coccinelle: polish FREE_AND_NULL rules
[gitweb.git] / bisect.c
index b79c1d464cac0646fdcc05bfb012ceb7fdd0a204..2a2b9b7267acbb8752015d64ec477f64c6047875 100644 (file)
--- a/bisect.c
+++ b/bisect.c
@@ -12,8 +12,8 @@
 #include "sha1-array.h"
 #include "argv-array.h"
 
-static struct sha1_array good_revs;
-static struct sha1_array skipped_revs;
+static struct oid_array good_revs;
+static struct oid_array skipped_revs;
 
 static struct object_id *current_bad_oid;
 
@@ -200,6 +200,7 @@ static struct commit_list *best_bisection_sorted(struct commit_list *list, int n
 {
        struct commit_list *p;
        struct commit_dist *array = xcalloc(nr, sizeof(*array));
+       struct strbuf buf = STRBUF_INIT;
        int cnt, i;
 
        for (p = list, cnt = 0; p; p = p->next) {
@@ -217,17 +218,18 @@ static struct commit_list *best_bisection_sorted(struct commit_list *list, int n
        }
        QSORT(array, cnt, compare_commit_dist);
        for (p = list, i = 0; i < cnt; i++) {
-               char buf[100]; /* enough for dist=%d */
                struct object *obj = &(array[i].commit->object);
 
-               snprintf(buf, sizeof(buf), "dist=%d", array[i].distance);
-               add_name_decoration(DECORATION_NONE, buf, obj);
+               strbuf_reset(&buf);
+               strbuf_addf(&buf, "dist=%d", array[i].distance);
+               add_name_decoration(DECORATION_NONE, buf.buf, obj);
 
                p->item = array[i].commit;
                p = p->next;
        }
        if (p)
                p->next = NULL;
+       strbuf_release(&buf);
        free(array);
        return list;
 }
@@ -413,9 +415,9 @@ static int register_ref(const char *refname, const struct object_id *oid,
                current_bad_oid = xmalloc(sizeof(*current_bad_oid));
                oidcpy(current_bad_oid, oid);
        } else if (starts_with(refname, good_prefix.buf)) {
-               sha1_array_append(&good_revs, oid->hash);
+               oid_array_append(&good_revs, oid);
        } else if (starts_with(refname, "skip-")) {
-               sha1_array_append(&skipped_revs, oid->hash);
+               oid_array_append(&skipped_revs, oid);
        }
 
        strbuf_release(&good_prefix);
@@ -430,15 +432,13 @@ static int read_bisect_refs(void)
 
 static GIT_PATH_FUNC(git_path_bisect_names, "BISECT_NAMES")
 static GIT_PATH_FUNC(git_path_bisect_expected_rev, "BISECT_EXPECTED_REV")
+static GIT_PATH_FUNC(git_path_bisect_terms, "BISECT_TERMS")
 
 static void read_bisect_paths(struct argv_array *array)
 {
        struct strbuf str = STRBUF_INIT;
        const char *filename = git_path_bisect_names();
-       FILE *fp = fopen(filename, "r");
-
-       if (!fp)
-               die_errno(_("Could not open file '%s'"), filename);
+       FILE *fp = xfopen(filename, "r");
 
        while (strbuf_getline_lf(&str, fp) != EOF) {
                strbuf_trim(&str);
@@ -451,13 +451,13 @@ static void read_bisect_paths(struct argv_array *array)
        fclose(fp);
 }
 
-static char *join_sha1_array_hex(struct sha1_array *array, char delim)
+static char *join_sha1_array_hex(struct oid_array *array, char delim)
 {
        struct strbuf joined_hexs = STRBUF_INIT;
        int i;
 
        for (i = 0; i < array->nr; i++) {
-               strbuf_addstr(&joined_hexs, sha1_to_hex(array->sha1[i]));
+               strbuf_addstr(&joined_hexs, oid_to_hex(array->oid + i));
                if (i + 1 < array->nr)
                        strbuf_addch(&joined_hexs, delim);
        }
@@ -499,8 +499,7 @@ struct commit_list *filter_skipped(struct commit_list *list,
        while (list) {
                struct commit_list *next = list->next;
                list->next = NULL;
-               if (0 <= sha1_array_lookup(&skipped_revs,
-                                          list->item->object.oid.hash)) {
+               if (0 <= oid_array_lookup(&skipped_revs, &list->item->object.oid)) {
                        if (skipped_first && !*skipped_first)
                                *skipped_first = 1;
                        /* Move current to tried list */
@@ -621,7 +620,7 @@ static void bisect_rev_setup(struct rev_info *revs, const char *prefix,
        argv_array_pushf(&rev_argv, bad_format, oid_to_hex(current_bad_oid));
        for (i = 0; i < good_revs.nr; i++)
                argv_array_pushf(&rev_argv, good_format,
-                                sha1_to_hex(good_revs.sha1[i]));
+                                oid_to_hex(good_revs.oid + i));
        argv_array_push(&rev_argv, "--");
        if (read_paths)
                read_bisect_paths(&rev_argv);
@@ -667,7 +666,7 @@ static int is_expected_rev(const struct object_id *oid)
        if (stat(filename, &st) || !S_ISREG(st.st_mode))
                return 0;
 
