03f35ff390
* gnu/packages/patches/ghostscript-leptonica-hurd.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/ghostscript.scm (ghostscript)[arguments]: When building for the Hurd, add phase 'patch-leptonica' and use it.
78 lines
3.2 KiB
Diff
78 lines
3.2 KiB
Diff
Upstream status: This patch was taken from leptonica upstream.
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Backported to ghostscripts bundled leptonica.
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From f04da7c816feb1d5f689c34f3d0e7e3621edf1f5 Mon Sep 17 00:00:00 2001
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From: Samuel Thibault <samuel.thibault@ens-lyon.org>
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Date: Wed, 1 Feb 2023 19:35:43 +0100
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Subject: [PATCH] Fix GNU/Hurd build
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There is no PATH_MAX limitation on GNU/Hurd, and realpath() can be
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safely be used with its second parameter set to NULL (as required by
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posix since its version 2001).
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---
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src/sarray1.c | 29 +++++++++++++++++++++++------
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1 file changed, 23 insertions(+), 6 deletions(-)
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--- a/src/sarray1.c 2023-06-13 12:31:13.393672916 +0200
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+++ a/src/sarray1.c 2023-06-13 12:34:13.574237149 +0200
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@@ -1953,7 +1953,11 @@
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SARRAY *
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getFilenamesInDirectory(const char *dirname)
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{
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+#if _POSIX_VERSION >= 200112 || defined(__GLIBC__)
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+char *dir;
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+#else
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char dir[PATH_MAX + 1];
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+#endif
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char *realdir, *stat_path, *ignore;
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size_t size;
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SARRAY *safiles;
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@@ -1976,17 +1980,28 @@
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* If the file or directory exists, realpath returns its path;
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else it returns NULL.
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* If the second arg to realpath is passed in, the canonical path
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- is returned there. Use a buffer of sufficient size. If the
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- second arg is NULL, the path is malloc'd and returned if the
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- file or directory exists.
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- We pass in a buffer for the second arg, and check that the canonical
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- directory path was made. The existence of the directory is checked
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- later, after its actual path is returned by genPathname(). */
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+ is returned there. Use a buffer of sufficient size.
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+ We pass in a buffer for the second arg, and check that the
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+ canonical directory path was made. The existence of the
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+ directory is checked later, after its actual path is returned by
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+ genPathname().
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+ With GNU libc or Posix 2001, if the second arg is NULL, the path
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+ is malloc'd and returned if the file or directory exists.
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+ */
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+#if _POSIX_VERSION >= 200112 || defined(__GLIBC__)
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+ dir = realpath(dirname, NULL);
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+ if (dir == NULL)
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+ return (SARRAY *)ERROR_PTR("dir not made", __func__, NULL);
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+#else
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dir[0] = '\0'; /* init empty in case realpath() fails to write it */
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ignore = realpath(dirname, dir);
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if (dir[0] == '\0')
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return (SARRAY *)ERROR_PTR("dir not made", procName, NULL);
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+#endif
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realdir = genPathname(dir, NULL);
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+#if _POSIX_VERSION >= 200112 || defined(__GLIBC__)
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+ LEPT_FREE(dir);
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+#endif
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if ((pdir = opendir(realdir)) == NULL) {
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LEPT_FREE(realdir);
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return (SARRAY *)ERROR_PTR("pdir not opened", procName, NULL);
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@@ -1998,10 +2013,12 @@
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stat_ret = fstatat(dfd, pdirentry->d_name, &st, 0);
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#else
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size = strlen(realdir) + strlen(pdirentry->d_name) + 2;
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+#if _POSIX_VERSION < 200112 && !defined(__GLIBC__)
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if (size > PATH_MAX) {
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L_ERROR("size = %zu too large; skipping\n", procName, size);
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continue;
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}
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+#endif
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stat_path = (char *)LEPT_CALLOC(size, 1);
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snprintf(stat_path, size, "%s/%s", realdir, pdirentry->d_name);
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stat_ret = stat(stat_path, &st);
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