diff options
| -rw-r--r-- | lib.c | 19 |
1 files changed, 17 insertions, 2 deletions
@@ -1172,6 +1172,19 @@ static void predefined_max(const char *name, struct symbol *type) predefine(buf, 1, "%#llx%s", max, suffix); } +static void predefined_min(const char *name, struct symbol *type) +{ + const char *suffix = builtin_type_suffix(type); + char buf[32]; + + snprintf(buf, sizeof(buf), "__%s_MIN__", name); + + if (is_signed_type(type)) + predefine(buf, 1, "(-__%s_MAX__ - 1)", name); + else + predefine(buf, 1, "0%s", suffix); +} + static void predefined_type(const char *name, struct symbol *type) { const char *typename = builtin_typename(type); @@ -1188,6 +1201,8 @@ static void predefined_ctype(const char *name, struct symbol *type, int flags) } if (flags & PTYPE_MAX) predefined_max(name, type); + if (flags & PTYPE_MIN) + predefined_min(name, type); if (flags & PTYPE_TYPE) predefined_type(name, type); if (flags & PTYPE_WIDTH) @@ -1242,8 +1257,8 @@ static void predefined_macros(void) predefined_ctype("SHORT", &short_ctype, PTYPE_SIZEOF); predefined_ctype("SHRT", &short_ctype, PTYPE_MAX|PTYPE_WIDTH); predefined_ctype("SCHAR", &schar_ctype, PTYPE_MAX|PTYPE_WIDTH); - predefined_ctype("WCHAR", wchar_ctype, PTYPE_ALL_T|PTYPE_TYPE); - predefined_ctype("WINT", wint_ctype, PTYPE_ALL_T|PTYPE_TYPE); + predefined_ctype("WCHAR", wchar_ctype, PTYPE_ALL_T|PTYPE_MIN|PTYPE_TYPE); + predefined_ctype("WINT", wint_ctype, PTYPE_ALL_T|PTYPE_MIN|PTYPE_TYPE); predefined_ctype("CHAR16", &ushort_ctype, PTYPE_TYPE); predefined_ctype("CHAR32", &uint_ctype, PTYPE_TYPE); |