BugZilla: 45623

nsprpub/pr/src/io/priometh.c

@@ -348,7 +348,7 @@ PR_IMPLEMENT(PRInt32) PR_EmulateSendFile(
     PRFileInfo info;
     PRIOVec iov[3];
     PRFileMap *mapHandle = NULL;
-    void *addr;
+    void *addr = (void*)0; /* initialized to some arbitrary value. Keeps compiler warnings down. */
     PRUint32 file_mmap_offset, alignment;
     PRInt64 zero64;
     PROffset64 file_mmap_offset64;

nsprpub/pr/src/io/prmwait.c

@@ -970,7 +970,7 @@ PR_IMPLEMENT(PRRecvWait*) PR_WaitRecvReady(PRWaitGroup *group)
                 ** it is still full of if's with continue and goto.
                 */
                 PRStatus st;
-                while (PR_CLIST_IS_EMPTY(&group->io_ready))
+                do 
                 {
                     st = PR_WaitCondVar(group->io_complete, PR_INTERVAL_NO_TIMEOUT);
                     if (_prmw_running != group->state)
@@ -979,7 +979,7 @@ PR_IMPLEMENT(PRRecvWait*) PR_WaitRecvReady(PRWaitGroup *group)
                         goto aborted;
                     }
                     if (_MW_ABORTED(st) || (NULL == group->poller)) break;
-                }
+                } while (PR_CLIST_IS_EMPTY(&group->io_ready));
 
                 /*
                 ** The thread is interrupted and has to leave.  It might

nsprpub/pr/src/io/prscanf.c

@@ -419,7 +419,7 @@ Convert(ScanfState *state, const char *fmt)
 {
     const char *cPtr;
     int ch;
-    char *cArg;
+    char *cArg = NULL;
 
     state->converted = PR_FALSE;
     cPtr = fmt;

nsprpub/pr/src/md/unix/uxshm.c

@@ -625,7 +625,7 @@ extern PRFileMap * _md_ImportFileMapFromString(
     PRInt32     osfd;
     PRIntn      prot; /* really: a PRFileMapProtect */
     PRFileDesc  *fd;
-    PRFileMap   *fm;
+    PRFileMap   *fm = NULL; /* default return value */
     PRFileInfo64 info;
 
     PR_sscanf( fmstring, "%ld:%d", &osfd, &prot );