diff options
Diffstat (limited to 'support/kconfig/patches/09-implement-kconfig-probability.patch')
| -rw-r--r-- | support/kconfig/patches/09-implement-kconfig-probability.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/support/kconfig/patches/09-implement-kconfig-probability.patch b/support/kconfig/patches/09-implement-kconfig-probability.patch new file mode 100644 index 000000000..3f09673b8 --- /dev/null +++ b/support/kconfig/patches/09-implement-kconfig-probability.patch @@ -0,0 +1,44 @@ +--- + confdata.c | 22 +++++++++++++++++++--- + 1 file changed, 19 insertions(+), 3 deletions(-) + +Index: config/confdata.c +=================================================================== +--- config.orig/confdata.c ++++ config/confdata.c +@@ -996,7 +996,16 @@ + void conf_set_all_new_symbols(enum conf_def_mode mode) + { + struct symbol *sym, *csym; +- int i, cnt; ++ int i, cnt, prob = 50; ++ ++ if (mode == def_random) { ++ char *endp, *env = getenv("KCONFIG_PROBABILITY"); ++ if (env && *env) { ++ int tmp = (int)strtol(env, &endp, 10); ++ if (*endp == '\0' && tmp >= 0 && tmp <= 100) ++ prob = tmp; ++ } ++ } + + for_all_symbols(i, sym) { + if (sym_has_value(sym)) +@@ -1015,8 +1024,15 @@ + sym->def[S_DEF_USER].tri = no; + break; + case def_random: +- cnt = sym_get_type(sym) == S_TRISTATE ? 3 : 2; +- sym->def[S_DEF_USER].tri = (tristate)(rand() % cnt); ++ cnt = (rand() % 100) - (100 - prob); ++ if (cnt < 0) ++ sym->def[S_DEF_USER].tri = no; ++ else ++ if ((sym_get_type(sym) == S_TRISTATE) ++ && (cnt > prob/2)) ++ sym->def[S_DEF_USER].tri = mod; ++ else ++ sym->def[S_DEF_USER].tri = yes; + break; + default: + continue; |