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hexdump(1): Simplify by using asprintf(3)

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Instead of strlen() + calloc() + snprintf, just use asprintf().
No functional change.

Obtained from:	OpenBSD (CVS Rev. 1.22)
This commit is contained in:
Pedro F. Giffuni 2016-09-19 18:35:22 +00:00
parent 568415f29d
commit 0c9426b684
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=305990
1 changed files with 1 additions and 4 deletions
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5
usr.bin/hexdump/parse.c
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@ -208,7 +208,6 @@ rewrite(FS *fs)
unsigned char *p1, *p2, *fmtp;
char savech, cs[3];
int nconv, prec;
size_t len;
prec = 0;
@ -389,10 +388,8 @@ isint2: switch(fu->bcnt) {
*/
savech = *p2;
p1[0] = '\0';
len = strlen(fmtp) + strlen(cs) + 1;
if ((pr->fmt = calloc(1, len)) == NULL)
if (asprintf(&pr->fmt, "%s%s", fmtp, cs) == -1)
err(1, NULL);
snprintf(pr->fmt, len, "%s%s", fmtp, cs);
*p2 = savech;
pr->cchar = pr->fmt + (p1 - fmtp);
fmtp = p2;