#include "uucp.h" #include <sys/types.h> #include <time.h> /******* * gnxseq(rmtname) get next conversation sequence number * char *rmtname; * * return - 0 no entry | >0 sequence number */ gnxseq(rmtname) char *rmtname; { int count = 0, ct, ret; struct tm *tp; extern struct tm *localtime(); time_t clock; FILE *fp0, *fp1; char buf[BUFSIZ], name[NAMESIZE]; if (ulockf(SQLOCK, SQTIME) != 0) return(0); if ((fp0 = fopen(SQFILE, "r")) == NULL) return(0); if ((fp1 = fopen(SQTMP, "w")) == NULL) { fclose(fp0); return(0); } chmod(SQTMP, 0400); while (fgets(buf, BUFSIZ, fp0) != NULL) { ret = sscanf(buf, "%s%d", name, &ct); if (ret < 2) ct = 0; name[7] = '\0'; if (ct > 9998) ct = 0; if (strcmp(rmtname, name) != SAME) { fputs(buf, fp1); continue; } /* found name */ count = ++ct; time(&clock); tp = localtime(&clock); fprintf(fp1, "%s %d %d/%d-%d:%d\n", name, ct, tp->tm_mon + 1, tp->tm_mday, tp->tm_hour, tp->tm_min); while (fgets(buf, BUFSIZ, fp0) != NULL) fputs(buf, fp1); } fclose(fp0); fclose(fp1); if (count == 0) { rmlock(SQLOCK); unlink(SQTMP); } return(count); } /*** * cmtseq() commit sequence update * * return 0 ok | other - link failed */ cmtseq() { int ret; if ((ret = access(SQTMP, 0400)) != 0) { rmlock(SQLOCK); return(0); } unlink(SQFILE); ret = link(SQTMP, SQFILE); unlink(SQTMP); rmlock(SQLOCK); return(ret); } /*** * ulkseq() unlock sequence file */ ulkseq() { unlink(SQTMP); rmlock(SQLOCK); }