rpm: Problem Set API.

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Problem Set API.
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Problem Set API. More...

Collaboration diagram for Problem Set API.:

## Files
file | rpmps.h

## Typedefs
typedef struct rpmpsi_s * | rpmpsi

## Functions
rpmps | rpmpsLink (rpmps ps)
int | rpmpsNumProblems (rpmps ps)
rpmpsi | rpmpsInitIterator (rpmps ps)
rpmpsi | rpmpsFreeIterator (rpmpsi psi)
rpmProblem | rpmpsiNext (rpmpsi psi)
int | rpmpsNextIterator (rpmpsi psi)
rpmProblem | rpmpsGetProblem (rpmpsi psi)
rpmps | rpmpsCreate (void)
rpmps | rpmpsFree (rpmps ps)
void | rpmpsPrint (FILE *fp, rpmps ps)
void | rpmpsAppendProblem (rpmps ps, rpmProblem prob)
int | rpmpsMerge (rpmps dest, rpmps src)

## Detailed Description

Problem Set API.

## Typedef Documentation

## ◆ rpmpsi

typedef struct rpmpsi_s* rpmpsi

Problem set iterator

## Function Documentation

## ◆ rpmpsAppendProblem()

void rpmpsAppendProblem | ( | rpmps | ps,
|  | rpmProblem | prob )

Append a problem to current set of problems.

Parameters

  ps | problem set
  prob | rpmProblem

## ◆ rpmpsCreate()

rpmps rpmpsCreate | ( | void |  | ) |

Create a problem set.

Returns
  new problem set

## ◆ rpmpsFree()

rpmps rpmpsFree | ( | rpmps | ps | ) |

Destroy a problem set.

Parameters

  ps | problem set

Returns
  NULL always

## ◆ rpmpsFreeIterator()

rpmpsi rpmpsFreeIterator | ( | rpmpsi | psi | ) |

Destroy problem set iterator.

Parameters

  psi | problem set iterator

Returns
  problem set iterator (NULL)

## ◆ rpmpsGetProblem()

rpmProblem rpmpsGetProblem | ( | rpmpsi | psi | ) |

Return current problem from problem set

Parameters

  psi | problem set iterator

Returns
  current rpmProblem

## ◆ rpmpsiNext()

rpmProblem rpmpsiNext | ( | rpmpsi | psi | ) |

Return next problem from iterator

Parameters

  psi | problem set iterator

Returns
  next problem (weak ref), NULL on termination

## ◆ rpmpsInitIterator()

rpmpsi rpmpsInitIterator | ( | rpmps | ps | ) |

Initialize problem set iterator.

Parameters

  ps | problem set

Returns
  problem set iterator

## ◆ rpmpsLink()

rpmps rpmpsLink | ( | rpmps | ps | ) |

Reference a problem set instance.

Parameters

  ps | transaction set

Returns
  new transaction set reference

## ◆ rpmpsMerge()

int rpmpsMerge | ( | rpmps | dest,
|  | rpmps | src )

Merge problem set into another.

Parameters

  dest | destination problem set
  src | source problem set

Returns
  number of problems merged

## ◆ rpmpsNextIterator()

int rpmpsNextIterator | ( | rpmpsi | psi | ) |

Return next problem set iterator index

Parameters

  psi | problem set iterator

Returns
  iterator index, -1 on termination

## ◆ rpmpsNumProblems()

int rpmpsNumProblems | ( | rpmps | ps | ) |

Return number of problems in set.

Parameters

  ps | problem set

Returns
  number of problems

## ◆ rpmpsPrint()

void rpmpsPrint | ( | FILE * | fp,
|  | rpmps | ps )

Print problems to file handle.

Parameters

  fp | file handle (NULL uses stderr)
  ps | problem set