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authorJelmer Vernooij <jelmer@samba.org>2005-09-28 21:54:29 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:39:08 -0500
commit87af8061c760b7d1eaa596183ac1635af73524b4 (patch)
treebc1b6026945a6213e178a2949d2b2217183c000b
parent4abb4797613868e518baafb5f3618e78f67ac05c (diff)
downloadsamba-87af8061c760b7d1eaa596183ac1635af73524b4.tar.gz
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r10592: Add "adfgets()" function, which allocates and reads a line from a fd.
Also add torture tests for this function and file_{load,save}. I've hardcoded a file name here.. should I handle that neater somehow? (This used to be commit 8fa383f182f1c4479979455968dd690edc0117ea)
-rw-r--r--source4/lib/util_file.c50
-rw-r--r--source4/torture/config.mk3
-rw-r--r--source4/torture/local/util_file.c101
-rw-r--r--source4/torture/torture.c1
4 files changed, 153 insertions, 2 deletions
diff --git a/source4/lib/util_file.c b/source4/lib/util_file.c
index 156d09aaf5..77066e78cc 100644
--- a/source4/lib/util_file.c
+++ b/source4/lib/util_file.c
@@ -2,6 +2,8 @@
* Unix SMB/CIFS implementation.
* SMB parameters and setup
* Copyright (C) Andrew Tridgell 1992-1998 Modified by Jeremy Allison 1995.
+ *
+ * Added afdgets() Jelmer Vernooij 2005
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free
@@ -96,6 +98,52 @@ char *fgets_slash(char *s2,int maxlen,XFILE *f)
return(s);
}
+/* Read one line (data until next newline or eof) and allocate it */
+char *afdgets(int fd, TALLOC_CTX *mem_ctx, size_t hint)
+{
+ char *data = NULL;
+ ssize_t alloc_size = 0, offset = 0, ret;
+ int p;
+
+ if (hint <= 0) hint = 0x100;
+
+ do {
+ alloc_size += hint;
+
+ data = talloc_realloc(mem_ctx, data, char, alloc_size);
+
+ if (!data)
+ return NULL;
+
+ ret = read(fd, data + offset, hint);
+
+ if (ret == -1) {
+ talloc_free(data);
+ return NULL;
+ }
+
+ /* Find newline */
+ for (p = 0; p < ret; p++) {
+ if (data[offset + p] == '\n')
+ break;
+ }
+
+ if (p < ret) {
+ data[offset + p] = '\0';
+
+ /* Go back to position of newline */
+ lseek(fd, p - ret + 1, SEEK_CUR);
+ return data;
+ }
+
+ offset += ret;
+
+ } while (ret == hint);
+
+ data[offset] = '\0';
+
+ return data;
+}
/****************************************************************************
@@ -287,7 +335,7 @@ void file_lines_slashcont(char **lines)
/*
save a lump of data into a file. Mostly used for debugging
*/
-BOOL file_save(const char *fname, void *packet, size_t length)
+BOOL file_save(const char *fname, const void *packet, size_t length)
{
int fd;
fd = open(fname, O_WRONLY|O_CREAT|O_TRUNC, 0644);
diff --git a/source4/torture/config.mk b/source4/torture/config.mk
index 12665c8e80..2aac08e3ad 100644
--- a/source4/torture/config.mk
+++ b/source4/torture/config.mk
@@ -149,7 +149,8 @@ ADD_OBJ_FILES = \
torture/local/socket.o \
torture/local/irpc.o \
torture/local/resolve.o \
- torture/local/util_strlist.o
+ torture/local/util_strlist.o \
+ torture/local/util_file.o
REQUIRED_SUBSYSTEMS = \
LIBSMB \
MESSAGING
diff --git a/source4/torture/local/util_file.c b/source4/torture/local/util_file.c
new file mode 100644
index 0000000000..5c5047de45
--- /dev/null
+++ b/source4/torture/local/util_file.c
@@ -0,0 +1,101 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ util_file testing
+
+ Copyright (C) Jelmer Vernooij 2005
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+#include "system/filesys.h"
+
+#define TEST_FILENAME "utilfile.test"
+#define TEST_LINE1 "This is list line 1..."
+#define TEST_LINE2 ".. and this is line 2"
+#define TEST_LINE3 "and end of the file"
+
+#define TEST_DATA TEST_LINE1 "\n" TEST_LINE2 "\n" TEST_LINE3
+
+static BOOL test_file_load_save(TALLOC_CTX *mem_ctx)
+{
+ BOOL ret;
+ size_t len;
+ char *data;
+
+ ret = file_save(TEST_FILENAME, TEST_DATA, strlen(TEST_DATA));
+ if (!ret)
+ return False;
+
+ data = file_load(TEST_FILENAME, &len, mem_ctx);
+ if (!data)
+ return False;
+
+ if (len != strlen(TEST_DATA))
+ return False;
+
+ if (memcmp(data, TEST_DATA, len) != 0)
+ return False;
+
+ unlink(TEST_FILENAME);
+
+ return True;
+}
+
+static BOOL test_afdgets(TALLOC_CTX *mem_ctx)
+{
+ int fd;
+ char *line;
+
+ if (!file_save(TEST_FILENAME, (const void *)TEST_DATA, strlen(TEST_DATA)))
+ return False;
+
+ fd = open(TEST_FILENAME, O_RDONLY);
+
+ if (fd == -1)
+ return False;
+
+ line = afdgets(fd, mem_ctx, 8);
+ if (strcmp(line, TEST_LINE1) != 0)
+ return False;
+
+ line = afdgets(fd, mem_ctx, 8);
+ if (strcmp(line, TEST_LINE2) != 0)
+ return False;
+
+ line = afdgets(fd, mem_ctx, 8);
+ if (strcmp(line, TEST_LINE3) != 0)
+ return False;
+
+ close(fd);
+
+ unlink(TEST_FILENAME);
+
+ return True;
+}
+
+BOOL torture_local_util_file(void)
+{
+ BOOL ret = True;
+ TALLOC_CTX *mem_ctx = talloc_init("test_util_file");
+
+ ret &= test_file_load_save(mem_ctx);
+ ret &= test_afdgets(mem_ctx);
+
+ talloc_free(mem_ctx);
+
+ return ret;
+}
diff --git a/source4/torture/torture.c b/source4/torture/torture.c
index e4284d5ba0..dfc63e6bd6 100644
--- a/source4/torture/torture.c
+++ b/source4/torture/torture.c
@@ -2322,6 +2322,7 @@ static struct {
{"LOCAL-IRPC", torture_local_irpc, 0},
{"LOCAL-BINDING", torture_local_binding_string, 0},
{"LOCAL-STRLIST", torture_local_util_strlist, 0},
+ {"LOCAL-FILE", torture_local_util_file, 0},
{"LOCAL-IDTREE", torture_local_idtree, 0},
{"LOCAL-SOCKET", torture_local_socket, 0},
{"LOCAL-PAC", torture_pac, 0},