Add export-array; update deps

Signed-off-by: Laurent Bercot <ska@appnovation.com>

2 files changed, 57 insertions, 0 deletions

diff --git a/src/execline/deps-exe/export-array b/src/execline/deps-exe/export-array
new file mode 100644
index 0000000..97021b5
--- /dev/null
+++ b/src/execline/deps-exe/export-array
@@ -0,0 +1,2 @@
+${LIBEXECLINE}
+-lskarnet
diff --git a/src/execline/export-array.c b/src/execline/export-array.c
new file mode 100644
index 0000000..d883c2d
--- /dev/null
+++ b/src/execline/export-array.c
@@ -0,0 +1,55 @@
+/* ISC license. */
+
+#include <string.h>
+
+#include <skalibs/sgetopt.h>
+#include <skalibs/strerr.h>
+#include <skalibs/stralloc.h>
+#include <skalibs/netstring.h>
+#include <skalibs/exec.h>
+
+#include <execline/execline.h>
+
+#define USAGE "export-array [ -d delim ] variable { value-list } prog..."
+#define dieusage() strerr_dieusage(100, USAGE)
+#define dienomem() strerr_diefu1sys(111, "stralloc_catb")
+
+int main (int argc, char const **argv)
+{
+  stralloc sa = STRALLOC_ZERO ;
+  char const *var ;
+  int argc1 ;
+  char delim = 0 ;
+  PROG = "export-array" ;
+  {
+    subgetopt l = SUBGETOPT_ZERO ;
+    for (;;)
+    {
+      int opt = subgetopt_r(argc, argv, "d", &l) ;
+      if (opt == -1) break ;
+      switch (opt)
+      {
+        case 'd' : delim = *l.arg ; break ;
+        default : dieusage() ;
+      }
+    }
+    argc -= l.ind ; argv += l.ind ;
+  }
+  if (argc < 2) dieusage() ;
+  var = *argv++ ; argc-- ;
+  if (strchr(var, '=')) strerr_dief2x(100, "invalid variable name: ", var) ;
+  
+  argc1 = el_semicolon(argv) ;
+  if (!argc1) strerr_dief1x(100, "empty block") ;
+  if (argc1 >= argc) strerr_dief1x(100, "unterminated block") ;
+  if (argc1 + 1 == argc) dieusage() ;
+
+  if (!stralloc_cats(&sa, var) || !stralloc_catb(&sa, "=", 1)) dienomem() ;
+  for (; argc1 ; argv++, argc1--)
+  {
+    if (delim ? !stralloc_cats(&sa, *argv) || !stralloc_catb(&sa, &delim, 1) : !netstring_appends(&sa, *argv)) dienomem() ;
+  }
+  if (!stralloc_0(&sa)) dienomem() ;
+
+  xmexec_n(argv + 1, sa.s, sa.len, 1) ;
+}