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1 /* mh.h - main header file for all of MH */
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2 /* @(#)$Id$ */
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3
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4
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5 /* Well-used constants */
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6
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7 #define NOTOK (-1) /* syscall()s return this on error */
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8 #define OK 0 /* ditto on success */
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9 #define DONE 1 /* trinary logic */
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10 #define ALL ""
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11 #define NULLCP ((char *) 0)
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12 #define NULLVP ((char **) 0)
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13 #define Nbby 8 /* number of bits/byte */
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14
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15 #define MAXARGS 1000 /* max arguments to exec */
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16
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17 #ifndef NFOLDERS
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18 #define NFOLDERS 1000 /* max folder arguments on command line */
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19 #endif
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20
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21 #ifndef UCI
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22 #define MAXFOLDER 1000 /* message increment */
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23 #else
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24 #define MAXFOLDER 1500 /* message increment */
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25 #endif
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26 #define DMAXFOLDER 4 /* typical number of digits */
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27
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28 #if (!defined(BSD42) && !defined(BSD41A) && !defined(VMUNIX) && !defined(hpux)) || defined(_AIX)
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29 #define vfork fork
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30 #endif /* not BSD */ /* how sad... */
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31
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32 /* */
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33
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34 /* profile structure */
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35
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36 struct node {
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37 char *n_name; /* key */
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38 char *n_field; /* value */
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39
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40 char n_context; /* context, not profile */
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41
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42 struct node *n_next; /* next entry */
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43 };
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44
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45
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46 /* switches structure */
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47
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48 #define AMBIGSW (-2) /* from smatch() on ambiguous switch */
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49 #define UNKWNSW (-1) /* ditto on unknown switch */
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50
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51 struct swit {
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52 char *sw;
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53 int minchars;
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54 };
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55
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56 extern struct swit anoyes[]; /* standard yes/no switches */
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57
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58
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59 /* messages structure */
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60
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61 struct msgs {
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62 int hghmsg; /* Highest msg in directory */
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63 int nummsg; /* Actual Number of msgs */
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64 int lowmsg; /* Lowest msg number */
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65 int curmsg; /* Number of current msg if any */
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66
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67 int lowsel; /* Lowest selected msg number */
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68 int hghsel; /* Highest selected msg number */
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69 int numsel; /* Number of msgs selected */
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70
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71 char *foldpath; /* Pathname of folder */
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72
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73 int msgflags; /* Folder status bits */
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74 #ifndef MTR
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75 char pad1[sizeof (int) - sizeof (char)];
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76 #endif /* not MTR */
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77 #define READONLY 0x01 /* No write access to folder */
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78 #define SEQMOD 0x02 /* folder's sequences modifed */
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79 #define MHPATH 0x04 /* mhpath-style folder handling */
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80 #define OTHERS 0x08 /* folder has other files */
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81 #define MODIFIED 0x10 /* msh in-core folder modified */
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82 #define FBITS "\020\01READONLY\02SEQMOD\03MHPATH\04OTHERS\05MODIFIED"
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83
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84 /* Note well: msgstats[] is a int, so we have 16 or 32 bits to work
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85 with. The first 5 are for standard MH message flags,
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86 this leaves us 11 (or 27) for user-defined attributes. Of
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87 these, 1 is reserved for future internal use, so this leaves
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88 users 10 (or 26). */
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89 #define NATTRS ((sizeof(int)*Nbby)-6) /* see above */
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90 char *msgattrs[NATTRS + 1];/* folder attributes */
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91 int attrstats; /* public=0/private=1 */
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92
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93 int lowoff; /* low element in msgstats[] */
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94 int hghoff; /* hgh element in msgstats[] */
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95
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96 #ifndef MTR
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97 int msgstats[1]; /* msg status */
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98 #else /* MTR */
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99 int *msgbase; /* msg base */
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100 int *msgstats; /* msg status */
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101 #endif /* MTR */
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102 #define EXISTS 0x0001 /* exists */
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103 #define DELETED 0x0002 /* deleted */
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104 #define SELECTED 0x0004 /* selected for use */
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105 #define SELECT_EMPTY 0x0008 /* mhpath "new" */
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106 #define UNSEEN 0x0010 /* inc/show "unseen" */
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107 #define FFATTRSLOT 5 /* user-defined attributes */
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108 /* first free slot is */
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109 /* (1 << 5) or 0x20 */
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110 #define MBITS "\020\01EXISTS\02DELETED\03SELECTED\04NEW\05UNSEEN"
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111
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112 #ifndef MTR
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113 #define MHSIZE(mp,lo,hi) \
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114 ((unsigned) (sizeof *mp + ((hi) + 2) * sizeof *mp -> msgstats))
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115 #else /* MTR */
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116 #define MHSIZE(mp,lo,hi) ((unsigned) sizeof *mp)
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117 #define MHSIZEX(mp,lo,hi) \
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118 ((unsigned) (((hi) - (lo) + 1) * sizeof *mp -> msgstats))
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119 #endif /* MTR */
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120 };
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121
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122 #define NULLMP ((struct msgs *) 0)
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123
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124 /* */
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125
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126 /* m_getfld() message parsing */
