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dcd6f81025
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
145 lines
4.0 KiB
C
145 lines
4.0 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "test.h"
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#include "testutil.h"
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#include "testtrace.h"
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#include "memdebug.h"
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struct libtest_trace_cfg libtest_debug_config;
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static time_t epoch_offset; /* for test time tracing */
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static int known_offset; /* for test time tracing */
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static
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void libtest_debug_dump(const char *timebuf, const char *text, FILE *stream,
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const unsigned char *ptr, size_t size, int nohex)
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{
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size_t i;
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size_t c;
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unsigned int width = 0x10;
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if(nohex)
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/* without the hex output, we can fit more on screen */
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width = 0x40;
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fprintf(stream, "%s%s, %zu bytes (0x%zx)\n", timebuf, text,
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size, size);
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for(i = 0; i < size; i += width) {
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fprintf(stream, "%04zx: ", i);
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if(!nohex) {
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/* hex not disabled, show it */
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for(c = 0; c < width; c++)
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if(i + c < size)
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fprintf(stream, "%02x ", ptr[i + c]);
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else
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fputs(" ", stream);
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}
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for(c = 0; (c < width) && (i + c < size); c++) {
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/* check for 0D0A; if found, skip past and start a new line of output */
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if(nohex &&
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(i + c + 1 < size) && (ptr[i + c] == 0x0D) &&
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(ptr[i + c + 1] == 0x0A)) {
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i += (c + 2 - width);
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break;
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}
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fprintf(stream, "%c", ((ptr[i + c] >= 0x20) && (ptr[i + c] < 0x80)) ?
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ptr[i + c] : '.');
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/* check again for 0D0A, to avoid an extra \n if it's at width */
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if(nohex &&
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(i + c + 2 < size) && (ptr[i + c + 1] == 0x0D) &&
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(ptr[i + c + 2] == 0x0A)) {
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i += (c + 3 - width);
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break;
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}
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}
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fputc('\n', stream); /* newline */
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}
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fflush(stream);
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}
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int libtest_debug_cb(CURL *handle, curl_infotype type,
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unsigned char *data, size_t size,
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void *userp)
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{
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struct libtest_trace_cfg *trace_cfg = userp;
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const char *text;
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struct timeval tv;
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char timebuf[20];
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char *timestr;
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time_t secs;
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(void)handle;
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timebuf[0] = '\0';
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timestr = &timebuf[0];
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if(trace_cfg->tracetime) {
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struct tm *now;
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tv = tutil_tvnow();
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if(!known_offset) {
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epoch_offset = time(NULL) - tv.tv_sec;
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known_offset = 1;
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}
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secs = epoch_offset + tv.tv_sec;
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now = localtime(&secs); /* not thread safe but we don't care */
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msnprintf(timebuf, sizeof(timebuf), "%02d:%02d:%02d.%06ld ",
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now->tm_hour, now->tm_min, now->tm_sec, (long)tv.tv_usec);
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}
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switch(type) {
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case CURLINFO_TEXT:
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fprintf(stderr, "%s== Info: %s", timestr, (char *)data);
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/* FALLTHROUGH */
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default: /* in case a new one is introduced to shock us */
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return 0;
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case CURLINFO_HEADER_OUT:
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text = "=> Send header";
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break;
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case CURLINFO_DATA_OUT:
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text = "=> Send data";
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break;
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case CURLINFO_SSL_DATA_OUT:
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text = "=> Send SSL data";
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break;
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case CURLINFO_HEADER_IN:
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text = "<= Recv header";
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break;
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case CURLINFO_DATA_IN:
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text = "<= Recv data";
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break;
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case CURLINFO_SSL_DATA_IN:
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text = "<= Recv SSL data";
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break;
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}
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libtest_debug_dump(timebuf, text, stderr, data, size, trace_cfg->nohex);
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return 0;
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}
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