Files
mpp/osal/linux/os_env.c
Herman Chen ca061993ef refactor[osal]: Refactor C++ osal file to C
1. Refactor osal cpp files to c.
2. Update osal license to Apache-2.0 OR MIT.
3. Remove windows support.

Signed-off-by: Herman Chen <herman.chen@rock-chips.com>
Change-Id: Ic5545d861676880f7a6247515404d585cd4fcef5
2025-09-02 17:49:14 +08:00

54 lines
1.2 KiB
C

/* SPDX-License-Identifier: Apache-2.0 OR MIT */
/*
* Copyright (c) 2015 Rockchip Electronics Co., Ltd.
*/
#if defined(linux) && !defined(__ANDROID__)
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include "os_env.h"
#define ENV_BUF_SIZE_LINUX 1024
RK_S32 os_get_env_u32(const char *name, RK_U32 *value, RK_U32 default_value)
{
char *ptr = getenv(name);
if (NULL == ptr) {
*value = default_value;
} else {
char *endptr;
int base = (ptr[0] == '0' && ptr[1] == 'x') ? (16) : (10);
errno = 0;
*value = strtoul(ptr, &endptr, base);
if (errno || (ptr == endptr)) {
errno = 0;
*value = default_value;
}
}
return 0;
}
RK_S32 os_get_env_str(const char *name, const char **value, const char *default_value)
{
*value = getenv(name);
if (NULL == *value) {
*value = default_value;
}
return 0;
}
RK_S32 os_set_env_u32(const char *name, RK_U32 value)
{
char buf[ENV_BUF_SIZE_LINUX];
snprintf(buf, sizeof(buf) - 1, "%u", value);
return setenv(name, buf, 1);
}
RK_S32 os_set_env_str(const char *name, char *value)
{
return setenv(name, value, 1);
}
#endif