diff options
Diffstat (limited to 'attr.c')
| -rw-r--r-- | attr.c | 59 |
1 files changed, 40 insertions, 19 deletions
@@ -32,9 +32,12 @@ struct git_attr { struct git_attr *next; unsigned h; int attr_nr; + int maybe_macro; + int maybe_real; char name[FLEX_ARRAY]; }; static int attr_nr; +static int cannot_trust_maybe_real; static struct git_attr_check *check_all_attr; static struct git_attr *(git_attr_hash[HASHSIZE]); @@ -95,10 +98,11 @@ static struct git_attr *git_attr_internal(const char *name, int len) a->h = hval; a->next = git_attr_hash[pos]; a->attr_nr = attr_nr++; + a->maybe_macro = 0; + a->maybe_real = 0; git_attr_hash[pos] = a; - check_all_attr = xrealloc(check_all_attr, - sizeof(*check_all_attr) * attr_nr); + REALLOC_ARRAY(check_all_attr, attr_nr); check_all_attr[a->attr_nr].attr = a; check_all_attr[a->attr_nr].value = ATTR__UNKNOWN; return a; @@ -211,7 +215,7 @@ static struct match_attr *parse_attr_line(const char *line, const char *src, name = cp; namelen = strcspn(name, blank); if (strlen(ATTRIBUTE_MACRO_PREFIX) < namelen && - !prefixcmp(name, ATTRIBUTE_MACRO_PREFIX)) { + starts_with(name, ATTRIBUTE_MACRO_PREFIX)) { if (!macro_ok) { fprintf(stderr, "%s not allowed: %s:%d\n", name, src, lineno); @@ -245,9 +249,10 @@ static struct match_attr *parse_attr_line(const char *line, const char *src, sizeof(*res) + sizeof(struct attr_state) * num_attr + (is_macro ? 0 : namelen + 1)); - if (is_macro) + if (is_macro) { res->u.attr = git_attr_internal(name, namelen); - else { + res->u.attr->maybe_macro = 1; + } else { char *p = (char *)&(res->state[num_attr]); memcpy(p, name, namelen); res->u.pat.pattern = p; @@ -267,6 +272,10 @@ static struct match_attr *parse_attr_line(const char *line, const char *src, /* Second pass to fill the attr_states */ for (cp = states, i = 0; *cp; i++) { cp = parse_attr(src, lineno, cp, &(res->state[i])); + if (!is_macro) + res->state[i].attr->maybe_real = 1; + if (res->state[i].attr->maybe_macro) + cannot_trust_maybe_real = 1; } return res; @@ -338,12 +347,7 @@ static void handle_attr_line(struct attr_stack *res, a = parse_attr_line(line, src, lineno, macro_ok); if (!a) return; - if (res->alloc <= res->num_matches) { - res->alloc = alloc_nr(res->num_matches); - res->attrs = xrealloc(res->attrs, - sizeof(struct match_attr *) * - res->alloc); - } + ALLOC_GROW(res->attrs, res->num_matches + 1, res->alloc); res->attrs[res->num_matches++] = a; } @@ -687,13 +691,14 @@ static int fill(const char *path, int pathlen, int basename_offset, return rem; } -static int macroexpand_one(int attr_nr, int rem) +static int macroexpand_one(int nr, int rem) { struct attr_stack *stk; struct match_attr *a = NULL; int i; - if (check_all_attr[attr_nr].value != ATTR__TRUE) + if (check_all_attr[nr].value != ATTR__TRUE || + !check_all_attr[nr].attr->maybe_macro) return rem; for (stk = attr_stack; !a && stk; stk = stk->prev) @@ -701,7 +706,7 @@ static int macroexpand_one(int attr_nr, int rem) struct match_attr *ma = stk->attrs[i]; if (!ma->is_macro) continue; - if (ma->u.attr->attr_nr == attr_nr) + if (ma->u.attr->attr_nr == nr) a = ma; } @@ -712,10 +717,13 @@ static int macroexpand_one(int attr_nr, int rem) } /* - * Collect all attributes for path into the array pointed to by - * check_all_attr. + * Collect attributes for path into the array pointed to by + * check_all_attr. If num is non-zero, only attributes in check[] are + * collected. Otherwise all attributes are collected. */ -static void collect_all_attrs(const char *path) +static void collect_some_attrs(const char *path, int num, + struct git_attr_check *check) + { struct attr_stack *stk; int i, pathlen, rem, dirlen; @@ -738,6 +746,19 @@ static void collect_all_attrs(const char *path) prepare_attr_stack(path, dirlen); for (i = 0; i < attr_nr; i++) check_all_attr[i].value = ATTR__UNKNOWN; + if (num && !cannot_trust_maybe_real) { + rem = 0; + for (i = 0; i < num; i++) { + if (!check[i].attr->maybe_real) { + struct git_attr_check *c; + c = check_all_attr + check[i].attr->attr_nr; + c->value = ATTR__UNSET; + rem++; + } + } + if (rem == num) + return; + } rem = attr_nr; for (stk = attr_stack; 0 < rem && stk; stk = stk->prev) @@ -748,7 +769,7 @@ int git_check_attr(const char *path, int num, struct git_attr_check *check) { int i; - collect_all_attrs(path); + collect_some_attrs(path, num, check); for (i = 0; i < num; i++) { const char *value = check_all_attr[check[i].attr->attr_nr].value; @@ -764,7 +785,7 @@ int git_all_attrs(const char *path, int *num, struct git_attr_check **check) { int i, count, j; - collect_all_attrs(path); + collect_some_attrs(path, 0, NULL); /* Count the number of attributes that are set. */ count = 0; |