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127
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128 #define NAMESZ 128 /* Limit on component name size */
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129
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130 #define LENERR (-2) /* Name too long error from getfld */
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131 #define FMTERR (-3) /* Message Format error */
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132 #define FLD 0 /* Field returned */
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133 #define FLDPLUS 1 /* Field " with more to come */
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134 #define FLDEOF 2 /* Field " ending at eom */
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135 #define BODY 3 /* Body " with more to come */
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136 #define BODYEOF 4 /* Body " ending at eom */
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137 #define FILEEOF 5 /* Reached end of input file */
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138
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139
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140 /* Maildrop styles */
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141
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142 #define MS_DEFAULT 0 /* default (one msg per file) */
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143 #define MS_UNKNOWN 1 /* type not known yet */
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144 #define MS_UUCP 2 /* Unix-style "from" lines */
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145 #define MS_MMDF 3 /* string mmdlm2 */
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146 #define MS_MSH 4 /* whacko msh */
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147
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148 extern int msg_count; /* m_getfld() indicators */
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149 extern int msg_style; /* .. */
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150 extern char *msg_delim; /* .. */
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151
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152
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153 #define NOUSE 0 /* draft being re-used */
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154
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155 #define TFOLDER 0 /* path() given a +folder */
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156 #define TFILE 1 /* path() given a file */
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157 #define TSUBCWF 2 /* path() given a @folder */
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158
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159 #ifndef LINK
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160 #define LINK "@"
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161 #endif /* not LINK */
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162
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163 #ifndef SBACKUP
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164 #define SBACKUP ","
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165 #endif /* not SBACKUP */
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166
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167
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168 #define OUTPUTLINELEN 72 /* default line length for headers */
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169
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170 /* */
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171
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172 /*
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173 * These standard strings are defined in config.c. They are the
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174 * only system-dependent parameters in MH, and thus by redefining
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175 * their values and reloading the various modules, MH will run
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176 * on any system.
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177 */
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178
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179 extern char *components;
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180 extern char *context;
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181 extern char *current;
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182 extern char *defalt;
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183 extern char *digestcomps;
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184 extern char *distcomps;
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185 extern char *draft;
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186 extern char *faceproc;
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187 extern char *fileproc;
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188 extern char *foldprot;
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189 extern char *forwcomps;
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190 extern char *inbox;
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191 extern char *incproc;
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192 extern char *installproc;
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193 extern char *lproc;
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194 extern char *mailproc;
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195 extern char *mh_defaults;
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196 extern char *mh_profile;
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197 extern char *mh_seq;
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198 extern char *mhlformat;
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199 extern char *mhlforward;
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200 extern char *mhlproc;
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201 extern char *moreproc;
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202 extern char *msgprot;
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203 extern char *mshproc;
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204 extern char *nsequence;
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205 extern char *packproc;
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206 extern char *postproc;
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207 extern char *pfolder;
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208 extern char *psequence;
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209 extern char *rcvdistcomps;
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210 extern char *replcomps;
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211 extern char *rmfproc;
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212 extern char *rmmproc;
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213 extern char *sendproc;
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214 extern char *showproc;
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215 extern char *slocalproc;
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216 extern char *sysed;
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217 extern char *usequence;
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218 extern char *version;
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219 extern char *vmhproc;
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220 extern char *whatnowproc;
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221 extern char *whomproc;
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222
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223 /* */
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224
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225 /* global variables -sigh- */
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226
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227 extern char ctxflags;
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228 #define CTXMOD 0x01 /* context information modified */
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229 #define DBITS "\020\01CTXMOD"
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230
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231 #ifdef OVERHEAD
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232 extern int fd_def;
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233 extern int fd_ctx;
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234 #endif /* OVERHEAD */
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235
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236 extern char *invo_name; /* pgm invocation name */
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237 extern char *mypath; /* user's $HOME */
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238 extern char *defpath; /* pathname of user's profile */
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239 extern char *ctxpath; /* pathname of user's context */
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240
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241 extern struct node *m_defs;
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242
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243 /* */
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244
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245 /* from the MH subroutine library */
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246
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247 char *add ();
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248 void adios ();
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249 void admonish ();
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250 void advise ();
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251 void advertise ();
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252 void ambigsw ();
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253 int atooi ();
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254 char **brkstring ();
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255 void closefds ();
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256 char *concat ();
