File unzip-open_missing_mode.patch of Package unzip

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File unzip-open_missing_mode.patch of Package unzip (Revision 117742d6ac591f5e6fe73d2228988157)

Currently displaying revision 117742d6ac591f5e6fe73d2228988157 , Show latest

Index: fileio.c
===================================================================
--- fileio.c.orig	2009-04-20 02:03:44.000000000 +0200
+++ fileio.c	2010-06-25 18:32:49.960030697 +0200
@@ -71,6 +71,11 @@
 #include "crc32.h"
 #include "crypt.h"
 #include "ttyio.h"
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+
 
 /* setup of codepage conversion for decryption passwords */
 #if CRYPT
@@ -270,6 +275,7 @@ int open_input_file(__G)    /* return 1
 int open_outfile(__G)           /* return 1 if fail */
     __GDEF
 {
+    int fd;
 #ifdef DLL
     if (G.redirect_data)
         return (redirect_outfile(__G) == FALSE);
@@ -448,23 +454,48 @@ int open_outfile(__G)           /* retur
         return 1;   /* with "./" fix in checkdir(), should never reach here */
     }
 #endif /* NOVELL_BUG_FAILSAFE */
-    Trace((stderr, "open_outfile:  doing fopen(%s) for writing\n",
-      FnFilter1(G.filename)));
     {
 #if defined(ATH_BE_UNX) || defined(AOS_VS) || defined(QDOS) || defined(TANDEM)
         mode_t umask_sav = umask(0077);
 #endif
+
+#if defined(SYMLINKS) || defined(QLZIP)
+        fd = open(G.filename, O_RDWR | O_LARGEFILE | O_CREAT,
+                  /* 0644 in portable POSIX notation: */
+                  S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+#else
+        fd = open(G.filename, O_WRONLY | O_LARGEFILE | O_CREAT,
+                  /* 0644 in portable POSIX notation: */
+                  S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
+#endif
+        Trace((stderr, "open_outfile:  open(%s, O_WRONLY | O_LARGEFILE | O_CREAT) returned %d\n",
+          FnFilter1(G.filename), fd));
+
+        if (fd < 0) {
+            Info(slide, 0x401, ((char *)slide, LoadFarString(CannotCreateFile),
+              FnFilter1(G.filename), strerror(errno)));
+            return 1;
+        }
 #if defined(SYMLINKS) || defined(QLZIP)
         /* These features require the ability to re-read extracted data from
            the output files. Output files are created with Read&Write access.
          */
-        G.outfile = zfopen(G.filename, FOPWR);
+
+        G.outfile = zfdopen(fd, FOPWR);
+
+        Trace((stderr, "open_outfile:  doing fdopen(%s, FOPWR) returned %p\n",
+              G.outfile));
 #else
-        G.outfile = zfopen(G.filename, FOPW);
+        G.outfile = zfdopen(fd, FOPW);
+
+        Trace((stderr, "open_outfile:  doing fdopen(%s, FOPW) returned %p\n",
+              G.outfile));
 #endif
 #if defined(ATH_BE_UNX) || defined(AOS_VS) || defined(QDOS) || defined(TANDEM)
         umask(umask_sav);
 #endif
+        if (G.outfile == NULL && fd != 0)
+            unlink(G.filename);
     }
     if (G.outfile == (FILE *)NULL) {
         Info(slide, 0x401, ((char *)slide, LoadFarString(CannotCreateFile),

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File unzip-open_missing_mode.patch of Package unzip (Revision 117742d6ac591f5e6fe73d2228988157)

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