Commit | Line | Data |
---|---|---|
b4b22ccf KS |
1 | # |
2 | ||
3 | /* | |
4 | * Mail -- a mail program | |
5 | * | |
6 | * Unix version 6.0 | |
7 | * | |
8 | * Local routines that are installation dependent. | |
9 | * All fiddlers please note: if you make careful note of | |
10 | * what you change here, I will incorporate your changes and | |
11 | * you won't have to remake them each release. | |
12 | */ | |
13 | ||
79ddb121 | 14 | static char *SccsId = "@(#)v6.local.c 2.1 %G%"; |
b4b22ccf KS |
15 | |
16 | #include "rcv.h" | |
17 | ||
18 | /* | |
19 | * Locate the user's mailbox file (ie, the place where new, unread | |
20 | * mail is queued). In Version 6, it is in ~/.mail | |
21 | */ | |
22 | ||
23 | findmail() | |
24 | { | |
25 | register char *cp; | |
26 | ||
27 | cp = copy(homedir, mailname); | |
28 | copy("/.mail", cp); | |
29 | } | |
30 | ||
31 | /* | |
32 | * Get rid of the queued mail. | |
33 | */ | |
34 | ||
35 | demail() | |
36 | { | |
37 | close(creat(mailname, 0666)); | |
38 | alter(mailname); | |
39 | } | |
40 | ||
41 | /* | |
42 | * Get an environment variable. At present, we only support | |
43 | * "SHELL" and "HOME". This routine makes use of the getpw | |
44 | * routine in the neighboring getname.c stuff. | |
45 | */ | |
46 | ||
47 | char * | |
48 | getenv(name) | |
49 | char name[]; | |
50 | { | |
51 | char pwline[LINESIZE]; | |
52 | static char val[30]; | |
53 | register char *cp, *dp; | |
54 | register int cc; | |
55 | ||
56 | if (equal(name, "SHELL")) | |
57 | cc = 6; | |
58 | else if (equal(name, "HOME")) | |
59 | cc = 5; | |
60 | else | |
61 | return(NOSTR); | |
62 | if (getpw(uid, pwline) < 0) | |
63 | return(NOSTR); | |
64 | for (cp = pwline; *cp && cc > 0;) | |
65 | if (*cp++ == ':') | |
66 | cc--; | |
67 | dp = cp; | |
68 | while (*cp != ':' && *cp != '\0') | |
69 | cp++; | |
70 | *cp = '\0'; | |
71 | if (*dp == '\0') | |
72 | return(NOSTR); | |
73 | copy(dp, val); | |
74 | return(val); | |
75 | } | |
76 | ||
77 | /* | |
78 | * Lock and unlock retrofits which are only | |
79 | * significant in version 7. | |
80 | */ | |
81 | ||
82 | lock(name) | |
83 | char *name; | |
84 | { | |
85 | ||
86 | return(0); | |
87 | } | |
88 | ||
89 | unlock() | |
90 | { | |
91 | ||
92 | return(0); | |
93 | } | |
94 | ||
95 | /* | |
96 | * Discover user login name. | |
97 | */ | |
98 | ||
99 | username(uid, namebuf) | |
100 | char namebuf[]; | |
101 | { | |
102 | ||
103 | return(getname(uid, namebuf)); | |
104 | } |