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-rw-r--r--gnu/packages/patches/fontconfig-path-max.patch124
1 files changed, 124 insertions, 0 deletions
diff --git a/gnu/packages/patches/fontconfig-path-max.patch b/gnu/packages/patches/fontconfig-path-max.patch
new file mode 100644
index 0000000000..e12f60ef00
--- /dev/null
+++ b/gnu/packages/patches/fontconfig-path-max.patch
@@ -0,0 +1,124 @@
+This patch fix the build on GNU/Hurd, due to PATH_MAX isn't defined.
+
+The patch was adapted from upstream source repository:
+'<https://cgit.freedesktop.org/fontconfig/commit/?id=abdb6d658e1a16410dd1c964e365a3ebd5039e7c>'
+Commit: abdb6d658e1a16410dd1c964e365a3ebd5039e7c
+
+---
+ src/fcdefault.c | 34 +++++++++++++++++++++++++++-------
+ src/fcint.h | 6 ++++++
+ src/fcstat.c | 12 +++++++++++-
+ 3 files changed, 44 insertions(+), 8 deletions(-)
+
+diff --git a/src/fcdefault.c b/src/fcdefault.c
+index 6647a8f..5afd7ec 100644
+--- a/src/fcdefault.c
++++ b/src/fcdefault.c
+@@ -148,17 +148,34 @@ retry:
+ prgname = FcStrdup ("");
+ #else
+ # if defined (HAVE_GETEXECNAME)
+- const char *p = getexecname ();
++ char *p = FcStrdup(getexecname ());
+ # elif defined (HAVE_READLINK)
+- char buf[PATH_MAX + 1];
+- int len;
++ size_t size = FC_PATH_MAX;
+ char *p = NULL;
+
+- len = readlink ("/proc/self/exe", buf, sizeof (buf) - 1);
+- if (len != -1)
++ while (1)
+ {
+- buf[len] = '\0';
+- p = buf;
++ char *buf = malloc (size);
++ ssize_t len;
++
++ if (!buf)
++ break;
++
++ len = readlink ("/proc/self/exe", buf, size - 1);
++ if (len < 0)
++ {
++ free (buf);
++ break;
++ }
++ if (len < size - 1)
++ {
++ buf[len] = 0;
++ p = buf;
++ break;
++ }
++
++ free (buf);
++ size *= 2;
+ }
+ # else
+ char *p = NULL;
+@@ -176,6 +193,9 @@ retry:
+
+ if (!prgname)
+ prgname = FcStrdup ("");
++
++ if (p)
++ free (p);
+ #endif
+
+ if (!fc_atomic_ptr_cmpexch (&default_prgname, NULL, prgname)) {
+diff --git a/src/fcint.h b/src/fcint.h
+index ac911ad..dad34c5 100644
+--- a/src/fcint.h
++++ b/src/fcint.h
+@@ -70,6 +70,12 @@ extern pfnSHGetFolderPathA pSHGetFolderPathA;
+ # define FC_DIR_SEPARATOR_S "/"
+ #endif
+
++#ifdef PATH_MAX
++#define FC_PATH_MAX PATH_MAX
++#else
++#define FC_PATH_MAX 128
++#endif
++
+ #if __GNUC__ >= 4
+ #define FC_UNUSED __attribute__((unused))
+ #else
+diff --git a/src/fcstat.c b/src/fcstat.c
+index 1734fa4..f6e1aaa 100644
+--- a/src/fcstat.c
++++ b/src/fcstat.c
+@@ -278,8 +278,13 @@ FcDirChecksum (const FcChar8 *dir, time_t *checksum)
+ {
+ #endif
+ struct stat statb;
+- char f[PATH_MAX + 1];
++ char *f = malloc (len + 1 + dlen + 1);
+
++ if (!f)
++ {
++ ret = -1;
++ goto bail;
++ }
+ memcpy (f, dir, len);
+ f[len] = FC_DIR_SEPARATOR;
+ memcpy (&f[len + 1], files[n]->d_name, dlen);
+@@ -287,11 +292,16 @@ FcDirChecksum (const FcChar8 *dir, time_t *checksum)
+ if (lstat (f, &statb) < 0)
+ {
+ ret = -1;
++ free (f);
+ goto bail;
+ }
+ if (S_ISDIR (statb.st_mode))
++ {
++ free (f);
+ goto bail;
++ }
+
++ free (f);
+ dtype = statb.st_mode;
+ #ifdef HAVE_STRUCT_DIRENT_D_TYPE
+ }
+--
+2.11.0
+