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257 char *copy ();
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258 char **copyip ();
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259 void cpydata ();
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260 void cpydgst ();
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261 void discard ();
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262 void done ();
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263 int fdcompare ();
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264 int gans ();
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265 char **getans ();
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266 int getanswer ();
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267 char *getcpy ();
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268 void help ();
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269 char *libpath ();
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270 int m_atoi ();
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271 char *m_backup ();
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272 int m_convert ();
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273 int m_delete ();
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274 char *m_draft ();
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275 void m_eomsbr ();
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276 int m_file ();
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277 char *m_find ();
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278 void m_fmsg ();
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279 void m_foil ();
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280 void m_getdefs ();
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281 int m_getfld ();
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282 char *m_getfolder ();
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283 int m_gmprot ();
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284 struct msgs *m_gmsg ();
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285 char *m_maildir ();
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286 char *m_mailpath ();
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287 char *m_name ();
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288 int m_putenv ();
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289 void m_readefs ();
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290 struct msgs *m_remsg ();
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291 void m_replace ();
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292 char *m_scratch ();
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293 char *m_seq ();
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294 int m_seqadd ();
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295 char *m_seqbits ();
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296 int m_seqdel ();
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297 int m_seqflag ();
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298 int m_seqnew ();
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299 void m_setcur ();
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300 void m_setseq ();
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301 void m_setvis ();
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302 void m_sync ();
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303 char *m_tmpfil ();
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304 void m_unknown ();
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305 void m_update ();
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306 int m_whatnow ();
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307 int makedir ();
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308 char *path ();
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309 int peekc ();
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310 int pidwait ();
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311 #define pidXwait(id,cp) pidstatus (pidwait (id, NOTOK), stdout, cp)
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312 int pidstatus ();
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313 void printsw ();
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314 void push ();
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315 char *pwd ();
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316 char *r1bindex ();
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317 int refile ();
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318 int remdir ();
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319 int showfile ();
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320 int smatch ();
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321 char *sprintb();
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322 int ssequal ();
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323 int stringdex ();
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324 char *trimcpy ();
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325 int type ();
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326 int uleq ();
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327 int unputenv ();
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328 int uprf ();
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329 int vfgets ();
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330
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331 /* */
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332
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333 #include "../h/strings.h"
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334
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335 /* should be in <stdio.h> */
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336
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337 #if !defined(SYS5) && !defined(ncr) && !defined(_AIX) && !defined(OSF1) && !defined(__osf__) && !defined(__convex__) && !defined(__386BSD__) && !defined(BSD44)
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338 typedef struct _iobuf *FP;
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339 FP popen ();
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340 #else /* SYS5 */
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341 #define FP FILE*
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342 #endif /* SYS5 */
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343
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344
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345 /* miscellaneous */
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346
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347 #if !defined(BSD42) && !defined(hpux) && !defined(ncr) && !defined(_AIX) && !defined(RENAME)
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348 #define rename(f1,f2) (link (f1, f2) != NOTOK ? unlink (f1) : NOTOK)
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349 #endif /* not BSD42 */
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350
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351 #define setsig(s,f) if (signal (s, SIG_IGN) != SIG_IGN) \
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352 (void) signal (s, f)
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353 #define setsigx(i,s,f) if ((i = signal (s, SIG_IGN)) != SIG_IGN) \
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354 (void) signal (s, f)
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355
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356 #if defined(sun) && !defined(NFS)
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357 #define NFS
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358 #endif
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359
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360 #ifdef NFS
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361 #define ruserpass _ruserpass
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362 #endif
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363
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364 #if (defined(BSD44) || defined(SUN40) || defined(hpux) \
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365 || defined(_AIX) || defined (sgi)) && !defined(UNISTD)
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366 #define UNISTD
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367 #endif
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368
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369 #ifdef JAPAN
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370 /*
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371 * Japanization patch (patchlevel.2)
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372 * by Toshihiro Takada <takada@seraph.ntt.jp>
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373 * especially thanks to
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374 * hkojima@etl.go.jp (Hiroaki Kojima)
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375 * UEHARA Tetsu=TaLow <tetsu@kutsuda.kuis.kyoto-u.ac.jp>
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376 * and
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377 * Hayashi Haruhisa <hayashi@lufiea10.kuic.kyoto-u.ac.jp>
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378 */
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379 void ml_init ();
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380 int ml_ismlchar ();
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381 int ml_ismlptr ();
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382 void ml_fputs ();
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383 void ml_pretty_fputs ();
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384 void junet_fputs ();
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385 char *ml_conv ();
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386 #endif /* JAPAN */
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387 #ifdef MIME_HEADERS
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388 char *exthdr_encode ();
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389 char *exthdr_decode ();
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390 #endif /* MIME_HEADERS */
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