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setpriv: factor out capability name printing

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2017-07-07 16:09:45 +02:00
parent cf5748cc89
commit 2bfe7838ab
1 changed files with 16 additions and 18 deletions
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34
util-linux/setpriv.c
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@ -291,6 +291,19 @@ static void set_ambient_caps(char *string)
#endif /* FEATURE_SETPRIV_CAPABILITIES */
#if ENABLE_FEATURE_SETPRIV_DUMP
# if ENABLE_FEATURE_SETPRIV_CAPABILITY_NAMES
static void printf_cap(const char *pfx, unsigned cap_no)
{
if (cap_no < ARRAY_SIZE(capabilities)) {
printf("%s%s", pfx, capabilities[cap_no]);
return;
}
printf("%scap_%u", pfx, cap_no);
}
# else
# define printf_cap(pfx, cap_no) printf("%scap_%u", (pfx), (cap_no))
# endif
static int dump(void)
{
IF_FEATURE_SETPRIV_CAPABILITIES(struct caps caps;)
@ -337,12 +350,7 @@ static int dump(void)
bb_error_msg_and_die("unsupported capability");
}
if (caps.data[idx].inheritable & CAP_TO_MASK(i)) {
# if ENABLE_FEATURE_SETPRIV_CAPABILITY_NAMES
if (i < ARRAY_SIZE(capabilities))
printf("%s%s", fmt, capabilities[i]);
else
# endif
printf("%scap_%u", fmt, i);
printf_cap(fmt, i);
fmt = ",";
}
}
@ -356,12 +364,7 @@ static int dump(void)
if (ret < 0)
bb_perror_msg_and_die("prctl: %s", "CAP_AMBIENT_IS_SET");
if (ret) {
# if ENABLE_FEATURE_SETPRIV_CAPABILITY_NAMES
if (i < ARRAY_SIZE(capabilities))
printf("%s%s", fmt, capabilities[i]);
else
# endif
printf("%scap_%u", fmt, i);
printf_cap(fmt, i);
fmt = ",";
}
}
@ -377,12 +380,7 @@ static int dump(void)
if (ret < 0)
bb_perror_msg_and_die("prctl: %s", "CAPBSET_READ");
if (ret) {
# if ENABLE_FEATURE_SETPRIV_CAPABILITY_NAMES
if (i < ARRAY_SIZE(capabilities))
printf("%s%s", fmt, capabilities[i]);
else
# endif
printf("%scap_%u", fmt, i);
printf_cap(fmt, i);
fmt = ",";
}
}