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authorThomas Munro <tmunro@postgresql.org>2022-10-25 15:13:52 +1300
committerThomas Munro <tmunro@postgresql.org>2022-10-25 15:13:52 +1300
commit4650036f5ab81c93e3b6ed549ef672a325b79705 (patch)
tree011d5502765fd586853caee1ac3236e186ec7e29 /src
parent359d601095ce2361bad50f9f8b0bcfe4da1eb886 (diff)
downloadpostgresql-4650036f5ab81c93e3b6ed549ef672a325b79705.tar.gz
postgresql-4650036f5ab81c93e3b6ed549ef672a325b79705.zip
Fix readlink() return value on Windows.
Ancient bug noticed while working on a test suite for these functions. Discussion: https://postgr.es/m/CA%2BhUKG%2BajSQ_8eu2AogTncOnZ5me2D-Cn66iN_-wZnRjLN%2Bicg%40mail.gmail.com
Diffstat (limited to 'src')
-rw-r--r--src/port/dirmod.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/port/dirmod.c b/src/port/dirmod.c
index 51c9bded8fb..398787360a2 100644
--- a/src/port/dirmod.c
+++ b/src/port/dirmod.c
@@ -359,6 +359,9 @@ pgreadlink(const char *path, char *buf, size_t size)
return -1;
}
+ /* r includes the null terminator */
+ r -= 1;
+
/*
* If the path starts with "\??\", which it will do in most (all?) cases,
* strip those out.