From: Jaroslav Kysela <perex@perex.cz>
Date: Mon, 13 May 2002 09:34:08 +0000 (+0000)
Subject: Added INTEGER64 support by Paul Davis
X-Git-Tag: v1.0.3~428
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=ffda02123d2e421104932e2e15dccb9ae31a59da;p=alsa-lib.git

Added INTEGER64 support by Paul Davis
---

diff --git a/include/conf.h b/include/conf.h
index 87ae3f7f..fe529f53 100644
--- a/include/conf.h
+++ b/include/conf.h
@@ -47,6 +47,8 @@ extern "C" {
 typedef enum _snd_config_type {
 	/** Integer number */
         SND_CONFIG_TYPE_INTEGER,
+	/** 64 bit Integer number */
+        SND_CONFIG_TYPE_INTEGER64,
 	/** Real number */
         SND_CONFIG_TYPE_REAL,
 	/** Character string */
@@ -98,12 +100,14 @@ int snd_config_copy(snd_config_t **dst, snd_config_t *src);
 int snd_config_make(snd_config_t **config, const char *key,
 		    snd_config_type_t type);
 int snd_config_make_integer(snd_config_t **config, const char *key);
+int snd_config_make_integer64(snd_config_t **config, const char *key);
 int snd_config_make_real(snd_config_t **config, const char *key);
 int snd_config_make_string(snd_config_t **config, const char *key);
 int snd_config_make_pointer(snd_config_t **config, const char *key);
 int snd_config_make_compound(snd_config_t **config, const char *key, int join);
 
 int snd_config_imake_integer(snd_config_t **config, const char *key, const long value);
+int snd_config_imake_integer64(snd_config_t **config, const char *key, const long long value);
 int snd_config_imake_real(snd_config_t **config, const char *key, const double value);
 int snd_config_imake_string(snd_config_t **config, const char *key, const char *ascii);
 int snd_config_imake_pointer(snd_config_t **config, const char *key, const void *ptr);
@@ -112,12 +116,14 @@ snd_config_type_t snd_config_get_type(const snd_config_t *config);
 
 int snd_config_set_id(snd_config_t *config, const char *id);
 int snd_config_set_integer(snd_config_t *config, long value);
+int snd_config_set_integer64(snd_config_t *config, long long value);
 int snd_config_set_real(snd_config_t *config, double value);
 int snd_config_set_string(snd_config_t *config, const char *value);
 int snd_config_set_ascii(snd_config_t *config, const char *ascii);
 int snd_config_set_pointer(snd_config_t *config, const void *ptr);
 int snd_config_get_id(const snd_config_t *config, const char **value);
 int snd_config_get_integer(const snd_config_t *config, long *value);
+int snd_config_get_integer64(const snd_config_t *config, long long *value);
 int snd_config_get_real(const snd_config_t *config, double *value);
 int snd_config_get_ireal(const snd_config_t *config, double *value);
 int snd_config_get_string(const snd_config_t *config, const char **value);
diff --git a/include/control.h b/include/control.h
index b3001a3a..49ef4fbc 100644
--- a/include/control.h
+++ b/include/control.h
@@ -343,6 +343,9 @@ unsigned int snd_ctl_elem_info_get_count(const snd_ctl_elem_info_t *obj);
 long snd_ctl_elem_info_get_min(const snd_ctl_elem_info_t *obj);
 long snd_ctl_elem_info_get_max(const snd_ctl_elem_info_t *obj);
 long snd_ctl_elem_info_get_step(const snd_ctl_elem_info_t *obj);
+long long snd_ctl_elem_info_get_min64(const snd_ctl_elem_info_t *obj);
+long long snd_ctl_elem_info_get_max64(const snd_ctl_elem_info_t *obj);
+long long snd_ctl_elem_info_get_step64(const snd_ctl_elem_info_t *obj);
 unsigned int snd_ctl_elem_info_get_items(const snd_ctl_elem_info_t *obj);
 void snd_ctl_elem_info_set_item(snd_ctl_elem_info_t *obj, unsigned int val);
 const char *snd_ctl_elem_info_get_item_name(const snd_ctl_elem_info_t *obj);
diff --git a/src/conf.c b/src/conf.c
index e00ab7c3..11822b4c 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -415,6 +415,7 @@ compound node.</P>
 #include <stdarg.h>
 #include <wordexp.h>
 #include <dlfcn.h>
+#include <limits.h>
 #include <sys/stat.h>
 #include <pthread.h>
 #include "local.h"
@@ -426,6 +427,7 @@ struct _snd_config {
 	snd_config_type_t type;
 	union {
 		long integer;
+		long long integer64;
 		char *string;
 		double real;
 		const void *ptr;
@@ -458,6 +460,18 @@ typedef struct {
 	int ch;
 } input_t;
 
