diff options
Diffstat (limited to 'lib/printf')
| -rw-r--r-- | lib/printf/README | 7 | ||||
| -rw-r--r-- | lib/printf/glue.c | 6 | ||||
| -rw-r--r-- | lib/printf/printf-pos.c | 20 | ||||
| -rw-r--r-- | lib/printf/printfcommon.h | 20 | ||||
| -rw-r--r-- | lib/printf/printflocal.h | 3 | ||||
| -rw-r--r-- | lib/printf/vfprintf.c | 71 |
6 files changed, 100 insertions, 27 deletions
diff --git a/lib/printf/README b/lib/printf/README index ac283642d7..3c3ef74ca8 100644 --- a/lib/printf/README +++ b/lib/printf/README @@ -1,6 +1,7 @@ -This is the printf implementation from FreeBSD. It was imported on 2019-05-12, -from SVN revision 347514 (but the code hadn't been touched for 2 years before -that.) +This is the printf implementation from FreeBSD. The history of this code is: +- imported on 2019-05-12, from SVN revision 347514 +- resynced on 2023-09-03, to pick up `%b` implementation +- resynced on 2024-03-10, to pick up `%w[f](8|16|32|64)d` implementation Please don't reindent or otherwise mangle the files to make importing fixes easy (not that there are significant changes likely to happen...) diff --git a/lib/printf/glue.c b/lib/printf/glue.c index 25e2ff37a3..f799378af3 100644 --- a/lib/printf/glue.c +++ b/lib/printf/glue.c @@ -273,6 +273,7 @@ static ssize_t printfrr_va(struct fbuf *buf, struct printfrr_eargs *ea, { const struct va_format *vaf = ptr; va_list ap; + ssize_t s; if (!vaf || !vaf->fmt || !vaf->va) return bputs(buf, "NULL"); @@ -285,6 +286,9 @@ static ssize_t printfrr_va(struct fbuf *buf, struct printfrr_eargs *ea, #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wformat-nonliteral" /* can't format check this */ - return vbprintfrr(buf, vaf->fmt, ap); + s = vbprintfrr(buf, vaf->fmt, ap); #pragma GCC diagnostic pop + va_end(ap); + + return s; } diff --git a/lib/printf/printf-pos.c b/lib/printf/printf-pos.c index ac775bea4e..b2ba1a714d 100644 --- a/lib/printf/printf-pos.c +++ b/lib/printf/printf-pos.c @@ -355,7 +355,7 @@ reswitch: switch (ch) { goto rflag; case 'C': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 'c': error = addtype(&types, (flags & LONGINT) ? T_WINT : T_INT); @@ -364,7 +364,7 @@ reswitch: switch (ch) { break; case 'D': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 'd': case 'i': if ((error = addsarg(&types, flags))) @@ -408,7 +408,7 @@ reswitch: switch (ch) { #endif case 'O': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 'o': if ((error = adduarg(&types, flags))) goto error; @@ -419,7 +419,7 @@ reswitch: switch (ch) { break; case 'S': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 's': error = addtype(&types, (flags & LONGINT) ? TP_WCHAR : TP_CHAR); @@ -428,7 +428,7 @@ reswitch: switch (ch) { break; case 'U': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 'u': case 'X': case 'x': @@ -549,7 +549,7 @@ reswitch: switch (ch) { goto rflag; case 'C': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 'c': error = addtype(&types, (flags & LONGINT) ? T_WINT : T_INT); @@ -558,7 +558,7 @@ reswitch: switch (ch) { break; case 'D': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 'd': case 'i': if ((error = addsarg(&types, flags))) @@ -602,7 +602,7 @@ reswitch: switch (ch) { #endif case 'O': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 'o': if ((error = adduarg(&types, flags))) goto error; @@ -613,7 +613,7 @@ reswitch: switch (ch) { break; case 'S': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 's': error = addtype(&types, (flags & LONGINT) ? TP_WCHAR : TP_CHAR); @@ -622,7 +622,7 @@ reswitch: switch (ch) { break; case 'U': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 'u': case 'X': case 'x': diff --git a/lib/printf/printfcommon.h b/lib/printf/printfcommon.h index 5c45520b4c..f777be8805 100644 --- a/lib/printf/printfcommon.h +++ b/lib/printf/printfcommon.h @@ -8,7 +8,7 @@ * Chris Torek. * * Copyright (c) 2011 The FreeBSD Foundation - * All rights reserved. + * * Portions of this software were developed by David Chisnall * under sponsorship from the FreeBSD Foundation. * @@ -35,8 +35,6 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * - * $FreeBSD$ */ /* @@ -70,7 +68,7 @@ io_print(struct