am doc: add a pointer to relevant hooks

diff --git a/config.c b/config.c
index e1d66a145b756c49c4e4902200c354499532a428..d969a5aefc2bca92938d3fd7f6a507e884ce2b7f 100644 (file)
--- a/config.c
+++ b/config.c
@@ -969,25 +969,25 @@ static int git_default_mailmap_config(const char *var, const char *value)
 
 int git_default_config(const char *var, const char *value, void *dummy)
 {
-       if (!prefixcmp(var, "core."))
+       if (starts_with(var, "core."))
                return git_default_core_config(var, value);
 
-       if (!prefixcmp(var, "user."))
+       if (starts_with(var, "user."))
                return git_ident_config(var, value, dummy);
 
-       if (!prefixcmp(var, "i18n."))
+       if (starts_with(var, "i18n."))
                return git_default_i18n_config(var, value);
 
-       if (!prefixcmp(var, "branch."))
+       if (starts_with(var, "branch."))
                return git_default_branch_config(var, value);
 
-       if (!prefixcmp(var, "push."))
+       if (starts_with(var, "push."))
                return git_default_push_config(var, value);
 
-       if (!prefixcmp(var, "mailmap."))
+       if (starts_with(var, "mailmap."))
                return git_default_mailmap_config(var, value);
 
-       if (!prefixcmp(var, "advice."))
+       if (starts_with(var, "advice."))
                return git_default_advice_config(var, value);
 
        if (!strcmp(var, "pager.color") || !strcmp(var, "color.pager")) {
@@ -1210,15 +1210,14 @@ int git_config(config_fn_t fn, void *data)
  * Find all the stuff for git_config_set() below.
  */
 
-#define MAX_MATCHES 512
-
 static struct {
        int baselen;
        char *key;
        int do_not_match;
        regex_t *value_regex;
        int multi_replace;
-       size_t offset[MAX_MATCHES];
+       size_t *offset;
+       unsigned int offset_alloc;
        enum { START, SECTION_SEEN, SECTION_END_SEEN, KEY_SEEN } state;
        int seen;
 } store;
@@ -1241,11 +1240,11 @@ static int store_aux(const char *key, const char *value, void *cb)
                if (matches(key, value)) {
                        if (store.seen == 1 && store.multi_replace == 0) {
                                warning("%s has multiple values", key);
-                       } else if (store.seen >= MAX_MATCHES) {
-                               error("too many matches for %s", key);
-                               return 1;
                        }
 
+                       ALLOC_GROW(store.offset, store.seen + 1,
+                                  store.offset_alloc);
+
                        store.offset[store.seen] = cf->do_ftell(cf);
                        store.seen++;
                }
@@ -1273,11 +1272,15 @@ static int store_aux(const char *key, const char *value, void *cb)
                 * Do not increment matches: this is no match, but we
                 * just made sure we are in the desired section.
                 */
+               ALLOC_GROW(store.offset, store.seen + 1,
+                          store.offset_alloc);
                store.offset[store.seen] = cf->do_ftell(cf);
                /* fallthru */
        case SECTION_END_SEEN:
        case START:
                if (matches(key, value)) {
+                       ALLOC_GROW(store.offset, store.seen + 1,
+                                  store.offset_alloc);
                        store.offset[store.seen] = cf->do_ftell(cf);
                        store.state = KEY_SEEN;
                        store.seen++;
@@ -1285,6 +1288,9 @@ static int store_aux(const char *key, const char *value, void *cb)
                        if (strrchr(key, '.') - key == store.baselen &&
                              !strncmp(key, store.key, store.baselen)) {
                                        store.state = SECTION_SEEN;
+                                       ALLOC_GROW(store.offset,
+                                                  store.seen + 1,
+                                                  store.offset_alloc);
                                        store.offset[store.seen] = cf->do_ftell(cf);
                        }
                }
@@ -1583,6 +1589,7 @@ int git_config_set_multivar_in_file(const char *config_filename,
                        }
                }
 
+               ALLOC_GROW(store.offset, 1, store.offset_alloc);
                store.offset[0] = 0;
                store.state = START;
                store.seen = 0;
@@ -1872,7 +1879,7 @@ int parse_config_key(const char *var,
        const char *dot;
 
        /* Does it start with "section." ? */
-       if (prefixcmp(var, section) || var[section_len] != '.')
+       if (!starts_with(var, section) || var[section_len] != '.')
                return -1;
 
        /*