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prinf: replace use of alloca with variable length array.

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Use of alloca(3) is discouraged in FreeBSD. Using a VLA
is simple and should be more portable.

Requested by:	jilles
This commit is contained in:
Pedro F. Giffuni 2014-05-10 22:27:01 +00:00
parent b36b897e51
commit 76f66be6bf
1 changed files with 1 additions and 3 deletions
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4
usr.bin/printf/printf.c
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@ -215,13 +215,11 @@ printf_doformat(char *fmt, int *rval)
static const char skip1[] = "#'-+ 0";
int fieldwidth, haveprec, havewidth, mod_ldbl, precision;
char convch, nextch;
char *start;
char start[strlen(fmt) + 1];
char **fargv;
char *dptr;
int l;
start = alloca(strlen(fmt) + 1);
dptr = start;
*dptr++ = '%';
*dptr = 0;