ref: dfb4b522830edab8f3856289d326d6cf5e930644
dir: /sys/src/cmd/upas/smtp/parsetest.c/
#include <u.h> #include <libc.h> #include <String.h> #include <bio.h> #include "smtp.h" Biobuf o; void freefields(void) { Field *f, *fn; Node *n, *nn; for(f = firstfield; f != nil; f = fn){ fn = f->next; for(n = f->node; n != nil; n = nn){ nn = n->next; s_free(n->s); s_free(n->white); free(n); } free(f); } firstfield = nil; } void printhdr(void) { Field *f; Node *n; for(f = firstfield; f != nil; f = f->next){ for(n = f->node; n != nil; n = n->next){ if(n->s != nil) Bprint(&o, "%s", s_to_c(n->s)); else Bprint(&o, "%c", n->c); if(n->white != nil) Bprint(&o, "%s", s_to_c(n->white)); } Bprint(&o, "\n"); } } void usage(void) { fprint(2, "usage: parsetest file ...\n"); exits("usage"); } void main(int argc, char **argv) { int i, fd, nbuf; char *buf; ARGBEGIN{ default: usage(); }ARGEND if(Binit(&o, 1, OWRITE) == -1) sysfatal("Binit: %r"); for(i = 0; i < argc; i++){ fd = open(argv[i], OREAD); if(fd == -1) sysfatal("open: %r"); buf = malloc(128*1024); if(buf == nil) sysfatal("malloc: %r"); nbuf = read(fd, buf, 128*1024); if(nbuf == -1) sysfatal("read: %r"); close(fd); yyinit(buf, nbuf); yyparse(); printhdr(); freefields(); free(buf); Bflush(&o); } exits(""); }