initial commit: rc for execline-2.0.0.0

1 files changed, 79 insertions, 0 deletions

diff --git a/src/libexecline/exlsn_multidefine.c b/src/libexecline/exlsn_multidefine.c
new file mode 100644
index 0000000..e64cbfd
--- /dev/null
+++ b/src/libexecline/exlsn_multidefine.c
@@ -0,0 +1,79 @@
+/* ISC license. */
+
+#include <skalibs/sgetopt.h>
+#include <skalibs/bytestr.h>
+#include <skalibs/stralloc.h>
+#include <skalibs/genalloc.h>
+#include <execline/execline.h>
+#include "exlsn.h"
+
+int exlsn_multidefine (int argc, char const **argv, char const *const *envp, exlsn_t *info)
+{
+  eltransforminfo_t si = ELTRANSFORMINFO_ZERO ;
+  subgetopt_t localopt = SUBGETOPT_ZERO ;
+  unsigned int varbase = info->vars.len ;
+  unsigned int valbase = info->values.len ;
+  unsigned int pos = valbase ;
+  unsigned int i = 0 ;
+  unsigned int max ;
+  char const *x ;
+  int argc1 ;
+  int zeroword = 0, likeread = 0 ;
+  si.split = 1 ;
+  for (;;)
+  {
+    register int opt = subgetopt_r(argc, argv, "0rnCcd:", &localopt) ;
+    if (opt < 0) break ;
+    switch (opt)
+    {
+      case '0' : zeroword = 1 ; break ;
+      case 'r' : likeread = 1 ; break ;
+      case 'n' : si.chomp = 1 ; break ;
+      case 'C' : si.crunch = 1 ; break ;
+      case 'c' : si.crunch = 0 ; break ;
+      case 'd' : si.delim = localopt.arg ; break ;
+      default : return -3 ;
+    }
+  }
+  argc -= localopt.ind ; argv += localopt.ind ;
+
+  if (argc < 2) return -3 ;
+  x = argv[0] ;
+  argv++ ; argc-- ;
+  argc1 = el_semicolon(argv) ;
+  if (argc1 >= argc) return -3 ;
+  if (!stralloc_cats(&info->values, x)) return -1 ;
+  {
+    register int r = el_transform(&info->values, valbase, &si) ;
+    if (r < 0) goto err ;
+    max = r ;
+  }
+  if (!stralloc_0(&info->values)) goto err ;
+  for (; i < (unsigned int)argc1 ; i++)
+  {
+    if (*argv[i])
+    {
+      elsubst_t blah ;
+      blah.var = info->vars.len ;
+      if (el_vardupl(argv[i], info->vars.s, info->vars.len)) goto err2 ;
+      if (!stralloc_catb(&info->vars, argv[i], str_len(argv[i]) + 1)) goto err ;
+      blah.value = i < max ? pos : info->values.len - 1 ;
+      blah.n = (i < max) || !zeroword ;
+      if (!genalloc_append(elsubst_t, &info->data, &blah)) goto err ;
+    }
+    if (i < max) pos += str_len(info->values.s + pos) + 1 ;
+  }
+  if ((i < max) && likeread) genalloc_s(elsubst_t, &info->data)[i-1].n = max - i + 1 ;
+
+  (void)envp ;
+  return localopt.ind + argc1 + 2 ;
+
+ err:
+  info->vars.len = varbase ;
+  info->values.len = valbase ;
+  return -1 ;
+ err2:
+  info->vars.len = varbase ;
+  info->values.len = valbase ;
+  return -2 ;
+}