X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=parse.c;h=ad2782f0fbe93c9ddc822015343390d37f967a98;hp=db2f5a42f85aa68b5c7e768f0dee5f2be14cef2a;hb=74ba1808c32e978229eefa7cf28c08bcb73b5b5d;hpb=1d1c187b36fd4ee28d72d04660b37a7c3edd64e6

diff --git a/parse.c b/parse.c
index db2f5a42..ad2782f0 100644
--- a/parse.c
+++ b/parse.c
@@ -79,6 +79,7 @@ static void show_option_help(struct fio_option *o, FILE *out)
 	const char *typehelp[] = {
 		"invalid",
 		"string (opt=bla)",
+		"string (opt=bla)",
 		"string with possible k/m/g postfix (opt=4k)",
 		"string with time postfix (opt=10s)",
 		"string (opt=bla)",
@@ -117,7 +118,8 @@ static unsigned long get_mult_time(char c)
 	}
 }
 
-static unsigned long long __get_mult_bytes(const char *p, void *data)
+static unsigned long long __get_mult_bytes(const char *p, void *data,
+					   int *percent)
 {
 	unsigned int kb_base = fio_get_kb_base(data);
 	unsigned long long ret = 1;
@@ -157,6 +159,10 @@ static unsigned long long __get_mult_bytes(const char *p, void *data)
 		pow = 2;
 	else if (!strcmp("k", c) || !strcmp("kb", c))
 		pow = 1;
+	else if (!strcmp("%", c)) {
+		*percent = 1;
+		return ret;
+	}
 
 	while (pow--)
 		ret *= (unsigned long long) mult;
@@ -165,25 +171,27 @@ static unsigned long long __get_mult_bytes(const char *p, void *data)
 	return ret;
 }
 
-static unsigned long long get_mult_bytes(const char *str, int len, void *data)
+static unsigned long long get_mult_bytes(const char *str, int len, void *data,
+					 int *percent)
 {
-	const char *p;
+	const char *p = str;
 
 	if (len < 2)
-		return __get_mult_bytes(str, data);
+		return __get_mult_bytes(str, data, percent);
 
-	/*
-	 * if the last char is 'b' or 'B', the user likely used
-	 * "1gb" instead of just "1g". If the second to last is also
-	 * a letter, adjust.
-	 */
-	p = str + len - 1;
-	while (isalpha(*(p - 1)))
-		p--;
-	if (!isalpha(*p))
+        /*
+         * Go forward until we hit a non-digit
+         */
+	while ((p - str) <= len) {
+		if (!isdigit((int) *p))
+			break;
+		p++;
+	}
+
+	if (!isalpha((int) *p) && (*p != '%'))
 		p = NULL;
 
-	return __get_mult_bytes(p, data);
+	return __get_mult_bytes(p, data, percent);
 }
 
 /*
@@ -206,9 +214,16 @@ int str_to_decimal(const char *str, long long *val, int kilo, void *data)
 	if (*val == LONG_MAX && errno == ERANGE)
 		return 1;
 
-	if (kilo)
-		*val *= get_mult_bytes(str, len, data);
-	else
+	if (kilo) {
+		unsigned long long mult;
+		int perc = 0;
+
+		mult = get_mult_bytes(str, len, data, &perc);
+		if (perc)
+			*val = -1ULL - *val;
+		else
+			*val *= mult;
+	} else
 		*val *= get_mult_time(str[len - 1]);
 
 	return 0;
@@ -228,7 +243,7 @@ void strip_blank_front(char **p)
 {
 	char *s = *p;
 
-	while (isspace(*s))
+	while (isspace((int) *s))
 		s++;
 
 	*p = s;
@@ -248,7 +263,7 @@ void strip_blank_end(char *p)
 		p = s;
 
 	s = p + strlen(p);
-	while ((isspace(*s) || iscntrl(*s)) && (s > start))
+	while ((isspace((int) *s) || iscntrl((int) *s)) && (s > start))
 		s--;
 
 	*(s + 1) = '\0';
@@ -483,10 +498,17 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
 
 		break;
 	}
-	case FIO_OPT_BOOL: {
+	case FIO_OPT_BOOL:
+	case FIO_OPT_STR_SET: {
 		fio_opt_int_fn *fn = o->cb;
 
-		ret = check_int(ptr, &il);
+		if (ptr)
+			ret = check_int(ptr, &il);
+		else if (o->type == FIO_OPT_BOOL)
+			ret = 1;
+		else
+			il = 1;
+
 		if (ret)
 			break;
 
@@ -522,27 +544,6 @@ static int __handle_option(struct fio_option *o, const char *ptr, void *data,
 		}
 		break;
 	}
-	case FIO_OPT_STR_SET: {
-		fio_opt_str_set_fn *fn = o->cb;
-
-		if (fn)
-			ret = fn(data);
-		else {
-			if (first) {
-				if (o->roff1)
-					*(unsigned int *) o->roff1 = 1;
-				else
-					val_store(ilp, 1, o->off1, 0, data);
-			}
-			if (!more) {
-				if (o->roff2)
-					*(unsigned int *) o->roff2 = 1;
-				else if (o->off2)
-					val_store(ilp, 1, o->off2, 0, data);
-			}
-		}
-		break;
-	}
 	case FIO_OPT_DEPRECATED:
 		fprintf(stdout, "Option %s is deprecated\n", o->name);
 		break;