15263807472

/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include <unistd.h>

#include "env-util.h"
#include "errno-util.h"
#include "initrd-util.h"
#include "log.h"

static int saved_in_initrd = -1;

bool in_initrd(void) {
        int r;

        if (saved_in_initrd >= 0)
                return saved_in_initrd;

        /* If /etc/initrd-release exists, we're in an initrd.
         * This can be overridden by setting SYSTEMD_IN_INITRD=0|1.
         */

        r = secure_getenv_bool("SYSTEMD_IN_INITRD");
        if (r < 0 && r != -ENXIO)
                log_debug_errno(r, "Failed to parse $SYSTEMD_IN_INITRD, ignoring: %m");

        if (r >= 0)
                saved_in_initrd = r > 0;
        else {
                r = RET_NERRNO(access("/etc/initrd-release", F_OK));
                if (r < 0 && r != -ENOENT)
                        log_debug_errno(r, "Failed to check if /etc/initrd-release exists, assuming it does not: %m");
                saved_in_initrd = r >= 0;
        }

        return saved_in_initrd;
}

void in_initrd_force(bool value) {
        saved_in_initrd = value;
}

1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3	#include <unistd.h>
4
5	#include "env-util.h"
6	#include "errno-util.h"
7	#include "initrd-util.h"
8	#include "log.h"
9
10	static int saved_in_initrd = -1;
11
12	bool in_initrd(void) {	1,316,612✔
13	int r;	1,316,612✔
14
15	if (saved_in_initrd >= 0)	1,316,612✔
16	return saved_in_initrd;	1,314,206✔
17
18	/* If /etc/initrd-release exists, we're in an initrd.
19	* This can be overridden by setting SYSTEMD_IN_INITRD=0\|1.
20	*/
21
22	r = secure_getenv_bool("SYSTEMD_IN_INITRD");	2,406✔
23	if (r < 0 && r != -ENXIO)	2,406✔
UNCOV 24	log_debug_errno(r, "Failed to parse $SYSTEMD_IN_INITRD, ignoring: %m");	×
25
26	if (r >= 0)	2,406✔
27	saved_in_initrd = r > 0;	47✔
28	else {
29	r = RET_NERRNO(access("/etc/initrd-release", F_OK));	2,359✔
30	if (r < 0 && r != -ENOENT)	2,359✔
UNCOV 31	log_debug_errno(r, "Failed to check if /etc/initrd-release exists, assuming it does not: %m");	×
32	saved_in_initrd = r >= 0;	2,359✔
33	}
34
35	return saved_in_initrd;	2,406✔
36	}
37
38	void in_initrd_force(bool value) {	4✔
39	saved_in_initrd = value;	4✔
40	}	4✔

systemd / systemd / 15263807472

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