From 7d142c2c6e6b8d5ae62351dbab23967b78f12336 Mon Sep 17 00:00:00 2001
From: Rob Landley <rob@landley.net>
Date: Wed, 21 Aug 2019 17:35:29 -0500
Subject: Add xgetline (which the last sh checkin used, oops).

---
 lib/lib.h   |  1 +
 lib/xwrap.c | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

(limited to 'lib')

diff --git a/lib/lib.h b/lib/lib.h
index 9c5e9a37..25417105 100644
--- a/lib/lib.h
+++ b/lib/lib.h
@@ -186,6 +186,7 @@ void xsignal_flags(int signal, void *handler, int flags);
 void xsignal(int signal, void *handler);
 time_t xvali_date(struct tm *tm, char *str);
 void xparsedate(char *str, time_t *t, unsigned *nano, int endian);
+char *xgetline(FILE *fp, int *len);
 
 // lib.c
 void verror_msg(char *msg, int err, va_list va);
diff --git a/lib/xwrap.c b/lib/xwrap.c
index be57097d..317b149f 100644
--- a/lib/xwrap.c
+++ b/lib/xwrap.c
@@ -1052,3 +1052,18 @@ void xparsedate(char *str, time_t *t, unsigned *nano, int endian)
   if (oldtz) setenv("TZ", oldtz, 1);
   free(oldtz);
 }
+
+char *xgetline(FILE *fp, int *len)
+{
+  char *new = 0;
+  size_t linelen = 0;
+
+  errno = 0;
+  if (1>(linelen = getline(&new, &linelen, fp))) {
+    if (errno) perror_msg("getline");
+    new = 0;
+  } else if (new[linelen-1] == '\n') new[--linelen] = 0;
+  if (len) *len = linelen;
+
+  return new;
+}
-- 
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