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comparison th_string.c @ 431:d41cb5983772

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#ifdef out WIP floating point support from printf() implementation.
author Matti Hamalainen <ccr@tnsp.org>
date Mon, 07 Nov 2016 02:57:23 +0200
parents 77fd4f0327dc
children 1b3472ba7b23
comparison
equal deleted inserted replaced
430:f8eb47b52a75 431:d41cb5983772
339 // Postfix padding? 339 // Postfix padding?
340 return th_printf_pad_post(ctx, vputch, nwidth, f_flags); 340 return th_printf_pad_post(ctx, vputch, nwidth, f_flags);
341 } 341 }
342 342
343 343
344 #ifdef WIP_FLOAT_SUPPORT
344 static int th_vprintf_put_float(th_vprintf_ctx *ctx, th_vprintf_putch vputch, 345 static int th_vprintf_put_float(th_vprintf_ctx *ctx, th_vprintf_putch vputch,
345 va_list ap, int f_flags, int f_width, int f_prec) 346 va_list ap, int f_flags, int f_width, int f_prec)
346 { 347 {
347 double pval = va_arg(ap, double); // This needs to be double for type promotion to occur 348 double pval = va_arg(ap, double); // This needs to be double for type promotion to occur
348 int64_t val; 349 int64_t val;
357 int64_t d_exp = (val >> 52) & 0x7ff; 358 int64_t d_exp = (val >> 52) & 0x7ff;
358 uint64_t d_man = val & 0x0fffffffffffff; 359 uint64_t d_man = val & 0x0fffffffffffff;
359 360
360 return 0; 361 return 0;
361 } 362 }
363 #endif
362 364
363 365
364 static char * th_printf_altfmt_oct(const char *buf, const size_t len, const int vret, const int flags) 366 static char * th_printf_altfmt_oct(const char *buf, const size_t len, const int vret, const int flags)
365 { 367 {
366 (void) vret; 368 (void) vret;
372 374
373 static char * th_printf_altfmt_hex(const char *buf, const size_t len, const int vret, const int flags) 375 static char * th_printf_altfmt_hex(const char *buf, const size_t len, const int vret, const int flags)
374 { 376 {
375 (void) buf; 377 (void) buf;
376 (void) vret; 378 (void) vret;
379 (void) len;
377 if (vret != 0) 380 if (vret != 0)
378 return (flags & TH_PF_UPCASE) ? "0X" : "0x"; 381 return (flags & TH_PF_UPCASE) ? "0X" : "0x";
379 else 382 else
380 return ""; 383 return "";
381 } 384 }
543 f_flags |= TH_PF_ALT | TH_PF_POINTER; 546 f_flags |= TH_PF_ALT | TH_PF_POINTER;
544 if ((ret = th_vprintf_put_int(ctx, vputch, ap, 16, f_flags, f_width, f_prec, TRUE, th_printf_altfmt_hex)) == EOF) 547 if ((ret = th_vprintf_put_int(ctx, vputch, ap, 16, f_flags, f_width, f_prec, TRUE, th_printf_altfmt_hex)) == EOF)
545 goto out; 548 goto out;
546 break; 549 break;
547 550
551 #ifdef WIP_FLOAT_SUPPORT
548 case 'f': 552 case 'f':
549 case 'F': 553 case 'F':
550 if ((ret = th_vprintf_put_float(ctx, vputch, ap, 554 if ((ret = th_vprintf_put_float(ctx, vputch, ap,
551 f_flags, f_width, f_prec)) == EOF) 555 f_flags, f_width, f_prec)) == EOF)
552 goto out; 556 goto out;
553 break; 557 break;
558 #endif
554 559
555 case 's': 560 case 's':
556 if ((ret = th_vprintf_put_str(ctx, vputch, va_arg(ap, char *), 561 if ((ret = th_vprintf_put_str(ctx, vputch, va_arg(ap, char *),
557 f_flags, f_width, f_prec)) == EOF) 562 f_flags, f_width, f_prec)) == EOF)
558 goto out; 563 goto out;