scripts: "export VAR=VALUE" construct is not portable

diff --git a/entry.c b/entry.c
index acc892f9a62b5bc3d3442b044b29bf8d763bf3ba..7b7aa8167adade20f38cfb2709e02b3ed31f11a4 100644 (file)
--- a/entry.c
+++ b/entry.c
@@ -234,19 +234,30 @@ static int check_path(const char *path, int len, struct stat *st, int skiplen)
        return lstat(path, st);
 }
 
+/*
+ * Write the contents from ce out to the working tree.
+ *
+ * When topath[] is not NULL, instead of writing to the working tree
+ * file named by ce, a temporary file is created by this function and
+ * its name is returned in topath[], which must be able to hold at
+ * least TEMPORARY_FILENAME_LENGTH bytes long.
+ */
 int checkout_entry(struct cache_entry *ce,
                   const struct checkout *state, char *topath)
 {
-       static char path[PATH_MAX + 1];
+       static struct strbuf path_buf = STRBUF_INIT;
+       char *path;
        struct stat st;
-       int len = state->base_dir_len;
+       int len;
 
        if (topath)
                return write_entry(ce, topath, state, 1);
 
-       memcpy(path, state->base_dir, len);
-       strcpy(path + len, ce->name);
-       len += ce_namelen(ce);
+       strbuf_reset(&path_buf);
+       strbuf_add(&path_buf, state->base_dir, state->base_dir_len);
+       strbuf_add(&path_buf, ce->name, ce_namelen(ce));
+       path = path_buf.buf;
+       len = path_buf.len;
 
        if (!check_path(path, len, &st, state->base_dir_len)) {
                unsigned changed = ce_match_stat(ce, &st, CE_MATCH_IGNORE_VALID|CE_MATCH_IGNORE_SKIP_WORKTREE);