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delta.c: use _cleanup_
[elogind.git] / src / delta / delta.c
diff --git a/src/delta/delta.c b/src/delta/delta.c
index 25c1f960fd8eda56137af9e5425c123081b6dd92..cc3420829ae2d1e9615606cd6ca52b7a0d135c88 100644 (file)
--- a/src/delta/delta.c
+++ b/src/delta/delta.c
@@ -39,32 +39,25 @@ static enum {
         SHOW_MASKED = 1 << 0,
         SHOW_EQUIVALENT = 1 << 1,
         SHOW_REDIRECTED = 1 << 2,
         SHOW_MASKED = 1 << 0,
         SHOW_EQUIVALENT = 1 << 1,
         SHOW_REDIRECTED = 1 << 2,
-        SHOW_OVERRIDEN = 1 << 3,
+        SHOW_OVERRIDDEN = 1 << 3,
         SHOW_UNCHANGED = 1 << 4,
 
         SHOW_DEFAULTS =
         SHOW_UNCHANGED = 1 << 4,
 
         SHOW_DEFAULTS =
-        (SHOW_MASKED | SHOW_EQUIVALENT | SHOW_REDIRECTED | SHOW_OVERRIDEN)
+        (SHOW_MASKED | SHOW_EQUIVALENT | SHOW_REDIRECTED | SHOW_OVERRIDDEN)
 } arg_flags = 0;
 
 static int equivalent(const char *a, const char *b) {
 } arg_flags = 0;
 
 static int equivalent(const char *a, const char *b) {
-        char *x, *y;
-        int r;
+        _cleanup_free_ char *x = NULL, *y = NULL;
 
         x = canonicalize_file_name(a);
         if (!x)
                 return -errno;
 
         y = canonicalize_file_name(b);
 
         x = canonicalize_file_name(a);
         if (!x)
                 return -errno;
 
         y = canonicalize_file_name(b);
-        if (!y) {
-                free(x);
+        if (!y)
                 return -errno;
                 return -errno;
-        }
-
-        r = path_equal(x, y);
-        free(x);
-        free(y);
 
 
-        return r;
+        return path_equal(x, y);
 }
 
 static int notify_override_masked(const char *top, const char *bottom) {
 }
 
 static int notify_override_masked(const char *top, const char *bottom) {
@@ -91,11 +84,11 @@ static int notify_override_redirected(const char *top, const char *bottom) {
         return 1;
 }
 
         return 1;
 }
 
-static int notify_override_overriden(const char *top, const char *bottom) {
-        if (!(arg_flags & SHOW_OVERRIDEN))
+static int notify_override_overridden(const char *top, const char *bottom) {
+        if (!(arg_flags & SHOW_OVERRIDDEN))
                 return 0;
 
                 return 0;
 
-        printf(ANSI_HIGHLIGHT_ON "[OVERRIDEN]" ANSI_HIGHLIGHT_OFF "  %s → %s\n", top, bottom);
+        printf(ANSI_HIGHLIGHT_ON "[OVERRIDDEN]" ANSI_HIGHLIGHT_OFF " %s → %s\n", top, bottom);
         return 1;
 }
 
         return 1;
 }
 
@@ -108,7 +101,7 @@ static int notify_override_unchanged(const char *f) {
 }
 
 static int found_override(const char *top, const char *bottom) {
 }
 
 static int found_override(const char *top, const char *bottom) {
-        char *dest;
+        _cleanup_free_ char *dest = NULL;
         int k;
         pid_t pid;
 
         int k;
         pid_t pid;
 
@@ -117,7 +110,7 @@ static int found_override(const char *top, const char *bottom) {
 
         if (null_or_empty_path(top) > 0) {
                 notify_override_masked(top, bottom);
 
         if (null_or_empty_path(top) > 0) {
                 notify_override_masked(top, bottom);
-                goto finish;
+                return 0;
         }
 
         k = readlink_malloc(top, &dest);
         }
 
         k = readlink_malloc(top, &dest);
@@ -127,13 +120,12 @@ static int found_override(const char *top, const char *bottom) {
                 else
                         notify_override_redirected(top, bottom);
 
                 else
                         notify_override_redirected(top, bottom);
 
-                free(dest);
-                goto finish;
+                return 0;
         }
 
