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bc: fix "bc -v" printing version info twice, and not exiting

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function                                             old     new   delta
bc_args                                              123     130      +7
bc_num_binary                                        150     148      -2
static.nullptr                                         4       -      -4
bc_vm_run                                           1883    1874      -9
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/2 up/down: 7/-15)              Total: -8 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-12-06 09:07:06 +01:00
parent 1ff1c70944
commit 54214c38db
1 changed files with 50 additions and 44 deletions
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94
miscutils/bc.c
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@ -1017,15 +1017,6 @@ static int bc_error_nested_read_call(void)
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)
{
size_t cap = v->cap * 2;
@ -1284,35 +1275,6 @@ static char* bc_read_file(const char *path)
return buf;
}
static void bc_args(char **argv)
{
unsigned opts;
int i;
GETOPT_RESET();
#if ENABLE_FEATURE_BC_LONG_OPTIONS
opts = option_mask32 |= getopt32long(argv, "xwvsqli",
"extended-register\0" No_argument "x"
"warn\0" No_argument "w"
"version\0" No_argument "v"
"standard\0" No_argument "s"
"quiet\0" No_argument "q"
"mathlib\0" No_argument "l"
"interactive\0" No_argument "i"
);
#else
opts = option_mask32 |= getopt32(argv, "xwvsqli");
#endif
if (getenv("POSIXLY_CORRECT"))
option_mask32 |= BC_FLAG_S;
///should be in bc_vm_run() instead??
if (opts & BC_FLAG_V) bc_vm_info();
for (i = optind; argv[i]; ++i)
bc_vec_push(&G.files, argv + i);
}
static void bc_num_setToZero(BcNum *n, size_t scale)
{
n->len = 0;
@ -6866,14 +6828,53 @@ static BcStatus bc_program_exec(void)
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);
}
static void bc_args(char **argv)
{
unsigned opts;
int i;
GETOPT_RESET();
#if ENABLE_FEATURE_BC_LONG_OPTIONS
opts = option_mask32 |= getopt32long(argv, "xwvsqli",
"extended-register\0" No_argument "x"
"warn\0" No_argument "w"
"version\0" No_argument "v"
"standard\0" No_argument "s"
"quiet\0" No_argument "q"
"mathlib\0" No_argument "l"
"interactive\0" No_argument "i"
);
#else
opts = option_mask32 |= getopt32(argv, "xwvsqli");
#endif
if (getenv("POSIXLY_CORRECT"))
option_mask32 |= BC_FLAG_S;
///should be in bc_vm_run() instead??
if (opts & BC_FLAG_V) {
bc_vm_info();
exit(0);
}
for (i = optind; argv[i]; ++i)
bc_vec_push(&G.files, argv + i);
}
#if ENABLE_BC
static void bc_vm_envArgs(void)
{
static char *const nullptr = NULL;
BcVec v;
char *env_args = getenv("BC_ENV_ARGS");
char *buf;
char *env_args = getenv("BC_ENV_ARGS");
if (!env_args) return;
@ -6881,7 +6882,6 @@ static void bc_vm_envArgs(void)
buf = G.env_args;
bc_vec_init(&v, sizeof(char *), NULL);
bc_vec_push(&v, &nullptr);
while (*(buf = skip_whitespace(buf)) != '\0') {
bc_vec_push(&v, &buf);
@ -6891,8 +6891,14 @@ static void bc_vm_envArgs(void)
*buf++ = '\0';
}
bc_vec_push(&v, &nullptr);
bc_args((char **) v.v);
// NULL terminate, and pass argv[] so that first arg is argv[1]
if (sizeof(int) == sizeof(char*)) {
bc_vec_push(&v, &const_int_0);
} else {
static char *const nullptr = NULL;
bc_vec_push(&v, &nullptr);
}
bc_args(((char **)v.v) - 1);
bc_vec_free(&v);
}