X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=parse.c;h=12a35bdc0ef57f550adf8f208a1c542572aaccf6;hp=3fda69cd263c79ffde4fd1f687f2091d816236f9;hb=619adf9c5aa472904eec3a62f13030e6b261ea25;hpb=fd112d34a2cfdc2d9efcd394e38b6d87b357c23d

diff --git a/parse.c b/parse.c
index 3fda69cd..12a35bdc 100644
--- a/parse.c
+++ b/parse.c
@@ -10,6 +10,7 @@
 #include <limits.h>
 #include <stdlib.h>
 #include <math.h>
+#include <float.h>
 
 #include "parse.h"
 #include "debug.h"
@@ -50,11 +51,11 @@ static void show_option_range(struct fio_option *o,
 				int (*logger)(const char *format, ...))
 {
 	if (o->type == FIO_OPT_FLOAT_LIST){
-		if (isnan(o->minfp) && isnan(o->maxfp))
+		if (o->minfp == DBL_MIN && o->maxfp == DBL_MAX)
 			return;
 
 		logger("%20s: min=%f", "range", o->minfp);
-		if (!isnan(o->maxfp))
+		if (o->maxfp != DBL_MAX)
 			logger(", max=%f", o->maxfp);
 		logger("\n");
 	} else {
@@ -368,10 +369,11 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
 	long ul1, ul2;
 	double uf;
 	char **cp = NULL;
+	char *cp2;
 	int ret = 0, is_time = 0;
 	const struct value_pair *vp;
 	struct value_pair posval[PARSE_MAX_VP];
-	int i, all_skipped = 1;
+	int i, len, all_skipped = 1;
 
 	dprint(FD_PARSE, "__handle_option=%s, type=%d, ptr=%s\n", o->name,
 							o->type, ptr);
@@ -501,21 +503,34 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
 		break;
 	}
 	case FIO_OPT_FLOAT_LIST: {
+		if (first) {
+			/*
+			** Initialize precision to 0 and zero out list
+			** in case specified list is shorter than default
+			*/
+			ul2 = 0;
+			ilp = td_var(data, o->off2);
+			*ilp = ul2;
+
+			flp = td_var(data, o->off1);
+			for(i = 0; i < o->maxlen; i++)
+				flp[i].u.f = 0.0;
+		}
 		if (curr >= o->maxlen) {
 			log_err("the list exceeding max length %d\n",
 					o->maxlen);
 			return 1;
 		}
-		if (!str_to_float(ptr, &uf)){
+		if (!str_to_float(ptr, &uf)) {
 			log_err("not a floating point value: %s\n", ptr);
 			return 1;
 		}
-		if (!isnan(o->maxfp) && uf > o->maxfp) {
+		if (uf > o->maxfp) {
 			log_err("value out of range: %f"
 				" (range max: %f)\n", uf, o->maxfp);
 			return 1;
 		}
-		if (!isnan(o->minfp) && uf < o->minfp) {
+		if (uf < o->minfp) {
 			log_err("value out of range: %f"
 				" (range min: %f)\n", uf, o->minfp);
 			return 1;
@@ -524,6 +539,23 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
 		flp = td_var(data, o->off1);
 		flp[curr].u.f = uf;
 
+		/*
+		** Calculate precision for output by counting
+		** number of digits after period. Find first
+		** period in entire remaining list each time
+		*/
+		cp2 = strchr(ptr, '.');
+		if (cp2 != NULL) {
+			len = 0;
+
+			while (*++cp2 != '\0' && *cp2 >= '0' && *cp2 <= '9')
+				len++;
+
+			ilp = td_var(data, o->off2);
+			if (len > *ilp)
+				*ilp = len;
+		}
+
 		break;
 	}
 	case FIO_OPT_STR_STORE: {
@@ -1091,11 +1123,8 @@ void option_init(struct fio_option *o)
 			o->maxval = UINT_MAX;
 	}
 	if (o->type == FIO_OPT_FLOAT_LIST) {
-#ifndef NAN
-#define NAN __builtin_nanf("")
-#endif
-		o->minfp = NAN;
-		o->maxfp = NAN;
+		o->minfp = DBL_MIN;
+		o->maxfp = DBL_MAX;
 	}
 	if (o->type == FIO_OPT_STR_SET && o->def) {
 		log_err("Option %s: string set option with"