+int safe_strtoll(const char *str, long long *val)
+{
+	long long v;
+	if (!*str)
+		return -EINVAL;
+	errno = 0;
+	if (sscanf(str, "%Ld", &v) != 1)
+		return -EINVAL;
+	*val = v;
+	return 0;
+}
+
 int safe_strtol(const char *str, long *val)
 {
 	char *end;
@@ -882,9 +896,9 @@ static int parse_value(snd_config_t **_n, snd_config_t *father, input_t *input,
 		return 0;
 	}
 	if (err == 0 && ((s[0] >= '0' && s[0] <= '9') || s[0] == '-')) {
-		long i;
+		long long i;
 		errno = 0;
-		err = safe_strtol(s, &i);
+		err = safe_strtoll(s, &i);
 		if (err < 0) {
 			double r;
 			err = safe_strtod(s, &r);
@@ -907,16 +921,22 @@ static int parse_value(snd_config_t **_n, snd_config_t *father, input_t *input,
 		} else {
 			free(s);
 			if (n) {
-				if (n->type != SND_CONFIG_TYPE_INTEGER) {
+				if (n->type != SND_CONFIG_TYPE_INTEGER && n->type != SND_CONFIG_TYPE_INTEGER64) {
 					SNDERR("%s is not an integer", *id);
 					return -EINVAL;
 				}
 			} else {
-				err = _snd_config_make_add(&n, id, SND_CONFIG_TYPE_INTEGER, father);
+				if (i <= INT_MAX) 
+					err = _snd_config_make_add(&n, id, SND_CONFIG_TYPE_INTEGER, father);
+				else
+					err = _snd_config_make_add(&n, id, SND_CONFIG_TYPE_INTEGER64, father);
 				if (err < 0)
 					return err;
 			}
-			n->u.integer = i;
+			if (n->type == SND_CONFIG_TYPE_INTEGER) 
+				n->u.integer = (long) i;
+			else 
+				n->u.integer64 = i;
 			*_n = n;
 			return 0;
 		}
@@ -1291,6 +1311,9 @@ static int _snd_config_save_leaf(snd_config_t *n, snd_output_t *out,
 	case SND_CONFIG_TYPE_INTEGER:
 		snd_output_printf(out, "%ld", n->u.integer);
 		break;
+	case SND_CONFIG_TYPE_INTEGER64:
+		snd_output_printf(out, "%Ld", n->u.integer64);
+		break;
 	case SND_CONFIG_TYPE_REAL:
 		snd_output_printf(out, "%-16g", n->u.real);
 		break;
@@ -1414,6 +1437,10 @@ int snd_config_get_type_ascii(const char *ascii, snd_config_type_t *type)
 		*type = SND_CONFIG_TYPE_INTEGER;
 		return 0;
 	}
+	if (!strcmp(ascii, "integer64")) {
+		*type = SND_CONFIG_TYPE_INTEGER64;
+		return 0;
+	}
 	if (!strcmp(ascii, "real")) {
 		*type = SND_CONFIG_TYPE_REAL;
 		return 0;
@@ -1689,6 +1716,17 @@ int snd_config_make_integer(snd_config_t **config, const char *id)
 	return snd_config_make(config, id, SND_CONFIG_TYPE_INTEGER);
 }
 
