/[dtapublic]/projs/dtats/trunk/projs/2018/20180707_cgi_web_tools_aux_exe/auxfuncs.c
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revision 171 by dashley, Sun Jul 8 21:12:48 2018 UTC revision 172 by dashley, Sun Jul 8 21:17:26 2018 UTC
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1  //$Header: /cvsroot/esrg/sfesrg/esrgnxpj/sfnthcgi0304/auxfuncs.c,v 1.2 2003/04/17 20:02:05 dtashley Exp $  //$Header$
2  //  //
3  //********************************************************************************  //********************************************************************************
4  //Copyright (C) 2003 David T. Ashley  //Copyright (C) 2003 David T. Ashley
5  //********************************************************************************  //********************************************************************************
6  //This program or source file is free software; you can redistribute it and/or  //This program or source file is free software; you can redistribute it and/or
7  //modify it under the terms of the GNU General Public License as published by  //modify it under the terms of the GNU General Public License as published by
8  //the Free Software Foundation; either version 2 of the License, or (at your  //the Free Software Foundation; either version 2 of the License, or (at your
9  //option) any later version.  //option) any later version.
10  //  //
11  //This program or source file is distributed in the hope that it will  //This program or source file is distributed in the hope that it will
12  //be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of  //be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
13  //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  //GNU General Public License for more details.  //GNU General Public License for more details.
15  //  //
16  //You may have received a copy of the GNU General Public License  //You may have received a copy of the GNU General Public License
17  //along with this program; if not, write to the Free Software  //along with this program; if not, write to the Free Software
18  //Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA  //Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  //********************************************************************************  //********************************************************************************
20  //  //
21  #define MODULE_AUXFUNCS  #define MODULE_AUXFUNCS
22    
23  #include <assert.h>  #include <assert.h>
24  #include <ctype.h>  #include <ctype.h>
25  #include <stddef.h>  #include <stddef.h>
26  #include <stdio.h>  #include <stdio.h>
27  #include <string.h>  #include <string.h>
28  #include <time.h>  #include <time.h>
29    
30  #include "auxfuncs.h"  #include "auxfuncs.h"
31    
32    
33  /******************************************************************/  /******************************************************************/
34  /***  CHARACTER CLASSIFICATION FUNCTIONS   ************************/  /***  CHARACTER CLASSIFICATION FUNCTIONS   ************************/
35  /******************************************************************/  /******************************************************************/
36  int AUXFUNCS_is_digit(char c)  int AUXFUNCS_is_digit(char c)
37     {     {
38     if ((c >= '0') && (c <= '9'))     if ((c >= '0') && (c <= '9'))
39        return(1);        return(1);
40     else     else
41        return(0);        return(0);
42     }     }
43    
44  int AUXFUNCS_digit_to_val(char digit)  int AUXFUNCS_digit_to_val(char digit)
45  {  {
46    switch (digit)    switch (digit)
47      {      {
48      case '0':  return(0);      case '0':  return(0);
49        break;        break;
50      case '1':  return(1);      case '1':  return(1);
51        break;        break;
52      case '2':  return(2);      case '2':  return(2);
53        break;        break;
54      case '3':  return(3);      case '3':  return(3);
55        break;        break;
56      case '4':  return(4);      case '4':  return(4);
57        break;        break;
58      case '5':  return(5);      case '5':  return(5);
59        break;        break;
60      case '6':  return(6);      case '6':  return(6);
61        break;        break;
62      case '7':  return(7);      case '7':  return(7);
63        break;        break;
64      case '8':  return(8);      case '8':  return(8);
65        break;        break;
66      case '9':  return(9);      case '9':  return(9);
67        break;        break;
68      default:   return(-1);      default:   return(-1);
69        break;        break;
70      }      }
71  }  }
72    
