diff options
Diffstat (limited to 'main/musl/0003-add-NFDBITS-in-sys-select.h-with-appropriate-feature.patch')
| -rw-r--r-- | main/musl/0003-add-NFDBITS-in-sys-select.h-with-appropriate-feature.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/main/musl/0003-add-NFDBITS-in-sys-select.h-with-appropriate-feature.patch b/main/musl/0003-add-NFDBITS-in-sys-select.h-with-appropriate-feature.patch new file mode 100644 index 0000000000..dc5cc287e4 --- /dev/null +++ b/main/musl/0003-add-NFDBITS-in-sys-select.h-with-appropriate-feature.patch @@ -0,0 +1,30 @@ +From ca9aff6a1646c7fc106bfbb9399b3a1bcb14f18b Mon Sep 17 00:00:00 2001 +From: Rich Felker <dalias@aerifal.cx> +Date: Sat, 6 Jul 2013 01:12:28 -0400 +Subject: [PATCH] add NFDBITS in sys/select.h with appropriate feature tests + +the main use for this macro seems to be knowing the correct allocation +granularity for dynamic-sized fd_set objects. such usage is +non-conforming and results in undefined behavior, but it is widespread +in applications. +--- + include/sys/select.h | 3 +++ + 1 file changed, 3 insertions(+) + +diff --git a/include/sys/select.h b/include/sys/select.h +index c5a2877..e25257d 100644 +--- a/include/sys/select.h ++++ b/include/sys/select.h +@@ -32,6 +32,9 @@ typedef struct + int select (int, fd_set *__restrict, fd_set *__restrict, fd_set *__restrict, struct timeval *__restrict); + int pselect (int, fd_set *__restrict, fd_set *__restrict, fd_set *__restrict, const struct timespec *__restrict, const sigset_t *__restrict); + ++#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) ++#define NFDBITS (8*(int)sizeof(long)) ++#endif + + #ifdef __cplusplus + } +-- +1.8.3.2 + |