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tools/nolibc: unistd: Add readlink()

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Add readlink(). This is needed to test getcwd().

Signed-off-by: Daniel Palmer <daniel@thingy.jp>
Acked-by: Willy Tarreau <w@1wt.eu>
Link: https://patch.msgid.link/20260702085101.3304547-3-daniel@thingy.jp
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
This commit is contained in:
Daniel Palmer 2026-07-02 17:51:00 +09:00 committed by Thomas Weißschuh
parent 0fbc34f028
commit 94518b77e1
1 changed files with 16 additions and 0 deletions
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16
tools/include/nolibc/unistd.h
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@ -128,6 +128,22 @@ int msleep(unsigned int msecs)
return 0;
}
/*
* ssize_t readlink(const char *path, char *buf, size_t bufsiz);
*/
static __attribute__((unused))
ssize_t _sys_readlink(const char *path, char *buf, size_t bufsiz)
{
return __nolibc_syscall4(__NR_readlinkat, AT_FDCWD, path, buf, bufsiz);
}
static __attribute__((unused))
ssize_t readlink(const char *path, char *buf, size_t bufsiz)
{
return __sysret(_sys_readlink(path, buf, bufsiz));
}
static __attribute__((unused))
unsigned int sleep(unsigned int seconds)
{