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Regression tests for r197752 (handling of empty/NULL buffers).

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This commit is contained in:
David Schultz 2009-10-04 19:44:41 +00:00
parent 7e817e2a03
commit caf17d8660
1 changed files with 20 additions and 1 deletions
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21
tools/regression/lib/libc/stdio/test-getdelim.c
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@ -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);
}