Author: das
Date: Sun Oct 4 19:44:41 2009
New Revision: 197753
URL: http://svn.freebsd.org/changeset/base/197753
Log:
Regression tests for r197752 (handling of empty/NULL buffers).
Modified:
head/tools/regression/lib/libc/stdio/test-getdelim.c
Modified: head/tools/regression/lib/libc/stdio/test-getdelim.c
==============================================================================
--- head/tools/regression/lib/libc/stdio/test-getdelim.c Sun Oct 4
19:43:36 2009 (r197752)
+++ head/tools/regression/lib/libc/stdio/test-getdelim.c Sun Oct 4
19:44:41 2009 (r197753)
@@ -80,7 +80,7 @@ main(int argc, char *argv[])
srandom(0);
- printf("1..5\n");
+ printf("1..6\n");
/*
* Test multiple times with different buffer sizes
@@ -103,6 +103,7 @@ main(int argc, char *argv[])
assert(getline(&line, &linecap, fp) == -1);
assert(line[0] == '\0');
free(line);
+ line = NULL;
assert(feof(fp));
assert(!ferror(fp));
fclose(fp);
@@ -164,5 +165,23 @@ main(int argc, char *argv[])
fclose(fp);
printf("ok 5 - nul\n");
+ /* Make sure NULL *linep and zero *linecapp are handled. */
+ fp = mkfilebuf();
+ free(line);
+ line = NULL;
+ linecap = 42;
+ assert(getline(&line, &linecap, fp) == sizeof(apothegm) - 1);
+ assert(memcmp(line, apothegm, sizeof(apothegm)) == 0);
+ fp = mkfilebuf();
+ free(line);
+ line = malloc(100);
+ linecap = 0;
+ assert(getline(&line, &linecap, fp) == sizeof(apothegm) - 1);
+ assert(memcmp(line, apothegm, sizeof(apothegm)) == 0);
+ free(line);
+ assert(!ferror(fp));
+ fclose(fp);
+ printf("ok 6 - empty/NULL initial buffer\n");
+
exit(0);
}
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