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We want to allow builds in chroots that lack /bin/sh. Thus, system(3)
and popen(3) need to be tweaked to use the right shell. For the bootstrap
glibc, we just use whatever `sh' can be found in $PATH. The final glibc
instead uses the hard-coded absolute file name of `bash'.
In addition, status should be initialized to 0 and not -1.
diff --git a/libio/iopopen.c b/libio/iopopen.c
index 4cc405f2de..8842c989c8 100644
--- a/libio/iopopen.c
+++ b/libio/iopopen.c
@@ -86,7 +86,7 @@ spawn_process (posix_spawn_file_actions_t *fa, FILE *fp, const char *command,
}
}
- err = __posix_spawn (&((_IO_proc_file *) fp)->pid, _PATH_BSHELL, fa, 0,
+ err = __posix_spawnp (&((_IO_proc_file *) fp)->pid, "sh", fa, 0,
(char *const[]){ (char*) "sh", (char*) "-c", (char*) "--",
(char *) command, NULL }, __environ);
if (err != 0)
diff --git a/sysdeps/posix/system.c b/sysdeps/posix/system.c
index 488b95163b..56b8a028ae 100644
--- a/sysdeps/posix/system.c
+++ b/sysdeps/posix/system.c
@@ -100,7 +100,7 @@ cancel_handler (void *arg)
static int
do_system (const char *line)
{
- int status = -1;
+ int status = 0;
int ret;
pid_t pid;
struct sigaction sa;
@@ -144,7 +144,7 @@ do_system (const char *line)
__posix_spawnattr_setflags (&spawn_attr,
POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK);
- ret = __posix_spawn (&pid, SHELL_PATH, 0, &spawn_attr,
+ ret = __posix_spawnp (&pid, SHELL_NAME, 0, &spawn_attr,
(char *const[]){ (char *) SHELL_NAME,
(char *) "-c",
(char *) "--",
diff --git a/include/spawn.h b/include/spawn.h
index 4a0b1849da..9e47f74391 100644
--- a/include/spawn.h
+++ b/include/spawn.h
@@ -5,6 +5,9 @@
__typeof (posix_spawn) __posix_spawn;
libc_hidden_proto (__posix_spawn)
+__typeof (posix_spawnp) __posix_spawnp;
+libc_hidden_proto (__posix_spawnp)
+
__typeof (posix_spawn_file_actions_addclose)
__posix_spawn_file_actions_addclose attribute_hidden;
--- a/posix/spawnp.c
+++ b/posix/spawnp.c
@@ -31,6 +31,7 @@ __posix_spawnp (pid_t *pid, const char *file,
SPAWN_XFLAGS_USE_PATH);
}
versioned_symbol (libc, __posix_spawnp, posix_spawnp, GLIBC_2_15);
+libc_hidden_def (__posix_spawnp)
#if SHLIB_COMPAT (libc, GLIBC_2_2, GLIBC_2_15)
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