4.3BSD - /usr/src/usr.bin/uucp/getprm.c

   1: #ifndef lint
   2: static char sccsid[] = "@(#)getprm.c	5.4 (Berkeley) 10/9/85";
   3: #endif
   4: 
   5: #include "uucp.h"
   6: 
   7: #define LQUOTE  '('
   8: #define RQUOTE ')'
   9: 
  10: /*LINTLIBRARY*/
  11: 
  12: /*
  13:  *	get next parameter from s
  14:  *
  15:  *	return - pointer to next character in s
  16:  */
  17: 
  18: char *
  19: getprm(s, prm)
  20: register char *s, *prm;
  21: {
  22:     register char *c;
  23: 
  24:     while (*s == ' ' || *s == '\t' || *s == '\n')
  25:         s++;
  26: 
  27:     *prm = '\0';
  28:     if (*s == '\0')
  29:         return NULL;
  30: 
  31:     if (*s == '>' || *s == '<' || *s == '|'
  32:       || *s == ';' || *s == '&') {
  33:         *prm++ = *s++;
  34:         *prm = '\0';
  35:         return s;
  36:     }
  37: 
  38:     /* look for quoted argument */
  39:     if (*s == LQUOTE) {
  40:         if ((c = index(s + 1, RQUOTE)) != NULL) {
  41:             c++;
  42:             while (c != s)
  43:                 *prm++ = *s++;
  44:             *prm = '\0';
  45:             return s;
  46:         }
  47:     }
  48: 
  49:     /* look for `  ` string */
  50:     if (*s == '`') {
  51:         if ((c = index(s + 1, '`')) != NULL) {
  52:             c++;
  53:             while (c != s)
  54:                 *prm++ = *s++;
  55:             *prm = '\0';
  56:             return s;
  57:         }
  58:     }
  59: 
  60:     while (*s != ' ' && *s != '\t' && *s != '<'
  61:         && *s != '>' && *s != '|' && *s != '\0'
  62:         && *s != '&' && *s != ';' && *s != '\n')
  63:         *prm++ = *s++;
  64:     *prm = '\0';
  65: 
  66:     return s;
  67: }

Defined functions

Defined variables

Defined macros