ref: 28f4567ba615c4036c079021392825757ef2a008
dir: /sys/src/cmd/upas/common/mail.c/
#include "common.h" /* format of REMOTE FROM lines */ char *REMFROMRE = "^>?From[ \t]+((\".*\")?[^\" \t]+?(\".*\")?[^\" \t]+?)[ \t]+(.+)[ \t]+remote[ \t]+from[ \t]+(.*)\n$"; int REMSENDERMATCH = 1; int REMDATEMATCH = 4; int REMSYSMATCH = 5; /* format of LOCAL FROM lines */ char *FROMRE = "^>?From[ \t]+((\".*\")?[^\" \t]+?(\".*\")?[^\" \t]+?)[ \t]+(.+)\n$"; int SENDERMATCH = 1; int DATEMATCH = 4; /* output a unix style local header */ int print_header(Biobuf *fp, char *sender, char *date) { return Bprint(fp, "From %s %s\n", sender, date); } /* output a unix style remote header */ int print_remote_header(Biobuf *fp, char *sender, char *date, char *system) { return Bprint(fp, "From %s %s remote from %s\n", sender, date, system); } /* parse a mailbox style header */ int parse_header(char *line, String *sender, String *date) { if (!IS_HEADER(line)) return -1; line += sizeof("From ") - 1; s_restart(sender); while(*line==' '||*line=='\t') line++; if(*line == '"'){ s_putc(sender, *line++); while(*line && *line != '"') s_putc(sender, *line++); s_putc(sender, *line++); } else { while(*line && *line != ' ' && *line != '\t') s_putc(sender, *line++); } s_terminate(sender); s_restart(date); while(*line==' '||*line=='\t') line++; while(*line) s_putc(date, *line++); s_terminate(date); return 0; }