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authorTom Lane <tgl@sss.pgh.pa.us>2014-12-10 19:06:27 -0500
committerTom Lane <tgl@sss.pgh.pa.us>2014-12-10 19:06:27 -0500
commit24688f4e5a7d5fadde0e43a5b123432d81577d82 (patch)
tree8d42cf1bbf30e59ea8461464c9ecec625d02fd1c
parente39250c644ea7cd3904e4e24570db21a209cf97f (diff)
downloadpostgresql-24688f4e5a7d5fadde0e43a5b123432d81577d82.tar.gz
postgresql-24688f4e5a7d5fadde0e43a5b123432d81577d82.zip
Fix minor thinko in convertToJsonb().
The amount of space to reserve for the value's varlena header is VARHDRSZ, not sizeof(VARHDRSZ). The latter coding accidentally failed to fail because of the way the VARHDRSZ macro is currently defined; but if we ever change it to return size_t (as one might reasonably expect it to do), convertToJsonb() would have failed. Spotted by Mark Dilger.
-rw-r--r--src/backend/utils/adt/jsonb_util.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/utils/adt/jsonb_util.c b/src/backend/utils/adt/jsonb_util.c
index 2ff85396d01..c62941baa7b 100644
--- a/src/backend/utils/adt/jsonb_util.c
+++ b/src/backend/utils/adt/jsonb_util.c
@@ -1377,7 +1377,7 @@ convertToJsonb(JsonbValue *val)
initStringInfo(&buffer);
/* Make room for the varlena header */
- reserveFromBuffer(&buffer, sizeof(VARHDRSZ));
+ reserveFromBuffer(&buffer, VARHDRSZ);
convertJsonbValue(&buffer, &jentry, val, 0);