project_files/frontlib/util/util.h
author Medo <smaxein@googlemail.com>
Tue, 12 Jun 2012 11:25:05 +0200
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Cleanup, refactoring and generally more development in the frontlib
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#ifndef FLIB_UTIL_H_
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#define FLIB_UTIL_H_
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#include <stddef.h>
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#include <stdarg.h>
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/**
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 * Prints a format string to a newly allocated buffer of the required size.
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 * Parameters are like those for printf. Returns NULL on error.
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 *
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 * Returned buffer must be free()d
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 */
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char *flib_asprintf(const char *fmt, ...);
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/**
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 * Exactly as flib_asprintf, but accepts a va_list.
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 */
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char *flib_vasprintf(const char *fmt, va_list args);
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/**
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 * Return a duplicate of the provided string, or NULL if an error
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 * occurs or if str is already NULL.
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 *
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 * Returned buffer must be free()d
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 */
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char *flib_strdupnull(const char *str);
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/**
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 * Return a duplicate of the provided buffer, or NULL if an error
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 * occurs or if buf is already NULL or if size is 0.
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 *
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 * Returned buffer must be free()d
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 */
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void *flib_bufdupnull(const void *buf, size_t size);
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/**
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 * Simple malloc wrapper that automatically logs an error if no memory
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 * is available. Otherwise behaves exactly like malloc.
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 */
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void *flib_malloc(size_t size);
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/**
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 * Simple calloc wrapper that automatically logs an error if no memory
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 * is available. Otherwise behaves exactly like calloc.
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 */
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void *flib_calloc(size_t count, size_t elementsize);
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#endif