Blame procmail-3.22-truncate.patch
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--- procmail-3.22/src/mailfold.c.truncate 2007-03-27 13:24:05.000000000 +0200
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+++ procmail-3.22/src/mailfold.c 2007-03-27 13:25:06.000000000 +0200
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@@ -30,6 +30,7 @@
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int logopened,rawnonl;
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off_t lasttell;
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+static int trunced;
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static long lastdump;
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static volatile int mailread; /* if the mail is completely read in already */
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static struct dyna_array confield; /* escapes, concatenations */
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@@ -81,6 +82,7 @@
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long len;
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{ int i;long part;
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lasttell=i= -1;SETerrno(EBADF);
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+ trunced=0;
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if(s>=0)
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{ if(ft_lock(type)&&(lseek(s,(off_t)0,SEEK_END),fdlock(s)))
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nlog("Kernel-lock failed\n");
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@@ -120,13 +122,18 @@
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}
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writefin:
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i=type!=ft_PIPE&&fsync(s)&&errno!=EINVAL; /* EINVAL => wasn't a file */
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+ if ((i||len)&&lasttell>=0)
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+ { int serrno=errno;
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+ if(!ftruncate(s,lasttell)) trunced=1;
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+ SETerrno(serrno);
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+ }
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if(ft_lock(type))
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{ int serrno=errno; /* save any error information */
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if(fdunlock())
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nlog("Kernel-unlock failed\n");
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SETerrno(serrno);
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}
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- i=rclose(s)||i;
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+ i=rclose(s)||i; /* if this fails, we should truncate, but it's too late */
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} /* return an error even if nothing was to be sent */
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return i&&!len?-1:len;
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}
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@@ -237,7 +244,7 @@
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#endif
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default:writeerr(buf);
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}
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- if(lasttell>=0&&!truncate(boxname,lasttell)&&(logopened||verbose))
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+ if(lasttell>=0&&trunced&&(logopened||verbose))
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nlog("Truncated file to former size\n"); /* undo garbage */
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ret0: return 0;
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}
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