From dd136052bcc8281dd3faa77e717cd7cec216f7c7 Mon Sep 17 00:00:00 2001
From: Peter Eisentraut <peter_e@gmx.net>
Date: Tue, 29 Nov 2011 22:04:59 +0200
Subject: [PATCH] Strip file names reported in error messages in vpath builds

In vpath builds, the __FILE__ macro that is used in verbose error
reports contains the full absolute file name, which makes the error
messages excessively verbose.  So keep only the base name, thus
matching the behavior of non-vpath builds.
---
 src/backend/utils/error/elog.c | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/src/backend/utils/error/elog.c b/src/backend/utils/error/elog.c
index 9a99fc7402b..0131c06ba4d 100644
--- a/src/backend/utils/error/elog.c
+++ b/src/backend/utils/error/elog.c
@@ -343,7 +343,14 @@ errstart(int elevel, const char *filename, int lineno,
 	edata->elevel = elevel;
 	edata->output_to_server = output_to_server;
 	edata->output_to_client = output_to_client;
-	edata->filename = filename;
+	if (filename)
+	{
+		const char *slash;
+
+		/* keep only base name, useful especially for vpath builds */
+		slash = strrchr(filename, '/');
+		edata->filename = slash ? slash + 1 : filename;
+	}
 	edata->lineno = lineno;
 	edata->funcname = funcname;
 	/* the default text domain is the backend's */
@@ -1142,7 +1149,14 @@ elog_start(const char *filename, int lineno, const char *funcname)
 	}
 
 	edata = &errordata[errordata_stack_depth];
-	edata->filename = filename;
+	if (filename)
+	{
+		const char *slash;
+
+		/* keep only base name, useful especially for vpath builds */
+		slash = strrchr(filename, '/');
+		edata->filename = slash ? slash + 1 : filename;
+	}
 	edata->lineno = lineno;
 	edata->funcname = funcname;
 	/* errno is saved now so that error parameter eval can't change it */
-- 
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