io_state *iop, const CHAR * __restrict ptr, size_t len) { size_t copylen = len; - if (!iop->cb) + if (!iop->cb || !len) return 0; if (iop->avail < copylen) copylen = iop->avail; @@ -171,6 +169,13 @@ __ultoa(u_long val, CHAR *endp, int base, int octzero, const char *xdigs) } while (sval != 0); break; + case 2: + do { + *--cp = to_char(val & 1); + val >>= 1; + } while (val); + break; + case 8: do { *--cp = to_char(val & 7); @@ -221,6 +226,13 @@ __ujtoa(uintmax_t val, CHAR *endp, int base, int octzero, const char *xdigs) } while (sval != 0); break; + case 2: + do { + *--cp = to_char(val & 1); + val >>= 1; + } while (val); + break; + case 8: do { *--cp = to_char(val & 7); diff --git a/lib/printf/printflocal.h b/lib/printf/printflocal.h index bac80e801c..93318c8fdb 100644 --- a/lib/printf/printflocal.h +++ b/lib/printf/printflocal.h @@ -30,8 +30,6 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * - * $FreeBSD$ */ #include "compiler.h" @@ -54,6 +52,7 @@ #define PTRDIFFT 0x800 /* ptrdiff_t */ #define INTMAXT 0x1000 /* intmax_t */ #define CHARINT 0x2000 /* print char using int format */ +#define FASTINT 0x4000 /* int_fastN_t */ /* * Macros for converting digits to letters and vice versa diff --git a/lib/printf/vfprintf.c b/lib/printf/vfprintf.c index cc886834fa..3f6700c838 100644 --- a/lib/printf/vfprintf.c +++ b/lib/printf/vfprintf.c @@ -8,7 +8,7 @@ * Chris Torek. * * Copyright (c) 2011 The FreeBSD Foundation - * All rights reserved. + * * Portions of this software were developed by David Chisnall * under sponsorship from the FreeBSD Foundation. * @@ -340,7 +340,7 @@ reswitch: switch (ch) { if (width >= 0) goto rflag; width = -width; - /* FALLTHROUGH */ + fallthrough; case '-': flags |= LADJUST; goto rflag; @@ -416,12 +416,68 @@ reswitch: switch (ch) { case 't': flags |= PTRDIFFT; goto rflag; + case 'w': + /* + * Fixed-width integer types. On all platforms we + * support, int8_t is equivalent to char, int16_t + * is equivalent to short, int32_t is equivalent + * to int, int64_t is equivalent to long long int. + * Furthermore, int_fast8_t, int_fast16_t and + * int_fast32_t are equivalent to int, and + * int_fast64_t is equivalent to long long int. + */ + flags &= ~(CHARINT|SHORTINT|LONGINT|LLONGINT|INTMAXT); + if (fmt[0] == 'f') { + flags |= FASTINT; + fmt++; + } else { + flags &= ~FASTINT; + } + if (fmt[0] == '8') { + if (!(flags & FASTINT)) + flags |= CHARINT; + else + (void) 0; /* no flag set = 32 */ + fmt += 1; + } else if (fmt[0] == '1' && fmt[1] == '6') { + if (!(flags & FASTINT)) + flags |= SHORTINT; + else + (void) 0; /* no flag set = 32 */ + fmt += 2; + } else if (fmt[0] == '3' && fmt[1] == '2') { + /* no flag set = 32 */ + fmt += 2; + } else if (fmt[0] == '6' && fmt[1] == '4') { + flags |= LLONGINT; + fmt += 2; + } else { + if (flags & FASTINT) { + flags &= ~FASTINT; + fmt--; + } + goto invalid; + } + goto rflag; case 'z': flags |= SIZET; goto rflag; + case 'B': + case 'b': + if (flags & INTMAX_SIZE) + ujval = UJARG(); + else + ulval = UARG(); + base = 2; + /* leading 0b/B only if non-zero */ + if (flags & ALT && + (flags & INTMAX_SIZE ? ujval != 0 : ulval != 0)) + ox[1] = ch; + goto nosign; + break; case 'C': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 'c': #ifdef WCHAR_SUPPORT if (flags & LONGINT) { @@ -447,7 +503,7 @@ reswitch: switch (ch) { break; case 'D': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 'd': case 'i': if (flags & INTMAX_SIZE) @@ -538,7 +594,7 @@ reswitch: switch (ch) { break; case 'O': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 'o': if (flags & INTMAX_SIZE) ujval = UJARG(); @@ -582,7 +638,7 @@ reswitch: switch (ch) { goto nosign; case 'S': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 's': #ifdef WCHAR_SUPPORT if (flags & LONGINT) { @@ -608,7 +664,7 @@ reswitch: switch (ch) { break; case 'U': flags |= LONGINT; - /*FALLTHROUGH*/ + fallthrough; case 'u': if (flags & INTMAX_SIZE) ujval = UJARG(); @@ -671,6 +727,7 @@ number: if ((dprec = prec) >= 0) default: /* "%?" prints ?, unless ? is NUL */ if (ch == '\0') goto done; +invalid: /* pretend it was %c with argument ch */ buf[0] = ch; cp = buf; |