crypto/shachain: detect if we're inserting a bogus hash.

[ccan] / tools / tools.c

diff --git a/tools/tools.c b/tools/tools.c
index 2a776f062a354cea9f233b011ef1a4122038d3b1..b78702d03a6d1ff26df2a1d412f3bb2965d40b67 100644 (file)
--- a/tools/tools.c
+++ b/tools/tools.c
@@ -5,6 +5,8 @@
 #include <ccan/read_write_all/read_write_all.h>
 #include <ccan/noerr/noerr.h>
 #include <ccan/time/time.h>
+#include <ccan/tal/path/path.h>
+#include <ccan/tal/grab_file/grab_file.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <sys/time.h>
@@ -25,42 +27,6 @@ bool tools_verbose = false;
 /* Ten minutes. */
 const unsigned int default_timeout_ms = 10 * 60 * 1000;
 
-char *tal_basename(const void *ctx, const char *dir)
-{
-       const char *p = strrchr(dir, '/');
-
-       if (!p)
-               return tal_strdup(ctx, dir);
-       return tal_strdup(ctx, p+1);
-}
-
-char *tal_dirname(const void *ctx, const char *dir)
-{
-       const char *p = strrchr(dir, '/');
-
-       if (!p)
-               return tal_strdup(ctx, ".");
-       return tal_strndup(ctx, dir, p - dir);
-}
-
-char *tal_getcwd(const void *ctx)
-{
-       unsigned int len;
-       char *cwd;
-
-       /* *This* is why people hate C. */
-       len = 32;
-       cwd = tal_arr(ctx, char, len);
-       while (!getcwd(cwd, len)) {
-               if (errno != ERANGE) {
-                       tal_free(cwd);
-                       return NULL;
-               }
-               tal_resize(&cwd, len *= 2);
-       }
-       return cwd;
-}
-
 static void killme(int sig)
 {
        kill(-getpid(), SIGKILL);
@@ -73,7 +39,7 @@ char *run_with_timeout(const void *ctx, const char *cmd,
        int p[2];
        struct rbuf in;
        int status, ms;
-       struct timespec start;
+       struct timeabs start;
 
        *ok = false;
        if (pipe(p) != 0)
@@ -105,7 +71,7 @@ char *run_with_timeout(const void *ctx, const char *cmd,
 
                signal(SIGALRM, killme);
                itim.it_interval.tv_sec = itim.it_interval.tv_usec = 0;
-               itim.it_value = timespec_to_timeval(time_from_msec(*timeout_ms));
+               itim.it_value = timespec_to_timeval(time_from_msec(*timeout_ms).ts);
                setitimer(ITIMER_REAL, &itim, NULL);
 
                status = system(cmd);
@@ -124,7 +90,7 @@ char *run_with_timeout(const void *ctx, const char *cmd,
        if (waitpid(pid, &status, 0) != pid)
                err(1, "Failed to wait for child");
 
-       ms = time_to_msec(time_sub(time_now(), start));
+       ms = time_to_msec(time_between(time_now(), start));
        if (ms > *timeout_ms)
                *timeout_ms = 0;
        else
@@ -229,35 +195,30 @@ void keep_temp_dir(void)
 
 char *temp_file(const void *ctx, const char *extension, const char *srcname)
 {
-       unsigned baselen;
-       char *f, *suffix = tal_strdup(ctx, "");
+       char *f, *base, *suffix;
        struct stat st;
        unsigned int count = 0;
 
-       srcname = tal_basename(ctx, srcname);
-       if (strrchr(srcname, '.'))
-               baselen = strrchr(srcname, '.') - srcname;
-       else
-               baselen = strlen(srcname);
+       base = path_join(ctx, temp_dir(), take(path_basename(ctx, srcname)));
+       /* Trim extension. */
+       base[path_ext_off(base)] = '\0';
+       suffix = tal_strdup(ctx, extension);
 
        do {
-               f = tal_fmt(ctx, "%s/%.*s%s%s",
-                           temp_dir(), baselen, srcname, suffix, extension);
-               tal_free(suffix);
-               suffix = tal_fmt(ctx, "-%u", ++count);
+               f = tal_strcat(ctx, base, suffix);
+               suffix = tal_fmt(base, "-%u%s", ++count, extension);
        } while (lstat(f, &st) == 0);
 
        if (tools_verbose)
                printf("Creating file %s\n", f);
 
-       tal_free(suffix);
+       tal_free(base);
        return f;
 }
 
 bool move_file(const char *oldname, const char *newname)
 {
        char *contents;
-       size_t size;
        int fd;
        bool ret;
 
@@ -272,7 +233,7 @@ bool move_file(const char *oldname, const char *newname)
        }
 
        /* Try copy and delete: not atomic! */
-       contents = tal_grab_file(NULL, oldname, &size);
+       contents = grab_file(NULL, oldname);
        if (!contents) {
                if (tools_verbose)
                        printf("read failed: %s\n", strerror(errno));
@@ -287,7 +248,7 @@ bool move_file(const char *oldname, const char *newname)
                goto free;
        }
 
-       ret = write_all(fd, contents, size);
+       ret = write_all(fd, contents, tal_count(contents)-1);
        if (close(fd) != 0)
                ret = false;
 
@@ -311,23 +272,3 @@ void *do_tal_realloc(void *p, size_t size)
        tal_resize((char **)&p, size);
        return p;
 }
-
-void *tal_grab_file(const void *ctx, const char *filename, size_t *size)
-{
-       struct rbuf rbuf;
-       char *buf = tal_arr(ctx, char, 0);
-
-       if (!rbuf_open(&rbuf, filename, buf, 0))
-               return tal_free(buf);
-
-       if (!rbuf_fill_all(&rbuf, do_tal_realloc) && errno)
-               rbuf.buf = tal_free(rbuf.buf);
-       else {
-               rbuf.buf[rbuf.len] = '\0';
-               if (size)
-                       *size = rbuf.len;
-       }
-       close(rbuf.fd);
-
-       return rbuf.buf;
-}