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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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