+/**
+ * \brief Build an integer64 config node
+ * \param config Returned config node handle pointer
+ * \param id Node id
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_config_make_integer64(snd_config_t **config, const char *id)
+{
+	return snd_config_make(config, id, SND_CONFIG_TYPE_INTEGER64);
+}
+
 /**
  * \brief Build a real config node
  * \param config Returned config node handle pointer
@@ -1758,6 +1796,24 @@ int snd_config_imake_integer(snd_config_t **config, const char *id, const long v
 	return 0;
 }
 
+/**
+ * \brief Build an integer64 config node and use given initial value
+ * \param config Returned config node handle pointer
+ * \param id Node id
+ * \param value Initial value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_config_imake_integer64(snd_config_t **config, const char *id, const long long value)
+{
+	int err;
+	
+	err = snd_config_make(config, id, SND_CONFIG_TYPE_INTEGER64);
+	if (err < 0)
+		return err;
+	(*config)->u.integer64 = value;
+	return 0;
+}
+
 /**
  * \brief Build a real config node and use given initial value
  * \param config Returned config node handle pointer
@@ -1837,6 +1893,21 @@ int snd_config_set_integer(snd_config_t *config, long value)
 	return 0;
 }
 
+/**
+ * \brief Change the value of an integer64 config node
+ * \param config Config node handle
+ * \param value Value
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_config_set_integer64(snd_config_t *config, long long value)
+{
+	assert(config);
+	if (config->type != SND_CONFIG_TYPE_INTEGER64)
+		return -EINVAL;
+	config->u.integer64 = value;
+	return 0;
+}
+
 /**
  * \brief Change the value of a real config node
  * \param config Config node handle
@@ -1909,6 +1980,15 @@ int snd_config_set_ascii(snd_config_t *config, const char *ascii)
 			config->u.integer = i;
 		}
 		break;
+	case SND_CONFIG_TYPE_INTEGER64:
+		{
+			long long i;
+			int err = safe_strtoll(ascii, &i);
+			if (err < 0)
+				return err;
+			config->u.integer64 = i;
+		}
+		break;
 	case SND_CONFIG_TYPE_REAL:
 		{
 			double d;
@@ -1947,6 +2027,21 @@ int snd_config_get_integer(const snd_config_t *config, long *ptr)
 	return 0;
 }
 
