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Diffstat (limited to 'run-command.c')
-rw-r--r--run-command.c30
1 files changed, 13 insertions, 17 deletions
diff --git a/run-command.c b/run-command.c
index 70e8a249d0..a2796c4cae 100644
--- a/run-command.c
+++ b/run-command.c
@@ -77,16 +77,14 @@ static void notify_parent(void)
static NORETURN void die_child(const char *err, va_list params)
{
- char msg[4096];
- int len = vsnprintf(msg, sizeof(msg), err, params);
- if (len > sizeof(msg))
- len = sizeof(msg);
-
- write_in_full(child_err, "fatal: ", 7);
- write_in_full(child_err, msg, len);
- write_in_full(child_err, "\n", 1);
+ vwritef(child_err, "fatal: ", err, params);
exit(128);
}
+
+static void error_child(const char *err, va_list params)
+{
+ vwritef(child_err, "error: ", err, params);
+}
#endif
static inline void set_cloexec(int fd)
@@ -127,9 +125,6 @@ static int wait_or_whine(pid_t pid, const char *argv0, int silent_exec_failure)
if (code == 127) {
code = -1;
failed_errno = ENOENT;
- if (!silent_exec_failure)
- error("cannot run %s: %s", argv0,
- strerror(ENOENT));
}
} else {
error("waitpid is confused (%s)", argv0);
@@ -217,6 +212,7 @@ fail_pipe:
set_cloexec(child_err);
}
set_die_routine(die_child);
+ set_error_routine(error_child);
close(notify_pipe[0]);
set_cloexec(notify_pipe[1]);
@@ -283,14 +279,14 @@ fail_pipe:
} else {
execvp(cmd->argv[0], (char *const*) cmd->argv);
}
- /*
- * Do not check for cmd->silent_exec_failure; the parent
- * process will check it when it sees this exit code.
- */
- if (errno == ENOENT)
+ if (errno == ENOENT) {
+ if (!cmd->silent_exec_failure)
+ error("cannot run %s: %s", cmd->argv[0],
+ strerror(ENOENT));
exit(127);
- else
+ } else {
die_errno("cannot exec '%s'", cmd->argv[0]);
+ }
}
if (cmd->pid < 0)
error("cannot fork() for %s: %s", cmd->argv[0],