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[rk_env]: add default value to env_get function

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git-svn-id: https://10.10.10.66:8443/svn/MediaProcessPlatform/trunk/mpp@35 6e48237b-75ef-9749-8fc9-41990f28c85a
This commit is contained in:
ChenHengming
2015-08-05 08:46:46 +00:00
parent ef042eb9df
commit 1fe9a769fc
11 changed files with 106 additions and 64 deletions
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33
osal/linux/os_env.c
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@@ -16,33 +16,48 @@
#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 *val)
RK_S32 os_get_env_u32(const char *name, RK_U32 *value, RK_U32 default_value)
{
char *ptr = getenv(name);
*val = (RK_U32)atoi(ptr);
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, char **val)
RK_S32 os_get_env_str(const char *name, char **value, char *default_value)
{
*val = getenv(name);
return (*val)?(0):(-1);
*value = getenv(name);
if (NULL == *value) {
*value = default_value;
}
return 0;
}
RK_S32 os_set_env_u32(const char *name, RK_U32 val)
RK_S32 os_set_env_u32(const char *name, RK_U32 value)
{
char buf[ENV_BUF_SIZE_LINUX];
snprintf(buf, sizeof(buf), "%u", val);
snprintf(buf, sizeof(buf), "%u", value);
return setenv(name, buf, 1);
}
RK_S32 os_set_env_str(const char *name, char *val)
RK_S32 os_set_env_str(const char *name, char *value)
{
return setenv(name, val, 1);
return setenv(name, value, 1);
}