aboutsummaryrefslogtreecommitdiff
path: root/src/bin/pg_dump/dumputils.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/bin/pg_dump/dumputils.c')
-rw-r--r--src/bin/pg_dump/dumputils.c29
1 files changed, 25 insertions, 4 deletions
diff --git a/src/bin/pg_dump/dumputils.c b/src/bin/pg_dump/dumputils.c
index f3cece132d1..b1622d55aec 100644
--- a/src/bin/pg_dump/dumputils.c
+++ b/src/bin/pg_dump/dumputils.c
@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
- * $PostgreSQL: pgsql/src/bin/pg_dump/dumputils.c,v 1.17 2005/04/30 08:08:51 neilc Exp $
+ * $PostgreSQL: pgsql/src/bin/pg_dump/dumputils.c,v 1.18 2005/07/01 21:03:25 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -111,6 +111,27 @@ fmtId(const char *rawid)
void
appendStringLiteral(PQExpBuffer buf, const char *str, bool escapeAll)
{
+ bool has_escapes = false;
+ const char *str2 = str;
+
+ while (*str2)
+ {
+ char ch = *str2++;
+
+ if (ch == '\\' ||
+ ((unsigned char) ch < (unsigned char) ' ' &&
+ (escapeAll ||
+ (ch != '\t' && ch != '\n' && ch != '\v' &&
+ ch != '\f' && ch != '\r'))))
+ {
+ has_escapes = true;
+ break;
+ }
+ }
+
+ if (has_escapes)
+ appendPQExpBufferChar(buf, 'E');
+
appendPQExpBufferChar(buf, '\'');
while (*str)
{
@@ -122,9 +143,9 @@ appendStringLiteral(PQExpBuffer buf, const char *str, bool escapeAll)
appendPQExpBufferChar(buf, ch);
}
else if ((unsigned char) ch < (unsigned char) ' ' &&
- (escapeAll
- || (ch != '\t' && ch != '\n' && ch != '\v' && ch != '\f' && ch != '\r')
- ))
+ (escapeAll ||
+ (ch != '\t' && ch != '\n' && ch != '\v' &&
+ ch != '\f' && ch != '\r')))
{
/*
* generate octal escape for control chars other than