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authorgcc <gcc@7b3dc134-2b1b-0410-93df-9e9f96275f8d>2006-08-17 01:18:26 +0000
committergcc <gcc@7b3dc134-2b1b-0410-93df-9e9f96275f8d>2006-08-17 01:18:26 +0000
commit15f34685e7a9b5caf761af2ebf6afa20438d440b (patch)
treedc04ce3cdf040f198743c15b64557824de174680 /libc/stdio-common/tst-cookie.c
parent1e848e0e775a36f6359161f5deb890942ef42ff3 (diff)
Import glibc-mainline for 2006-08-16
git-svn-id: svn://svn.eglibc.org/fsf/trunk@4 7b3dc134-2b1b-0410-93df-9e9f96275f8d
Diffstat (limited to 'libc/stdio-common/tst-cookie.c')
-rw-r--r--libc/stdio-common/tst-cookie.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/libc/stdio-common/tst-cookie.c b/libc/stdio-common/tst-cookie.c
new file mode 100644
index 000000000..dcdabf323
--- /dev/null
+++ b/libc/stdio-common/tst-cookie.c
@@ -0,0 +1,92 @@
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#include <stdio.h>
+
+
+#define THE_COOKIE ((void *) 0xdeadbeeful)
+
+static int errors;
+
+
+static int cookieread_called;
+static ssize_t
+cookieread (void *cookie, char *buf, size_t count)
+{
+ printf ("`%s' called with cookie %#lx\n", __FUNCTION__,
+ (unsigned long int) cookie);
+ if (cookie != THE_COOKIE)
+ ++errors;
+ cookieread_called = 1;
+ return 42;
+}
+
+
+static int cookiewrite_called;
+static ssize_t
+cookiewrite (void *cookie, const char *buf, size_t count)
+{
+ printf ("`%s' called with cookie %#lx\n", __FUNCTION__,
+ (unsigned long int) cookie);
+ if (cookie != THE_COOKIE)
+ ++errors;
+ cookiewrite_called = 1;
+ return 43;
+}
+
+
+static int cookieseek_called;
+static int
+cookieseek (void *cookie, off64_t *offset, int whence)
+{
+ printf ("`%s' called with cookie %#lx\n", __FUNCTION__,
+ (unsigned long int) cookie);
+ if (cookie != THE_COOKIE)
+ ++errors;
+ cookieseek_called = 1;
+ return 44;
+}
+
+
+static int cookieclose_called;
+static int
+cookieclose (void *cookie)
+{
+ printf ("`%s' called with cookie %#lx\n", __FUNCTION__,
+ (unsigned long int) cookie);
+ if (cookie != THE_COOKIE)
+ ++errors;
+ cookieclose_called = 1;
+ return 45;
+}
+
+
+int
+main (void)
+{
+ cookie_io_functions_t fcts;
+ char buf[1];
+ FILE *f;
+
+ fcts.read = cookieread;
+ fcts.seek = cookieseek;
+ fcts.close = cookieclose;
+ fcts.write = cookiewrite;
+
+ f = fopencookie (THE_COOKIE, "r+", fcts);
+
+ fread (buf, 1, 1, f);
+ fwrite (buf, 1, 1, f);
+ fseek (f, 0, SEEK_CUR);
+ fclose (f);
+
+ if (cookieread_called == 0
+ || cookiewrite_called == 0
+ || cookieseek_called == 0
+ || cookieclose_called == 0)
+ ++errors;
+
+ return errors != 0;
+}