Add a diff note about execv* mutability changes

Changed in e77f551 ("Change prototypes for exec* function to match
headers.")

src/fuchsia/mod.rs

@@ -3809,13 +3809,16 @@ extern "C" {
     pub fn execl(path: *const c_char, arg0: *const c_char, ...) -> ::c_int;
     pub fn execle(path: *const ::c_char, arg0: *const ::c_char, ...) -> ::c_int;
     pub fn execlp(file: *const ::c_char, arg0: *const ::c_char, ...) -> ::c_int;
+
+    // DIFF(main): changed to `*const *mut` in e77f551de9
     pub fn execv(prog: *const c_char, argv: *const *const c_char) -> ::c_int;
     pub fn execve(
         prog: *const c_char,
         argv: *const *const c_char,
         envp: *const *const c_char,
     ) -> ::c_int;
     pub fn execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int;
+
     pub fn fork() -> pid_t;
     pub fn fpathconf(filedes: ::c_int, name: ::c_int) -> c_long;
     pub fn getcwd(buf: *mut c_char, size: ::size_t) -> *mut c_char;
@@ -4155,6 +4158,8 @@ extern "C" {
         termp: *const termios,
         winp: *const ::winsize,
     ) -> ::c_int;
+
+    // DIFF(main): changed to `*const *mut` in e77f551de9
     pub fn execvpe(
         file: *const ::c_char,
         argv: *const *const ::c_char,

src/unix/aix/mod.rs

@@ -2812,11 +2812,14 @@ extern "C" {
     ) -> ::c_int;
     pub fn fattach(fildes: ::c_int, path: *const ::c_char) -> ::c_int;
     pub fn fdatasync(fd: ::c_int) -> ::c_int;
+
+    // DIFF(main): changed to `*const *mut` in e77f551de9
     pub fn fexecve(
         fd: ::c_int,
         argv: *const *const ::c_char,
         envp: *const *const ::c_char,
     ) -> ::c_int;
+
     pub fn ffs(value: ::c_int) -> ::c_int;
     pub fn ffsl(value: ::c_long) -> ::c_int;
     pub fn ffsll(value: ::c_longlong) -> ::c_int;

src/unix/bsd/freebsdlike/mod.rs

@@ -1530,11 +1530,14 @@ extern "C" {
     pub fn duplocale(base: ::locale_t) -> ::locale_t;
     pub fn endutxent();
     pub fn fchflags(fd: ::c_int, flags: ::c_ulong) -> ::c_int;
+
+    // DIFF(main): changed to `*const *mut` in e77f551de9
     pub fn fexecve(
         fd: ::c_int,
         argv: *const *const ::c_char,
         envp: *const *const ::c_char,
     ) -> ::c_int;
+
     pub fn futimens(fd: ::c_int, times: *const ::timespec) -> ::c_int;
     pub fn getdomainname(name: *mut ::c_char, len: ::c_int) -> ::c_int;
     pub fn getgrent_r(

src/unix/bsd/netbsdlike/mod.rs

@@ -755,11 +755,14 @@ extern "C" {
     pub fn shmat(shmid: ::c_int, shmaddr: *const ::c_void, shmflg: ::c_int) -> *mut ::c_void;
     pub fn shmdt(shmaddr: *const ::c_void) -> ::c_int;
     pub fn shmctl(shmid: ::c_int, cmd: ::c_int, buf: *mut ::shmid_ds) -> ::c_int;
+
+    // DIFF(main): changed to `*const *mut` in e77f551de9
     pub fn execvpe(
         file: *const ::c_char,
         argv: *const *const ::c_char,
         envp: *const *const ::c_char,
     ) -> ::c_int;
+
     pub fn waitid(
         idtype: idtype_t,
         id: ::id_t,

src/unix/haiku/mod.rs

@@ -1842,11 +1842,14 @@ extern "C" {
 
     pub fn sendmsg(fd: ::c_int, msg: *const ::msghdr, flags: ::c_int) -> ::ssize_t;
     pub fn recvmsg(fd: ::c_int, msg: *mut ::msghdr, flags: ::c_int) -> ::ssize_t;
+
+    // DIFF(main): changed to `*const *mut` in e77f551de9
     pub fn execvpe(
         file: *const ::c_char,
         argv: *const *const ::c_char,
         environment: *const *const ::c_char,
     ) -> ::c_int;
+
     pub fn getgrgid_r(
         gid: ::gid_t,
         grp: *mut ::group,

