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vtfontcvt: introduce xmalloc to abort on out-of-memory

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Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Ed Maste 2015-08-31 23:08:39 +00:00
parent 73457dc357
commit 2e268aa950
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=287336
1 changed files with 13 additions and 3 deletions
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16
usr.bin/vtfontcvt/vtfontcvt.c
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@ -96,6 +96,16 @@ usage(void)
exit(1);
}
static void *
xmalloc(size_t size)
{
void *m;
if ((m = malloc(size)) == NULL)
errx(1, "memory allocation failure");
return (m);
}
static int
add_mapping(struct glyph *gl, unsigned int c, unsigned int map_idx)
{
@ -104,7 +114,7 @@ add_mapping(struct glyph *gl, unsigned int c, unsigned int map_idx)
mapping_total++;
mp = malloc(sizeof *mp);
mp = xmalloc(sizeof *mp);
mp->m_char = c;
mp->m_glyph = gl;
mp->m_length = 0;
@ -163,8 +173,8 @@ add_glyph(const uint8_t *bytes, unsigned int map_idx, int fallback)
}
}
gl = malloc(sizeof *gl);
gl->g_data = malloc(wbytes * height);
gl = xmalloc(sizeof *gl);
gl->g_data = xmalloc(wbytes * height);
memcpy(gl->g_data, bytes, wbytes * height);
if (fallback)
TAILQ_INSERT_HEAD(&glyphs[map_idx], gl, g_list);