From 984dbc024561cc4f7b6974c9836b4862d73d13a9 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Mon, 4 Aug 2025 16:30:18 +0000
Subject:  More utilities: s6rc_nlto0, s6rc_repo_set_listdeps

Signed-off-by: Laurent Bercot <ska@appnovation.com>
---
 src/libs6rc/s6rc_nlto0.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 src/libs6rc/s6rc_nlto0.c

(limited to 'src/libs6rc/s6rc_nlto0.c')

diff --git a/src/libs6rc/s6rc_nlto0.c b/src/libs6rc/s6rc_nlto0.c
new file mode 100644
index 0000000..6436cdb
--- /dev/null
+++ b/src/libs6rc/s6rc_nlto0.c
@@ -0,0 +1,33 @@
+/* ISC license. */
+
+#include <stdint.h>
+
+#include <skalibs/genalloc.h>
+
+#include <s6-rc/s6rc-utils.h>
+
+int s6rc_nlto0 (char *s, size_t start, size_t len, genalloc *indices)
+{
+  size_t origlen = genalloc_len(size_t, indices) ;
+  size_t pos = start ;
+  int wasnull = !indices->s ;
+  int inword = 0 ;
+
+  for (size_t i = start ; i < len ; i++)
+  {
+    if (s[i] == '\n')
+    {
+      s[i] = 0 ;
+      if (!genalloc_append(size_t, indices, &pos)) goto err ;
+      inword = 0 ;
+    }
+    else if (!inword) { pos = i ; inword = 1 ; }
+  }
+  if (inword) goto err ;
+  return 1 ;
+
+ err:
+  if (wasnull) genalloc_free(size_t, indices) ;
+  else genalloc_setlen(size_t, indices, origlen) ;
+  return 0 ;
+}
-- 
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