73  /******************************************************************/  /******************************************************************/
74  /***  INTEGER SIZE_T FUNCTIONS             ************************/  /***  INTEGER SIZE_T FUNCTIONS             ************************/
75  /******************************************************************/  /******************************************************************/
76  size_t AUXFUNCS_size_t_min(size_t a, size_t b)  size_t AUXFUNCS_size_t_min(size_t a, size_t b)
77     {     {
78     if (a < b)     if (a < b)
79        return(a);        return(a);
80     else     else
81        return(b);        return(b);
82     }     }
83    
84  size_t AUXFUNCS_size_t_max(size_t a, size_t b)  size_t AUXFUNCS_size_t_max(size_t a, size_t b)
85     {     {
86     if (a > b)     if (a > b)
87        return(a);        return(a);
88     else     else
89        return(b);        return(b);
90     }     }
91    
92    
93  /******************************************************************/  /******************************************************************/
94  /***  CONTRACTING STRING FUNCTIONS  *******************************/  /***  CONTRACTING STRING FUNCTIONS  *******************************/
95  /******************************************************************/  /******************************************************************/
96  void AUXFUNCS_remove_non_digits(char *s)  void AUXFUNCS_remove_non_digits(char *s)
97     {     {
98     char *src;     char *src;
99     char *dst;     char *dst;
100    
101     src = s;     src = s;
102     dst = s;     dst = s;
103    
104     while(*src)     while(*src)
105        {        {
106        if (AUXFUNCS_is_digit(*src))        if (AUXFUNCS_is_digit(*src))
107           {           {
108           *dst = *src;           *dst = *src;
109           dst++;           dst++;
110           }           }
111        src++;        src++;
112        }        }
113    
114     *dst = 0;     *dst = 0;
115     }     }
116    
117  void AUXFUNCS_remove_leading_zeros(char *s)  void AUXFUNCS_remove_leading_zeros(char *s)
118     {     {
119     char *src;     char *src;
120     char *dst;     char *dst;
121    
122     src = s;     src = s;
123     dst = s;     dst = s;
124    
125     while((*src) && (*src == '0'))     while((*src) && (*src == '0'))
126        {        {
127        src++;        src++;
128        }        }
129    
130     while(*src)     while(*src)
131        {        {
132        *dst = *src;        *dst = *src;
133        src++;        src++;
134        dst++;        dst++;
135        }        }
136    
137     *dst = 0;     *dst = 0;
138     }     }
139    
140    
141  /******************************************************************/  /******************************************************************/
142  /***  VERSION CONTROL IDENTITY FUNCTIONS   ************************/  /***  VERSION CONTROL IDENTITY FUNCTIONS   ************************/
143  /******************************************************************/  /******************************************************************/
144  const char *AUXFUNCS_cvcinfo(void)  const char *AUXFUNCS_cvcinfo(void)
145     {     {
146     return("$Header: /cvsroot/esrg/sfesrg/esrgnxpj/sfnthcgi0304/auxfuncs.c,v 1.2 2003/04/17 20:02:05 dtashley Exp $");     return("$Header$");
147     }     }
148    
149  const char *AUXFUNCS_hvcinfo(void)  const char *AUXFUNCS_hvcinfo(void)
150     {     {
151     return(AUXFUNCS_H_VERSION);     return(AUXFUNCS_H_VERSION);
152     }     }
153    
154  //********************************************************************************  //********************************************************************************
155  // $Log: auxfuncs.c,v $  // $Log: auxfuncs.c,v $
156  // Revision 1.2  2003/04/17 20:02:05  dtashley  // Revision 1.2  2003/04/17 20:02:05  dtashley
157  // License text for the GPL added.  All source files are now under the GPL,  // License text for the GPL added.  All source files are now under the GPL,
158  // after some discussion on the GMP list.  // after some discussion on the GMP list.
159  //  //
160  // Revision 1.1  2003/04/13 23:46:06  dtashley  // Revision 1.1  2003/04/13 23:46:06  dtashley
161  // Initial checkin.  // Initial checkin.
162  //********************************************************************************  //********************************************************************************
163  // End of AUXFUNCS.C.  // End of AUXFUNCS.C.
164  //********************************************************************************  //********************************************************************************
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