         }
 
-        notify_override_overriden(top, bottom);
+        notify_override_overridden(top, bottom);
         if (!arg_diff)
         if (!arg_diff)
-                goto finish;
+                return 0;
 
         putchar('\n');
 
 
         putchar('\n');
 
@@ -153,14 +145,11 @@ static int found_override(const char *top, const char *bottom) {
 
         putchar('\n');
 
 
         putchar('\n');
 
-finish:
-
         return 0;
 }
 
 static int enumerate_dir(Hashmap *top, Hashmap *bottom, const char *path) {
         return 0;
 }
 
 static int enumerate_dir(Hashmap *top, Hashmap *bottom, const char *path) {
-        DIR *d;
-        int r = 0;
+        _cleanup_closedir_ DIR *d;
 
         assert(top);
         assert(bottom);
 
         assert(top);
         assert(bottom);
@@ -176,15 +165,14 @@ static int enumerate_dir(Hashmap *top, Hashmap *bottom, const char *path) {
         }
 
         for (;;) {
         }
 
         for (;;) {
-                struct dirent *de, buf;
+                struct dirent *de;
+                union dirent_storage buf;
                 int k;
                 char *p;
 
                 int k;
                 char *p;
 
-                k = readdir_r(d, &buf, &de);
-                if (k != 0) {
-                        r = -k;
-                        goto finish;
-                }
+                k = readdir_r(d, &buf.de, &de);
+                if (k != 0)
+                        return -k;
 
                 if (!de)
                         break;
 
                 if (!de)
                         break;
@@ -192,46 +180,37 @@ static int enumerate_dir(Hashmap *top, Hashmap *bottom, const char *path) {
                 if (!dirent_is_file(de))
                         continue;
 
                 if (!dirent_is_file(de))
                         continue;
 
-                p = join(path, "/", de->d_name, NULL);
-                if (!p) {
-                        r = -ENOMEM;
-                        goto finish;
-                }
+                p = strjoin(path, "/", de->d_name, NULL);
+                if (!p)
+                        return -ENOMEM;
 
                 path_kill_slashes(p);
 
                 k = hashmap_put(top, path_get_file_name(p), p);
                 if (k >= 0) {
                         p = strdup(p);
 
                 path_kill_slashes(p);
 
                 k = hashmap_put(top, path_get_file_name(p), p);
                 if (k >= 0) {
                         p = strdup(p);
-                        if (!p) {
-                                r = -ENOMEM;
-                                goto finish;
-                        }
+                        if (!p)
+                                return -ENOMEM;
                 } else if (k != -EEXIST) {
                         free(p);
                 } else if (k != -EEXIST) {
                         free(p);
-                        r = k;
-                        goto finish;
+                        return k;
                 }
 
                 free(hashmap_remove(bottom, path_get_file_name(p)));
                 k = hashmap_put(bottom, path_get_file_name(p), p);
                 if (k < 0) {
                         free(p);
                 }
 
                 free(hashmap_remove(bottom, path_get_file_name(p)));
                 k = hashmap_put(bottom, path_get_file_name(p), p);
                 if (k < 0) {
                         free(p);
-                        r = k;
-                        goto finish;
+                        return k;
                 }
         }
 
                 }
         }
 
-finish:
-        closedir(d);
-
-        return r;
+        return 0;
 }
 
 static int process_suffix(const char *prefixes, const char *suffix) {
         const char *p;
         char *f;
 }
 
 static int process_suffix(const char *prefixes, const char *suffix) {
         const char *p;
         char *f;
-        Hashmap *top, *bottom;
+        Hashmap *top, *bottom=NULL;
         int r = 0, k;
         Iterator i;
         int n_found = 0;
         int r = 0, k;
         Iterator i;
         int n_found = 0;
@@ -252,9 +231,9 @@ static int process_suffix(const char *prefixes, const char *suffix) {
         }
 
         NULSTR_FOREACH(p, prefixes) {
         }
 
         NULSTR_FOREACH(p, prefixes) {
-                char *t;
+                _cleanup_free_ char *t = NULL;
 
