Commit a46078d6 authored by Masahiro Yamada's avatar Masahiro Yamada
Browse files

fixdep: use xmalloc() 



When malloc() fails, there is not much userspace programs can do.
xmalloc() is useful to bail out on a memory allocation failure.

Signed-off-by: default avatarMasahiro Yamada <masahiroy@kernel.org>
parent aeaa4283

scripts/basic/fixdep.c

+5 −10
Original line number Diff line number Diff line
@@ -99,6 +99,8 @@ 
#include <stdio.h>

#include <ctype.h>



#include <xalloc.h>



static void usage(void)

{

	fprintf(stderr, "Usage: fixdep <depfile> <target> <cmdline>\n");
@@ -131,12 +133,9 @@ static unsigned int strhash(const char *str, unsigned int sz) 
static void add_to_hashtable(const char *name, int len, unsigned int hash,

			     struct item *hashtab[])

{

	struct item *aux = malloc(sizeof(*aux) + len);

	struct item *aux;



	if (!aux) {

		perror("fixdep:malloc");

		exit(1);

	}

	aux = xmalloc(sizeof(*aux) + len);

	memcpy(aux->name, name, len);

	aux->len = len;

	aux->hash = hash;
@@ -228,11 +227,7 @@ static void *read_file(const char *filename) 
		perror(filename);

		exit(2);

	}

	buf = malloc(st.st_size + 1);

	if (!buf) {

		perror("fixdep: malloc");

		exit(2);

	}

	buf = xmalloc(st.st_size + 1);

	if (read(fd, buf, st.st_size) != st.st_size) {

		perror("fixdep: read");

		exit(2);