BSD 4_2 development

Work on file usr/src/new/new/spms/src/bin/rmproject/savepld.c

Synthesized-from: CSRG/cd1/4.2

diff --git a/usr/src/new/new/spms/src/bin/rmproject/savepld.c b/usr/src/new/new/spms/src/bin/rmproject/savepld.c
new file mode 100644 (file)
index 0000000..14ac8bc
--- /dev/null
+++ b/usr/src/new/new/spms/src/bin/rmproject/savepld.c
@@ -0,0 +1,99 @@
+/* $Header$ */
+
+/*
+ * Author: Peter J. Nicklin
+ */
+#include <stdio.h>
+#include "path.h"
+#include "pld.h"
+#include "system.h"
+
+#define PMODE 0644                     /* file access mode */
+
+extern int FORCE;                      /* brute force approach */
+static char *tpld = "/tmp/...XXXXXX";  /* temporary project link directory */
+
+/*
+ * restorpld() moves a project link directory from /tmp to pathname.
+ */
+void
+restorpld(pathname)
+       char *pathname;                 /* project link directory pathname */
+{
+       char *pathcat();                /* pathname concatenation */
+       char pldpathname[PATHSIZE];     /* project link directory pathname */
+       int fastcopy();                 /* fast file copy */
+
+       pathcat(pldpathname, pathname, PLDNAME);
+       fastcopy(tpld, pldpathname);
+       unlink(tpld);
+}
+
+
+
+/*
+ * savepld() copies a project link directory from pathname to /tmp.
+ * Returns 0 if successful, otherwise -1.
+ */
+savepld(pathname)
+       char *pathname;                 /* project link directory pathname */
+{
+       char *mktemp();                 /* make temporary file name */
+       char *pathcat();                /* pathname concatenation */
+       char pldpathname[PATHSIZE];     /* project link directory pathname */
+
+       pathcat(pldpathname, pathname, PLDNAME);
+       return(fastcopy(pldpathname, mktemp(tpld)));
+}
+
+
+
+/*
+ * unsavepld() removes the saved project link directory from /tmp.
+ */
+void
+unsavepld()
+{
+       unlink(tpld);
+}
+
+
+
+/*
+ * fastcopy() copies f1 to f2. Returns 0 if successful, otherwise -1.
+ */
+fastcopy(f1, f2)
+       char *f1;                       /* from file */
+       char *f2;                       /* to file */
+{
+       register int ifd;               /* input file descriptor */
+       register int ofd;               /* output file descriptor */
+       register int n;                 /* byte count */
+       char buf[BUFSIZ];               /* I/O buffer */
+
+       if ((ifd = OPEN(f1, O_RDONLY, PMODE)) == -1)
+               if (FORCE)
+                       return(0);
+               else    {
+                       pperror(f1);
+                       return(-1);
+                       }
+       if ((ofd = CREATE(f2, O_WRONLY, PMODE)) == -1)
+               if (FORCE)
+                       return(0);
+               else    {
+                       pperror(f2);
+                       return(-1);
+                       }
+       while ((n = read(ifd, buf, BUFSIZ)) > 0)
+               if (write(ofd, buf, n) != n)
+                       if (FORCE)
+                               return(0);
+                       else    {
+                               pperror("");
+                               return(-1);
+                               }
+       close(ifd);
+       close(ofd);
+       return(0);
+}