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shared/exit-status: add exit_status_from_string()

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This commit is contained in:
Zbigniew Jędrzejewski-Szmek
2019-07-28 10:19:53 +02:00
parent e1714f0250
commit f0d67dcddd
3 changed files with 33 additions and 0 deletions
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17
src/shared/exit-status.c
View File

@@ -6,7 +6,9 @@
#include "exit-status.h"
#include "macro.h"
#include "parse-util.h"
#include "set.h"
#include "string-util.h"
const ExitStatusMapping exit_status_mappings[256] = {
/* Exit status ranges:
@@ -117,6 +119,21 @@ const char* exit_status_class(int code) {
}
}
int exit_status_from_string(const char *s) {
uint8_t val;
int r;
for (size_t i = 0; i < ELEMENTSOF(exit_status_mappings); i++)
if (streq_ptr(s, exit_status_mappings[i].name))
return i;
r = safe_atou8(s, &val);
if (r < 0)
return r;
return val;
}
bool is_clean_exit(int code, int status, ExitClean clean, ExitStatusSet *success_status) {
if (code == CLD_EXITED)
return status == 0 ||

1
src/shared/exit-status.h
View File

@@ -89,6 +89,7 @@ typedef struct ExitStatusSet {
const char* exit_status_to_string(int code, ExitStatusClass class) _const_;
const char* exit_status_class(int code) _const_;
int exit_status_from_string(const char *s) _pure_;
typedef struct ExitStatusMapping {
const char *name;

15
src/test/test-exit-status.c
View File

@@ -14,13 +14,28 @@ static void test_exit_status_to_string(void) {
log_info("%d: %s%s%s%s",
i, s ?: "-",
class ? " (" : "", class ?: "", class ? ")" : "");
if (s)
assert_se(exit_status_from_string(s) == i);
}
}
static void test_exit_status_from_string(void) {
log_info("/* %s */", __func__);
assert_se(exit_status_from_string("11") == 11);
assert_se(exit_status_from_string("-1") == -ERANGE);
assert_se(exit_status_from_string("256") == -ERANGE);
assert_se(exit_status_from_string("foo") == -EINVAL);
assert_se(exit_status_from_string("SUCCESS") == 0);
assert_se(exit_status_from_string("FAILURE") == 1);
}
int main(int argc, char *argv[]) {
test_setup_logging(LOG_DEBUG);
test_exit_status_to_string();
test_exit_status_from_string();
return 0;
}