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(__getgroups): Fix the error condition check for the return value of getgroups32.

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This commit is contained in:
Ulrich Drepper
2003-03-26 18:15:57 +00:00
parent 441ee04334
commit da058e4542
3 changed files with 16 additions and 5 deletions
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4
sysdeps/unix/sysdep.h
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@ -47,8 +47,8 @@
#ifndef PSEUDO_END #ifndef PSEUDO_END
#define PSEUDO_END(sym) #define PSEUDO_END(sym)
#endif #endif
#ifndef PSEUDO_END_NOENTRY #ifndef PSEUDO_END_NOERRNO
#define PSEUDO_END_NOENTRY(sym) #define PSEUDO_END_NOERRNO(sym) PSEUDO_END(sym)
#endif #endif
/* Wrappers around system calls should normally inline the system call code. /* Wrappers around system calls should normally inline the system call code.

6
sysdeps/unix/sysv/linux/i386/getgroups.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 2000, 2001 Free Software Foundation, Inc. /* Copyright (C) 1997, 1998, 2000, 2001, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -36,7 +36,7 @@ extern int __syscall_getgroups32 (int, __kernel_gid32_t *__unbounded);
# if __ASSUME_32BITUIDS == 0 # if __ASSUME_32BITUIDS == 0
/* This variable is shared with all files that need to check for 32bit /* This variable is shared with all files that need to check for 32bit
uids. */ uids. */
extern int __libc_missing_32bit_uids; extern int __libc_missing_32bit_uids attribute_hidden;
# endif # endif
#endif /* __NR_getgroups32 */ #endif /* __NR_getgroups32 */
@ -64,7 +64,7 @@ __getgroups (int n, gid_t *groups)
int saved_errno = errno; int saved_errno = errno;
result = INLINE_SYSCALL (getgroups32, 2, n, CHECK_N (groups, n)); result = INLINE_SYSCALL (getgroups32, 2, n, CHECK_N (groups, n));
if (result == 0 || errno != ENOSYS) if (result != -1 || errno != ENOSYS)
return result; return result;
__set_errno (saved_errno); __set_errno (saved_errno);

11
sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
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@ -35,6 +35,7 @@
/* Linux/SPARC uses a different trap number */ /* Linux/SPARC uses a different trap number */
#undef PSEUDO #undef PSEUDO
#undef PSEUDO_NOERRNO
#undef ENTRY #undef ENTRY
#define ENTRY(name) \ #define ENTRY(name) \
@ -101,10 +102,20 @@ SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler) \
nop; \ nop; \
SYSCALL_ERROR_HANDLER SYSCALL_ERROR_HANDLER
#define PSEUDO_NOERRNO(name, syscall_name, args) \
.text; \
ENTRY(name); \
LOADSYSCALL(syscall_name); \
ta 0x6d
#undef PSEUDO_END #undef PSEUDO_END
#define PSEUDO_END(name) \ #define PSEUDO_END(name) \
.size name,.-name .size name,.-name
#undef PSEUDO_END_NOERRNO
#define PSEUDO_END_NOERRNO(name) \
.size name,.-name
#undef END #undef END
#define END(name) \ #define END(name) \
.size name,.-name .size name,.-name