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authorEthan Morgan <ethan@gweithio.com>2026-02-14 16:44:06 +0000
committerEthan Morgan <ethan@gweithio.com>2026-02-14 16:44:06 +0000
commit54409423f767d8b1cf30cb7d0efca6b4ca138823 (patch)
treed915ac7828703ce4b963efdd9728a1777ba18c1e /vcpkg/ports/openslide/fix-win-build.patch
move to own git serverHEADmaster
Diffstat (limited to 'vcpkg/ports/openslide/fix-win-build.patch')
-rw-r--r--vcpkg/ports/openslide/fix-win-build.patch248
1 files changed, 248 insertions, 0 deletions
diff --git a/vcpkg/ports/openslide/fix-win-build.patch b/vcpkg/ports/openslide/fix-win-build.patch
new file mode 100644
index 0000000..3fc1ed8
--- /dev/null
+++ b/vcpkg/ports/openslide/fix-win-build.patch
@@ -0,0 +1,248 @@
+diff --git a/common/openslide-common-fd.c b/common/openslide-common-fd.c
+index 3d3ce955f3c1..20127ce4bdd9 100644
+--- a/common/openslide-common-fd.c
++++ b/common/openslide-common-fd.c
+@@ -27,10 +27,13 @@
+
+ #include <sys/types.h>
+ #include <sys/stat.h>
+-#include <unistd.h>
+ #include <fcntl.h>
+ #include <glib.h>
+
++#ifndef _WIN32
++#include <unistd.h>
++#endif
++
+ #ifdef __APPLE__
+ #include <sys/param.h> // MAXPATHLEN
+ #include <libproc.h>
+diff --git a/meson.build b/meson.build
+index 0b4d7d47b695..ac106fb1001f 100644
+--- a/meson.build
++++ b/meson.build
+@@ -59,6 +59,17 @@ add_project_arguments(
+ '-DGLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_MIN_REQUIRED',
+ language : 'c'
+ )
++if host_machine.system() == 'windows'
++ # Windows likes to warn about C and POSIX functions
++ foreach native : [false, true]
++ add_project_arguments(
++ '-D_CRT_NONSTDC_NO_DEPRECATE',
++ '-D_CRT_SECURE_NO_WARNINGS',
++ language : 'c',
++ native : native,
++ )
++ endforeach
++endif
+ add_project_link_arguments(
+ cc.get_supported_link_arguments(
+ '-Wl,--no-undefined',
+@@ -66,6 +77,13 @@ add_project_link_arguments(
+ language : 'c'
+ )
+
++# Functions
++foreach f : ['fseeko', 'ftello']
++ if cc.has_function(f)
++ conf.set('HAVE_' + f.to_upper(), 1)
++ endif
++endforeach
++
+ # fopen cloexec flag
+ if host_machine.system() in ['dragonfly', 'freebsd', 'linux', 'netbsd', 'openbsd']
+ message('Using "e" flag for close-on-exec')
+diff --git a/src/meson.build b/src/meson.build
+index e886eea4b5c4..4be22f64aef7 100644
+--- a/src/meson.build
++++ b/src/meson.build
+@@ -24,6 +24,8 @@ openslide_dll_rc = configure_file(
+ if host_machine.system() == 'windows'
+ openslide_dll_o = import('windows').compile_resources(
+ openslide_dll_rc,
++ # https://github.com/llvm/llvm-project/issues/63426
++ args : [cc.get_argument_syntax() == 'msvc' ? '/c' : '-c', '65001'],
+ depend_files : [openslide_dll_manifest],
+ )
+ else
+diff --git a/src/openslide-decode-dicom.c b/src/openslide-decode-dicom.c
+index 24dcfbfe4568..d5fa053e94ef 100644
+--- a/src/openslide-decode-dicom.c
++++ b/src/openslide-decode-dicom.c
+@@ -88,7 +88,7 @@ static int64_t vfs_seek(DcmError **dcm_error, DcmIO *io,
+
+ // libdicom uses lseek(2) semantics, so it must always return the new file
