commit b710ee81fcdb077d6ff088aa5beab021f58dc3d9
parent 4cf7643094e76bab00c5ba370effca3e72f2c7ba
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date: Wed, 29 Nov 2023 08:39:32 +0100
ed: Add copystring()
This makes possible to use the function to initialize the string from
an existing char array.
Diffstat:
| M | ed.c | | | 18 | ++++++++++++++++++ |
1 file changed, 18 insertions(+), 0 deletions(-)
diff --git a/ed.c b/ed.c
@@ -122,6 +122,24 @@ prevln(int line)
}
static String *
+copystring(String *s, char *from)
+{
+ size_t len;
+ char *t;
+
+ if ((t = strdup(from)) == NULL)
+ error("out of memory");
+ len = strlen(t);
+
+ free(s->str);
+ s->str = t;
+ s->siz = len;
+ s->cap = len;
+
+ return s;
+}
+
+static String *
string(String *s)
{
free(s->str);
