pkgs/os-specific/darwin/apple-source-releases/file_cmds/patches/0003-Add-implementations-of-missing-APIs-for-older-SDKs.patch

   1 From 9d21ed4cb6b56966a7962227a33c0e1986996cb1 Mon Sep 17 00:00:00 2001
   2 From: Randy Eckenrode <randy@largeandhighquality.com>
   3 Date: Sun, 8 Sep 2024 09:46:49 -0400
   4 Subject: [PATCH 3/3] Add implementations of missing APIs for older SDKs
   5
   6 ---
   7  compat/rpmatch_compat.c | 10 ++++++++++
   8  compat/rpmatch_compat.h |  6 ++++++
   9  compat/time_compat.c    | 38 ++++++++++++++++++++++++++++++++++++++
  10  compat/time_compat.h    | 16 ++++++++++++++++
  11  4 files changed, 70 insertions(+)
  12  create mode 100644 compat/rpmatch_compat.c
  13  create mode 100644 compat/rpmatch_compat.h
  14  create mode 100644 compat/time_compat.c
  15  create mode 100644 compat/time_compat.h
  16
  17 diff --git a/compat/rpmatch_compat.c b/compat/rpmatch_compat.c
  18 new file mode 100644
  19 index 0000000..8eb99c3
  20 --- /dev/null
  21 +++ b/compat/rpmatch_compat.c
  22 @@ -0,0 +1,10 @@
  23 +// SPDX-License-Identifier: APSL-2.0
  24 +// utimensat written by Randy Eckenrode © 2024
  25 +
  26 +#include "rpmatch_compat.h"
  27 +
  28 +#include <stdlib.h>
  29 +
  30 +int rpmatch(const char *response) {
  31 +       return response != NULL && (response[0] == 'y' || response[0] == 'Y');
  32 +}
  33 diff --git a/compat/rpmatch_compat.h b/compat/rpmatch_compat.h
  34 new file mode 100644
  35 index 0000000..a13b64b
  36 --- /dev/null
  37 +++ b/compat/rpmatch_compat.h
  38 @@ -0,0 +1,6 @@
  39 +// SPDX-License-Identifier: APSL-2.0
  40 +// utimensat written by Randy Eckenrode © 2024
  41 +
  42 +#pragma once
  43 +
  44 +extern int rpmatch(const char *response);
  45 diff --git a/compat/time_compat.c b/compat/time_compat.c
  46 new file mode 100644
  47 index 0000000..becf778
  48 --- /dev/null
  49 +++ b/compat/time_compat.c
  50 @@ -0,0 +1,38 @@
  51 +// SPDX-License-Identifier: APSL-2.0
  52 +// utimensat written by Randy Eckenrode © 2024
  53 +
  54 +#include "time_compat.h"
  55 +
  56 +#define futimens gzip_futimens
  57 +#include "gzip/futimens.c"
  58 +#undef futimens
  59 +
  60 +#include <sys/fcntl.h>
  61 +#include <unistd.h>
  62 +
  63 +#if __MAC_OS_X_VERSION_MIN_REQUIRED < 101300
  64 +extern int utimensat(int dirfd, const char* pathname, const struct timespec times[_Nullable 2], int flags);
  65 +extern int futimens(int fd, const struct timespec times[_Nullable 2]);
  66 +#endif
  67 +
  68 +int compat_utimensat(int dirfd, const char* pathname, const struct timespec times[_Nullable 2], int flags) {
  69 +       if (__builtin_available(macOS 10.13, *)) {
  70 +               return utimensat(dirfd, pathname, times, flags);
  71 +       } else {
  72 +               int fd = openat(dirfd, pathname, flags);
  73 +               if (fd == -1) { return -1; }
  74 +
  75 +               int retval = compat_futimens(fd, times);
  76 +               if (close(fd) == -1) { return -1; }
  77 +
  78 +               return retval;
  79 +       }
  80 +}
  81 +
  82 +int compat_futimens(int fd, const struct timespec times[_Nullable 2]) {
  83 +       if (__builtin_available(macOS 10.13, *)) {
  84 +               return futimens(fd, times);
  85 +       } else {
  86 +               return gzip_futimens(fd, times);
  87 +       }
  88 +}
  89 diff --git a/compat/time_compat.h b/compat/time_compat.h
  90 new file mode 100644
  91 index 0000000..f07a7ed
  92 --- /dev/null
  93 +++ b/compat/time_compat.h
  94 @@ -0,0 +1,16 @@
  95 +// SPDX-License-Identifier: APSL-2.0
  96 +// utimensat written by Randy Eckenrode © 2024
  97 +
  98 +#pragma once
  99 +
 100 +#include <time.h>
 101 +
 102 +// https://github.com/apple-oss-distributions/xnu/blob/94d3b452840153a99b38a3a9659680b2a006908e/bsd/sys/stat.h#L578-L579
 103 +#define UTIME_NOW  -1
 104 +#define UTIME_OMIT -2
 105 +
 106 +#define utimensat compat_utimensat
 107 +#define futimens compat_futimens
 108 +
 109 +extern int compat_utimensat(int dirfd, const char* pathname, const struct timespec times[_Nullable 2], int flags);
 110 +extern int compat_futimens(int fd, const struct timespec times[_Nullable 2]);
 111 --
 112 2.46.0
 113