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Document allocation functions, noting deviations from C library 

Signed-off-by: Mikhail Gusarov <dottedmag@dottedmag.net>
Reviewed-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Mikhail Gusarov 2010-05-06 00:27:47 +07:00
parent e983848ab4
commit a5dba0f5ca
1 changed files with 36 additions and 0 deletions
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36
include/os.h
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@ -214,18 +214,54 @@ extern _X_EXPORT int set_font_authorizations(
#ifndef _HAVE_XALLOC_DECLS
#define _HAVE_XALLOC_DECLS
/*
* Use malloc(3) instead.
*/
extern _X_EXPORT void *Xalloc(unsigned long /*amount*/);
/*
* Use calloc(3) instead
*/
extern _X_EXPORT void *Xcalloc(unsigned long /*amount*/);
/*
* Use realloc(3) instead
*/
extern _X_EXPORT void *Xrealloc(void * /*ptr*/, unsigned long /*amount*/);
/*
* Use free(3) instead
*/
extern _X_EXPORT void Xfree(void * /*ptr*/);
#endif
/*
* This function malloc(3)s buffer, terminating the server if there is not
* enough memory.
*/
extern _X_EXPORT void *XNFalloc(unsigned long /*amount*/);
/*
* This function calloc(3)s buffer, terminating the server if there is not
* enough memory.
*/
extern _X_EXPORT void *XNFcalloc(unsigned long /*amount*/);
/*
* This function realloc(3)s passed buffer, terminating the server if there is
* not enough memory.
*/
extern _X_EXPORT void *XNFrealloc(void * /*ptr*/, unsigned long /*amount*/);
/*
* This function strdup(3)s passed string. The only difference from the library
* function that it is safe to pass NULL, as NULL will be returned.
*/
extern _X_EXPORT char *Xstrdup(const char *s);
/*
* This function strdup(3)s passed string, terminating the server if there is
* not enough memory. If NULL is passed to this function, NULL is returned.
*/
extern _X_EXPORT char *XNFstrdup(const char *s);
extern _X_EXPORT char *Xprintf(const char *fmt, ...);
extern _X_EXPORT char *Xvprintf(const char *fmt, va_list va);
extern _X_EXPORT char *XNFprintf(const char *fmt, ...);