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//$Header$ |
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//------------------------------------------------------------------------------------------------- |
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//Copyright (c) 2018, David T. Ashley |
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// |
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//This file is part of "ifsfscan", a program for identifying gross formatting anomalies in source |
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//files (Windows/ASCII text files only). |
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// |
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//This source code and any program in which it is compiled/used is licensed under the MIT License, |
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//reproduced below. |
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// |
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//Permission is hereby granted, free of charge, to any person obtaining a copy of |
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//this software and associated documentation files(the "Software"), to deal in the |
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//Software without restriction, including without limitation the rights to use, |
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//copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the |
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//Software, and to permit persons to whom the Software is furnished to do so, |
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//subject to the following conditions : |
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// |
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//The above copyright notice and this permission notice shall be included in all |
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//copies or substantial portions of the Software. |
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// |
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//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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//IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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//FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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//AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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//LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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//OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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//SOFTWARE. |
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//------------------------------------------------------------------------------------------------- |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <time.h> |
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|
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#define FCMIOF_HORIZONTAL_BAR_SEP_CHAR ('-') |
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#define FCMIOF_LINE_LEN (78) |
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//The last column allowed for a characters below is Column 82 (or it will be |
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//less than aesthetic). |
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const char * const license_preamble[] = |
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{ |
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"ifsfscan, (c) 2018 David T. Ashley (dashley@gmail.com)", |
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"This program's source files, executable files, and all other related files", |
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"(such as Visual Studio project files) are licensed under \"The MIT License\",", |
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"reproduced below." |
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}; |
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const char * const license_text[] = |
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{ |
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"Permission is hereby granted, free of charge, to any person obtaining a copy", |
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"of this software and associated documentation files(the \"Software\"), to deal", |
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"in the Software without restriction, including without limitation the rights", |
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"to use, copy, modify, merge, publish, distribute, sublicense, and / or sell", |
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"copies of the Software, and to permit persons to whom the Software is", |
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"furnished to do so, subject to the following conditions:", |
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"", |
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"The above copyright notice and this permission notice shall be included in", |
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"all copies or substantial portions of the Software.", |
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"", |
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"THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR", |
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"IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,", |
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"FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE", |
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"AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER", |
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"LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,", |
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"OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE", |
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"SOFTWARE." |
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}; |
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const char * const prog_desc_text[] = |
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{ |
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"ifsfscan (mnemonic: Ill-Formed Source File SCAN) is a program for detecting", |
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"gross formatting errors in source files (Windows/ASCII text files only). The", |
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"errors detected are non-ASCII characters, tab characters, abnormal", |
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"end-of-line characters, and trailing whitespace on lines.", |
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}; |
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const char * const prog_help_text[] = |
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{ |
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"Usage: ifsfscan [filename_or_wildcard [filename_or_wildcard [...]]]", |
