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recovery: rework is_dualboot_enabled() function 

- The function is only used internally in this file, so make it static.
- Convert the function from 'int' to 'bool', since no other values are
  evaluated.
- Only return true if the variable 'dualboot' is set to 'yes'. Before,
  the function returned true if 'dualboot' was different than 'no'.

Signed-off-by: Hector Palacios <hector.palacios@digi.com>
(cherry picked from commit 9a519570ba)
This commit is contained in:
Hector Palacios 2021-08-25 12:11:59 +02:00
parent 53759cd29c
commit 846bccc8bf
2 changed files with 27 additions and 36 deletions
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7
meta-digi-dey/recipes-core/recovery/recovery-utils/recovery-utils/include/recovery.h
View File

@ -70,11 +70,4 @@ int set_encryption_key(char *key, unsigned char force);
*/ */
int encrypt_partitions(char *to_encrypt, char *to_unencrypt, unsigned char force); int encrypt_partitions(char *to_encrypt, char *to_unencrypt, unsigned char force);
/*
* Check if device has dualboot enabled.
*
* Return: 1 if enabled and 0 if disabled, -1 on error when reading the environment
*/
int is_dualboot_enabled(void);
#endif /* RECOVERY_H */ #endif /* RECOVERY_H */

56
meta-digi-dey/recipes-core/recovery/recovery-utils/recovery-utils/lib/recovery.c
View File

@ -19,6 +19,7 @@
#define _GNU_SOURCE /* For GNU version of basename */ #define _GNU_SOURCE /* For GNU version of basename */
#include <stdbool.h>
#include <stdint.h> #include <stdint.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
@ -72,6 +73,32 @@ static char *emmc_parts_blacklist[] = {
static char *rootfs[] = { "rootfs", NULL }; static char *rootfs[] = { "rootfs", NULL };
/*
* Function: is_device_closed
* Description: check if the device is in dualboot mode
*/
static bool is_dualboot_enabled(void)
{
const char *var;
bool ret = false;
/* Parse dualboot */
if (uboot_getenv("dualboot", &var)) {
fprintf(stderr, "Error: getenv 'dualboot'\n");
return false;
}
/* Consider dualboot not enabled if variable doesn't exist */
if (!var)
return false;
/* Is dualboot enabled */
if (!strcmp(var, "yes"))
ret = true;
return ret;
}
/* /*
* Function: append_recovery_command * Function: append_recovery_command
* Description: append configuration to the 'recovery_command' variable * Description: append configuration to the 'recovery_command' variable
@ -961,32 +988,3 @@ err:
return ret < 0 ? -1 : ret; return ret < 0 ? -1 : ret;
} }
/*
* Function: is_device_closed
* Description: check if the device is in dualboot mode
*/
int is_dualboot_enabled (void)
{
const char *var;
int ret;
/* Parse dualboot */
ret = uboot_getenv("dualboot", &var);
if (ret) {
fprintf(stderr, "Error: getenv 'dualboot'\n");
return 0;
}
/* Consider dualboot not enabled if variable doesn't exist */
if (!var)
return 0;
/* Is dualboot enabled */
if (!strcmp(var, "no"))
ret = 0;
else
ret = 1;
return ret;
}