/* $NetBSD: parsefields.c,v 1.1.1.1 2012/03/23 21:20:09 christos Exp $ */ #include "ipf.h" extern int nohdrfields; wordtab_t *parsefields(table, arg) wordtab_t *table; char *arg; { wordtab_t *f, *fields; char *s, *t; int num; fields = NULL; num = 0; for (s = strtok(arg, ","); s != NULL; s = strtok(NULL, ",")) { t = strchr(s, '='); if (t != NULL) { *t++ = '\0'; if (*t == '\0') nohdrfields = 1; } f = findword(table, s); if (f == NULL) { fprintf(stderr, "Unknown field '%s'\n", s); exit(1); } num++; if (fields == NULL) { fields = malloc(2 * sizeof(*fields)); } else { fields = realloc(fields, (num + 1) * sizeof(*fields)); } if (t == NULL) { fields[num - 1].w_word = f->w_word; } else { fields[num - 1].w_word = t; } fields[num - 1].w_value = f->w_value; fields[num].w_word = NULL; fields[num].w_value = 0; } return fields; }