tools: use tal/grab_file

[ccan] / tools / tools.c

diff --git a/tools/tools.c b/tools/tools.c
index dc42ae47ac427fdc46065d0262c7386738aadb54..f0a9ad46f1e8e48307cedc1b9f4ef608a8a9aac4 100644 (file)
--- a/tools/tools.c
+++ b/tools/tools.c
@@ -6,6 +6,7 @@
 #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>
@@ -218,7 +219,6 @@ char *temp_file(const void *ctx, const char *extension, const char *srcname)
 bool move_file(const char *oldname, const char *newname)
 {
        char *contents;
-       size_t size;
        int fd;
        bool ret;
 
@@ -233,7 +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));
@@ -248,7 +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;
 
@@ -272,23 +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;
-}