void
ruby_set_debug_option(const char *str)
{
const char *end;
int len;
if (!str) return;
for (; *str; str = end) {
while (ISSPACE(*str) || *str == ',') str++;
if (!*str) break;
end = str;
while (*end && !ISSPACE(*end) && *end != ',') end++;
len = end - str;
#define SET_WHEN(name, var) \
if (len == sizeof(name) - 1 && \
strncmp(str, name, len) == 0) { \
extern int ruby_##var; \
ruby_##var = 1; \
continue; \
}
SET_WHEN("gc_stress", gc_stress);
SET_WHEN("core", enable_coredump);
fprintf(stderr, "unexpected debug option: %.*s\n", len, str);
}
}
static void
set_debug_option(const char *str, int len, void *arg)
{
#define SET_WHEN(name, var) do { \
if (len == sizeof(name) - 1 && \
strncmp(str, name, len) == 0) { \
extern int var; \
var = 1; \
return; \
} \
} while (0)
SET_WHEN("gc_stress", *ruby_initial_gc_stress_ptr);
SET_WHEN("core", ruby_enable_coredump);
fprintf(stderr, "unexpected debug option: %.*s\n", len, str);
}
