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uemacs: Add xmalloc as a wrapper function for malloc.

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xmalloc checks the returned pointer and dies if it failed to allocate
the memory.

Use this new function in window.c.
More places will be converted to use xmalloc latter.

Signed-off-by: Thiago Farina <tfransosi@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Thiago Farina 2010-12-15 23:34:57 -02:00 committed by Linus Torvalds
parent bf3c3ac2bd
commit 6e4aec520e
3 changed files with 12 additions and 4 deletions
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6
window.c
View File

@ -11,6 +11,7 @@
#include "edef.h"
#include "efunc.h"
#include "line.h"
#include "wrapper.h"
/*
* Reposition dot in the current window to line "n". If the argument is
@ -323,10 +324,7 @@ int splitwind(int f, int n)
mlwrite("Cannot split a %d line window", curwp->w_ntrows);
return FALSE;
}
if ((wp = (struct window *)malloc(sizeof(struct window))) == NULL) {
mlwrite("(OUT OF MEMORY)");
return FALSE;
}
wp = xmalloc(sizeof(struct window));
++curbp->b_nwnd; /* Displayed twice. */
wp->w_bufp = curbp;
wp->w_dotp = curwp->w_dotp;

8
wrapper.c
View File

@ -12,3 +12,11 @@ int xmkstemp(char *template)
die("Unable to create temporary file");
return fd;
}
void *xmalloc(size_t size)
{
void *ret = malloc(size);
if (!ret)
die("Out of memory");
return ret;
}

2
wrapper.h
View File

@ -3,4 +3,6 @@
extern int xmkstemp(char *template);
extern void *xmalloc(size_t size);
#endif /* WRAPPER_H_ */