123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145 |
- /***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 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.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.
- *
- * SPDX-License-Identifier: curl
- *
- ***************************************************************************/
- #include "tool_setup.h"
- #define ENABLE_CURLX_PRINTF
- /* use our own printf() functions */
- #include "curlx.h"
- #include "tool_cfgable.h"
- #include "tool_msgs.h"
- #include "memdebug.h" /* keep this as LAST include */
- #define WARN_PREFIX "Warning: "
- #define NOTE_PREFIX "Note: "
- #define ERROR_PREFIX "curl: "
- static void voutf(struct GlobalConfig *config,
- const char *prefix,
- const char *fmt,
- va_list ap)
- {
- size_t width = (79 - strlen(prefix));
- DEBUGASSERT(!strchr(fmt, '\n'));
- if(!config->silent) {
- size_t len;
- char *ptr;
- char *print_buffer;
- print_buffer = curlx_mvaprintf(fmt, ap);
- if(!print_buffer)
- return;
- len = strlen(print_buffer);
- ptr = print_buffer;
- while(len > 0) {
- fputs(prefix, tool_stderr);
- if(len > width) {
- size_t cut = width-1;
- while(!ISBLANK(ptr[cut]) && cut) {
- cut--;
- }
- if(0 == cut)
- /* not a single cutting position was found, just cut it at the
- max text width then! */
- cut = width-1;
- (void)fwrite(ptr, cut + 1, 1, tool_stderr);
- fputs("\n", tool_stderr);
- ptr += cut + 1; /* skip the space too */
- len -= cut + 1;
- }
- else {
- fputs(ptr, tool_stderr);
- fputs("\n", tool_stderr);
- len = 0;
- }
- }
- curl_free(print_buffer);
- }
- }
- /*
- * Emit 'note' formatted message on configured 'errors' stream, if verbose was
- * selected.
- */
- void notef(struct GlobalConfig *config, const char *fmt, ...)
- {
- va_list ap;
- va_start(ap, fmt);
- if(config->tracetype)
- voutf(config, NOTE_PREFIX, fmt, ap);
- va_end(ap);
- }
- /*
- * Emit warning formatted message on configured 'errors' stream unless
- * mute (--silent) was selected.
- */
- void warnf(struct GlobalConfig *config, const char *fmt, ...)
- {
- va_list ap;
- va_start(ap, fmt);
- voutf(config, WARN_PREFIX, fmt, ap);
- va_end(ap);
- }
- /*
- * Emit help formatted message on given stream. This is for errors with or
- * related to command line arguments.
- */
- void helpf(FILE *errors, const char *fmt, ...)
- {
- if(fmt) {
- va_list ap;
- va_start(ap, fmt);
- DEBUGASSERT(!strchr(fmt, '\n'));
- fputs("curl: ", errors); /* prefix it */
- vfprintf(errors, fmt, ap);
- va_end(ap);
- fputs("\n", errors); /* newline it */
- }
- fprintf(errors, "curl: try 'curl --help' "
- #ifdef USE_MANUAL
- "or 'curl --manual' "
- #endif
- "for more information\n");
- }
- /*
- * Emit error message on error stream if not muted. When errors are not tied
- * to command line arguments, use helpf() for such errors.
- */
- void errorf(struct GlobalConfig *config, const char *fmt, ...)
- {
- if(!config->silent || config->showerror) {
- va_list ap;
- va_start(ap, fmt);
- voutf(config, ERROR_PREFIX, fmt, ap);
- va_end(ap);
- }
- }
|