tools/include/nolibc/errno.h

Source file repositories/reference/linux-study-clean/tools/include/nolibc/errno.h

File Facts

System
Linux kernel
Corpus path
tools/include/nolibc/errno.h
Extension
.h
Size
871 bytes
Lines
33
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#include "nolibc.h"

#ifndef _NOLIBC_ERRNO_H
#define _NOLIBC_ERRNO_H

#include <linux/errno.h>

#ifndef NOLIBC_IGNORE_ERRNO
#define SET_ERRNO(v) do { errno = (v); } while (0)
int errno __attribute__((weak));
char *program_invocation_name __attribute__((weak)) = (char *)"";
char *program_invocation_short_name __attribute__((weak)) = (char *)"";
#else
#define SET_ERRNO(v) do { } while (0)
#define program_invocation_name ""
#define program_invocation_short_name ""
#endif


/* errno codes all ensure that they will not conflict with a valid pointer
 * because they all correspond to the highest addressable memory page.
 */
#define MAX_ERRNO 4095

#endif /* _NOLIBC_ERRNO_H */

Annotation

Implementation Notes