added extension to temp files

2 files changed, 4 insertions, 4 deletions

diff --git a/lib/devices/pdf.c b/lib/devices/pdf.c
index 1e0d6a8b..16bb6cf7 100644
--- a/lib/devices/pdf.c
+++ b/lib/devices/pdf.c
@@ -100,7 +100,7 @@ void pdf_startpage(gfxdevice_t*dev, int width, int height)
     internal_t*i = (internal_t*)dev->internal;
 
     if(!i->tempfile) {
-	i->tempfile = strdup(mktempname(0));
+	i->tempfile = strdup(mktempname(0, "pdf"));
 
 	PDF_begin_document(i->p, i->tempfile, 0, "");
 	//PDF_set_value(i->p, "compress", 0);
@@ -281,14 +281,14 @@ void pdf_fillbitmap(gfxdevice_t*dev, gfxline_t*line, gfximage_t*img, gfxmatrix_t
     }
 
     char tempfile[128];
-    mktempname(tempfile);
+    mktempname(tempfile, "jpg");
 
     gfximage_save_jpeg(img, tempfile, 96);
 
     int imgid=-1;
     if(has_alpha) {
 	char tempfile2[128];
-	mktempname(tempfile2);
+	mktempname(tempfile2, "jpg");
 	int t;
 	int size = img->width*img->height;
 	unsigned char*alpha = malloc(size);
diff --git a/lib/devices/record.c b/lib/devices/record.c
index 5f3709a1..abace9b8 100644
--- a/lib/devices/record.c
+++ b/lib/devices/record.c
@@ -733,7 +733,7 @@ void gfxdevice_record_init(gfxdevice_t*dev, char use_tempfile)
 	writer_init_growingmemwriter(&i->w, 1048576);
     } else {
 	char buffer[128];
-	i->filename = strdup(mktempname(buffer));
+	i->filename = strdup(mktempname(buffer, "gfx"));
 	writer_init_filewriter2(&i->w, i->filename);
     }
     i->fontlist = gfxfontlist_create();