1
0
mirror of https://github.com/moparisthebest/curl synced 2024-12-25 01:28:51 -05:00
curl/tests/unit/unit1398.c
Daniel Stenberg dcd6f81025
snprintf: renamed and we now only use msnprintf()
The function does not return the same value as snprintf() normally does,
so readers may be mislead into thinking the code works differently than
it actually does. A different function name makes this easier to detect.

Reported-by: Tomas Hoger
Assisted-by: Daniel Gustafsson
Fixes #3296
Closes #3297
2018-11-23 08:26:51 +01:00

92 lines
3.2 KiB
C

/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curlcheck.h"
#include "curl/mprintf.h"
static CURLcode unit_setup(void) {return CURLE_OK;}
static void unit_stop(void) {}
UNITTEST_START
int rc;
char buf[3] = {'b', 'u', 'g'};
const char *str = "bug";
int width = 3;
char output[24];
/*#define curl_msnprintf snprintf */
/* without a trailing zero */
rc = curl_msnprintf(output, 4, "%.*s", width, buf);
fail_unless(rc == 3, "return code should be 3");
fail_unless(!strcmp(output, "bug"), "wrong output");
/* with a trailing zero */
rc = curl_msnprintf(output, 4, "%.*s", width, str);
fail_unless(rc == 3, "return code should be 3");
fail_unless(!strcmp(output, "bug"), "wrong output");
width = 2;
/* one byte less */
rc = curl_msnprintf(output, 4, "%.*s", width, buf);
fail_unless(rc == 2, "return code should be 2");
fail_unless(!strcmp(output, "bu"), "wrong output");
/* string with larger precision */
rc = curl_msnprintf(output, 8, "%.8s", str);
fail_unless(rc == 3, "return code should be 3");
fail_unless(!strcmp(output, "bug"), "wrong output");
/* longer string with precision */
rc = curl_msnprintf(output, 8, "%.3s", "0123456789");
fail_unless(rc == 3, "return code should be 3");
fail_unless(!strcmp(output, "012"), "wrong output");
/* negative width */
rc = curl_msnprintf(output, 8, "%-8s", str);
fail_unless(rc == 8, "return code should be 8");
fail_unless(!strcmp(output, "bug "), "wrong output");
/* larger width that string length */
rc = curl_msnprintf(output, 8, "%8s", str);
fail_unless(rc == 8, "return code should be 8");
fail_unless(!strcmp(output, " bu"), "wrong output");
/* output a number in a limited output */
rc = curl_msnprintf(output, 4, "%d", 10240);
/* TODO: this should return 5 to be POSIX/msnprintf compliant! */
fail_unless(rc == 4, "return code should be 4");
fail_unless(!strcmp(output, "102"), "wrong output");
/* padded strings */
rc = curl_msnprintf(output, 16, "%8s%8s", str, str);
fail_unless(rc == 16, "return code should be 16");
fail_unless(!strcmp(output, " bug bu"), "wrong output");
/* padded numbers */
rc = curl_msnprintf(output, 16, "%8d%8d", 1234, 5678);
fail_unless(rc == 16, "return code should be 16");
fail_unless(!strcmp(output, " 1234 567"), "wrong output");
UNITTEST_STOP