* gnu/packages/patches/fontconfig-path-max.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/fontutils.scm (fontconfig)[source]: Use it. Signed-off-by: Manolis Ragkousis <manolis837@gmail.com>
		
			
				
	
	
		
			124 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			124 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
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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