diff options
Diffstat (limited to 'src/buffer.c')
| -rw-r--r-- | src/buffer.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/buffer.c b/src/buffer.c index def3496ce..c57e4aa1b 100644 --- a/src/buffer.c +++ b/src/buffer.c @@ -111,8 +111,10 @@ int git_buf_set(git_buf *buf, const char *data, size_t len) if (len == 0 || data == NULL) { git_buf_clear(buf); } else { - ENSURE_SIZE(buf, len + 1); - memmove(buf->ptr, data, len); + if (data != buf->ptr) { + ENSURE_SIZE(buf, len + 1); + memmove(buf->ptr, data, len); + } buf->size = len; buf->ptr[buf->size] = '\0'; } @@ -179,7 +181,7 @@ void git_buf_copy_cstr(char *data, size_t datasize, const git_buf *buf) { size_t copylen; - assert(data && datasize); + assert(data && datasize && buf); data[0] = '\0'; @@ -205,7 +207,7 @@ void git_buf_consume(git_buf *buf, const char *end) void git_buf_truncate(git_buf *buf, ssize_t len) { - if (len < buf->size) { + if (len >= 0 && len < buf->size) { buf->size = len; buf->ptr[buf->size] = '\0'; } |