/*

 * Copyright (c) 2007, Novell Inc.

 *

 * This program is licensed under the BSD license, read LICENSE.BSD

 * for further information

 */

/*

 * util.h

 *

 */

#ifndef LIBSOLV_TOOLS_UTIL_H

#define LIBSOLV_TOOLS_UTIL_H

static inline Id

makeevr(Pool *pool, const char *s)

{

  if (!strncmp(s, "0:", 2) && s[2])

    s += 2;

  return pool_str2id(pool, s, 1);

}

/**

 * split a string

 */

#ifndef DISABLE_SPLIT

static int

split(char *l, char **sp, int m)

{

  int i;

  for (i = 0; i < m;)

    {

      while (*l == ' ')

        l++;

      if (!*l)

        break;

      sp[i++] = l;

      while (*l && *l != ' ')

        l++;

      if (!*l)

        break;

      *l++ = 0;

    }

  return i;

}

#endif

#ifndef DISABLE_JOIN2

struct joindata {

  char *tmp;

  int tmpl;

};

/* this join does not depend on parsedata */

static char *

join2(struct joindata *jd, const char *s1, const char *s2, const char *s3)

{

  int l = 1;

  char *p;

  if (s1)

    l += strlen(s1);

  if (s2)

    l += strlen(s2);

  if (s3)

    l += strlen(s3);

  if (l > jd->tmpl)

    {

      jd->tmpl = l + 256;

      jd->tmp = solv_realloc(jd->tmp, jd->tmpl);

    }

  p = jd->tmp;

  if (s1)

    {

      strcpy(p, s1);

      p += strlen(s1);

    }

  if (s2)

    {

      strcpy(p, s2);

      p += strlen(s2);

    }

  if (s3)

    {

      strcpy(p, s3);

      p += strlen(s3);

    }

  *p = 0;

  return jd->tmp;

}

static inline char *

join_dup(struct joindata *jd, const char *s)

{

  return s ? join2(jd, s, 0, 0) : 0;

}

static inline void

join_freemem(struct joindata *jd)

{

  if (jd->tmp)

    free(jd->tmp);

  jd->tmp = 0;

  jd->tmpl = 0;

}

#endif

#endif /* LIBSOLV_TOOLS_UTIL_H */