+ // pointer
+- off_t new_position = _openslide_ftell(dio->file, &err);
++ int64_t new_position = _openslide_ftell(dio->file, &err);
+ if (new_position < 0) {
+ propagate_gerror(dcm_error, err);
+ }
+diff --git a/src/openslide-decode-tifflike.c b/src/openslide-decode-tifflike.c
+index 626cd4039110..3ca3e374f208 100644
+--- a/src/openslide-decode-tifflike.c
++++ b/src/openslide-decode-tifflike.c
+@@ -470,8 +470,9 @@ static struct tiff_directory *read_directory(struct _openslide_file *f,
+ return NULL;
+ }
+
+- // check for overflow
+- if (count > SSIZE_MAX / value_size) {
++ // compute total size
++ size_t value_len;
++ if (!g_size_checked_mul(&value_len, value_size, count)) {
+ g_set_error(err, OPENSLIDE_ERROR, OPENSLIDE_ERROR_FAILED,
+ "Value count too large");
+ return NULL;
+@@ -486,7 +487,7 @@ static struct tiff_directory *read_directory(struct _openslide_file *f,
+ }
+
+ // does value/offset contain the value?
+- if (value_size * count <= sizeof(value)) {
++ if (value_len <= sizeof(value)) {
+ // yes
+ fix_byte_order(value, value_size, count, big_endian);
+ if (!set_item_values(item, value, err)) {
+diff --git a/src/openslide-dll.rc.in b/src/openslide-dll.rc.in
+index 0670ee539e02..47e4d729e2bd 100644
+--- a/src/openslide-dll.rc.in
++++ b/src/openslide-dll.rc.in
+@@ -10,16 +10,16 @@ FILETYPE VFT_DLL
+ BEGIN
+ BLOCK "StringFileInfo"
+ BEGIN
+- BLOCK "040904e4"
++ BLOCK "040904b0"
+ BEGIN
+ VALUE "FileDescription", "OpenSlide library"
+ VALUE "FileVersion", "@SUFFIXED_VERSION@"
+ VALUE "InternalName", "OpenSlide"
+- VALUE "LegalCopyright", "Copyright \251 2007-2023 Carnegie Mellon University and others. OpenSlide is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License, version 2.1."
++ VALUE "LegalCopyright", "Copyright © 2007-2023 Carnegie Mellon University and others. OpenSlide is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License, version 2.1."
+ END
+ END
+ BLOCK "VarFileInfo"
+ BEGIN
+- VALUE "Translation", 0x0409, 0x04e4
++ VALUE "Translation", 0x0409, 0x04b0
+ END
+ END
+diff --git a/src/openslide-file.c b/src/openslide-file.c
+index 2763f38071dc..11b568913cfe 100644
+--- a/src/openslide-file.c
++++ b/src/openslide-file.c
+@@ -36,6 +36,13 @@
+ #include <fcntl.h>
+ #endif
+
++#if !defined(HAVE_FSEEKO) && defined(_WIN32)
++#define fseeko _fseeki64
++#endif
++#if !defined(HAVE_FTELLO) && defined(_WIN32)
++#define ftello _ftelli64
++#endif
++
+ struct _openslide_file {
+ FILE *fp;
+ };
+@@ -141,7 +148,7 @@ size_t _openslide_fread(struct _openslide_file *file, void *buf, size_t size) {
+ return total;
+ }
+
+-bool _openslide_fseek(struct _openslide_file *file, off_t offset, int whence,
++bool _openslide_fseek(struct _openslide_file *file, int64_t offset, int whence,
+ GError **err) {
+ if (fseeko(file->fp, offset, whence)) {
+ g_set_error(err, G_FILE_ERROR, g_file_error_from_errno(errno),
+@@ -151,8 +158,8 @@ bool _openslide_fseek(struct _openslide_file *file, off_t offset, int whence,
+ return true;
+ }
+
