* defs.h (xstrndup): New prototypes.
* xmalloc.c (xstrndup): New function.
Signed-off-by: Masatake YAMATO <yam...@redhat.com>
---
defs.h | 1 +
xmalloc.c | 12 ++++++++++++
2 files changed, 13 insertions(+)
diff --git a/defs.h b/defs.h
index 52f40b3..063394e 100644
--- a/defs.h
+++ b/defs.h
@@ -398,6 +398,7 @@ void *xcalloc(size_t nmemb, size_t size)
void *xreallocarray(void *ptr, size_t nmemb, size_t size)
ATTRIBUTE_ALLOC_SIZE((2, 3));
char *xstrdup(const char *str) ATTRIBUTE_MALLOC;
+char *xstrndup(const char *str, size_t n) ATTRIBUTE_MALLOC;
extern int read_int_from_file(const char *, int *);
diff --git a/xmalloc.c b/xmalloc.c
index 1158927..c1ff3f5 100644
--- a/xmalloc.c
+++ b/xmalloc.c
@@ -85,3 +85,15 @@ char *xstrdup(const char *str)
return p;
}
+
+char *xstrndup(const char *str, size_t n)
+{
+ char *p = xmalloc(n + 1);
+
+ if (!p)
+ die_out_of_memory();
+
+ strncpy(p, str, n);
+ p[n] = '\0';
+ return p;
+}
--
2.9.4
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