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bc: group ENABLE_BC code a bit better, no logic changes

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-12-14 00:12:13 +01:00
parent 5f263f406c
commit 57b6918b0a
1 changed files with 71 additions and 73 deletions
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144
miscutils/bc.c
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@ -6899,78 +6899,6 @@ static BC_STATUS zbc_program_exec(void)
# define zbc_program_exec(...) (zbc_program_exec(__VA_ARGS__), BC_STATUS_SUCCESS) # define zbc_program_exec(...) (zbc_program_exec(__VA_ARGS__), BC_STATUS_SUCCESS)
#endif #endif
#if ENABLE_BC
static void bc_vm_info(void)
{
printf("%s "BB_VER"\n"
"Copyright (c) 2018 Gavin D. Howard and contributors\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, "wvsqli",
"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, "wvsqli");
#endif
if (getenv("POSIXLY_CORRECT"))
option_mask32 |= BC_FLAG_S;
if (opts & BC_FLAG_V) {
bc_vm_info();
exit(0);
}
for (i = optind; argv[i]; ++i)
bc_vec_push(&G.files, argv + i);
}
static void bc_vm_envArgs(void)
{
BcVec v;
char *buf;
char *env_args = getenv("BC_ENV_ARGS");
if (!env_args) return;
G.env_args = xstrdup(env_args);
buf = G.env_args;
bc_vec_init(&v, sizeof(char *), NULL);
while (*(buf = skip_whitespace(buf)) != '\0') {
bc_vec_push(&v, &buf);
buf = skip_non_whitespace(buf);
if (!*buf)
break;
*buf++ = '\0';
}
// 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);
}
#endif // ENABLE_BC
static unsigned bc_vm_envLen(const char *var) static unsigned bc_vm_envLen(const char *var)
{ {
char *lenv; char *lenv;
@ -7141,7 +7069,77 @@ static BC_STATUS zbc_vm_stdin(void)
#endif #endif
#if ENABLE_BC #if ENABLE_BC
static const char bc_lib[] = { static void bc_vm_info(void)
{
printf("%s "BB_VER"\n"
"Copyright (c) 2018 Gavin D. Howard and contributors\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, "wvsqli",
"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, "wvsqli");
#endif
if (getenv("POSIXLY_CORRECT"))
option_mask32 |= BC_FLAG_S;
if (opts & BC_FLAG_V) {
bc_vm_info();
exit(0);
}
for (i = optind; argv[i]; ++i)
bc_vec_push(&G.files, argv + i);
}
static void bc_vm_envArgs(void)
{
BcVec v;
char *buf;
char *env_args = getenv("BC_ENV_ARGS");
if (!env_args) return;
G.env_args = xstrdup(env_args);
buf = G.env_args;
bc_vec_init(&v, sizeof(char *), NULL);
while (*(buf = skip_whitespace(buf)) != '\0') {
bc_vec_push(&v, &buf);
buf = skip_non_whitespace(buf);
if (!*buf)
break;
*buf++ = '\0';
}
// 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);
}
static const char bc_lib[] ALIGN1 = {
"scale=20" "scale=20"
"\n" "define e(x){" "\n" "define e(x){"
"\n" "auto b,s,n,r,d,i,p,f,v" "\n" "auto b,s,n,r,d,i,p,f,v"