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Diffstat (limited to 'contrib/sendmail/libsm/t-fget.c')
-rw-r--r-- | contrib/sendmail/libsm/t-fget.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/contrib/sendmail/libsm/t-fget.c b/contrib/sendmail/libsm/t-fget.c new file mode 100644 index 0000000..434debf --- /dev/null +++ b/contrib/sendmail/libsm/t-fget.c @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2013 Sendmail, Inc. and its suppliers. + * All rights reserved. + * + * By using this file, you agree to the terms and conditions set + * forth in the LICENSE file which can be found at the top level of + * the sendmail distribution. + */ + +#include <sm/gen.h> +SM_IDSTR(id, "@(#)$Id: t-fget.c,v 1.1 2013/03/12 15:24:50 ca Exp $") + +#include <sm/io.h> +#include <sm/string.h> +#include <sm/test.h> +#include <errno.h> + +void +check(char *msg, int l) +{ + SM_FILE_T *wfp, *rfp; + char buf[256]; + size_t n; + int r, i; + static char fn[] = "tfget"; + + wfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, fn, + SM_IO_WRONLY_B, NULL); + SM_TEST(wfp != NULL); + for (i = 0; i < l; i++) + { + r = sm_io_putc(wfp, SM_TIME_DEFAULT, msg[i]); + SM_TEST(r >= 0); + } + r = sm_io_close(wfp, SM_TIME_DEFAULT); + SM_TEST(r == 0); + + rfp = sm_io_open(SmFtStdio, SM_TIME_DEFAULT, fn, + SM_IO_RDONLY_B, NULL); + SM_TEST(rfp != NULL); + n = sizeof(buf); + r = sm_io_fgets(rfp, SM_TIME_DEFAULT, buf, n); + if (l == 0) + { + SM_TEST(r == -1); + SM_TEST(errno == 0); + } + else + { + SM_TEST(r == l); + if (r != l) + fprintf(stderr, "buf='%s', in='%s', r=%d, l=%d\n", + buf, msg, r, l); + } + SM_TEST(memcmp(buf, msg, l) == 0); + r = sm_io_close(rfp, SM_TIME_DEFAULT); + SM_TEST(r == 0); +} + + +int +main(argc, argv) + int argc; + char **argv; +{ + char res[256]; + int l; + + sm_test_begin(argc, argv, "test fget"); + + check("", strlen("")); + check("\n", strlen("\n")); + check("test\n", strlen("test\n")); + + l = snprintf(res, sizeof(res), "%c%s\n", '\0', "test ing"); + check(res, l); + + l = snprintf(res, sizeof(res), "%c%s%c\n", '\0', "test ing", '\0'); + check(res, l); + + l = snprintf(res, sizeof(res), "%c%s%c%s\n", + '\0', "test ing", '\0', "eol"); + check(res, l); + + return sm_test_end(); +} |