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hush: micro-optimization in new variable code

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This commit is contained in:
Denis Vlasenko 2007-05-25 10:00:36 +00:00
parent 28c0f0f4fe
commit 201c72a8d6
1 changed files with 5 additions and 5 deletions
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10
shell/hush.c
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@ -2703,12 +2703,13 @@ static int set_local_var(char *str, int flg_export)
return -1;
}
name_len = value - str;
name_len = value - str + 1; /* including '=' */
cur = top_var; /* cannot be NULL (we have HUSH_VERSION and it's RO) */
while (1) {
if (strncmp(cur->varstr, str, name_len) != 0 || cur->varstr[name_len] != '=') {
if (strncmp(cur->varstr, str, name_len) != 0) {
if (!cur->next) {
/* cur points to last var in linked list */
/* Bail out. Note that now cur points
* to last var in linked list */
break;
}
cur = cur->next;
@ -2837,8 +2838,7 @@ static int setup_redirect(struct p_context *ctx, int fd, redir_type style,
/* We do _not_ try to open the file that src points to,
* since we need to return and let src be expanded first.
* Set ctx->pending_redirect, so we know what to do at the
* end of the next parsed word.
*/
* end of the next parsed word. */
ctx->pending_redirect = redir;
}
return 0;