2000-03-05 09:27:28 +00:00
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--- ./marc.c.orig Tue Apr 14 18:59:21 1992
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+++ ./marc.c Wed Aug 11 10:22:31 1999
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@@ -28,12 +28,17 @@
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#if UNIX
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#include <sys/types.h>
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#include <sys/stat.h>
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+#include <errno.h>
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+#include <unistd.h>
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+#include <string.h>
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+#include <err.h>
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#endif
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#ifndef __STDC__
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char *calloc(), *malloc(), *realloc(); /* memory managers */
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#endif
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VOID arcdie();
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+int move(),setstamp();
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static VOID expandlst(), merge();
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FILE *src; /* source archive */
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@@ -50,7 +55,7 @@
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char *makefnam(); /* filename fixup routine */
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char *envfind();
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#if !_MTS
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- char *arctemp2, *mktemp(); /* temp file stuff */
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+ char *arctemp2; /* temp file stuff */
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#endif
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#if GEMDOS
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VOID exitpause();
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@@ -114,8 +119,18 @@
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#endif
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#if !MSDOS
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{
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- static char tempname[] = "AXXXXXX";
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- strcat(arctemp, mktemp(tempname));
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+ static char tempname[] = "AXXXXXX.arc";
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+ int fd=-1;
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+ strcat(arctemp, tempname);
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+ if((fd = mkstemps(arctemp,4)) == -1 ||
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+ (new = fdopen(fd, "w+")) == NULL) {
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+ if (fd != -1) {
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+ unlink(arctemp);
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+ close(fd);
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+ }
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+ err(1, "can't create temp file %s", arctemp);
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+ }
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+
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}
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#else
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strcat(arctemp, "$ARCTEMP");
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@@ -148,8 +163,10 @@
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arc = fopen(arcname,OPEN_R); /* open the archives */
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if(!(src=fopen(srcname,OPEN_R)))
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arcdie("Cannot read source archive %s",srcname);
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+#if !defined(__OpenBSD__) && !defined(__FreeBSD__) /* this is insecure, see mkstemp(3) */
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if(!(new=fopen(newname,OPEN_W)))
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arcdie("Cannot create new archive %s",newname);
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+#endif
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if(!arc)
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printf("Creating new archive %s\n",arcname);
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@@ -283,7 +300,7 @@
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else return 0; /* or fake end of archive */
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}
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-copyfile(f,hdr,ver) /* copy a file from an archive */
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+int copyfile(f,hdr,ver) /* copy a file from an archive */
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FILE *f; /* archive to copy from */
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struct heads *hdr; /* header data for file */
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int ver; /* header version */
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