146 lines
3.8 KiB
C
146 lines
3.8 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) 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.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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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "tool_setup.h"
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#define ENABLE_CURLX_PRINTF
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/* use our own printf() functions */
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#include "curlx.h"
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#include "tool_cfgable.h"
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#include "tool_msgs.h"
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#include "memdebug.h" /* keep this as LAST include */
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#define WARN_PREFIX "Warning: "
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#define NOTE_PREFIX "Note: "
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#define ERROR_PREFIX "curl: "
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static void voutf(struct GlobalConfig *config,
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const char *prefix,
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const char *fmt,
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va_list ap)
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{
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size_t width = (79 - strlen(prefix));
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DEBUGASSERT(!strchr(fmt, '\n'));
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if(!config->silent) {
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size_t len;
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char *ptr;
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char *print_buffer;
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print_buffer = curlx_mvaprintf(fmt, ap);
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if(!print_buffer)
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return;
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len = strlen(print_buffer);
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ptr = print_buffer;
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while(len > 0) {
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fputs(prefix, tool_stderr);
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if(len > width) {
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size_t cut = width-1;
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while(!ISBLANK(ptr[cut]) && cut) {
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cut--;
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}
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if(0 == cut)
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/* not a single cutting position was found, just cut it at the
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max text width then! */
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cut = width-1;
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(void)fwrite(ptr, cut + 1, 1, tool_stderr);
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fputs("\n", tool_stderr);
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ptr += cut + 1; /* skip the space too */
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len -= cut + 1;
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}
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else {
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fputs(ptr, tool_stderr);
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fputs("\n", tool_stderr);
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len = 0;
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}
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}
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curl_free(print_buffer);
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}
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}
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/*
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* Emit 'note' formatted message on configured 'errors' stream, if verbose was
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* selected.
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*/
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void notef(struct GlobalConfig *config, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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if(config->tracetype)
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voutf(config, NOTE_PREFIX, fmt, ap);
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va_end(ap);
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}
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/*
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* Emit warning formatted message on configured 'errors' stream unless
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* mute (--silent) was selected.
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*/
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void warnf(struct GlobalConfig *config, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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voutf(config, WARN_PREFIX, fmt, ap);
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va_end(ap);
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}
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/*
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* Emit help formatted message on given stream. This is for errors with or
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* related to command line arguments.
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*/
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void helpf(FILE *errors, const char *fmt, ...)
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{
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if(fmt) {
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va_list ap;
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va_start(ap, fmt);
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DEBUGASSERT(!strchr(fmt, '\n'));
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fputs("curl: ", errors); /* prefix it */
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vfprintf(errors, fmt, ap);
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va_end(ap);
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fputs("\n", errors); /* newline it */
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}
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fprintf(errors, "curl: try 'curl --help' "
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#ifdef USE_MANUAL
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"or 'curl --manual' "
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#endif
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"for more information\n");
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}
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/*
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* Emit error message on error stream if not muted. When errors are not tied
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* to command line arguments, use helpf() for such errors.
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*/
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void errorf(struct GlobalConfig *config, const char *fmt, ...)
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{
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if(!config->silent || config->showerror) {
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va_list ap;
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va_start(ap, fmt);
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voutf(config, ERROR_PREFIX, fmt, ap);
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va_end(ap);
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}
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}
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