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path: root/src/libexecline/exlsn_multidefine.c
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Diffstat (limited to 'src/libexecline/exlsn_multidefine.c')
-rw-r--r--src/libexecline/exlsn_multidefine.c79
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 ;
+}