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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
commit8c1ab65c0f548d20b7f177bdb736daaf603340e1 (patch)
treedf55b7e75bf43f2bf500845b105afe3ac3a5157e /libc-top-half/musl/src/conf/fpathconf.c
parentInitial commit. (diff)
downloadwasi-libc-upstream/0.0_git20221206.8b7148f.tar.xz
wasi-libc-upstream/0.0_git20221206.8b7148f.zip
Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libc-top-half/musl/src/conf/fpathconf.c')
-rw-r--r--libc-top-half/musl/src/conf/fpathconf.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/conf/fpathconf.c b/libc-top-half/musl/src/conf/fpathconf.c
new file mode 100644
index 0000000..058b62a
--- /dev/null
+++ b/libc-top-half/musl/src/conf/fpathconf.c
@@ -0,0 +1,39 @@
+#include <unistd.h>
+#include <limits.h>
+#include <errno.h>
+
+long fpathconf(int fd, int name)
+{
+ static const short values[] = {
+ [_PC_LINK_MAX] = _POSIX_LINK_MAX,
+ [_PC_MAX_CANON] = _POSIX_MAX_CANON,
+ [_PC_MAX_INPUT] = _POSIX_MAX_INPUT,
+ [_PC_NAME_MAX] = NAME_MAX,
+ [_PC_PATH_MAX] = PATH_MAX,
+#ifdef __wasilibc_unmodified_upstream // WASI has no pipes
+ [_PC_PIPE_BUF] = PIPE_BUF,
+#else
+ [_PC_PIPE_BUF] = -1,
+#endif
+ [_PC_CHOWN_RESTRICTED] = 1,
+ [_PC_NO_TRUNC] = 1,
+ [_PC_VDISABLE] = 0,
+ [_PC_SYNC_IO] = 1,
+ [_PC_ASYNC_IO] = -1,
+ [_PC_PRIO_IO] = -1,
+ [_PC_SOCK_MAXBUF] = -1,
+ [_PC_FILESIZEBITS] = FILESIZEBITS,
+ [_PC_REC_INCR_XFER_SIZE] = 4096,
+ [_PC_REC_MAX_XFER_SIZE] = 4096,
+ [_PC_REC_MIN_XFER_SIZE] = 4096,
+ [_PC_REC_XFER_ALIGN] = 4096,
+ [_PC_ALLOC_SIZE_MIN] = 4096,
+ [_PC_SYMLINK_MAX] = -1,
+ [_PC_2_SYMLINKS] = 1
+ };
+ if (name >= sizeof(values)/sizeof(values[0])) {
+ errno = EINVAL;
+ return -1;
+ }
+ return values[name];
+}