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-rw-r--r--bits/select.h23
1 files changed, 18 insertions, 5 deletions
diff --git a/bits/select.h b/bits/select.h
index 98f1002b01..f886aec210 100644
--- a/bits/select.h
+++ b/bits/select.h
@@ -23,13 +23,26 @@
/* We don't use `memset' because this would require a prototype and
the array isn't too big. */
-#define __FD_ZERO(set) \
+#ifdef __USE_XOPEN
+# define __FD_ZERO(s) \
do { \
unsigned int __i; \
- __fd_set *__arr = (set); \
+ __fd_set *__arr = (s); \
for (__i = 0; __i < sizeof (__fd_set) / sizeof (__fd_mask); ++__i) \
__arr->fds_bits[__i] = '\0'; \
} while (0)
-#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d))
-#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
-#define __FD_ISSET(d, set) (((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
+# define __FD_SET(d, s) ((s)->fds_bits[__FDELT(d)] |= __FDMASK(d))
+# define __FD_CLR(d, s) ((s)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
+# define __FD_ISSET(d, s) (((s)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
+#else
+# define __FD_ZERO(s) \
+ do { \
+ unsigned int __i; \
+ __fd_set *__arr = (s); \
+ for (__i = 0; __i < sizeof (__fd_set) / sizeof (__fd_mask); ++__i) \
+ __arr->__fds_bits[__i] = '\0'; \
+ } while (0)
+# define __FD_SET(d, s) ((s)->__fds_bits[__FDELT(d)] |= __FDMASK(d))
+# define __FD_CLR(d, s) ((s)->__fds_bits[__FDELT(d)] &= ~__FDMASK(d))
+# define __FD_ISSET(d, s) (((s)->__fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
+#endif