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annotate lib-src/sorted-doc.c @ 5406:061f4f90f874

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Convert lib-src/ to GPLv3.
author Mike Sperber <sperber@deinprogramm.de>
date Mon, 18 Oct 2010 14:02:19 +0200
parents ecf1ebac70d8
children 1f0b15040456
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /* Give this program DOC-mm.nn.oo as standard input and it outputs to
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2 standard output a file of texinfo input containing the doc strings.
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3
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4 Copyright (C) 1989, 1992, 1994, 1996, 1999, 2000, 2001, 2002, 2003,
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5 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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6
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7 This file is part of XEmacs.
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8
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9 XEmacs is free software: you can redistribute it and/or modify
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10 it under the terms of the GNU General Public License as published by
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11 the Free Software Foundation, either version 3 of the License, or
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12 (at your option) any later version.
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13
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14 XEmacs is distributed in the hope that it will be useful,
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15 but WITHOUT ANY WARRANTY; without even the implied warranty of
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16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 GNU General Public License for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with XEmacs. If not, see <http://www.gnu.org/licenses/>. */
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21
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22
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23 /* This version sorts the output by function name. */
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24
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25 #ifdef HAVE_CONFIG_H
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26 #include <config.h>
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27 #endif
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28
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29 #include <stdio.h>
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30 #include <stdlib.h>
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31 #include <string.h>
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32 #include <ctype.h>
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33 #ifdef DOS_NT
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34 #include <fcntl.h> /* for O_BINARY */
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35 #include <io.h> /* for setmode */
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36 #endif
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37
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38 #define NUL '\0'
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39 #define MARKER '\037'
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40
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41 #define DEBUG 0
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42
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43 typedef struct line LINE;
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44
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45 struct line
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46 {
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47 LINE *next; /* ptr to next or NULL */
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48 char *line; /* text of the line */
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49 };
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50
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51 typedef struct docstr DOCSTR;
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52
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53 struct docstr /* Allocated thing for an entry. */
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54 {
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55 DOCSTR *next; /* next in the chain */
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56 char *name; /* name of the function or var */
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57 LINE *first; /* first line of doc text. */
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58 char type; /* 'F' for function, 'V' for variable */
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59 };
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60
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61 void error (char *s1, char *s2);
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62 void fatal (char *s1, char *s2);
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63 char *xmalloc (int size);
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64 char *xstrdup (char *str);
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65 int cmpdoc (DOCSTR **a, DOCSTR **b);
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66
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67 typedef int (*sort_function_t)(const void *, const void *);
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68
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69
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70 /* Print error message. `s1' is printf control string, `s2' is arg for it. */
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71
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72 void
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73 error (char *s1, char *s2)
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74 {
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75 fprintf (stderr, "sorted-doc: ");
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76 fprintf (stderr, s1, s2);
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77 fprintf (stderr, "\n");
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78 }
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79
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80 /* Print error message and exit. */
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81
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82 void
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83 fatal (char *s1, char *s2)
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84 {
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85 error (s1, s2);
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86 exit (EXIT_FAILURE);
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87 }
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88
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89 /* Like malloc but get fatal error if memory is exhausted. */
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90
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91 char *
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92 xmalloc (int size)
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93 {
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94 char *result = malloc ((unsigned)size);
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95 if (result == NULL)
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96 fatal ("%s", "virtual memory exhausted");
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97 return result;
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98 }
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99
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100 char *
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101 xstrdup (char *str)
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102 {
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103 char *buf = xmalloc (strlen (str) + 1);
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104 (void) strcpy (buf, str);
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105 return (buf);
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106 }
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107
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108 /* Comparison function for qsort to call. */
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109
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110 int
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111 cmpdoc (DOCSTR **a, DOCSTR **b)
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112 {
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113 register int val = strcmp ((*a)->name, (*b)->name);
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114 if (val) return val;
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115 return (*a)->type - (*b)->type;
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116 }
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117
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118
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119 enum state
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120 {
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121 WAITING, BEG_NAME, NAME_GET, BEG_DESC, DESC_GET
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122 };
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123
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124 char *states[] =
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125 {
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126 "WAITING", "BEG_NAME", "NAME_GET", "BEG_DESC", "DESC_GET"
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127 };
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128
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129 int
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130 main (void)
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131 {
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132 register DOCSTR *dp = NULL; /* allocated DOCSTR */
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133 register LINE *lp = NULL; /* allocated line */
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134 register char *bp; /* ptr inside line buffer */
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135 register enum state state = WAITING; /* state at start */
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136 int cnt = 0; /* number of DOCSTRs read */
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137
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138 DOCSTR *docs = NULL; /* chain of allocated DOCSTRS */
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139 char buf[512]; /* line buffer */
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140
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141 #ifdef DOS_NT
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142 /* DOC is a binary file. */
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143 if (!isatty (fileno (stdin)))
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144 setmode (fileno (stdin), O_BINARY);
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145 #endif
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146
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147 bp = buf;
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148
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149 while (1) /* process one char at a time */
