mgorny created this revision.
mgorny added reviewers: krytarowski, vitalybuka.
Herald added subscribers: Sanitizers, llvm-commits, kubamracek.
Repository:
rCRT Compiler Runtime
https://reviews.llvm.org/D56154
Files:
test/sanitizer_common/TestCases/NetBSD/funopen.cc
test/sanitizer_common/TestCases/NetBSD/funopen2.cc
Index: test/sanitizer_common/TestCases/NetBSD/funopen2.cc
===================================================================
--- /dev/null
+++ test/sanitizer_common/TestCases/NetBSD/funopen2.cc
@@ -0,0 +1,104 @@
+// RUN: %clangxx -g %s -o %t && %run %t | FileCheck %s
+
+// CHECK: READ CALLED; len={{[0-9]*}}
+// CHECK-NEXT: READ: test
+// CHECK-NEXT: WRITE CALLED: test
+// CHECK-NEXT: READ CALLED; len={{[0-9]*}}
+// CHECK-NEXT: READ: test
+// CHECK-NEXT: WRITE CALLED: test
+// CHECK-NEXT: CLOSE CALLED
+// CHECK-NEXT: SEEK CALLED; off=100, whence=0
+// CHECK-NEXT: READ CALLED; len={{[0-9]*}}
+// CHECK-NEXT: READ: test
+// CHECK-NEXT: WRITE CALLED: test
+// CHECK-NEXT: FLUSH CALLED
+// CHECK-NEXT: WRITE CALLED: test
+// CHECK-NEXT: FLUSH CALLED
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int cookie_var;
+
+ssize_t f_read(void *cookie, void *buf, size_t len) {
+ assert(cookie == &cookie_var);
+ assert(len >= 6);
+ printf("READ CALLED; len=%zd\n", len);
+ return strlcpy((char*)buf, "test\n", len);
+}
+
+ssize_t f_write(void *cookie, const void *buf, size_t len) {
+ assert(cookie == &cookie_var);
+ char *data = strndup((char*)buf, len);
+ assert(data);
+ printf("WRITE CALLED: %s\n", data);
+ free(data);
+ return len;
+}
+
+off_t f_seek(void *cookie, off_t off, int whence) {
+ assert(cookie == &cookie_var);
+ assert(whence == SEEK_SET);
+ printf("SEEK CALLED; off=%d, whence=%d\n", (int)off, whence);
+ return off;
+}
+
+int f_flush(void *cookie) {
+ assert(cookie == &cookie_var);
+ printf("FLUSH CALLED\n");
+ return 0;
+}
+
+int f_close(void *cookie) {
+ assert(cookie == &cookie_var);
+ printf("CLOSE CALLED\n");
+ return 0;
+}
+
+int main(void) {
+ FILE *fp;
+ char buf[10];
+
+ // 1. read-only variant
+ fp = fropen2(&cookie_var, f_read);
+ assert(fp);
+ assert(fgets(buf, sizeof(buf), fp));
+ printf("READ: %s", buf);
+ assert(!fclose(fp));
+
+ // 2. write-only variant
+ fp = fwopen2(&cookie_var, f_write);
+ assert(fp);
+ assert(fputs("test", fp) >= 0);
+ assert(!fclose(fp));
+
+ // 3. read+write+close
+ fp = funopen2(&cookie_var, f_read, f_write, NULL, NULL, f_close);
+ assert(fp);
+ assert(fgets(buf, sizeof(buf), fp));
+ printf("READ: %s", buf);
+ assert(fputs("test", fp) >= 0);
+ assert(!fflush(fp));
+ assert(!fclose(fp));
+
+ // 4. read+seek
+ fp = funopen2(&cookie_var, f_read, NULL, f_seek, NULL, NULL);
+ assert(fp);
+ assert(fseek(fp, 100, SEEK_SET) == 0);
+ assert(fgets(buf, sizeof(buf), fp));
+ printf("READ: %s", buf);
+ assert(!fclose(fp));
+
+ // 5. write+flush
+ fp = funopen2(&cookie_var, NULL, f_write, NULL, f_flush, NULL);
+ assert(fp);
+ assert(fputs("test", fp) >= 0);
+ assert(!fflush(fp));
+ assert(fputs("test", fp) >= 0);
+ // NB: fclose() also implicitly calls flush
+ assert(!fclose(fp));
+
+ return 0;
+}
Index: test/sanitizer_common/TestCases/NetBSD/funopen.cc
===================================================================
--- /dev/null
+++ test/sanitizer_common/TestCases/NetBSD/funopen.cc
@@ -0,0 +1,84 @@
+// RUN: %clangxx -g %s -o %t && %run %t | FileCheck %s
+
+// CHECK: READ CALLED; len={{[0-9]*}}
+// CHECK-NEXT: READ: test
+// CHECK-NEXT: WRITE CALLED: test
+// CHECK-NEXT: READ CALLED; len={{[0-9]*}}
+// CHECK-NEXT: READ: test
+// CHECK-NEXT: WRITE CALLED: test
+// CHECK-NEXT: CLOSE CALLED
+// CHECK-NEXT: SEEK CALLED; off=100, whence=0
+// CHECK-NEXT: READ CALLED; len={{[0-9]*}}
+// CHECK-NEXT: READ: test
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int cookie_var;
+
+int f_read(void *cookie, char *buf, int len) {
+ assert(cookie == &cookie_var);
+ assert(len >= 6);
+ printf("READ CALLED; len=%d\n", len);
+ return strlcpy(buf, "test\n", len);
+}
+
+int f_write(void *cookie, const char *buf, int len) {
+ assert(cookie == &cookie_var);
+ char *data = strndup(buf, len);
+ assert(data);
+ printf("WRITE CALLED: %s\n", data);
+ free(data);
+ return len;
+}
+
+off_t f_seek(void *cookie, off_t off, int whence) {
+ assert(cookie == &cookie_var);
+ assert(whence == SEEK_SET);
+ printf("SEEK CALLED; off=%d, whence=%d\n", (int)off, whence);
+ return off;
+}
+
+int f_close(void *cookie) {
+ assert(cookie == &cookie_var);
+ printf("CLOSE CALLED\n");
+ return 0;
+}
+
+int main(void) {
+ FILE *fp;
+ char buf[10];
+
+ // 1. read-only variant
+ fp = fropen(&cookie_var, f_read);
+ assert(fp);
+ assert(fgets(buf, sizeof(buf), fp));
+ printf("READ: %s", buf);
+ assert(!fclose(fp));
+
+ // 2. write-only variant
+ fp = fwopen(&cookie_var, f_write);
+ assert(fp);
+ assert(fputs("test", fp) >= 0);
+ assert(!fclose(fp));
+
+ // 3. read+write+close
+ fp = funopen(&cookie_var, f_read, f_write, NULL, f_close);
+ assert(fp);
+ assert(fgets(buf, sizeof(buf), fp));
+ printf("READ: %s", buf);
+ assert(fputs("test", fp) >= 0);
+ assert(!fclose(fp));
+
+ // 4. read+seek
+ fp = funopen(&cookie_var, f_read, NULL, f_seek, NULL);
+ assert(fp);
+ assert(fseek(fp, 100, SEEK_SET) == 0);
+ assert(fgets(buf, sizeof(buf), fp));
+ printf("READ: %s", buf);
+ assert(!fclose(fp));
+
+ return 0;
+}
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