projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 0f5e4452 KS |
1 | /* Copyright (c) 1979 Regents of the University of California */ |
| 2 | # | |
| 3 | ||
| 4 | /* | |
| 5 | * Mail -- a mail program | |
| 6 | * | |
| 7 | * Unix version 6.0 | |
| 8 | */ | |
| 9 | ||
| 10 | #include "rcv.h" | |
| 11 | ||
| 12 | /* | |
| 13 | * Locate the user's mailbox file (ie, the place where new, unread | |
| 14 | * mail is queued). In Version 6, it is in ~/.mail | |
| 15 | */ | |
| 16 | ||
| 17 | findmail() | |
| 18 | { | |
| 19 | register char *cp; | |
| 20 | ||
| 21 | cp = copy(homedir, mailname); | |
| 22 | copy("/.mail", cp); | |
| 23 | } | |
| 24 | ||
| 25 | /* | |
| 26 | * Get rid of the queued mail. | |
| 27 | */ | |
| 28 | ||
| 29 | demail() | |
| 30 | { | |
| 31 | close(creat(mailname, 0666)); | |
| 32 | alter(mailname); | |
| 33 | } | |
| 34 | ||
| 35 | /* | |
| 36 | * Get an environment variable. At present, we only support | |
| 37 | * "SHELL" and "HOME". This routine makes use of the getpw | |
| 38 | * routine in the neighboring getname.c stuff. | |
| 39 | */ | |
| 40 | ||
| 41 | char * | |
| 42 | getenv(name) | |
| 43 | char name[]; | |
| 44 | { | |
| 45 | char pwline[LINESIZE]; | |
| 46 | static char val[30]; | |
| 47 | register char *cp, *dp; | |
| 48 | register int cc; | |
| 49 | ||
| 50 | if (equal(name, "SHELL")) | |
| 51 | cc = 6; | |
| 52 | else if (equal(name, "HOME")) | |
| 53 | cc = 5; | |
| 54 | else | |
| 55 | return(NOSTR); | |
| 56 | if (getpw(uid, pwline) < 0) | |
| 57 | return(NOSTR); | |
| 58 | for (cp = pwline; *cp && cc > 0;) | |
| 59 | if (*cp++ == ':') | |
| 60 | cc--; | |
| 61 | dp = cp; | |
| 62 | while (*cp != ':' && *cp != '\0') | |
| 63 | cp++; | |
| 64 | *cp = '\0'; | |
| 65 | if (*dp == '\0') | |
| 66 | return(NOSTR); | |
| 67 | copy(dp, val); | |
| 68 | return(val); | |
| 69 | } | |
| 70 | ||
| 71 | /* | |
| 72 | * Lock and unlock retrofits which are only | |
| 73 | * significant in version 7. | |
| 74 | */ | |
| 75 | ||
| 76 | lock(name) | |
| 77 | char *name; | |
| 78 | { | |
| 79 | ||
| 80 | return(0); | |
| 81 | } | |
| 82 | ||
| 83 | unlock() | |
| 84 | { | |
| 85 | ||
| 86 | return(0); | |
| 87 | } |