From 1651d7d4af797602a83840e4c7d6cb7e21c50699 Mon Sep 17 00:00:00 2001 From: das Date: Sun, 4 Oct 2009 19:44:41 +0000 Subject: Regression tests for r197752 (handling of empty/NULL buffers). --- tools/regression/lib/libc/stdio/test-getdelim.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) (limited to 'tools/regression/lib') diff --git a/tools/regression/lib/libc/stdio/test-getdelim.c b/tools/regression/lib/libc/stdio/test-getdelim.c index 1102c20..c68c21e 100644 --- a/tools/regression/lib/libc/stdio/test-getdelim.c +++ b/tools/regression/lib/libc/stdio/test-getdelim.c @@ -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); } -- cgit v1.1