-       fp = fopen(filename, "r");
+       fp = fopen_or_warn(filename, "r");
        if (!fp)
                return 0;
 
@@ -682,7 +681,7 @@ static int is_expected_rev(const struct object_id *oid)
 
 static int bisect_checkout(const unsigned char *bisect_rev, int no_checkout)
 {
-       char bisect_rev_hex[GIT_SHA1_HEXSZ + 1];
+       char bisect_rev_hex[GIT_MAX_HEXSZ + 1];
 
        memcpy(bisect_rev_hex, sha1_to_hex(bisect_rev), GIT_SHA1_HEXSZ + 1);
        update_ref(NULL, "BISECT_EXPECTED_REV", bisect_rev, NULL, 0, UPDATE_REFS_DIE_ON_ERR);
@@ -701,11 +700,11 @@ static int bisect_checkout(const unsigned char *bisect_rev, int no_checkout)
        return run_command_v_opt(argv_show_branch, RUN_GIT_CMD);
 }
 
-static struct commit *get_commit_reference(const unsigned char *sha1)
+static struct commit *get_commit_reference(const struct object_id *oid)
 {
-       struct commit *r = lookup_commit_reference(sha1);
+       struct commit *r = lookup_commit_reference(oid);
        if (!r)
-               die(_("Not a valid commit name %s"), sha1_to_hex(sha1));
+               die(_("Not a valid commit name %s"), oid_to_hex(oid));
        return r;
 }
 
@@ -715,9 +714,9 @@ static struct commit **get_bad_and_good_commits(int *rev_nr)
        int i, n = 0;
 
        ALLOC_ARRAY(rev, 1 + good_revs.nr);
-       rev[n++] = get_commit_reference(current_bad_oid->hash);
+       rev[n++] = get_commit_reference(current_bad_oid);
        for (i = 0; i < good_revs.nr; i++)
-               rev[n++] = get_commit_reference(good_revs.sha1[i]);
+               rev[n++] = get_commit_reference(good_revs.oid + i);
        *rev_nr = n;
 
        return rev;
@@ -754,9 +753,9 @@ static void handle_bad_merge_base(void)
        exit(1);
 }
 
-static void handle_skipped_merge_base(const unsigned char *mb)
+static void handle_skipped_merge_base(const struct object_id *mb)
 {
-       char *mb_hex = sha1_to_hex(mb);
+       char *mb_hex = oid_to_hex(mb);
        char *bad_hex = oid_to_hex(current_bad_oid);
        char *good_hex = join_sha1_array_hex(&good_revs, ' ');
 
@@ -787,16 +786,16 @@ static void check_merge_bases(int no_checkout)
        result = get_merge_bases_many(rev[0], rev_nr - 1, rev + 1);
 
        for (; result; result = result->next) {
-               const unsigned char *mb = result->item->object.oid.hash;
-               if (!hashcmp(mb, current_bad_oid->hash)) {
+               const struct object_id *mb = &result->item->object.oid;
+               if (!oidcmp(mb, current_bad_oid)) {
                        handle_bad_merge_base();
-               } else if (0 <= sha1_array_lookup(&good_revs, mb)) {
+               } else if (0 <= oid_array_lookup(&good_revs, mb)) {
                        continue;
-               } else if (0 <= sha1_array_lookup(&skipped_revs, mb)) {
+               } else if (0 <= oid_array_lookup(&skipped_revs, mb)) {
                        handle_skipped_merge_base(mb);
                } else {
                        printf(_("Bisecting: a merge base must be tested\n"));
-                       exit(bisect_checkout(mb, no_checkout));
+                       exit(bisect_checkout(mb->hash, no_checkout));
                }
        }
 
@@ -905,7 +904,7 @@ static void show_diff_tree(const char *prefix, struct commit *commit)
 void read_bisect_terms(const char **read_bad, const char **read_good)
 {
        struct strbuf str = STRBUF_INIT;
-       const char *filename = git_path("BISECT_TERMS");
+       const char *filename = git_path_bisect_terms();
        FILE *fp = fopen(filename, "r");
 
        if (!fp) {
@@ -993,8 +992,10 @@ int bisect_next_all(const char *prefix, int no_checkout)
 
        steps_msg = xstrfmt(Q_("(roughly %d step)", "(roughly %d steps)",
                  steps), steps);
-       /* TRANSLATORS: the last %s will be replaced with
-          "(roughly %d steps)" translation */
+       /*
+        * TRANSLATORS: the last %s will be replaced with "(roughly %d
+        * steps)" translation.
+        */
        printf(Q_("Bisecting: %d revision left to test after this %s\n",
                  "Bisecting: %d revisions left to test after this %s\n",
                  nr), nr, steps_msg);