[libc] Mass replace enclosing namespace (#67032)

This is step 4 of
https://discourse.llvm.org/t/rfc-customizable-namespace-to-allow-testing-the-libc-when-the-system-libc-is-also-llvms-libc/73079

13 files changed, 37 insertions, 37 deletions

diff --git a/libc/src/spawn/file_actions.h b/libc/src/spawn/file_actions.h
index ee509a1e0ad9..7113256bf49c 100644
--- a/libc/src/spawn/file_actions.h
+++ b/libc/src/spawn/file_actions.h
@@ -12,7 +12,7 @@
 #include <spawn.h> // For mode_t
 #include <stdint.h>
 
-namespace __llvm_libc {
+namespace LIBC_NAMESPACE {
 
 struct BaseSpawnFileAction {
   enum ActionType {
@@ -67,6 +67,6 @@ struct SpawnFileDup2Action : public BaseSpawnFileAction {
         newfd(new_fdesc) {}
 };
 
-} // namespace __llvm_libc
+} // namespace LIBC_NAMESPACE
 
 #endif // LLVM_LIBC_SRC_SPAWN_FILE_ACTIONS_H
diff --git a/libc/src/spawn/linux/posix_spawn.cpp b/libc/src/spawn/linux/posix_spawn.cpp
index 44c79f9400a8..0a0467df4959 100644
--- a/libc/src/spawn/linux/posix_spawn.cpp
+++ b/libc/src/spawn/linux/posix_spawn.cpp
@@ -18,7 +18,7 @@
 #include <spawn.h>
 #include <sys/syscall.h> // For syscall numbers.
 
-namespace __llvm_libc {
+namespace LIBC_NAMESPACE {
 
 namespace {
 
@@ -27,9 +27,9 @@ pid_t fork() {
   // to avoid duplicating the complete stack from the parent. A new stack will
   // be created on exec anyway so duplicating the full stack is unnecessary.
 #ifdef SYS_fork
-  return __llvm_libc::syscall_impl<pid_t>(SYS_fork);
+  return LIBC_NAMESPACE::syscall_impl<pid_t>(SYS_fork);
 #elif defined(SYS_clone)
-  return __llvm_libc::syscall_impl<pid_t>(SYS_clone, SIGCHLD, 0);
+  return LIBC_NAMESPACE::syscall_impl<pid_t>(SYS_clone, SIGCHLD, 0);
 #else
 #error "fork or clone syscalls not available."
 #endif
@@ -37,10 +37,10 @@ pid_t fork() {
 
 cpp::optional<int> open(const char *path, int oflags, mode_t mode) {
 #ifdef SYS_open
-  int fd = __llvm_libc::syscall_impl<int>(SYS_open, path, oflags, mode);
+  int fd = LIBC_NAMESPACE::syscall_impl<int>(SYS_open, path, oflags, mode);
 #else
-  int fd =
-      __llvm_libc::syscall_impl<int>(SYS_openat, AT_FDCWD, path, oflags, mode);
+  int fd = LIBC_NAMESPACE::syscall_impl<int>(SYS_openat, AT_FDCWD, path, oflags,
+                                             mode);
 #endif
   if (fd > 0)
     return fd;
@@ -50,14 +50,14 @@ cpp::optional<int> open(const char *path, int oflags, mode_t mode) {
   return cpp::nullopt;
 }
 
-void close(int fd) { __llvm_libc::syscall_impl<long>(SYS_close, fd); }
+void close(int fd) { LIBC_NAMESPACE::syscall_impl<long>(SYS_close, fd); }
 
 // We use dup3 if dup2 is not available, similar to our implementation of dup2
 bool dup2(int fd, int newfd) {
 #ifdef SYS_dup2
-  int ret = __llvm_libc::syscall_impl<int>(SYS_dup2, fd, newfd);
+  int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_dup2, fd, newfd);
 #elif defined(SYS_dup3)
-  int ret = __llvm_libc::syscall_impl<int>(SYS_dup3, fd, newfd, 0);
+  int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_dup3, fd, newfd, 0);
 #else
 #error "dup2 and dup3 syscalls not available."
 #endif
@@ -68,8 +68,8 @@ bool dup2(int fd, int newfd) {
 // exit implementation which exits with code 127.
 void exit() {
   for (;;) {
-    __llvm_libc::syscall_impl<long>(SYS_exit_group, 127);
-    __llvm_libc::syscall_impl<long>(SYS_exit, 127);
+    LIBC_NAMESPACE::syscall_impl<long>(SYS_exit_group, 127);
+    LIBC_NAMESPACE::syscall_impl<long>(SYS_exit, 127);
   }
 }
 
