ref: c881e33e8ed668f4d5a2102c113e3edb1ea80d44
dir: /sys/src/cmd/fax/fax2modem.c/
#include <u.h> #include <libc.h> #include <bio.h> #include "modem.h" int initfaxmodem(Modem *m) { m->fax = 1; m->phase = 'A'; m->valid = 0; return Eok; } static int parameters(long a[], char *s) { char *p; int i; i = 0; if((p = strchr(s, ':')) == 0) return 0; p++; while(s = strchr(p, ',')){ a[i++] = strtol(p, 0, 10); p = s+1; } if(p) a[i++] = strtol(p, 0, 10); return i; } int fcon(Modem *m) { verbose("fcon: %s", m->response); if(m->fax == 0 || m->phase != 'A') return Rrerror; m->phase = 'B'; return Rcontinue; } int ftsi(Modem *m) { char *p, *q; verbose("ftsi: %s", m->response); if((p = strchr(m->response, '"')) == 0 || (q = strrchr(p+1, '"')) == 0) return Rrerror; while(*++p == ' ') ; *q = 0; if((m->valid & Vftsi) == 0){ strncpy(m->ftsi, p, sizeof(m->ftsi)-1); m->valid |= Vftsi; } return Rcontinue; } int fdcs(Modem *m) { verbose("fdcs: %s", m->response); parameters(m->fdcs, m->response); m->valid |= Vfdcs; return Rcontinue; } int fcfr(Modem *m) { verbose("fcfr: %s", m->response); if(m->fax == 0) return Rrerror; /* ???? */ return Rcontinue; } int fpts(Modem *m) { verbose("fpts: %s", m->response); if(m->fax == 0) return Rrerror; parameters(m->fpts, m->response); m->valid |= Vfpts; return Rcontinue; } int fet(Modem *m) { char *p; verbose("fet: %s", m->response); if(m->fax == 0 || (p = strchr(m->response, ':')) == 0) return Rrerror; m->fet = strtol(p+1, 0, 10); m->valid |= Vfet; return Rcontinue; } int fhng(Modem *m) { char *p; verbose("fhng: %s", m->response); if(m->fax == 0 || (p = strchr(m->response, ':')) == 0) return Rrerror; m->fhng = strtol(p+1, 0, 10); m->valid |= Vfhng; return Rhangup; }