+-off_t _openslide_ftell(struct _openslide_file *file, GError **err) {
+- off_t ret = ftello(file->fp);
++int64_t _openslide_ftell(struct _openslide_file *file, GError **err) {
++ int64_t ret = ftello(file->fp);
+ if (ret == -1) {
+ g_set_error(err, G_FILE_ERROR, g_file_error_from_errno(errno),
+ "%s", g_strerror(errno));
+@@ -160,15 +167,15 @@ off_t _openslide_ftell(struct _openslide_file *file, GError **err) {
+ return ret;
+ }
+
+-off_t _openslide_fsize(struct _openslide_file *file, GError **err) {
+- off_t orig = _openslide_ftell(file, err);
++int64_t _openslide_fsize(struct _openslide_file *file, GError **err) {
++ int64_t orig = _openslide_ftell(file, err);
+ if (orig == -1) {
+ return -1;
+ }
+ if (!_openslide_fseek(file, 0, SEEK_END, err)) {
+ return -1;
+ }
+- off_t ret = _openslide_ftell(file, err);
++ int64_t ret = _openslide_ftell(file, err);
+ if (ret == -1) {
+ return -1;
+ }
+diff --git a/src/openslide-private.h b/src/openslide-private.h
+index 5ae36939b048..eb670427f6e4 100644
+--- a/src/openslide-private.h
++++ b/src/openslide-private.h
+@@ -186,10 +186,10 @@ struct _openslide_file;
+
+ struct _openslide_file *_openslide_fopen(const char *path, GError **err);
+ size_t _openslide_fread(struct _openslide_file *file, void *buf, size_t size);
+-bool _openslide_fseek(struct _openslide_file *file, off_t offset, int whence,
++bool _openslide_fseek(struct _openslide_file *file, int64_t offset, int whence,
+ GError **err);
+-off_t _openslide_ftell(struct _openslide_file *file, GError **err);
+-off_t _openslide_fsize(struct _openslide_file *file, GError **err);
++int64_t _openslide_ftell(struct _openslide_file *file, GError **err);
++int64_t _openslide_fsize(struct _openslide_file *file, GError **err);
+ void _openslide_fclose(struct _openslide_file *file);
+ bool _openslide_fexists(const char *path, GError **err);
+
+diff --git a/src/openslide-vendor-synthetic.c b/src/openslide-vendor-synthetic.c
+index e3a44056900a..2966803ae6e8 100644
+--- a/src/openslide-vendor-synthetic.c
++++ b/src/openslide-vendor-synthetic.c
+@@ -156,13 +156,13 @@ static bool decode_png(const void *data, uint32_t len,
+
+ struct mem_tiff {
+ const uint8_t *data;
+- ssize_t offset;
+- ssize_t size;
++ int64_t offset;
++ int64_t size;
+ };
+
+ static tsize_t mem_tiff_read(thandle_t th, tdata_t buf, tsize_t size) {
+ struct mem_tiff *mem = th;
+- ssize_t count = MIN(mem->size - mem->offset, size);
++ int64_t count = MIN(mem->size - mem->offset, size);
+ memcpy(buf, mem->data + mem->offset, count);
+ mem->offset += count;
+ return count;
+diff --git a/tools/slidetool-util.c b/tools/slidetool-util.c
+index 28901eda611c..7a0de731245f 100644
+--- a/tools/slidetool-util.c
++++ b/tools/slidetool-util.c
+@@ -20,11 +20,16 @@
+ */
+
+ #include <stdio.h>
+-#include <unistd.h>
+ #include <errno.h>
+ #include "openslide-common.h"
+ #include "slidetool.h"
+
++#ifdef _WIN32
++#include <io.h>
++#else
++#include <unistd.h>
++#endif
++
+ struct output open_output(const char *filename) {
+ struct output out;
+ if (filename) {