On tor, 2012-03-01 at 19:19 +0200, Peter Eisentraut wrote:
> I think the best fix would be to rearrange _PrintFileData() so that it
> doesn't use FH at all. Instead, we could define a separate
> ArchiveHandle field IF that works more like OF, and then change
> ahwrite() to use that.
Here is a patch that might fix this. I haven't been able to test this
properly, so this is just from tracing the code. It looks like
_PrintFileData() doesn't need to use FH at all, so it could use a local
file handle variable instead. Could someone verify this please?
diff --git i/src/bin/pg_dump/pg_backup_files.c w/src/bin/pg_dump/pg_backup_files.c
index a7fd91d..32b2a32 100644
--- i/src/bin/pg_dump/pg_backup_files.c
+++ w/src/bin/pg_dump/pg_backup_files.c
@@ -293,27 +293,32 @@ _PrintFileData(ArchiveHandle *AH, char *filename, RestoreOptions *ropt)
{
char buf[4096];
size_t cnt;
+#ifdef HAVE_LIBZ
+ gzFile fh;
+#else
+ FILE *fh;
+#endif
if (!filename)
return;
#ifdef HAVE_LIBZ
- AH->FH = gzopen(filename, "rb");
+ fh = gzopen(filename, "rb");
#else
- AH->FH = fopen(filename, PG_BINARY_R);
+ fh = fopen(filename, PG_BINARY_R);
#endif
- if (AH->FH == NULL)
+ if (!fh)
die_horribly(AH, modulename, "could not open input file \"%s\": %s\n",
filename, strerror(errno));
- while ((cnt = GZREAD(buf, 1, 4095, AH->FH)) > 0)
+ while ((cnt = GZREAD(buf, 1, 4095, fh)) > 0)
{
buf[cnt] = '\0';
ahwrite(buf, 1, cnt, AH);
}
- if (GZCLOSE(AH->FH) != 0)
+ if (GZCLOSE(fh) != 0)
die_horribly(AH, modulename, "could not close data file after reading\n");
}
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