@@ -117,7 +117,7 @@ void child_process(const char *__restrict path,
     }
   }
 
-  if (__llvm_libc::syscall_impl<long>(SYS_execve, path, argv, envp) < 0)
+  if (LIBC_NAMESPACE::syscall_impl<long>(SYS_execve, path, argv, envp) < 0)
     exit();
 }
 
@@ -145,4 +145,4 @@ LLVM_LIBC_FUNCTION(int, posix_spawn,
   return 0;
 }
 
-} // namespace __llvm_libc
+} // namespace LIBC_NAMESPACE
diff --git a/libc/src/spawn/posix_spawn.h b/libc/src/spawn/posix_spawn.h
index 721462701b25..354b94c2d2d7 100644
--- a/libc/src/spawn/posix_spawn.h
+++ b/libc/src/spawn/posix_spawn.h
@@ -11,13 +11,13 @@
 
 #include <spawn.h>
 
-namespace __llvm_libc {
+namespace LIBC_NAMESPACE {
 
 int posix_spawn(pid_t *__restrict pid, const char *__restrict path,
                 const posix_spawn_file_actions_t *file_actions,
                 const posix_spawnattr_t *__restrict attr,
                 char *const *__restrict argv, char *const *__restrict envp);
 
-} // namespace __llvm_libc
+} // namespace LIBC_NAMESPACE
 
 #endif // LLVM_LIBC_SRC_SPAWN_POSIX_SPAWN_H
diff --git a/libc/src/spawn/posix_spawn_file_actions_addclose.cpp b/libc/src/spawn/posix_spawn_file_actions_addclose.cpp
index 492c3e0b8bc1..9b3c4885dfd7 100644
--- a/libc/src/spawn/posix_spawn_file_actions_addclose.cpp
+++ b/libc/src/spawn/posix_spawn_file_actions_addclose.cpp
@@ -15,7 +15,7 @@
 #include <errno.h>
 #include <spawn.h>
 
-namespace __llvm_libc {
+namespace LIBC_NAMESPACE {
 
 LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_addclose,
                    (posix_spawn_file_actions_t *__restrict actions, int fd)) {
@@ -33,4 +33,4 @@ LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_addclose,
   return 0;
 }
 
-} // namespace __llvm_libc
+} // namespace LIBC_NAMESPACE
diff --git a/libc/src/spawn/posix_spawn_file_actions_addclose.h b/libc/src/spawn/posix_spawn_file_actions_addclose.h
index 5eda292760da..c84965180fa7 100644
--- a/libc/src/spawn/posix_spawn_file_actions_addclose.h
+++ b/libc/src/spawn/posix_spawn_file_actions_addclose.h
@@ -11,11 +11,11 @@
 
 #include <spawn.h>
 
-namespace __llvm_libc {
+namespace LIBC_NAMESPACE {
 
 int posix_spawn_file_actions_addclose(
     posix_spawn_file_actions_t *__restrict actions, int fd);
 
-} // namespace __llvm_libc
+} // namespace LIBC_NAMESPACE
 
 #endif // LLVM_LIBC_SRC_SPAWN_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE_H
diff --git a/libc/src/spawn/posix_spawn_file_actions_adddup2.cpp b/libc/src/spawn/posix_spawn_file_actions_adddup2.cpp
index ca18629ba683..caa558e2a9a5 100644
--- a/libc/src/spawn/posix_spawn_file_actions_adddup2.cpp
+++ b/libc/src/spawn/posix_spawn_file_actions_adddup2.cpp
@@ -15,7 +15,7 @@
 #include <errno.h>
 #include <spawn.h>
 
-namespace __llvm_libc {
+namespace LIBC_NAMESPACE {
 
 LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_adddup2,
                    (posix_spawn_file_actions_t * actions, int fd, int newfd)) {
@@ -33,4 +33,4 @@ LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_adddup2,
   return 0;
 }
 
-} // namespace __llvm_libc
+} // namespace LIBC_NAMESPACE
diff --git a/libc/src/spawn/posix_spawn_file_actions_adddup2.h b/libc/src/spawn/posix_spawn_file_actions_adddup2.h
index 33444184f973..7a7f3a5fb5bf 100644
--- a/libc/src/spawn/posix_spawn_file_actions_adddup2.h
+++ b/libc/src/spawn/posix_spawn_file_actions_adddup2.h
@@ -11,11 +11,11 @@
 
 #include <spawn.h>
 
-namespace __llvm_libc {
+namespace LIBC_NAMESPACE {
 
 int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *actions,
                                      int fd, int newfd);
 
