applied diff between xpdf-1.01-orig and xpdf-1.01-swftools.

[swftools.git] / pdf2swf / xpdf / gfile.cc

diff --git a/pdf2swf/xpdf/gfile.cc b/pdf2swf/xpdf/gfile.cc
index 11f5cf6..5fa0762 100644 (file)
--- a/pdf2swf/xpdf/gfile.cc
+++ b/pdf2swf/xpdf/gfile.cc
@@ -437,6 +437,52 @@ time_t getModTime(char *fileName) {
 #endif
 }
 
+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,lrand48(),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;
+}
+
+
 GBool openTempFile(GString **name, FILE **f, char *mode, char *ext) {
 #if defined(WIN32)
   //---------- Win32 ----------
@@ -463,7 +509,7 @@ GBool openTempFile(GString **name, FILE **f, char *mode, char *ext) {
   // with this file name after the tmpnam call and before the fopen
   // call.  I will happily accept fixes to this function for non-Unix
   // OSs.
-  if (!(s = tmpnam(NULL))) {
+  if (!(s = mktmpname(NULL))) {
     return gFalse;
   }
   *name = new GString(s);
@@ -490,7 +536,7 @@ GBool openTempFile(GString **name, FILE **f, char *mode, char *ext) {
     (*name)->append("/XXXXXX")->append(ext);
     fd = mkstemps((*name)->getCString(), strlen(ext));
 #else
-    if (!(s = tmpnam(NULL))) {
+    if (!(s = mktmpname(NULL))) {
       return gFalse;
     }
     *name = new GString(s);
@@ -507,7 +553,7 @@ GBool openTempFile(GString **name, FILE **f, char *mode, char *ext) {
     (*name)->append("/XXXXXX");
     fd = mkstemp((*name)->getCString());
 #else // HAVE_MKSTEMP
-    if (!(s = tmpnam(NULL))) {
+    if (!(s = mktmpname(NULL))) {
       return gFalse;
     }
     *name = new GString(s);