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"", |
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"Notes:", |
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" (1) : Wildcards (\"*\", \"?\") are processed by Windows, so Windows is", |
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" the arbiter of which wildcards are accepted and how they expand.", |
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" (2) : This program never writes to a file, so it cannot destroy data", |
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" (except, possibly, by stdout output redirected to a file).", |
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" (3) : This program accepts no options (like \"-help\" or \"-verbose\").", |
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" (4) : This program accepts only Windows line endings (13-10).", |
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" This program is incompatible with *nix and *nix files.", |
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" (5) : This program accepts only the ASCII character set (it will not", |
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" process UTF-8 or any other encodings).", |
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}; |
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//-------------------------------------------------------------------------------- |
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// T E R M I N A T I O N F U N C T I O N S |
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//-------------------------------------------------------------------------------- |
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void CCMFATAL_fatal(const char *desc, const char *file, size_t line) |
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{ |
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printf("\n"); |
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printf("Fatal error. Must terminate execution.\n"); |
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printf("File: %s, Line: %zu.\n", file, line); |
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printf("Error description: %s\n", desc); |
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exit(4); //Error code 4 for error termination. |
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} |
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//-------------------------------------------------------------------------------- |
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// A S S E R T I O N F U N C T I O N S |
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//-------------------------------------------------------------------------------- |
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void USERASSERT_assert(int assertion, const char *file, size_t line) |
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{ |
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if (! assertion) |
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{ |
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printf("\n"); |
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printf("Assertion failed. It is necessary to use the source code to diagnose\n"); |
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printf("and resolve this error.\n"); |
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printf("File: %s, Line: %zu.\n", file, line); |
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exit(4); //Error code 4 for error termination. |
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} |
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} |
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//-------------------------------------------------------------------------------- |
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// M E M O R Y A L L O C A T I O N F U N C T I O N S |
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//-------------------------------------------------------------------------------- |
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//These functions form a layer over the standard library so that conditions of |
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//concern can be more easily trapped. |
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//-------------------------------------------------------------------------------- |
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void *CCMALLOC_malloc(size_t size) |
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{ |
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void *rv; |
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rv = malloc(size); |
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if (!rv) |
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{ |
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CCMFATAL_fatal("NULL pointer from malloc()--probable out of memory.", |
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__FILE__, |
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__LINE__); |
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} |
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memset(rv, 0, size); |
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return(rv); |
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} |
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void *CCMALLOC_calloc(size_t num, size_t size) |
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{ |
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void *rv; |
146 |
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rv = calloc(num, size); |
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if (!rv) |
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{ |
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CCMFATAL_fatal("NULL pointer from calloc()--probable out of memory.", |
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__FILE__, |
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__LINE__); |
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} |
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memset(rv, 0, size); |
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return(rv); |
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} |
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void *CCMALLOC_realloc(void *memblock, size_t size) |
162 |
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{ |
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void *rv; |
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rv = realloc(memblock, size); |
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if ((!rv) && (size)) |
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{ |
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CCMFATAL_fatal("NULL pointer from realloc()--probable out of memory.", |
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__FILE__, |
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__LINE__); |
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} |
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return(rv); |
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} |
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void CCMALLOC_free(void *memblock) |
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{ |