src/unix/hurd/mod.rs

@@ -4209,6 +4209,8 @@ extern "C" {
         envp: *const *mut c_char,
         flags: ::c_int,
     ) -> ::c_int;
+
+    // DIFF(main): changed to `*const *mut` in e77f551de9
     pub fn execvpe(
         file: *const ::c_char,
         argv: *const *const ::c_char,

src/unix/linux_like/mod.rs

@@ -1753,6 +1753,8 @@ extern "C" {
         rusage: *mut ::rusage,
     ) -> ::pid_t;
     pub fn login_tty(fd: ::c_int) -> ::c_int;
+
+    // DIFF(main): changed to `*const *mut` in e77f551de9
     pub fn execvpe(
         file: *const ::c_char,
         argv: *const *const ::c_char,
@@ -1763,6 +1765,7 @@ extern "C" {
         argv: *const *const ::c_char,
         envp: *const *const ::c_char,
     ) -> ::c_int;
+
     pub fn getifaddrs(ifap: *mut *mut ::ifaddrs) -> ::c_int;
     pub fn freeifaddrs(ifa: *mut ::ifaddrs);
     pub fn bind(socket: ::c_int, address: *const ::sockaddr, address_len: ::socklen_t) -> ::c_int;

src/unix/mod.rs

@@ -904,13 +904,16 @@ extern "C" {
     pub fn execl(path: *const c_char, arg0: *const c_char, ...) -> ::c_int;
     pub fn execle(path: *const ::c_char, arg0: *const ::c_char, ...) -> ::c_int;
     pub fn execlp(file: *const ::c_char, arg0: *const ::c_char, ...) -> ::c_int;
+
+    // DIFF(main): changed to `*const *mut` in e77f551de9
     pub fn execv(prog: *const c_char, argv: *const *const c_char) -> ::c_int;
     pub fn execve(
         prog: *const c_char,
         argv: *const *const c_char,
         envp: *const *const c_char,
     ) -> ::c_int;
     pub fn execvp(c: *const c_char, argv: *const *const c_char) -> ::c_int;
+
     pub fn fork() -> pid_t;
     pub fn fpathconf(filedes: ::c_int, name: ::c_int) -> c_long;
     pub fn getcwd(buf: *mut c_char, size: ::size_t) -> *mut c_char;

src/unix/newlib/mod.rs

@@ -873,11 +873,14 @@ extern "C" {
         flags: ::c_int,
     ) -> ::c_int;
     pub fn memalign(align: ::size_t, size: ::size_t) -> *mut ::c_void;
+
+    // DIFF(main): changed to `*const *mut` in e77f551de9
     pub fn fexecve(
         fd: ::c_int,
         argv: *const *const ::c_char,
         envp: *const *const ::c_char,
     ) -> ::c_int;
+
     pub fn gettimeofday(tp: *mut ::timeval, tz: *mut ::c_void) -> ::c_int;
     pub fn getgrgid_r(
         gid: ::gid_t,

src/unix/nto/mod.rs

@@ -2935,6 +2935,8 @@ extern "C" {
         options: ::c_int,
         rusage: *mut ::rusage,
     ) -> ::pid_t;
+
+    // DIFF(main): changed to `*const *mut` in e77f551de9
     pub fn execvpe(
         file: *const ::c_char,
         argv: *const *const ::c_char,

src/unix/solarish/solaris.rs

@@ -207,6 +207,7 @@ pub const PRIV_USER: ::c_uint = PRIV_DEBUG
     | PRIV_PROC_TPD_RESET;
 
 extern "C" {
+    // DIFF(main): changed to `*const *mut` in e77f551de9
     pub fn fexecve(
         fd: ::c_int,
         argv: *const *const ::c_char,

src/windows/mod.rs

@@ -456,6 +456,7 @@ extern "C" {
     #[link_name = "_wexeclpe"]
     pub fn wexeclpe(path: *const wchar_t, arg0: *const wchar_t, ...) -> intptr_t;
     #[link_name = "_execv"]
+    // DIFF(main): changed to `intptr_t` in e77f551de9
     pub fn execv(prog: *const c_char, argv: *const *const c_char) -> ::intptr_t;
     #[link_name = "_execve"]
     pub fn execve(
@@ -471,6 +472,7 @@ extern "C" {
         argv: *const *const c_char,
         envp: *const *const c_char,
     ) -> ::c_int;
+
     #[link_name = "_wexecv"]
     pub fn wexecv(prog: *const wchar_t, argv: *const *const wchar_t) -> ::intptr_t;
     #[link_name = "_wexecve"]