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- /***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2012, 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 http://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 "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 WARN_TEXTWIDTH (79 - (int)strlen(WARN_PREFIX))
- /*
- * Emit warning formatted message on configured 'errors' stream unless
- * mute (--silent) was selected.
- */
- void warnf(struct Configurable *config, const char *fmt, ...)
- {
- if(!config->mute) {
- va_list ap;
- int len;
- char *ptr;
- char print_buffer[256];
- va_start(ap, fmt);
- len = vsnprintf(print_buffer, sizeof(print_buffer), fmt, ap);
- va_end(ap);
- ptr = print_buffer;
- while(len > 0) {
- fputs(WARN_PREFIX, config->errors);
- if(len > (int)WARN_TEXTWIDTH) {
- int cut = WARN_TEXTWIDTH-1;
- while(!ISSPACE(ptr[cut]) && cut) {
- cut--;
- }
- if(0 == cut)
- /* not a single cutting position was found, just cut it at the
- max text width then! */
- cut = WARN_TEXTWIDTH-1;
- (void)fwrite(ptr, cut + 1, 1, config->errors);
- fputs("\n", config->errors);
- ptr += cut+1; /* skip the space too */
- len -= cut;
- }
- else {
- fputs(ptr, config->errors);
- len = 0;
- }
- }
- }
- }
- /*
- * Emit help formatted message on given stream.
- */
- void helpf(FILE *errors, const char *fmt, ...)
- {
- va_list ap;
- if(fmt) {
- va_start(ap, fmt);
- fputs("curl: ", errors); /* prefix it */
- vfprintf(errors, fmt, ap);
- va_end(ap);
- }
- fprintf(errors, "curl: try 'curl --help' "
- #ifdef USE_MANUAL
- "or 'curl --manual' "
- #endif
- "for more information\n");
- }
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