From 5bebfa17c5e71338fb77b7b737cee0f8ed04f077 Mon Sep 17 00:00:00 2001 From: "Erik M. Bray" Date: Tue, 10 Jan 2017 16:03:10 +0100 Subject: [PATCH] Add a /proc//environ proc file handler, analogous to /proc//cmdline. --- winsup/cygwin/fhandler_process.cc | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/winsup/cygwin/fhandler_process.cc b/winsup/cygwin/fhandler_process.cc index 5f530a207..bbb44fa56 100644 --- a/winsup/cygwin/fhandler_process.cc +++ b/winsup/cygwin/fhandler_process.cc @@ -49,6 +49,7 @@ static off_t format_process_ctty (void *, char *&); static off_t format_process_fd (void *, char *&); static off_t format_process_mounts (void *, char *&); static off_t format_process_mountinfo (void *, char *&); +static off_t format_process_environ (void *, char *&); static const virt_tab_t process_tab[] = { @@ -57,6 +58,7 @@ static const virt_tab_t process_tab[] = { _VN ("cmdline"), FH_PROCESS, virt_file, format_process_cmdline }, { _VN ("ctty"), FH_PROCESS, virt_file, format_process_ctty }, { _VN ("cwd"), FH_PROCESS, virt_symlink, format_process_cwd }, + { _VN ("environ"), FH_PROCESS, virt_file, format_process_environ }, { _VN ("exe"), FH_PROCESS, virt_symlink, format_process_exename }, { _VN ("exename"), FH_PROCESS, virt_file, format_process_exename }, { _VN ("fd"), FH_PROCESSFD, virt_directory, format_process_fd }, @@ -570,6 +572,26 @@ format_process_winexename (void *data, char *&destbuf) return len; } +static off_t +format_process_environ (void *data, char *&destbuf) +{ + _pinfo *p = (_pinfo *) data; + size_t fs; + + if (destbuf) + { + cfree (destbuf); + destbuf = NULL; + } + destbuf = p->environ (fs); + if (!destbuf || !*destbuf) + { + destbuf = cstrdup (""); + fs = strlen (destbuf) + 1; + } + return fs; +} + struct heap_info { struct heap -- 2.43.5