software with ABSOLUTELY NO WARRANTY\n"
, applet_name);
}
static void bc_vec_grow(BcVec *v, size_t n) static void bc_vec_grow(BcVec *v, size_t n)
{ {
size_t cap = v->cap * 2; size_t cap = v->cap * 2;
@ -1351,6 +1348,74 @@ static void bc_num_ten(BcNum *n)
n->num[1] = 1; n->num[1] = 1;
} }
static void bc_num_init(BcNum *n, size_t req)
{
req = req >= BC_NUM_DEF_SIZE ? req : BC_NUM_DEF_SIZE;
memset(n, 0, sizeof(BcNum));
n->num = xmalloc(req);
n->cap = req;
}
static void bc_num_expand(BcNum *n, size_t req)
{
req = req >= BC_NUM_DEF_SIZE ? req : BC_NUM_DEF_SIZE;
if (req > n->cap) {
n->num = xrealloc(n->num, req);
n->cap = req;
}
}
static void bc_num_free(void *num)
{
free(((BcNum *) num)->num);
}
static void bc_num_copy(BcNum *d, BcNum *s)
{
if (d != s) {
bc_num_expand(d, s->cap);
d->len = s->len;
d->neg = s->neg;
d->rdx = s->rdx;
memcpy(d->num, s->num, sizeof(BcDig) * d->len);
}
}
static BcStatus bc_num_ulong(BcNum *n, unsigned long *result)
{
size_t i;
unsigned long pow;
if (n->neg) return bc_error("negative number");
for (*result = 0, pow = 1, i = n->rdx; i < n->len; ++i) {
unsigned long prev = *result, powprev = pow;
*result += ((unsigned long) n->num[i]) * pow;
pow *= 10;
if (*result < prev || pow < powprev)
return bc_error("overflow");
}
return BC_STATUS_SUCCESS;
}
static void bc_num_ulong2num(BcNum *n, unsigned long val)
{
size_t len;
BcDig *ptr;
unsigned long i;
bc_num_zero(n);
if (val == 0) return;
for (len = 1, i = ULONG_MAX; i != 0; i /= 10, ++len) bc_num_expand(n, len);
for (ptr = n->num, i = 0; val; ++i, ++n->len, val /= 10) ptr[i] = val % 10;
}
static void bc_num_subArrays(BcDig *restrict a, BcDig *restrict b, static void bc_num_subArrays(BcDig *restrict a, BcDig *restrict b,
size_t len) size_t len)
{ {
@ -2343,39 +2408,6 @@ static BcStatus bc_num_stream(BcNum *n, BcNum *base, size_t *nchars, size_t len)
} }
#endif #endif
static void bc_num_init(BcNum *n, size_t req)
{
req = req >= BC_NUM_DEF_SIZE ? req : BC_NUM_DEF_SIZE;
memset(n, 0, sizeof(BcNum));
n->num = xmalloc(req);
n->cap = req;
}
static void bc_num_expand(BcNum *n, size_t req)
{
req = req >= BC_NUM_DEF_SIZE ? req : BC_NUM_DEF_SIZE;
if (req > n->cap) {
n->num = xrealloc(n->num, req);
n->cap = req;
}
}
static void bc_num_free(void *num)
{
free(((BcNum *) num)->num);
}
static void bc_num_copy(BcNum *d, BcNum *s)
{
if (d != s) {
bc_num_expand(d, s->cap);
d->len = s->len;
d->neg = s->neg;
d->rdx = s->rdx;
memcpy(d->num, s->num, sizeof(BcDig) * d->len);
}
}
static BcStatus bc_num_parse(BcNum *n, const char *val, BcNum *base, static BcStatus bc_num_parse(BcNum *n, const char *val, BcNum *base,
size_t base_t) size_t base_t)
{ {
@ -2414,41 +2446,6 @@ static BcStatus bc_num_print(BcNum *n, BcNum *base, size_t base_t, bool newline,
return s; return s;
} }
static BcStatus bc_num_ulong(BcNum *n, unsigned long *result)
{
size_t i;
unsigned long pow;
if (n->neg) return bc_error("negative number");
for (*result = 0, pow = 1, i = n->rdx; i < n->len; ++i) {
unsigned long prev = *result, powprev = pow;
*result += ((unsigned long) n->num[i]) * pow;
pow *= 10;
if (*result < prev || pow < powprev)
return bc_error("overflow");
}
return BC_STATUS_SUCCESS;
}
static void bc_num_ulong2num(BcNum *n, unsigned long val)
{
size_t len;
BcDig *ptr;
unsigned long i;
bc_num_zero(n);
if (val == 0) return;
for (len = 1, i = ULONG_MAX; i != 0; i /= 10, ++len) bc_num_expand(n, len);
for (ptr = n->num, i = 0; val; ++i, ++n->len, val /= 10) ptr[i] = val % 10;
}
static BcStatus bc_num_add(BcNum *a, BcNum *b, BcNum *c, size_t scale) static BcStatus bc_num_add(BcNum *a, BcNum *b, BcNum *c, size_t scale)
{ {
BcNumBinaryOp op = (!a->neg == !b->neg) ? bc_num_a : bc_num_s; BcNumBinaryOp op = (!a->neg == !b->neg) ? bc_num_a : bc_num_s;
@ -2712,6 +2709,8 @@ static void bc_func_free(void *func)
bc_vec_free(&f->labels); bc_vec_free(&f->labels);
} }
static void bc_array_expand(BcVec *a, size_t len);
static void bc_array_init(BcVec *a, bool nums) static void bc_array_init(BcVec *a, bool nums)
{ {
if (nums) if (nums)
@ -2721,21 +2720,6 @@ static void bc_array_init(BcVec *a, bool nums)
bc_array_expand(a, 1); bc_array_expand(a, 1);
} }
static void bc_array_copy(BcVec *d, const BcVec *s)
{
size_t i;
bc_vec_pop_all(d);
bc_vec_expand(d, s->cap);
d->len = s->len;
for (i = 0; i < s->len; ++i) {
BcNum *dnum = bc_vec_item(d, i), *snum = bc_vec_item(s, i);
bc_num_init(dnum, snum->len);
bc_num_copy(dnum, snum);
}
}
static void bc_array_expand(BcVec *a, size_t len) static void bc_array_expand(BcVec *a, size_t len)
{ {
BcResultData data; BcResultData data;
@ -2754,6 +2738,21 @@ static void bc_array_expand(BcVec *a, size_t len)
} }
} }
static void bc_array_copy(BcVec *d, const BcVec *s)
{
size_t i;
bc_vec_pop_all(d);
bc_vec_expand(d, s->cap);
d->len = s->len;
for (i = 0; i < s->len; ++i) {
BcNum *dnum = bc_vec_item(d, i), *snum = bc_vec_item(s, i);
bc_num_init(dnum, snum->len);
bc_num_copy(dnum, snum);
}
}
static void bc_string_free(void *string) static void bc_string_free(void *string)
{ {
free(*((char **) string)); free(*((char **) string));
@ -6854,15 +6853,6 @@ static BcStatus bc_program_exec(void)
return s; return s;
} }
static void bc_vm_info(void)
{
printf("%s "BB_VER"\n"
"Copyright (c) 2018 Gavin D. Howard and contributors\n"
"Report bugs at: https://github.com/gavinhoward/bc\n"
"This is free software with ABSOLUTELY NO WARRANTY\n"
, applet_name);
}
#if ENABLE_BC #if ENABLE_BC
static void bc_vm_envArgs(void) static void bc_vm_envArgs(void)
{ {