Date: Tue, 3 Sep 2019 16:38:26 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r351759 - stable/12/sys/kern Message-ID: <201909031638.x83GcQXA047618@repo.freebsd.org>
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Author: mav Date: Tue Sep 3 16:38:25 2019 New Revision: 351759 URL: https://svnweb.freebsd.org/changeset/base/351759 Log: MFC r351134: Add support for 'j', 't' and 'z' flags to kernel sscanf(). Modified: stable/12/sys/kern/subr_scanf.c Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/kern/subr_scanf.c ============================================================================== --- stable/12/sys/kern/subr_scanf.c Tue Sep 3 16:33:02 2019 (r351758) +++ stable/12/sys/kern/subr_scanf.c Tue Sep 3 16:38:25 2019 (r351759) @@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$"); #include <sys/systm.h> #include <sys/ctype.h> #include <sys/limits.h> +#include <sys/stddef.h> /* * Note that stdarg.h and the ANSI style va_start macro is used for both @@ -61,6 +62,9 @@ __FBSDID("$FreeBSD$"); #define POINTER 0x10 /* weird %p pointer (`fake hex') */ #define NOSKIP 0x20 /* do not skip blanks */ #define QUAD 0x400 +#define INTMAXT 0x800 /* j: intmax_t */ +#define PTRDIFFT 0x1000 /* t: ptrdiff_t */ +#define SIZET 0x2000 /* z: size_t */ #define SHORTSHORT 0x4000 /** hh: char */ /* @@ -162,6 +166,9 @@ literal: case '*': flags |= SUPPRESS; goto again; + case 'j': + flags |= INTMAXT; + goto again; case 'l': if (flags & LONG){ flags &= ~LONG; @@ -173,6 +180,12 @@ literal: case 'q': flags |= QUAD; goto again; + case 't': + flags |= PTRDIFFT; + goto again; + case 'z': + flags |= SIZET; + goto again; case 'h': if (flags & SHORT){ flags &= ~SHORT; @@ -256,6 +269,12 @@ literal: *va_arg(ap, long *) = nread; else if (flags & QUAD) *va_arg(ap, quad_t *) = nread; + else if (flags & INTMAXT) + *va_arg(ap, intmax_t *) = nread; + else if (flags & SIZET) + *va_arg(ap, size_t *) = nread; + else if (flags & PTRDIFFT) + *va_arg(ap, ptrdiff_t *) = nread; else *va_arg(ap, int *) = nread; continue; @@ -533,6 +552,12 @@ literal: *va_arg(ap, long *) = res; else if (flags & QUAD) *va_arg(ap, quad_t *) = res; + else if (flags & INTMAXT) + *va_arg(ap, intmax_t *) = res; + else if (flags & PTRDIFFT) + *va_arg(ap, ptrdiff_t *) = res; + else if (flags & SIZET) + *va_arg(ap, size_t *) = res; else *va_arg(ap, int *) = res; nassigned++;
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