From 6411e720c0ace296476757913bc787878cd87989 Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Thu, 14 Nov 2002 00:50:04 +0000 Subject: Wed Nov 13 19:51:05 2002 Andrew Cagney * utils.c (gdb_realpath): Add comment mentioning realpath with a NULL buffer. --- gdb/ChangeLog | 5 +++++ gdb/utils.c | 9 +++++++++ 2 files changed, 14 insertions(+) (limited to 'gdb') diff --git a/gdb/ChangeLog b/gdb/ChangeLog index ed1bcdf..157d534 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +Wed Nov 13 19:51:05 2002 Andrew Cagney + + * utils.c (gdb_realpath): Add comment mentioning realpath with a + NULL buffer. + 2002-11-13 Andrew Cagney * regcache.h (deprecated_read_register_bytes): Rename diff --git a/gdb/utils.c b/gdb/utils.c index 62e4020..06fb593 100644 --- a/gdb/utils.c +++ b/gdb/utils.c @@ -2739,6 +2739,15 @@ gdb_realpath (const char *filename) } #endif + /* FIXME: cagney/2002-11-13: + + Method 2a: Use realpath() with a NULL buffer. Some systems, due + to the problems described in in method 3, have modified their + realpath() implementation so that it will allocate a buffer when + NULL is passed in. Before this can be used, though, some sort of + configure time test would need to be added. Otherwize the code + will likely core dump. */ + /* Method 3: Now we're getting desperate! The system doesn't have a compile time buffer size and no alternative function. Query the OS, using pathconf(), for the buffer limit. Care is needed -- cgit v1.1