125 lines
2.6 KiB
Diff
125 lines
2.6 KiB
Diff
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This patch fix the build on GNU/Hurd, due to PATH_MAX isn't defined.
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The patch was adapted from upstream source repository:
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'<https://cgit.freedesktop.org/fontconfig/commit/?id=abdb6d658e1a16410dd1c964e365a3ebd5039e7c>'
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Commit: abdb6d658e1a16410dd1c964e365a3ebd5039e7c
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---
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src/fcdefault.c | 34 +++++++++++++++++++++++++++-------
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src/fcint.h | 6 ++++++
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src/fcstat.c | 12 +++++++++++-
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3 files changed, 44 insertions(+), 8 deletions(-)
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diff --git a/src/fcdefault.c b/src/fcdefault.c
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index 6647a8f..5afd7ec 100644
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--- a/src/fcdefault.c
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+++ b/src/fcdefault.c
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@@ -148,17 +148,34 @@ retry:
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prgname = FcStrdup ("");
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#else
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# if defined (HAVE_GETEXECNAME)
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- const char *p = getexecname ();
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+ char *p = FcStrdup(getexecname ());
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# elif defined (HAVE_READLINK)
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- char buf[PATH_MAX + 1];
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- int len;
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+ size_t size = FC_PATH_MAX;
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char *p = NULL;
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- len = readlink ("/proc/self/exe", buf, sizeof (buf) - 1);
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- if (len != -1)
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+ while (1)
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{
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- buf[len] = '\0';
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- p = buf;
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+ char *buf = malloc (size);
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+ ssize_t len;
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+
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+ if (!buf)
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+ break;
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+
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+ len = readlink ("/proc/self/exe", buf, size - 1);
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+ if (len < 0)
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+ {
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+ free (buf);
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+ break;
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+ }
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+ if (len < size - 1)
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+ {
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+ buf[len] = 0;
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+ p = buf;
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+ break;
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+ }
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+
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+ free (buf);
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+ size *= 2;
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}
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# else
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char *p = NULL;
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@@ -176,6 +193,9 @@ retry:
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if (!prgname)
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prgname = FcStrdup ("");
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+
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+ if (p)
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+ free (p);
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#endif
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if (!fc_atomic_ptr_cmpexch (&default_prgname, NULL, prgname)) {
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diff --git a/src/fcint.h b/src/fcint.h
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index ac911ad..dad34c5 100644
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--- a/src/fcint.h
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+++ b/src/fcint.h
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@@ -70,6 +70,12 @@ extern pfnSHGetFolderPathA pSHGetFolderPathA;
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# define FC_DIR_SEPARATOR_S "/"
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#endif
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+#ifdef PATH_MAX
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+#define FC_PATH_MAX PATH_MAX
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+#else
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+#define FC_PATH_MAX 128
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+#endif
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+
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#if __GNUC__ >= 4
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#define FC_UNUSED __attribute__((unused))
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#else
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diff --git a/src/fcstat.c b/src/fcstat.c
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index 1734fa4..f6e1aaa 100644
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--- a/src/fcstat.c
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+++ b/src/fcstat.c
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@@ -278,8 +278,13 @@ FcDirChecksum (const FcChar8 *dir, time_t *checksum)
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{
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#endif
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struct stat statb;
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- char f[PATH_MAX + 1];
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+ char *f = malloc (len + 1 + dlen + 1);
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+ if (!f)
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+ {
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+ ret = -1;
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+ goto bail;
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+ }
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memcpy (f, dir, len);
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f[len] = FC_DIR_SEPARATOR;
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memcpy (&f[len + 1], files[n]->d_name, dlen);
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@@ -287,11 +292,16 @@ FcDirChecksum (const FcChar8 *dir, time_t *checksum)
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if (lstat (f, &statb) < 0)
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{
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ret = -1;
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+ free (f);
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goto bail;
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}
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if (S_ISDIR (statb.st_mode))
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+ {
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+ free (f);
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goto bail;
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+ }
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+ free (f);
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dtype = statb.st_mode;
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#ifdef HAVE_STRUCT_DIRENT_D_TYPE
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}
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--
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2.11.0
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