ham.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4
   5 #include "brum.h"
   6
   7 #define BUFSIZE 1024
   8
   9 int curbufsize;
  10
  11 static char*
  12 buf_double(char* buf, int size)
  13 {
  14         buf = realloc(buf, 2*size);
  15
  16         if (!buf)
  17                 die("Low memory");
  18
  19         return buf;
  20
  21 }
  22
  23 static struct hlist*
  24 new_header(char* buf, struct hlist* end)
  25 {
  26         char* p;
  27         struct hlist* new;
  28
  29         new = xmalloc(sizeof(struct hlist));
  30
  31         if (end)
  32                 end->next = new;
  33
  34         p = strchr(buf, ':');
  35
  36         if (!p)
  37                 new->value = xstrdup("");
  38         else {
  39                 *p = 0;
  40                 new->value = xstrdup(p+1);
  41         }
  42         new->name = xstrdup(buf);
  43         new->next = NULL;
  44
  45         return new;
  46 }
  47
  48 struct hlist*
  49 make_hlist(void)
  50 {
  51         struct hlist* start = NULL, *end = NULL;
  52         char* buf;
  53         int i = 0; /* current position */
  54         int c, last = 0;
  55
  56         buf = xmalloc(BUFSIZE);
  57         curbufsize = BUFSIZE;
  58
  59         while ((c = getchar()) != EOF){
  60                 if (c == '\r')
  61                         continue;
  62
  63                 if (i >= curbufsize-2){
  64                         buf = buf_double(buf, curbufsize);
  65                         curbufsize *= 2;
  66                 }
  67
  68                 buf[i++] = c;
  69                 if (c == '\n'){
  70                         if (last == '\n')
  71                                 break;
  72                         if ((c = getchar())!=' ' && c!='\t'){
  73                                 if (c != EOF)
  74                                         ungetc(c, stdin);
  75                                 buf[i] = 0;
  76                                 end = new_header(buf, end);
  77                                 if (!start)
  78                                         start = end;
  79                                 i = 0;
  80                         } else
  81                                 buf[i++] = c;
  82                 }
  83                         last = c;
  84         }
  85         free(buf);
  86         return start;
  87 }
  88
  89 void
  90 print_headers(struct hlist* h)
  91 {
  92         struct hlist* p = h;
  93
  94         while (p){
  95                 printf("%s:%s",p->name,p->value);
  96                 p = p->next;
  97         }
  98 }
  99
 100 void
 101 do_action(struct action* a)
 102 {
 103         puts("--do action--");
 104         if (a->l)
 105                 puts(a->l);
 106         printf("->");
 107         if (a->r)
 108                 puts(a->r);
 109         putchar(' ');
 110         if (a->s)
 111                 puts(a->s);
 112         puts("with email\n");
 113         print_headers(a->e.headers);
 114         puts("\n--Muhehehechlemst!--\n");
 115 }