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-rw-r--r--util.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/util.c b/util.c
index 14d3868..507f012 100644
--- a/util.c
+++ b/util.c
@@ -33,6 +33,17 @@ char *xstrdup(const char *s)
return d;
}
+char *xstrndup(const char *s, size_t n)
+{
+ size_t len = strnlen(s, n) + 1;
+ char *d = xmalloc(len);
+
+ memcpy(d, s, len - 1);
+ d[len - 1] = '\0';
+
+ return d;
+}
+
int xavsprintf_append(char **strp, const char *fmt, va_list ap)
{
int n, size = 0; /* start with 128 bytes */