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free(memblock); |
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} |
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//-------------------------------------------------------------------------------- |
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// C H A R A C T E R F U N C T I O N S |
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//-------------------------------------------------------------------------------- |
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int CHARFUNC_digit_to_val(char digit) |
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{ |
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switch (digit) |
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{ |
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case '0': return(0); |
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break; |
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case '1': return(1); |
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break; |
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case '2': return(2); |
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break; |
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case '3': return(3); |
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break; |
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case '4': return(4); |
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break; |
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case '5': return(5); |
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break; |
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case '6': return(6); |
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break; |
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case '7': return(7); |
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break; |
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case '8': return(8); |
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break; |
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case '9': return(9); |
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break; |
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default: return(-1); |
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break; |
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} |
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} |
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char CHARFUNC_nibble_to_lc_hex_digit(int nibble) |
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{ |
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switch (nibble & 0x0F) |
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{ |
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case 0: |
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return('0'); |
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break; |
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case 1: |
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return('1'); |
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break; |
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case 2: |
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return('2'); |
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break; |
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case 3: |
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return('3'); |
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break; |
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case 4: |
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return('4'); |
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break; |
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case 5: |
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return('5'); |
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break; |
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case 6: |
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return('6'); |
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break; |
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case 7: |
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return('7'); |
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break; |
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case 8: |
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return('8'); |
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break; |
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case 9: |
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return('9'); |
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break; |
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case 10: |
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return('a'); |
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break; |
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case 11: |
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return('b'); |
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break; |
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case 12: |
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return('c'); |
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break; |
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case 13: |
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return('d'); |
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break; |
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case 14: |
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return('e'); |
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break; |
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case 15: |
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return('f'); |
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break; |
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default: |
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USERASSERT_assert(0, __FILE__, __LINE__); |
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return('?'); |
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break; |
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} |
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} |
273 |
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void CHARFUNC_int_to_lc_hex_rev(int arg, char *s) |
275 |
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{ |
276 |
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int i; |
277 |
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USERASSERT_assert(s != NULL, __FILE__, __LINE__); |
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|
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for (i = 0; i<8; i++) |
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{ |
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s[i] = CHARFUNC_nibble_to_lc_hex_digit(arg); |
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arg >>= 4; |
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} |
285 |
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} |
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//-------------------------------------------------------------------------------- |
