Add mkdtemp() from xfce to unbreak gpgme build on Solaris. Closes #3217.

1 files changed, 42 insertions, 0 deletions

diff --git a/mkdtemp.c b/mkdtemp.c
new file mode 100644
index 00000000..0f5edcdd
--- /dev/null
+++ b/mkdtemp.c
@@ -0,0 +1,42 @@
+/* taken from XFCE's Xarchiver, made to work without glib for mutt */
+
+#include <sys/stat.h>
+#include <unistd.h>
+#include <errno.h>
+#include <time.h>
+#include <string.h>
+
+/* mkdtemp fuction for systems which don't have one */
+char *mkdtemp (char *tmpl)
+{
+    static const char LETTERS[] = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
+    static long       value = 0;
+    long              v;
+    int               len;
+    int               i, j;
+
+    len = strlen (tmpl);
+    if (len < 6 || strcmp (&tmpl[len - 6], "XXXXXX") != 0)
+    {
+        errno = EINVAL;
+        return NULL;
+    }
+
+    value += ((long) time (NULL)) ^ getpid ();
+
+    for (i = 0; i < 7 ; ++i, value += 7777)
+    {
+        /* fill in the random bits */
+        for (j = 0, v = value; j < 6; ++j)
+            tmpl[(len - 6) + j] = LETTERS[v % 62]; v /= 62;
+
+        /* try to create the directory */
+        if (mkdir (tmpl, 0700) == 0)
+            return tmpl;
+        else if (errno != EEXIST)
+            return NULL;
+    }
+
+    errno = EEXIST;
+    return NULL;
+}