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-rw-r--r--gdb/ChangeLog11
-rw-r--r--gdb/cli/cli-cmds.c6
-rw-r--r--gdb/common/pathstuff.c12
-rw-r--r--gdb/common/pathstuff.h5
-rw-r--r--gdb/nat/fork-inferior.c21
-rw-r--r--gdb/procfs.c4
-rw-r--r--gdb/windows-nat.c5
7 files changed, 36 insertions, 28 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index e949135..5c5c8b1 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,14 @@
+2018-10-27 Tom Tromey <tom@tromey.com>
+
+ * procfs.c (procfs_target::create_inferior): Use get_shell.
+ * cli/cli-cmds.c (shell_escape): Use get_shell.
+ * windows-nat.c (windows_nat_target::create_inferior): Use
+ get_shell.
+ * common/pathstuff.c (get_shell): New function.
+ * nat/fork-inferior.c (SHELL_FILE, get_startup_shell): Remove.
+ (fork_inferior): Use get_shell.
+ * common/pathstuff.h (get_shell): Declare.
+
2018-10-27 Philippe Waroquiers <philippe.waroquiers@skynet.be>
* NEWS: Mention changes to 'info [args|functions|locals|variables]'
diff --git a/gdb/cli/cli-cmds.c b/gdb/cli/cli-cmds.c
index b871e47..135f550 100644
--- a/gdb/cli/cli-cmds.c
+++ b/gdb/cli/cli-cmds.c
@@ -50,6 +50,7 @@
#include "cli/cli-utils.h"
#include "extension.h"
+#include "common/pathstuff.h"
#ifdef TUI
#include "tui/tui.h" /* For tui_active et.al. */
@@ -726,13 +727,10 @@ shell_escape (const char *arg, int from_tty)
if ((pid = vfork ()) == 0)
{
- const char *p, *user_shell;
+ const char *p, *user_shell = get_shell ();
close_most_fds ();
- if ((user_shell = getenv ("SHELL")) == NULL)
- user_shell = "/bin/sh";
-
/* Get the name of the shell for arg0. */
p = lbasename (user_shell);
diff --git a/gdb/common/pathstuff.c b/gdb/common/pathstuff.c
index 82905c9e..6d8e53f 100644
--- a/gdb/common/pathstuff.c
+++ b/gdb/common/pathstuff.c
@@ -190,3 +190,15 @@ get_standard_cache_dir ()
return {};
}
+
+/* See common/pathstuff.h. */
+
+const char *
+get_shell ()
+{
+ const char *ret = getenv ("SHELL");
+ if (ret == NULL)
+ ret = "/bin/sh";
+
+ return ret;
+}
diff --git a/gdb/common/pathstuff.h b/gdb/common/pathstuff.h
index a43b963..0a8caea 100644
--- a/gdb/common/pathstuff.h
+++ b/gdb/common/pathstuff.h
@@ -64,4 +64,9 @@ extern bool contains_dir_separator (const char *path);
extern std::string get_standard_cache_dir ();
+/* Return the file name of the user's shell. Normally this comes from
+ the SHELL environment variable. */
+
+extern const char *get_shell ();
+
#endif /* PATHSTUFF_H */
diff --git a/gdb/nat/fork-inferior.c b/gdb/nat/fork-inferior.c
index 40cd05a..f1032b4 100644
--- a/gdb/nat/fork-inferior.c
+++ b/gdb/nat/fork-inferior.c
@@ -24,16 +24,13 @@
#include "target/target.h"
#include "common-inferior.h"
#include "common-gdbthread.h"
+#include "common/pathstuff.h"
#include "signals-state-save-restore.h"
#include "gdb_tilde_expand.h"
#include <vector>
extern char **environ;
-/* Default shell file to be used if 'startup-with-shell' is set but
- $SHELL is not. */
-#define SHELL_FILE "/bin/sh"
-
/* Build the argument vector for execv(3). */
class execv_argv
@@ -265,20 +262,6 @@ execv_argv::init_for_shell (const char *exec_file,
m_argv.push_back (NULL);
}
-/* Return the shell that must be used to startup the inferior. The
- first attempt is the environment variable SHELL; if it is not set,
- then we default to SHELL_FILE. */
-
-static const char *
-get_startup_shell ()
-{
- const char *ret = getenv ("SHELL");
- if (ret == NULL)
- ret = SHELL_FILE;
-
- return ret;
-}
-
/* See nat/fork-inferior.h. */
pid_t
@@ -316,7 +299,7 @@ fork_inferior (const char *exec_file_arg, const std::string &allargs,
/* Figure out what shell to start up the user program under. */
if (shell_file == NULL)
- shell_file = get_startup_shell ();
+ shell_file = get_shell ();
gdb_assert (shell_file != NULL);
}
diff --git a/gdb/procfs.c b/gdb/procfs.c
index 6ffe569..ca381a7 100644
--- a/gdb/procfs.c
+++ b/gdb/procfs.c
@@ -3035,11 +3035,11 @@ procfs_target::create_inferior (const char *exec_file,
const std::string &allargs,
char **env, int from_tty)
{
- char *shell_file = getenv ("SHELL");
+ const char *shell_file = get_shell ();
char *tryname;
int pid;
- if (shell_file != NULL && strchr (shell_file, '/') == NULL)
+ if (strchr (shell_file, '/') == NULL)
{
/* We will be looking down the PATH to find shell_file. If we
diff --git a/gdb/windows-nat.c b/gdb/windows-nat.c
index 0047a26..8292cf4 100644
--- a/gdb/windows-nat.c
+++ b/gdb/windows-nat.c
@@ -68,6 +68,7 @@
#include "complaints.h"
#include "inf-child.h"
#include "gdb_tilde_expand.h"
+#include "common/pathstuff.h"
#define AdjustTokenPrivileges dyn_AdjustTokenPrivileges
#define DebugActiveProcessStop dyn_DebugActiveProcessStop
@@ -2578,9 +2579,7 @@ windows_nat_target::create_inferior (const char *exec_file,
}
else
{
- sh = getenv ("SHELL");
- if (!sh)
- sh = "/bin/sh";
+ sh = get_shell ();
if (cygwin_conv_path (CCP_POSIX_TO_WIN_W, sh, shell, __PMAX) < 0)
error (_("Error starting executable via shell: %d"), errno);
#ifdef __USEWIDE