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virStrncpy: fix to successfully copy empty string

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After [1] we got failure on attempt to copy empty string.
Before the patch empty string was copied successfuly.
Restore the original behaviour.

[1] 7d70a63b util: Improve virStrncpy() implementation

Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Nikolay Shirokovskiy 2019-09-16 16:55:36 +03:00
parent 522b3d2b24
commit cd9cbeffe9
1 changed files with 1 additions and 1 deletions
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2
src/util/virstring.c
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@ -786,7 +786,7 @@ virStrncpy(char *dest, const char *src, size_t n, size_t destbytes)
if (n == -1)
n = src_len;
if (n <= 0 || n > src_len || n > (destbytes - 1))
if (n > src_len || n > (destbytes - 1))
return -1;
memcpy(dest, src, n);