rpm: rpmutil.h File Reference

rpm 4.12.0.1

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Macros | Typedefs | Functions
rpmutil.h File Reference
`#include <unistd.h>`
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Go to the source code of this file.

## Macros
#define | RPM_GNUC_EXTENSION
#define | RPM_GNUC_PURE
#define | RPM_GNUC_MALLOC
#define | RPM_GNUC_ALLOC_SIZE(x)
#define | RPM_GNUC_ALLOC_SIZE2(x, y)
#define | RPM_GNUC_NULL_TERMINATED
#define | RPM_GNUC_PRINTF(format_idx, arg_idx)
#define | RPM_GNUC_SCANF(format_idx, arg_idx)
#define | RPM_GNUC_FORMAT(arg_idx)
#define | RPM_GNUC_NORETURN
#define | RPM_GNUC_CONST
#define | RPM_GNUC_UNUSED
#define | RPM_GNUC_NO_INSTRUMENT
#define | RPM_GNUC_DEPRECATED
#define | RPM_GNUC_MAY_ALIAS
#define | RPM_GNUC_NONNULL(...)
#define | RPM_GNUC_WARN_UNUSED_RESULT
#define | RPM_GNUC_INTERNAL
#define | RPM_BEGIN_DECLS
#define | RPM_END_DECLS

## Typedefs
typedef void *(* | rpmMemFailFunc )(size_t size, void *data)
| Memory allocation failure callback prototype. More...

## Functions
void * | rmalloc (size_t size)
void * | rcalloc (size_t nmemb, size_t size)
void * | rrealloc (void *ptr, size_t size)
char * | rstrdup (const char *str)
void * | rfree (void *ptr)
rpmMemFailFunc | rpmSetMemFail (rpmMemFailFunc func, void *data)
| Set memory allocation failure callback. More...

## Macro Definition Documentation

#define RPM_BEGIN_DECLS

Definition at line 111 of file rpmutil.h.

#define RPM_END_DECLS

Definition at line 112 of file rpmutil.h.

#define RPM_GNUC_ALLOC_SIZE | ( |  | x | ) |

Definition at line 41 of file rpmutil.h.

#define RPM_GNUC_ALLOC_SIZE2 | ( |  | x,
|  |  | y
| ) |  |

Definition at line 42 of file rpmutil.h.

#define RPM_GNUC_CONST

Definition at line 71 of file rpmutil.h.

#define RPM_GNUC_DEPRECATED

Definition at line 80 of file rpmutil.h.

#define RPM_GNUC_EXTENSION

Definition at line 22 of file rpmutil.h.

#define RPM_GNUC_FORMAT | ( |  | arg_idx | ) |

Definition at line 69 of file rpmutil.h.

#define RPM_GNUC_INTERNAL

Definition at line 102 of file rpmutil.h.

#define RPM_GNUC_MALLOC

Definition at line 34 of file rpmutil.h.

#define RPM_GNUC_MAY_ALIAS

Definition at line 88 of file rpmutil.h.

#define RPM_GNUC_NO_INSTRUMENT

Definition at line 73 of file rpmutil.h.

#define RPM_GNUC_NONNULL | ( |  | ... | ) |

Definition at line 89 of file rpmutil.h.

#define RPM_GNUC_NORETURN

Definition at line 70 of file rpmutil.h.

#define RPM_GNUC_NULL_TERMINATED

Definition at line 48 of file rpmutil.h.

#define RPM_GNUC_PRINTF | ( |  | format_idx,
|  |  | arg_idx
| ) |  |

Definition at line 67 of file rpmutil.h.

#define RPM_GNUC_PURE

Definition at line 33 of file rpmutil.h.

#define RPM_GNUC_SCANF | ( |  | format_idx,
|  |  | arg_idx
| ) |  |

Definition at line 68 of file rpmutil.h.

#define RPM_GNUC_UNUSED

Definition at line 72 of file rpmutil.h.

#define RPM_GNUC_WARN_UNUSED_RESULT

Definition at line 96 of file rpmutil.h.

## Typedef Documentation

typedef void*(* rpmMemFailFunc)(size_t size, void *data)

Memory allocation failure callback prototype.

When registered through rpmSetMemFail(), this gets called if memory allocation through rmalloc() and friends fails. If the application can somehow recover memory here, it can return a newly allocated memory block of requested size, otherwise it must return NULL after performing it's own shutdown deeds or terminate itself.

Parameters

  size | Size of allocation request in bytes
  data | User data (or NULL)

Returns
  Allocated memory block of requested size or NULL

Definition at line 145 of file rpmutil.h.

## Function Documentation

void* rcalloc | ( | size_t | nmemb,
|  | size_t | size
| ) |  |

void* rfree | ( | void * | ptr | ) |

void* rmalloc | ( | size_t | size | ) |

rpmMemFailFunc rpmSetMemFail | ( | rpmMemFailFunc | func,
|  | void * | data
| ) |  |

Set memory allocation failure callback.

Parameters

  func | Allocation failure callback function
  data | User data (or NULL)

Returns
  Previous callback function

void* rrealloc | ( | void * | ptr,
|  | size_t | size
| ) |  |

char* rstrdup | ( | const char * | str | ) |

Referenced by doSign().