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// S T R I N G A N D C H A R A C T E R A R R A Y F U N C T I O N S |
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//-------------------------------------------------------------------------------- |
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int STRING_contains_wildcard(const char *s) |
291 |
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{ |
292 |
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if (strchr(s, '?') != NULL) |
293 |
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return(1); |
294 |
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else if (strchr(s, '*') != NULL) |
295 |
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return(1); |
296 |
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else |
297 |
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return(0); |
298 |
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} |
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|
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int STRING_is_longer_than_maxpath(const char *s) |
301 |
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{ |
302 |
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if (_MAX_PATH <= 5) |
303 |
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return(1); |
304 |
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else if (strlen(s) > (_MAX_PATH - 5)) |
305 |
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return(1); |
306 |
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else |
307 |
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return(0); |
308 |
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} |
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|
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int STRING_contains_terminating_backslash(const char *s) |
311 |
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{ |
312 |
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size_t i; |
313 |
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314 |
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i = strlen(s); |
315 |
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316 |
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if (i == 0) |
317 |
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{ |
318 |
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return(0); |
319 |
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} |
320 |
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else |
321 |
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{ |
322 |
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do |
323 |
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{ |
324 |
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i--; |
325 |
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if (s[i] == '\\') |
326 |
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return(1); |
327 |
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else if ((s[i] != ' ') && (s[i] != '\t')) |
328 |
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return(0); |
329 |
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} while (i != 0); |
330 |
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return(0); |
331 |
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} |
332 |
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} |
333 |
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334 |
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const char *STRING_vcinfo(size_t which) |
335 |
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{ |
336 |
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static const char * const vcinfo[] = |
337 |
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{ |
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"$Author$", |
339 |
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"$Date$", |
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"$Header$", |
341 |
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"$HeadURL$", |
342 |
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"$ID$", |
343 |
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"$Revision$", |
344 |
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"$URL$", |
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}; |
346 |
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347 |
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} |
348 |
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349 |
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//-------------------------------------------------------------------------------- |
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// F O R M A T T E D O U T P U T F U N C T I O N S |
351 |
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//-------------------------------------------------------------------------------- |
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int FCMIOF_get_line_len(void) |
353 |
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{ |
354 |
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return(FCMIOF_LINE_LEN); |
355 |
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} |
356 |
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357 |
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void FCMIOF_stream_repchar(FILE *s, char c, unsigned n) |
358 |
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{ |
359 |
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USERASSERT_assert(s != NULL, __FILE__, __LINE__); |
360 |
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|
361 |
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while (n--) |
362 |
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fprintf(s, "%c", c); |
363 |
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} |
364 |
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365 |
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void FCMIOF_repchar(char c, unsigned n) |
366 |
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{ |
367 |
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while (n--) |
368 |
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printf("%c", c); |
369 |
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} |
370 |
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|
371 |
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void FCMIOF_hline(void) |
372 |
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{ |
373 |
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FCMIOF_repchar(FCMIOF_HORIZONTAL_BAR_SEP_CHAR, FCMIOF_LINE_LEN); |
374 |
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printf("\n"); |
375 |
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} |
376 |
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|
377 |
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void FCMIOF_stream_hline(FILE *s) |
378 |
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{ |
379 |
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USERASSERT_assert(s != NULL, __FILE__, __LINE__); |
380 |
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|
381 |
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FCMIOF_stream_repchar(s, FCMIOF_HORIZONTAL_BAR_SEP_CHAR, FCMIOF_LINE_LEN); |
382 |
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fprintf(s, "\n"); |
