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Diffstat (limited to 'src/libexecline/el_execsequence.c')
-rw-r--r--src/libexecline/el_execsequence.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/src/libexecline/el_execsequence.c b/src/libexecline/el_execsequence.c
new file mode 100644
index 0000000..6b825af
--- /dev/null
+++ b/src/libexecline/el_execsequence.c
@@ -0,0 +1,41 @@
+/* ISC license. */
+
+#include <sys/types.h>
+#ifdef EXECLINE_OLD_VARNAMES
+#include <skalibs/bytestr.h>
+#endif
+#include <skalibs/djbunix.h>
+#include <skalibs/env.h>
+#include <skalibs/strerr2.h>
+#include <skalibs/uint.h>
+#include <execline/execline.h>
+
+void el_execsequence (char const *const *argv1, char const *const *argv2, char const *const *envp)
+{
+ if (!argv2[0])
+ {
+ pathexec0_run(argv1, envp) ;
+ strerr_dieexec(111, argv1[0]) ;
+ }
+ else
+ {
+ int wstat ;
+ unsigned int j = 2 ;
+#ifdef EXECLINE_OLD_VARNAMES
+ char fmt[UINT_FMT * 2 + 15] = "?=" ;
+#else
+ char fmt[UINT_FMT + 1] = "?=" ;
+#endif
+ pid_t pid = el_spawn0(argv1[0], argv1, envp) ;
+ if (!pid) strerr_warnwu2sys("spawn ", argv1[0]) ;
+ if (wait_pid(pid, &wstat) < 0)
+ strerr_diefu2sys(111, "wait for ", argv1[0]) ;
+ j += uint_fmt(fmt + j, wait_status(wstat)) ; fmt[j++] = 0 ;
+#ifdef EXECLINE_OLD_VARNAMES
+ byte_copy(fmt + j, 13, "LASTEXITCODE=") ; j += 13 ;
+ j += uint_fmt(fmt + j, wait_status(wstat)) ; fmt[j++] = 0 ;
+#endif
+ pathexec_r(argv2, envp, env_len(envp), fmt, j) ;
+ }
+ strerr_dieexec(111, argv2[0]) ;
+}