tdb2: allow readonly changes even while holding locks.

[ccan] / tools / namespacize.c

diff --git a/tools/namespacize.c b/tools/namespacize.c
index 3fa040282b13022c546f8d3e8ecac452a3fccd47..100d79428a1a1de6877c298d48c11e3bab5a0245 100644 (file)
--- a/tools/namespacize.c
+++ b/tools/namespacize.c
@@ -16,10 +16,6 @@
 #include "ccan/talloc/talloc.h"
 #include "tools.h"
 
-#define IDENT_CHARS    "ABCDEFGHIJKLMNOPQRSTUVWXYZ" \
-                       "abcdefghijklmnopqrstuvwxyz" \
-                       "01234567889_"
-
 static bool verbose = false;
 static int indent = 0;
 #define verbose(args...)                                               \
@@ -57,7 +53,8 @@ static char **get_dir(const char *dir)
                names[size++]
                        = talloc_asprintf(names, "%s/%s", dir, ent->d_name);
        }
-       names[size++] = NULL;
+       /* FIXME: if the loop doesn't run at least once, we'll segfault here */
+       names[size] = NULL;
        closedir(d);
        return names;
 }
@@ -106,15 +103,6 @@ static void add_replace_tok(struct replace **repl, const char *s)
        *repl = new;
 }
 
-static char *basename(const void *ctx, const char *dir)
-{
-       char *p = strrchr(dir, '/');
-
-       if (!p)
-               return (char *)dir;
-       return talloc_strdup(ctx, p+1);
-}
-
 static void look_for_macros(char *contents, struct replace **repl)
 {
        char *p;
@@ -124,7 +112,7 @@ static void look_for_macros(char *contents, struct replace **repl)
        for (p = contents; *p; p++) {
                if (*p == '\n')
                        state = LINESTART;
-               else if (!isspace(*p)) {
+               else if (!cisspace(*p)) {
                        if (state == LINESTART && *p == '#')
                                state = HASH;
                        else if (state==HASH && !strncmp(p, "define", 6)) {
@@ -190,9 +178,9 @@ static char *get_statement(const void *ctx, char **p)
                                return answer;
                        }
                        /* Compress whitespace into a single ' ' */
-                       if (isspace(c)) {
+                       if (cisspace(c)) {
                                c = ' ';
-                               while (isspace((*p)[1]))
+                               while (cisspace((*p)[1]))
                                        (*p)++;
                        } else if (c == '{' || c == '(' || c == '[') {
                                if (c == '(')
@@ -273,7 +261,7 @@ static void analyze_headers(const char *dir, struct replace **repl)
        char *hdr, *contents;
 
        /* Get hold of header, assume that's it. */
-       hdr = talloc_asprintf(dir, "%s/%s.h", dir, basename(dir, dir));
+       hdr = talloc_asprintf(dir, "%s/%s.h", dir, talloc_basename(dir, dir));
        contents = grab_file(dir, hdr, NULL);
        if (!contents)
                err(1, "Reading %s", hdr);
@@ -329,11 +317,11 @@ static char *find_word(char *f, const char *str)
 
        while ((p = strstr(p, str)) != NULL) {
                /* Check it's not in the middle of a word. */
-               if (p > f && (isalnum(p[-1]) || p[-1] == '_')) {
+               if (p > f && (cisalnum(p[-1]) || p[-1] == '_')) {
                        p++;
                        continue;
                }
-               if (isalnum(p[strlen(str)]) || p[strlen(str)] == '_') {
+               if (cisalnum(p[strlen(str)]) || p[strlen(str)] == '_') {
                        p++;
                        continue;
                }
@@ -363,7 +351,7 @@ static const char *rewrite_file(const char *filename,
 
                        off = p - file;
                        memcpy(new, file, off);
-                       if (isupper(repl->string[0]))
+                       if (cisupper(repl->string[0]))
                                memcpy(new + off, "CCAN_", 5);
                        else
                                memcpy(new + off, "ccan_", 5);
@@ -419,7 +407,7 @@ static void setup_adjust_files(const char *dir,
 static void rename_files(const struct adjusted *adj)
 {
        while (adj) {
-               if (rename(adj->tmpfile, adj->file) != 0)
+               if (!move_file(adj->tmpfile, adj->file))
                        warn("Could not rename over '%s', we're in trouble",
                             adj->file);
                adj = adj->next;
@@ -458,32 +446,19 @@ static struct replace *read_replacement_file(const char *depdir)
                return NULL;
        }
 
-       for (line = strsplit(file, file, "\n", NULL); *line; line++)
+       for (line = strsplit(file, file, "\n"); *line; line++)
                add_replace(&repl, *line);
        return repl;
 }
 
-static char *parent_dir(const void *ctx, const char *dir)
-{
-       char *parent, *slash;
-
-       parent = talloc_strdup(ctx, dir);
-       slash = strrchr(parent, '/');
-       if (slash)
-               *slash = '\0';
-       else
-               parent = talloc_strdup(ctx, ".");
-       return parent;
-}
-
 static void adjust_dir(const char *dir)
 {
-       char *parent = parent_dir(talloc_autofree_context(), dir);
+       char *parent = talloc_dirname(talloc_autofree_context(), dir);
        char **deps;
 
        verbose("Adjusting %s\n", dir);
        verbose_indent();
-       for (deps = get_deps(parent, dir); *deps; deps++) {
+       for (deps = get_deps(parent, dir, false, NULL); *deps; deps++) {
                char *depdir;
                struct adjusted *adj = NULL;
                struct replace *repl;
@@ -504,25 +479,28 @@ static void adjust_dir(const char *dir)
 
 static void adjust_dependents(const char *dir)
 {
-       char *parent = parent_dir(NULL, dir);
-       char *base = basename(parent, dir);
+       char *parent = talloc_dirname(NULL, dir);
+       char *base = talloc_basename(parent, dir);
        char **file;
 
        verbose("Looking for dependents in %s\n", parent);
        verbose_indent();
        for (file = get_dir(parent); *file; file++) {
-               char *infoc, **deps;
+               char *info, **deps;
                bool isdep = false;
 
-               if (basename(*file, *file)[0] == '.')
+               if (talloc_basename(*file, *file)[0] == '.')
                        continue;
 
-               infoc = talloc_asprintf(*file, "%s/_info.c", *file);
-               if (access(infoc, R_OK) != 0)
+               info = talloc_asprintf(*file, "%s/_info", *file);
+               if (access(info, R_OK) != 0)
                        continue;
 
-               for (deps = get_deps(*file, *file); *deps; deps++) {
-                       if (streq(*deps, base))
+               for (deps = get_deps(*file, *file, false, NULL);
+                    *deps; deps++) {
+                       if (!strstarts(*deps, "ccan/"))
+                               continue;
+                       if (streq(*deps + strlen("ccan/"), base))
                                isdep = true;
                }
                if (isdep)