383 |
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} |
384 |
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|
385 |
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void FCMIOF_stream_bannerheading(FILE *f, |
386 |
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char *s, |
387 |
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int n_extra_lines) |
388 |
|
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{ |
389 |
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const int lr_padding = 3; |
390 |
|
|
/* The number of spaces on each side of what is printed. |
391 |
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|
*/ |
392 |
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int i; |
393 |
|
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/* General iteration variable. |
394 |
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|
*/ |
395 |
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|
396 |
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int n_asterisks; |
397 |
|
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int input_arg_len; |
398 |
|
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int n_left_spaces; |
399 |
|
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int n_right_spaces; |
400 |
|
|
|
401 |
|
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/* Check the file pointer, string pointer, and other par. |
402 |
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|
*/ |
403 |
dashley |
193 |
USERASSERT_assert(f != NULL, __FILE__, __LINE__); |
404 |
|
|
USERASSERT_assert(s != NULL, __FILE__, __LINE__); |
405 |
|
|
USERASSERT_assert(n_extra_lines >= 0, __FILE__, __LINE__); |
406 |
dashley |
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|
407 |
|
|
/* Print the right number of solid lines of asterisks to the |
408 |
|
|
** standard output. |
409 |
|
|
*/ |
410 |
|
|
for (i = 0; i<n_extra_lines; i++) |
411 |
|
|
{ |
412 |
|
|
FCMIOF_stream_repchar(f, '*', FCMIOF_LINE_LEN); |
413 |
|
|
fprintf(f, "\n"); |
414 |
|
|
} |
415 |
|
|
|
416 |
|
|
/* Figure out how many asterisks to print on each side of the |
417 |
|
|
** argument, and how many spaces. We also need to figure out |
418 |
|
|
** how many characters of the input argument to print--if there |
419 |
|
|
** are too many characters, we need to truncate. |
420 |
|
|
*/ |
421 |
|
|
input_arg_len = strlen(s); |
422 |
|
|
if (input_arg_len > (FCMIOF_LINE_LEN - 2 * lr_padding - 2)) |
423 |
|
|
input_arg_len = FCMIOF_LINE_LEN - 2 * lr_padding - 2; |
424 |
|
|
|
425 |
|
|
n_asterisks = (FCMIOF_LINE_LEN - 2 * lr_padding - input_arg_len) / 2; |
426 |
|
|
|
427 |
|
|
n_left_spaces = lr_padding; |
428 |
|
|
|
429 |
|
|
if ((FCMIOF_LINE_LEN - 2 * lr_padding - input_arg_len) % 2) |
430 |
|
|
{ |
431 |
|
|
/* Odd, need to pad the right by one. */ |
432 |
|
|
n_right_spaces = lr_padding + 1; |
433 |
|
|
} |
434 |
|
|
else |
435 |
|
|
{ |
436 |
|
|
n_right_spaces = lr_padding; |
437 |
|
|
} |
438 |
|
|
|
439 |
|
|
/* Print the text. */ |
440 |
|
|
FCMIOF_stream_repchar(f, '*', n_asterisks); |
441 |
|
|
FCMIOF_stream_repchar(f, ' ', n_left_spaces); |
442 |
|
|
for (i = 0; i<input_arg_len; i++) |
443 |
|
|
fprintf(f, "%c", s[i]); |
444 |
|
|
FCMIOF_stream_repchar(f, ' ', n_right_spaces); |
445 |
|
|
FCMIOF_stream_repchar(f, '*', n_asterisks); |
446 |
|
|
fprintf(f, "\n"); |
447 |
|
|
|
448 |
|
|
/* Print the right number of solid lines of asterisks to the |
449 |
|
|
** standard output. |
450 |
|
|
*/ |
451 |
|
|
for (i = 0; i<n_extra_lines; i++) |
452 |
|
|
{ |
453 |
|
|
FCMIOF_stream_repchar(f, '*', FCMIOF_LINE_LEN); |
454 |
|
|
fprintf(f, "\n"); |
455 |
|
|
} |
456 |
|
|
} |
457 |
|
|
|
458 |
|
|
void FCMIOF_bannerheading(char *s, int n_extra_lines) |
459 |
|
|
{ |
460 |
dashley |
193 |
USERASSERT_assert(s != NULL, __FILE__, __LINE__); |
461 |
|
|
USERASSERT_assert(n_extra_lines >= 0, __FILE__, __LINE__); |
462 |
dashley |
151 |
|
463 |
|
|
FCMIOF_stream_bannerheading(stdout, s, n_extra_lines); |
464 |
|
|
} |
465 |
|
|
|
466 |
|
|
void FCMIOF_time_stream(FILE *s, time_t ltime) |
467 |
|
|
{ |
468 |
|
|
char *p; |
469 |
|
|
|
470 |
dashley |
193 |
USERASSERT_assert(s != NULL, __FILE__, __LINE__); |
471 |
dashley |
151 |
|
472 |
|
|
time(<ime); |
473 |
|
|
|
474 |
|
|
p = ctime(<ime); |
475 |
|
|
|
476 |
|
|
if (p) |
477 |
|
|
{ |
478 |
|
|
int i; |
479 |
|
|
|
480 |
|
|
for (i = 11; i<19; i++) |
481 |
|
|
fprintf(s, "%c", p[i]); |
482 |
|
|
fprintf(s, " "); |
483 |
|
|
for (i = 0; i<10; i++) |
484 |
|
|
fprintf(s, "%c", p[i]); |
485 |
|
|
fprintf(s, " "); |
486 |
|
|
for (i = 20; i<24; i++) |
487 |
|
|
fprintf(s, "%c", p[i]); |
488 |
|
|
} |
489 |
|
|
else |
490 |
|
|
{ |
491 |
|
|
fprintf(s, "??? ??? ?? ??:??:?? ????"); |
492 |
|
|
} |
493 |
|
|
} |
494 |
|
|
|
495 |
dashley |
193 |
void process_filename_or_wildcard(const char *fname_or_wildcard) |
496 |
|
|
{ |
497 |
|
|
//Incoming pointer is worthy of an assertion. The OS should not every deliver |
498 |
|
|
//a NULL pointer or empty string to us. |
499 |
|
|
USERASSERT_assert(fname_or_wildcard != NULL, __FILE__, __LINE__); |
500 |
|
|
USERASSERT_assert(strlen(fname_or_wildcard) > 0, __FILE__, __LINE__); |
501 |
dashley |
151 |
|
502 |
dashley |
193 |
} |
503 |
|
|
|
504 |
|
|
void emit_no_par_documentation(void) |
505 |
|
|
{ |
506 |
|
|
size_t i; |
507 |
|
|
|
508 |
|
|
FCMIOF_stream_hline(stdout); |
509 |
|
|
for (i = 0; i < (sizeof(prog_desc_text) / sizeof(prog_desc_text[0])); i++) |
510 |
|
|
printf("%s\n", prog_desc_text[i]); |
511 |
|
|
FCMIOF_stream_hline(stdout); |
512 |
|
|
for (i = 0; i < (sizeof(license_preamble) / sizeof(license_preamble[0])); i++) |
513 |
|
|
printf("%s\n", license_preamble[i]); |
514 |
|
|
FCMIOF_stream_hline(stdout); |
515 |
|
|
for (i = 0; i < (sizeof(license_text) / sizeof(license_text[0])); i++) |
516 |
|
|
printf("%s\n", license_text[i]); |
517 |
|
|
FCMIOF_stream_hline(stdout); |
518 |
|
|
for (i = 0; i < (sizeof(prog_help_text) / sizeof(prog_help_text[0])); i++) |
519 |
|
|
printf("%s\n", prog_help_text[i]); |
520 |
|
|
FCMIOF_stream_hline(stdout); |
521 |
|
|
} |
522 |
|
|
|
523 |
|
|
void emit_execution_preamble(void) |
524 |
|
|
{ |
525 |
|
|
FCMIOF_stream_hline(stdout); |
526 |
|
|
printf("Use \"ifsfscan\" with no parameters to obtain license and help information.\n"); |
527 |
|
|
FCMIOF_stream_hline(stdout); |
528 |
|
|
} |
529 |
|
|
|
530 |
dashley |
150 |
int c_main(int argc, char **argv) |
531 |
|
|
{ |
532 |
dashley |
193 |
int i; |
533 |
|
|
|
534 |
dashley |
150 |
if (argc <= 1) |
535 |
|
|
{ |
536 |
dashley |
193 |
//This is most likely someone trying to figure out what the program is or does. |
537 |
|
|
//Spit everything. |
538 |
|
|
emit_no_par_documentation(); |
539 |
dashley |
150 |
} |
540 |
dashley |
193 |
else |
541 |
|
|
{ |
542 |
|
|
emit_execution_preamble(); |
543 |
dashley |
150 |
|
544 |
dashley |
193 |
//Every argument beyond the program name has to be either a file name or |
545 |
|
|
//wildcard. Just process them in order. |
546 |
|
|
for (i = 1; i < argc; i++) |
547 |
|
|
process_filename_or_wildcard(argv[i]); |
548 |
|
|
|
549 |
|
|
FCMIOF_stream_hline(stdout); |
550 |
|
|
} |
551 |
|
|
|
552 |
dashley |
150 |
return 0; |
553 |
dashley |
149 |
} |