e70152e44cc66cc599ff6b699eb8adc07f3e656a
kent
  Sat May 24 21:09:34 2014 -0700
Adding Copyright NNNN Regents of the University of California to all files I believe with reasonable certainty were developed under UCSC employ or as part of Genome Browser copyright assignment.
diff --git src/hg/lib/trashDir.c src/hg/lib/trashDir.c
index a4370df..481d59d 100644
--- src/hg/lib/trashDir.c
+++ src/hg/lib/trashDir.c
@@ -1,86 +1,89 @@
 /* trashDir.c - temporary file creation and directory creation in /trash */
 
+/* Copyright (C) 2014 The Regents of the University of California 
+ * See README in this or parent directory for licensing information. */
+
 
 #include "common.h"
 #include "hash.h"
 #include "portable.h"
 #include "trashDir.h"
 
 void trashDirFile(struct tempName *tn, char *dirName, char *base, char *suffix)
 /*	obtain a trash file name trash/dirName/base*.suffix */
 {
 static struct hash *dirHash = NULL;
 char prefix[64];
 
 if (! dirHash)
 	dirHash = newHash(0);
 
 /* already created this directory ? */
 if (! hashLookup(dirHash,dirName))
     {
     hashAddInt(dirHash, dirName, 1);	/* remember, been here, done that */
     mkdirTrashDirectory(dirName);
     }
 /* no need to duplicate the _ at the end of base, makeTempName is going
  *	to add _ to the given base, some CGIs pass "base_"
  */
 if (endsWith(base,"_"))
     {
     char *t = cloneString(base);
     int len = strlen(t);
     t[len-1] = '\0';	/* remove ending _ */
     safef(prefix, sizeof(prefix), "%s/%s", dirName,t);
     freeMem(t);
     }
 else
     safef(prefix, sizeof(prefix), "%s/%s", dirName,base);
 makeTempName(tn, prefix, suffix);
 }
 
 boolean trashDirReusableFile(struct tempName *tn, char *dirName, char *base, char *suffix)
 /*      obtain a resusable trash file name as trash/dirName/base.suffix
  *      returns TRUE if already exists. */
 {
 trashDirFile(tn,dirName,base,suffix);
 // Don't really want the randomized name.
 char *cgiName  = rStringIn("/",tn->forCgi );
 char *htmlName = rStringIn("/",tn->forHtml);
 if (cgiName == NULL)
     cgiName = rStringIn("\\",tn->forCgi);
 assert(cgiName != NULL && htmlName != NULL);
 
 cgiName += 1;
 htmlName += 1;
 boolean addDot = (*suffix != '.');
 safef(cgiName, strlen(cgiName), "%s%s%s", base, (addDot?".":""),suffix);// There is room, since
 safef(htmlName,strlen(htmlName),"%s%s%s", base, (addDot?".":""),suffix);// tempName: base_*.suffix
 
 // exists?
 return fileExists(tn->forCgi);
 }
 
 void copyFileToTrash(char **pFileName, char *dirName, char *base, char *suffix)
 /* If *pFileName is not NULL and exists, then create a new file in the
  * given dirName of trash/ with the given base and suffix, copy *pFileName's
  * contents to it, and set *pFileName to the new filename. */
 {
 if (pFileName != NULL && *pFileName != NULL)
     {
     if (fileExists(*pFileName))
 	{
 	FILE *fIn = mustOpen(*pFileName, "r");
         struct tempName tn;
 	trashDirFile(&tn, dirName, base, suffix);
         char *newFileName = tn.forCgi;
 	FILE *fOut = mustOpen(newFileName, "w");
 	unsigned char buf[16 * 1024];
 	size_t sz;
 	while ((sz = fread(buf, sizeof(buf[0]), ArraySize(buf), fIn)) > 0)
 	    fwrite(buf, sizeof(buf[0]), sz, fOut);
 	fclose(fOut);
 	fclose(fIn);
 	*pFileName = cloneString(newFileName);
 	}
     }
 }