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| author | Tatsuo Ishii <ishii@postgresql.org> | 2002-11-26 02:22:29 +0000 |
|---|---|---|
| committer | Tatsuo Ishii <ishii@postgresql.org> | 2002-11-26 02:22:29 +0000 |
| commit | ac47950238480321862c3a0b66cb01c40af801db (patch) | |
| tree | c8aecd6a24d775546249c36b22f53f396385c033 | |
| parent | 9645fa8ccd579c18049b01c2270396cf3ca0c89a (diff) | |
| download | postgresql-ac47950238480321862c3a0b66cb01c40af801db.tar.gz postgresql-ac47950238480321862c3a0b66cb01c40af801db.zip | |
Guard against 0 length string encoding conversion case.
| -rw-r--r-- | src/backend/utils/mb/mbutils.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/backend/utils/mb/mbutils.c b/src/backend/utils/mb/mbutils.c index 6179fa9efd5..d66444d78d8 100644 --- a/src/backend/utils/mb/mbutils.c +++ b/src/backend/utils/mb/mbutils.c @@ -4,7 +4,7 @@ * (currently mule internal code (mic) is used) * Tatsuo Ishii * - * $Header: /cvsroot/pgsql/src/backend/utils/mb/mbutils.c,v 1.36 2002/11/02 18:41:22 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/mb/mbutils.c,v 1.37 2002/11/26 02:22:29 ishii Exp $ */ #include "postgres.h" @@ -165,6 +165,9 @@ pg_do_encoding_conversion(unsigned char *src, int len, if (src_encoding == PG_SQL_ASCII || dest_encoding == PG_SQL_ASCII) return src; + if (len <= 0) + return src; + proc = FindDefaultConversionProc(src_encoding, dest_encoding); if (!OidIsValid(proc)) { @@ -320,6 +323,9 @@ perform_default_encoding_conversion(unsigned char *src, int len, bool is_client_ dest_encoding; FmgrInfo *flinfo; + if (len <= 0) + return src; + if (is_client_to_server) { src_encoding = ClientEncoding->encoding; |