[klibc] add kerrno.h

3 files changed, 140 insertions, 0 deletions

diff --git a/include/klibc/kerrno.h b/include/klibc/kerrno.h
new file mode 100644
index 0000000000..2f7699923f
--- /dev/null
+++ b/include/klibc/kerrno.h
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2024-09-22     Meco Man     the first version
+ */
+
+#ifndef __RT_KERRNO_H__
+#define __RT_KERRNO_H__
+
+#include <rtconfig.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(RT_USING_LIBC) && !defined(RT_USING_NANO)
+/* POSIX error code compatible */
+#define RT_EOK                          0               /**< There is no error */
+#define RT_ERROR                        255             /**< A generic/unknown error happens */
+#define RT_ETIMEOUT                     ETIMEDOUT       /**< Timed out */
+#define RT_EFULL                        ENOSPC          /**< The resource is full */
+#define RT_EEMPTY                       ENODATA         /**< The resource is empty */
+#define RT_ENOMEM                       ENOMEM          /**< No memory */
+#define RT_ENOSYS                       ENOSYS          /**< Function not implemented */
+#define RT_EBUSY                        EBUSY           /**< Busy */
+#define RT_EIO                          EIO             /**< IO error */
+#define RT_EINTR                        EINTR           /**< Interrupted system call */
+#define RT_EINVAL                       EINVAL          /**< Invalid argument */
+#define RT_ENOENT                       ENOENT          /**< No entry */
+#define RT_ENOSPC                       ENOSPC          /**< No space left */
+#define RT_EPERM                        EPERM           /**< Operation not permitted */
+#define RT_EFAULT                       EFAULT          /**< Bad address */
+#define RT_ENOBUFS                      ENOBUFS         /**< No buffer space is available */
+#define RT_ESCHEDISR                    253             /**< scheduler failure in isr context */
+#define RT_ESCHEDLOCKED                 252             /**< scheduler failure in critical region */
+#define RT_ETRAP                        254             /**< Trap event */
+#else
+#define RT_EOK                          0               /**< There is no error */
+#define RT_ERROR                        1               /**< A generic/unknown error happens */
+#define RT_ETIMEOUT                     2               /**< Timed out */
+#define RT_EFULL                        3               /**< The resource is full */
+#define RT_EEMPTY                       4               /**< The resource is empty */
+#define RT_ENOMEM                       5               /**< No memory */
+#define RT_ENOSYS                       6               /**< Function not implemented */
+#define RT_EBUSY                        7               /**< Busy */
+#define RT_EIO                          8               /**< IO error */
+#define RT_EINTR                        9               /**< Interrupted system call */
+#define RT_EINVAL                       10              /**< Invalid argument */
+#define RT_ENOENT                       11              /**< No entry */
+#define RT_ENOSPC                       12              /**< No space left */
+#define RT_EPERM                        13              /**< Operation not permitted */
+#define RT_ETRAP                        14              /**< Trap event */
+#define RT_EFAULT                       15              /**< Bad address */
+#define RT_ENOBUFS                      16              /**< No buffer space is available */
+#define RT_ESCHEDISR                    17              /**< scheduler failure in isr context */
+#define RT_ESCHEDLOCKED                 18              /**< scheduler failure in critical region */
+#endif /* defined(RT_USING_LIBC) && !defined(RT_USING_NANO) */
+
+rt_err_t rt_get_errno(void);
+void rt_set_errno(rt_err_t no);
+int *_rt_errno(void);
+const char *rt_strerror(rt_err_t error);
+#if !defined(RT_USING_NEWLIBC) && !defined(_WIN32)
+#ifndef errno
+#define errno    *_rt_errno()
+#endif
+#endif /* !defined(RT_USING_NEWLIBC) && !defined(_WIN32) */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/include/klibc/kstdio.h b/include/klibc/kstdio.h
new file mode 100644
index 0000000000..215e9a9245
--- /dev/null
+++ b/include/klibc/kstdio.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2024-09-22     Meco Man     the first version
+ */
+
+#ifndef __RT_KSTDIO_H__
+#define __RT_KSTDIO_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int rt_vsprintf(char *dest, const char *format, va_list arg_ptr);
+int rt_vsnprintf(char *buf, rt_size_t size, const char *fmt, va_list args);
+int rt_sprintf(char *buf, const char *format, ...);
+int rt_snprintf(char *buf, rt_size_t size, const char *format, ...);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/include/klibc/kstring.h b/include/klibc/kstring.h
new file mode 100644
index 0000000000..48fbe60091
--- /dev/null
+++ b/include/klibc/kstring.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (c) 2006-2024, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2024-09-22     Meco Man     the first version
+ */
+
+#ifndef __RT_KSTRING_H__
+#define __RT_KSTRING_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void *rt_memset(void *src, int c, rt_ubase_t n);
+void *rt_memcpy(void *dest, const void *src, rt_ubase_t n);
+void *rt_memmove(void *dest, const void *src, rt_size_t n);
+rt_int32_t rt_memcmp(const void *cs, const void *ct, rt_size_t count);
+char *rt_strdup(const char *s);
+rt_size_t rt_strnlen(const char *s, rt_ubase_t maxlen);
+char *rt_strstr(const char *str1, const char *str2);
+rt_int32_t rt_strcasecmp(const char *a, const char *b);
+char *rt_strcpy(char *dst, const char *src);
+char *rt_strncpy(char *dest, const char *src, rt_size_t n);
+rt_int32_t rt_strncmp(const char *cs, const char *ct, rt_size_t count);
+rt_int32_t rt_strcmp(const char *cs, const char *ct);
+rt_size_t rt_strlen(const char *src);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif