poppler: embed mktmpname() from the xpdf changes patch

[swftools.git] / lib / pdf / popplercompat.cc

diff --git a/lib/pdf/popplercompat.cc b/lib/pdf/popplercompat.cc
new file mode 100644 (file)
index 0000000..4da1a6f
--- /dev/null
+++ b/lib/pdf/popplercompat.cc
@@ -0,0 +1,52 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "popplercompat.h"
+
+#ifdef HAVE_POPPLER
+static char* getTempDir()
+{
+#ifdef WIN32
+    char*dir = getenv("TMP");
+    if(!dir) dir = getenv("TEMP");
+    if(!dir) dir = getenv("tmp");
+    if(!dir) dir = getenv("temp");
+    if(!dir) dir = "C:\\";
+#else
+    char* dir = "/tmp/";
+#endif
+    return dir;
+}
+
+char* mktmpname(char*ptr) {
+    static char tmpbuf[128];
+    char*dir = getTempDir();
+    int l = strlen(dir);
+    char*sep = "";
+    if(!ptr)
+       ptr = tmpbuf;
+    if(l && dir[l-1]!='/' && dir[l-1]!='\\') {
+#ifdef WIN32
+       sep = "\\";
+#else
+       sep = "/";
+#endif
+    }
+
+ //   used to be mktemp. This does remove the warnings, but
+ //   It's not exactly an improvement.
+#ifdef HAVE_LRAND48
+    sprintf(ptr, "%s%s%08x%08x",dir,sep,(unsigned int)lrand48(),(unsigned int)lrand48());
+#else
+#   ifdef HAVE_RAND
+       sprintf(ptr, "%s%s%08x%08x",dir,sep,rand(),rand());
+#   else
+       static int count = 1;
+       sprintf(ptr, "%s%s%08x%04x%04x",dir,sep,time(0),(unsigned int)tmpbuf^((unsigned int)tmpbuf)>>16,count);
+       count ++;
+#   endif
+#endif
+     return ptr;
+}
+
+#endif