mirror of
https://github.com/moparisthebest/curl
synced 2024-12-25 01:28:51 -05:00
c6deecd7e9
Change series of error outputs to use errorf(). Only errors that are due to mistakes in command line option usage should use helpf(), other types of errors in the tool should rather use errorf(). Closes #4691
140 lines
3.6 KiB
C
140 lines
3.6 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 - 2019, 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 "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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if(!config->mute) {
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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, config->errors);
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if(len > width) {
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size_t cut = width-1;
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while(!ISSPACE(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, config->errors);
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fputs("\n", config->errors);
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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, config->errors);
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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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fputs("curl: ", errors); /* prefix it */
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vfprintf(errors, fmt, ap);
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va_end(ap);
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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->mute) {
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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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