projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| e480f87e BJ |
1 | #include "uucp.h" |
| 2 | #include <sys/types.h> | |
| 3 | #include <time.h> | |
| 4 | ||
| 5 | ||
| 6 | ||
| 7 | /******* | |
| 8 | * gnxseq(rmtname) get next conversation sequence number | |
| 9 | * char *rmtname; | |
| 10 | * | |
| 11 | * return - 0 no entry | >0 sequence number | |
| 12 | */ | |
| 13 | ||
| 14 | gnxseq(rmtname) | |
| 15 | char *rmtname; | |
| 16 | { | |
| 17 | int count = 0, ct, ret, i; | |
| 18 | struct tm *tp; | |
| 19 | extern struct tm *localtime(); | |
| 20 | time_t clock; | |
| 21 | FILE *fp0, *fp1; | |
| 22 | char buf[BUFSIZ], name[NAMESIZE]; | |
| 23 | ||
| 24 | for (i = 0; i < 5; i++) { | |
| 25 | if ((ret = ulockf(SQLOCK, SQTIME)) == 0) | |
| 26 | break; | |
| 27 | sleep(5); | |
| 28 | } | |
| 29 | if (ret != 0) { | |
| 30 | logent("CAN'T LOCK", SQLOCK); | |
| 31 | DEBUG(4, "can't lock %s\n", SQLOCK); | |
| 32 | return(0); | |
| 33 | } | |
| 34 | if ((fp0 = fopen(SQFILE, "r")) == NULL) | |
| 35 | return(0); | |
| 36 | if ((fp1 = fopen(SQTMP, "w")) == NULL) { | |
| 37 | fclose(fp0); | |
| 38 | return(0); | |
| 39 | } | |
| 40 | chmod(SQTMP, 0400); | |
| 41 | ||
| 42 | while (fgets(buf, BUFSIZ, fp0) != NULL) { | |
| 43 | ret = sscanf(buf, "%s%d", name, &ct); | |
| 44 | if (ret < 2) | |
| 45 | ct = 0; | |
| 46 | name[7] = '\0'; | |
| 47 | if (ct > 9998) | |
| 48 | ct = 0; | |
| 49 | if (strcmp(rmtname, name) != SAME) { | |
| 50 | fputs(buf, fp1); | |
| 51 | continue; | |
| 52 | } | |
| 53 | ||
| 54 | /* found name */ | |
| 55 | count = ++ct; | |
| 56 | time(&clock); | |
| 57 | tp = localtime(&clock); | |
| 58 | fprintf(fp1, "%s %d %d/%d-%d:%d\n", name, ct, | |
| 59 | tp->tm_mon + 1, tp->tm_mday, tp->tm_hour, | |
| 60 | tp->tm_min); | |
| 61 | while (fgets(buf, BUFSIZ, fp0) != NULL) | |
| 62 | fputs(buf, fp1); | |
| 63 | } | |
| 64 | fclose(fp0); | |
| 65 | fclose(fp1); | |
| 66 | if (count == 0) { | |
| 67 | rmlock(SQLOCK); | |
| 68 | unlink(SQTMP); | |
| 69 | } | |
| 70 | return(count); | |
| 71 | } | |
| 72 | ||
| 73 | ||
| 74 | /*** | |
| 75 | * cmtseq() commit sequence update | |
| 76 | * | |
| 77 | * return 0 ok | other - link failed | |
| 78 | */ | |
| 79 | ||
| 80 | cmtseq() | |
| 81 | { | |
| 82 | int ret; | |
| 83 | ||
| 84 | if ((ret = access(SQTMP, 0400)) != 0) { | |
| 85 | rmlock(SQLOCK); | |
| 86 | return(0); | |
| 87 | } | |
| 88 | unlink(SQFILE); | |
| 89 | ret = link(SQTMP, SQFILE); | |
| 90 | unlink(SQTMP); | |
| 91 | rmlock(SQLOCK); | |
| 92 | return(ret); | |
| 93 | } | |
| 94 | ||
| 95 | /*** | |
| 96 | * ulkseq() unlock sequence file | |
| 97 | */ | |
| 98 | ||
| 99 | ulkseq() | |
| 100 | { | |
| 101 | unlink(SQTMP); | |
| 102 | rmlock(SQLOCK); | |
| 103 | } |