 
-                t = join(p, "/", suffix, NULL);
+                t = strjoin(p, "/", suffix, NULL);
                 if (!t) {
                         r = -ENOMEM;
                         goto finish;
                 if (!t) {
                         r = -ENOMEM;
                         goto finish;
@@ -265,7 +244,6 @@ static int process_suffix(const char *prefixes, const char *suffix) {
                         r = k;
 
                 log_debug("Looking at %s", t);
                         r = k;
 
                 log_debug("Looking at %s", t);
-                free(t);
         }
 
         HASHMAP_FOREACH(f, top, i) {
         }
 
         HASHMAP_FOREACH(f, top, i) {
@@ -307,7 +285,7 @@ static int process_suffix_chop(const char *prefixes, const char *suffix) {
         /* Strip prefix from the suffix */
         NULSTR_FOREACH(p, prefixes) {
                 if (startswith(suffix, p)) {
         /* Strip prefix from the suffix */
         NULSTR_FOREACH(p, prefixes) {
                 if (startswith(suffix, p)) {
-                        suffix += strlen(p);;
+                        suffix += strlen(p);
                         suffix += strspn(suffix, "/");
                         return process_suffix(prefixes, suffix);
                 }
                         suffix += strspn(suffix, "/");
                         return process_suffix(prefixes, suffix);
                 }
@@ -324,7 +302,7 @@ static void help(void) {
                "  -h --help           Show this help\n"
                "     --version        Show package version\n"
                "     --no-pager       Do not pipe output into a pager\n"
                "  -h --help           Show this help\n"
                "     --version        Show package version\n"
                "     --no-pager       Do not pipe output into a pager\n"
-               "     --diff[=1|0]     Show a diff when overriden files differ\n"
+               "     --diff[=1|0]     Show a diff when overridden files differ\n"
                "  -t --type=LIST...   Only display a selected set of override types\n",
                program_invocation_short_name);
 }
                "  -t --type=LIST...   Only display a selected set of override types\n",
                program_invocation_short_name);
 }
@@ -340,8 +318,8 @@ static int parse_flags(const char *flag_str, int flags) {
                         flags |= SHOW_EQUIVALENT;
                 else if (strncmp("redirected", w, l) == 0)
                         flags |= SHOW_REDIRECTED;
                         flags |= SHOW_EQUIVALENT;
                 else if (strncmp("redirected", w, l) == 0)
                         flags |= SHOW_REDIRECTED;
-                else if (strncmp("overriden", w, l) == 0)
-                        flags |= SHOW_OVERRIDEN;
+                else if (strncmp("overridden", w, l) == 0)
+                        flags |= SHOW_OVERRIDDEN;
                 else if (strncmp("unchanged", w, l) == 0)
                         flags |= SHOW_UNCHANGED;
                 else if (strncmp("default", w, l) == 0)
                 else if (strncmp("unchanged", w, l) == 0)
                         flags |= SHOW_UNCHANGED;
                 else if (strncmp("default", w, l) == 0)
@@ -453,8 +431,8 @@ int main(int argc, char *argv[]) {
                 "binfmt.d\0"
                 "systemd/system\0"
                 "systemd/user\0"
                 "binfmt.d\0"
                 "systemd/system\0"
                 "systemd/user\0"
-                "systemd/system.preset\0"
-                "systemd/user.preset\0"
+                "systemd/system-preset\0"
+                "systemd/user-preset\0"
                 "udev/rules.d\0"
                 "modprobe.d\0";
 
                 "udev/rules.d\0"
                 "modprobe.d\0";
 
@@ -472,9 +450,9 @@ int main(int argc, char *argv[]) {
                 arg_flags = SHOW_DEFAULTS;
 
         if (arg_diff < 0)
                 arg_flags = SHOW_DEFAULTS;
 
         if (arg_diff < 0)
-                arg_diff = !!(arg_flags & SHOW_OVERRIDEN);
+                arg_diff = !!(arg_flags & SHOW_OVERRIDDEN);
         else if (arg_diff)
         else if (arg_diff)
-                arg_flags |= SHOW_OVERRIDEN;
+                arg_flags |= SHOW_OVERRIDDEN;
 
         if (!arg_no_pager)
                 pager_open();
 
         if (!arg_no_pager)
                 pager_open();
@@ -503,7 +481,7 @@ int main(int argc, char *argv[]) {
         }
 
         if (r >= 0)
         }
 
         if (r >= 0)
-                printf("\n%i overriden configuration files found.\n", n_found);
+                printf("\n%i overridden configuration files found.\n", n_found);
 
 finish:
         pager_close();
 
 finish:
         pager_close();
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