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hush: shrink $RANDOM support

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function                                             old     new   delta
get_local_var_value                                  104     125     +21
hush_main                                           1024     983     -41

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2009-10-11 02:15:49 +02:00
parent e7670ff81d
commit 8c66a9d07a
1 changed files with 4 additions and 7 deletions
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11
shell/hush.c
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@ -1318,8 +1318,11 @@ static const char *get_local_var_value(const char *name)
return utoa(G.root_ppid);
// bash compat: UID? EUID?
#if ENABLE_HUSH_RANDOM_SUPPORT
if (strcmp(name, "RANDOM") == 0)
if (strcmp(name, "RANDOM") == 0) {
if (G.random_gen.galois_LFSR == 0)
INIT_RANDOM_T(&G.random_gen, G.root_pid, monotonic_us());
return utoa(next_random(&G.random_gen));
}
#endif
return NULL;
}
@ -6605,9 +6608,6 @@ int hush_main(int argc, char **argv)
if (!G.root_pid) {
G.root_pid = getpid();
G.root_ppid = getppid();
#if ENABLE_HUSH_RANDOM_SUPPORT
INIT_RANDOM_T(&G.random_gen, G.root_pid, monotonic_us());
#endif
}
G.global_argv = argv + optind;
G.global_argc = argc - optind;
@ -6696,9 +6696,6 @@ int hush_main(int argc, char **argv)
G.root_pid = getpid();
G.root_ppid = getppid();
}
#if ENABLE_HUSH_RANDOM_SUPPORT
INIT_RANDOM_T(&G.random_gen, G.root_pid, monotonic_us());
#endif
/* If we are login shell... */
if (argv[0] && argv[0][0] == '-') {