-} // namespace __llvm_libc
+} // namespace LIBC_NAMESPACE
 
 #endif // LLVM_LIBC_SRC_SPAWN_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2_H
diff --git a/libc/src/spawn/posix_spawn_file_actions_addopen.cpp b/libc/src/spawn/posix_spawn_file_actions_addopen.cpp
index 3b12c8bbc17c..c544f04bd54a 100644
--- a/libc/src/spawn/posix_spawn_file_actions_addopen.cpp
+++ b/libc/src/spawn/posix_spawn_file_actions_addopen.cpp
@@ -15,7 +15,7 @@
 #include <errno.h>
 #include <spawn.h>
 
-namespace __llvm_libc {
+namespace LIBC_NAMESPACE {
 
 LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_addopen,
                    (posix_spawn_file_actions_t *__restrict actions, int fd,
@@ -34,4 +34,4 @@ LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_addopen,
   return 0;
 }
 
-} // namespace __llvm_libc
+} // namespace LIBC_NAMESPACE
diff --git a/libc/src/spawn/posix_spawn_file_actions_addopen.h b/libc/src/spawn/posix_spawn_file_actions_addopen.h
index ff757d42e514..121213abe50f 100644
--- a/libc/src/spawn/posix_spawn_file_actions_addopen.h
+++ b/libc/src/spawn/posix_spawn_file_actions_addopen.h
@@ -11,12 +11,12 @@
 
 #include <spawn.h>
 
-namespace __llvm_libc {
+namespace LIBC_NAMESPACE {
 
 int posix_spawn_file_actions_addopen(
     posix_spawn_file_actions_t *__restrict actions, int fd,
     const char *__restrict path, int oflag, mode_t mode);
 
-} // namespace __llvm_libc
+} // namespace LIBC_NAMESPACE
 
 #endif // LLVM_LIBC_SRC_SPAWN_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN_H
diff --git a/libc/src/spawn/posix_spawn_file_actions_destroy.cpp b/libc/src/spawn/posix_spawn_file_actions_destroy.cpp
index 7be531c67322..73e0ac828cd6 100644
--- a/libc/src/spawn/posix_spawn_file_actions_destroy.cpp
+++ b/libc/src/spawn/posix_spawn_file_actions_destroy.cpp
@@ -15,7 +15,7 @@
 #include <errno.h>
 #include <spawn.h>
 
-namespace __llvm_libc {
+namespace LIBC_NAMESPACE {
 
 LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_destroy,
                    (posix_spawn_file_actions_t * actions)) {
@@ -49,4 +49,4 @@ LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_destroy,
   return 0;
 }
 
-} // namespace __llvm_libc
+} // namespace LIBC_NAMESPACE
diff --git a/libc/src/spawn/posix_spawn_file_actions_destroy.h b/libc/src/spawn/posix_spawn_file_actions_destroy.h
index 89f3c55dd99b..28b9b05b9e79 100644
--- a/libc/src/spawn/posix_spawn_file_actions_destroy.h
+++ b/libc/src/spawn/posix_spawn_file_actions_destroy.h
@@ -11,10 +11,10 @@
 
 #include <spawn.h>
 
-namespace __llvm_libc {
+namespace LIBC_NAMESPACE {
 
 int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *actions);
 
-} // namespace __llvm_libc
+} // namespace LIBC_NAMESPACE
 
 #endif // LLVM_LIBC_SRC_SPAWN_POSIX_SPAWN_FILE_ACTIONS_DESTROY_H
diff --git a/libc/src/spawn/posix_spawn_file_actions_init.cpp b/libc/src/spawn/posix_spawn_file_actions_init.cpp
index 99502ff44962..04e5610c717c 100644
--- a/libc/src/spawn/posix_spawn_file_actions_init.cpp
+++ b/libc/src/spawn/posix_spawn_file_actions_init.cpp
@@ -12,7 +12,7 @@
 
 #include <spawn.h>
 
-namespace __llvm_libc {
+namespace LIBC_NAMESPACE {
 
 LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_init,
                    (posix_spawn_file_actions_t * actions)) {
@@ -21,4 +21,4 @@ LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_init,
   return 0;
 }
 
-} // namespace __llvm_libc
+} // namespace LIBC_NAMESPACE
diff --git a/libc/src/spawn/posix_spawn_file_actions_init.h b/libc/src/spawn/posix_spawn_file_actions_init.h
index da354e1b0eba..d7b228fff08d 100644
--- a/libc/src/spawn/posix_spawn_file_actions_init.h
+++ b/libc/src/spawn/posix_spawn_file_actions_init.h
@@ -11,10 +11,10 @@
 
 #include <spawn.h>
 
-namespace __llvm_libc {
+namespace LIBC_NAMESPACE {
 
 int posix_spawn_file_actions_init(posix_spawn_file_actions_t *actions);
 
-} // namespace __llvm_libc
+} // namespace LIBC_NAMESPACE
 
 #endif // LLVM_LIBC_SRC_SPAWN_POSIX_SPAWN_FILE_ACTIONS_INIT_H