[352] | 1 | /***************************************************************************
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| 2 | * _ _ ____ _
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| 3 | * Project ___| | | | _ \| |
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| 4 | * / __| | | | |_) | |
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| 5 | * | (__| |_| | _ <| |___
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| 6 | * \___|\___/|_| \_\_____|
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| 7 | *
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| 8 | * Copyright (C) 1998 - 2015, 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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| 9 | *
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| 10 | * This software is licensed as described in the file COPYING, which
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| 11 | * you should have received as part of this distribution. The terms
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| 12 | * are also available at https://curl.haxx.se/docs/copyright.html.
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| 13 | *
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| 14 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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| 15 | * copies of the Software, and permit persons to whom the Software is
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| 16 | * furnished to do so, under the terms of the COPYING file.
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| 17 | *
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| 18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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| 19 | * KIND, either express or implied.
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| 20 | *
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| 21 | ***************************************************************************/
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| 22 | #include "tool_setup.h"
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| 23 |
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| 24 | #define ENABLE_CURLX_PRINTF
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| 25 | /* use our own printf() functions */
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| 26 | #include "curlx.h"
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| 27 |
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| 28 | #include "tool_cfgable.h"
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| 29 | #include "tool_msgs.h"
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| 30 |
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| 31 | #include "memdebug.h" /* keep this as LAST include */
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| 32 |
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| 33 | #define WARN_PREFIX "Warning: "
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| 34 | #define NOTE_PREFIX "Note: "
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| 35 |
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| 36 | static void voutf(struct GlobalConfig *config,
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| 37 | const char *prefix,
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| 38 | const char *fmt,
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| 39 | va_list ap)
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| 40 | {
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| 41 | size_t width = (79 - strlen(prefix));
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| 42 | if(!config->mute) {
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| 43 | size_t len;
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| 44 | char *ptr;
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| 45 | char print_buffer[256];
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| 46 |
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| 47 | len = vsnprintf(print_buffer, sizeof(print_buffer), fmt, ap);
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| 48 |
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| 49 | ptr = print_buffer;
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| 50 | while(len > 0) {
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| 51 | fputs(prefix, config->errors);
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| 52 |
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| 53 | if(len > width) {
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| 54 | size_t cut = width-1;
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| 55 |
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| 56 | while(!ISSPACE(ptr[cut]) && cut) {
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| 57 | cut--;
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| 58 | }
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| 59 | if(0 == cut)
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| 60 | /* not a single cutting position was found, just cut it at the
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| 61 | max text width then! */
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| 62 | cut = width-1;
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| 63 |
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| 64 | (void)fwrite(ptr, cut + 1, 1, config->errors);
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| 65 | fputs("\n", config->errors);
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| 66 | ptr += cut + 1; /* skip the space too */
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| 67 | len -= cut;
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| 68 | }
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| 69 | else {
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| 70 | fputs(ptr, config->errors);
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| 71 | len = 0;
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| 72 | }
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| 73 | }
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| 74 | }
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| 75 | }
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| 76 |
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| 77 | /*
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| 78 | * Emit 'note' formatted message on configured 'errors' stream, if verbose was
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| 79 | * selected.
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| 80 | */
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| 81 | void notef(struct GlobalConfig *config, const char *fmt, ...)
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| 82 | {
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| 83 | va_list ap;
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| 84 | va_start(ap, fmt);
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| 85 | if(config->tracetype)
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| 86 | voutf(config, NOTE_PREFIX, fmt, ap);
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| 87 | va_end(ap);
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| 88 | }
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| 89 |
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| 90 | /*
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| 91 | * Emit warning formatted message on configured 'errors' stream unless
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| 92 | * mute (--silent) was selected.
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| 93 | */
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| 94 |
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| 95 | void warnf(struct GlobalConfig *config, const char *fmt, ...)
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| 96 | {
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| 97 | va_list ap;
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| 98 | va_start(ap, fmt);
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| 99 | voutf(config, WARN_PREFIX, fmt, ap);
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| 100 | va_end(ap);
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| 101 | }
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| 102 | /*
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| 103 | * Emit help formatted message on given stream.
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| 104 | */
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| 105 |
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| 106 | void helpf(FILE *errors, const char *fmt, ...)
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| 107 | {
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| 108 | va_list ap;
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| 109 | if(fmt) {
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| 110 | va_start(ap, fmt);
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| 111 | fputs("curl: ", errors); /* prefix it */
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| 112 | vfprintf(errors, fmt, ap);
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| 113 | va_end(ap);
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| 114 | }
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| 115 | fprintf(errors, "curl: try 'curl --help' "
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| 116 | #ifdef USE_MANUAL
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| 117 | "or 'curl --manual' "
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| 118 | #endif
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| 119 | "for more information\n");
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| 120 | }
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| 121 |
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