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150 {
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151 /* this char from the DOCSTR file */
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152 register int ch = getchar ();
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153
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154 /* Beginnings */
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155
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156 if (state == WAITING)
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157 {
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158 if (ch == MARKER)
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159 state = BEG_NAME;
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160 }
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161 else if (state == BEG_NAME)
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162 {
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163 cnt++;
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164 if (dp == NULL) /* first dp allocated */
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165 {
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166 docs = dp = (DOCSTR*) xmalloc (sizeof (DOCSTR));
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167 }
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168 else /* all the rest */
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169 {
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170 dp->next = (DOCSTR*) xmalloc (sizeof (DOCSTR));
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171 dp = dp->next;
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172 }
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173 lp = NULL;
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174 dp->next = NULL;
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175 bp = buf;
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176 state = NAME_GET;
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177 /* Record whether function or variable. */
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178 dp->type = ch;
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179 ch = getchar ();
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180 }
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181 else if (state == BEG_DESC)
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182 {
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183 if (lp == NULL) /* first line for dp */
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184 {
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185 dp->first = lp = (LINE*)xmalloc (sizeof (LINE));
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186 }
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187 else /* continuing lines */
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188 {
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189 lp->next = (LINE*)xmalloc (sizeof (LINE));
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190 lp = lp->next;
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191 }
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192 lp->next = NULL;
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193 bp = buf;
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194 state = DESC_GET;
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195 }
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196
428
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197 /* process gets */
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198
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199 if (state == NAME_GET || state == DESC_GET)
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200 {
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201 if (ch != MARKER && ch != '\n' && ch != EOF)
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202 {
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203 *bp++ = ch;
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204 }
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205 else /* saving and changing state */
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206 {
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207 *bp = NUL;
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208 bp = xstrdup (buf);
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209
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210 if (state == NAME_GET)
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211 dp->name = bp;
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212 else
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213 lp->line = bp;
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214
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215 bp = buf;
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216 state = (ch == MARKER) ? BEG_NAME : BEG_DESC;
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217 }
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218 } /* NAME_GET || DESC_GET */
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219 if (ch == EOF)
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220 break;
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221 }
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222
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223 {
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224 DOCSTR **array;
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225 register int i; /* counter */
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226
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227 /* build array of ptrs to DOCSTRs */
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228
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229 array = (DOCSTR**)xmalloc (cnt * sizeof (*array));
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230 for (dp = docs, i = 0; dp != NULL ; dp = dp->next)
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231 array[i++] = dp;
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232
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233 /* sort the array by name; within each name, by type */
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234
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235 qsort ((char*)array, cnt, sizeof (DOCSTR*), (sort_function_t)cmpdoc);
428
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236
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237 /* write the output header */
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238
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239 printf ("\\input texinfo @c -*-texinfo-*-\n");
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240 printf ("@setfilename ../info/summary\n");
613
023b83f4e54b [xemacs-hg @ 2001-06-10 10:42:16 by ben]
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diff changeset
241 printf ("@settitle Command Summary for XEmacs\n");
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242 printf ("@finalout\n");
613
023b83f4e54b [xemacs-hg @ 2001-06-10 10:42:16 by ben]
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243 printf ("@unnumbered Command Summary for XEmacs\n");
428
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244 printf ("@table @asis\n");
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245 printf ("\n");
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246 printf ("@iftex\n");
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247 printf ("@global@let@ITEM@item\n");
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248 printf ("@def@item{@filbreak@vskip5pt@ITEM}\n");
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249 printf ("@font@tensy cmsy10 scaled @magstephalf\n");
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250 printf ("@font@teni cmmi10 scaled @magstephalf\n");
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251 printf ("@def\\{{@tensy@char110}}\n"); /* this backslash goes with cmr10 */
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252 printf ("@def|{{@tensy@char106}}\n");
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253 printf ("@def@{{{@tensy@char102}}\n");
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254 printf ("@def@}{{@tensy@char103}}\n");
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255 printf ("@def<{{@teni@char62}}\n");
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256 printf ("@def>{{@teni@char60}}\n");
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257 printf ("@chardef@@64\n");
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258 printf ("@catcode43=12\n");
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259 printf ("@tableindent-0.2in\n");
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260 printf ("@end iftex\n");
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261
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262 /* print each function from the array */
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263
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264 for (i = 0; i < cnt; i++)
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265 {
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266 printf ("\n@item %s @code{%s}\n@display\n",
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267 array[i]->type == 'F' ? "Function" : "Variable",
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268 array[i]->name);
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269
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270 for (lp = array[i]->first; lp != NULL ; lp = lp->next)
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271 {
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272 for (bp = lp->line; *bp; bp++)
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273 {
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274 /* the characters "@{}" need special treatment */
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275 if (*bp == '@' || *bp == '{' || *bp == '}')
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276 {
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277 putchar('@');
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278 }
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279 putchar(*bp);
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280 }
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281 putchar ('\n');
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282 }
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283 printf("@end display\n");
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284 /* Try to avoid a save size overflow in the TeX output
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diff changeset
285 routine. */
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diff changeset
286 if (i%100 == 0 && i > 0 && i != cnt)
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287 printf("\n@end table\n@table @asis\n");
428
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288 }
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289
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290 printf ("@end table\n");
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291 printf ("@bye\n");
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292 }
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293
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294 return EXIT_SUCCESS;
428
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295 }
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diff changeset
296
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297 /* sorted-doc.c ends here */