+/**
+ * \brief Get the value of an integer64 config node
+ * \param config Config node handle
+ * \param ptr Returned value pointer
+ * \return 0 on success otherwise a negative error code
+ */
+int snd_config_get_integer64(const snd_config_t *config, long long *ptr)
+{
+	assert(config && ptr);
+	if (config->type != SND_CONFIG_TYPE_INTEGER64)
+		return -EINVAL;
+	*ptr = config->u.integer64;
+	return 0;
+}
+
 /**
  * \brief Get the value of a real config node
  * \param config Config node handle
@@ -1968,7 +2063,7 @@ int snd_config_get_real(const snd_config_t *config, double *ptr)
  * \param ptr Returned value pointer
  * \return 0 on success otherwise a negative error code
  *
- * Note: If the config type is integer, it is converted
+ * Note: If the config type is integer/integer64, it is converted
  * to the double type on the fly.
  */
 int snd_config_get_ireal(const snd_config_t *config, double *ptr)
@@ -1978,6 +2073,8 @@ int snd_config_get_ireal(const snd_config_t *config, double *ptr)
 		*ptr = config->u.real;
 	else if (config->type == SND_CONFIG_TYPE_INTEGER)
 		*ptr = config->u.integer;
+	else if (config->type == SND_CONFIG_TYPE_INTEGER64)
+		*ptr = config->u.integer64;
 	else
 		return -EINVAL;
 	return 0;
@@ -2035,6 +2132,18 @@ int snd_config_get_ascii(const snd_config_t *config, char **ascii)
 			*ascii = strdup(res);
 		}
 		break;
+	case SND_CONFIG_TYPE_INTEGER64:
+		{
+			char res[32];
+			int err;
+			err = snprintf(res, sizeof(res), "%Li", config->u.integer64);
+			if (err < 0 || err == sizeof(res)) {
+				assert(0);
+				return -ENOMEM;
+			}
+			*ascii = strdup(res);
+		}
+		break;
 	case SND_CONFIG_TYPE_REAL:
 		{
 			char res[32];
@@ -3054,6 +3163,14 @@ static int _snd_config_copy(snd_config_t *src,
 			snd_config_set_integer(*dst, v);
 			break;
 		}
+		case SND_CONFIG_TYPE_INTEGER64:
+		{
+			long long v;
+			err = snd_config_get_integer64(src, &v);
+			assert(err >= 0);
+			snd_config_set_integer64(*dst, v);
+			break;
+		}
 		case SND_CONFIG_TYPE_REAL:
 		{
 			double v;
@@ -3124,6 +3241,16 @@ static int _snd_config_expand(snd_config_t *src,
 				return err;
 			break;
 		}
+		case SND_CONFIG_TYPE_INTEGER64:
+		{
+			long long v;
+			err = snd_config_get_integer64(src, &v);
+			assert(err >= 0);
+			err = snd_config_imake_integer64(dst, id, v);
+			if (err < 0)
+				return err;
+			break;
+		}
 		case SND_CONFIG_TYPE_REAL:
 		{
 			double v;
@@ -3613,6 +3740,19 @@ static int parse_args(snd_config_t *subs, const char *str, snd_config_t *defs)
 			err = snd_config_set_integer(sub, v);
 			if (err < 0)
 				goto _err;
+		} else if (strcmp(tmp, "integer64") == 0) {
+			long long v;
+			err = snd_config_make(&sub, var, SND_CONFIG_TYPE_INTEGER64);
+			if (err < 0)
+				goto _err;
+			err = safe_strtoll(val, &v);
+			if (err < 0) {
+				SNDERR("Parameter %s must be an integer", var);
+				goto _err;
+			}
+			err = snd_config_set_integer64(sub, v);
+			if (err < 0)
+				goto _err;
 		} else if (strcmp(tmp, "real") == 0) {
 			double v;
 			err = snd_config_make(&sub, var, SND_CONFIG_TYPE_REAL);
diff --git a/src/control/control.c b/src/control/control.c
index 4281059e..7a65ce30 100644
--- a/src/control/control.c
+++ b/src/control/control.c
@@ -666,6 +666,7 @@ static const char *snd_ctl_elem_type_names[] = {
 	TYPE(ENUMERATED),
 	TYPE(BYTES),
 	TYPE(IEC958),
+	TYPE(INTEGER64),
 };
 
 static const char *snd_ctl_elem_iface_names[] = {
@@ -1599,6 +1600,42 @@ long snd_ctl_elem_info_get_step(const snd_ctl_elem_info_t *obj)
 	return obj->value.integer.step;
 }
 
+/**
+ * \brief Get minimum value from a #SND_CTL_ELEM_TYPE_INTEGER64 CTL element id/info
+ * \param obj CTL element id/info
+ * \return Minimum value
+ */
+long long snd_ctl_elem_info_get_min64(const snd_ctl_elem_info_t *obj)
+{
+	assert(obj);
+	assert(obj->type == SND_CTL_ELEM_TYPE_INTEGER64);
+	return obj->value.integer64.min;
+}
+
+/**
+ * \brief Get maximum value from a #SND_CTL_ELEM_TYPE_INTEGER64 CTL element id/info
+ * \param obj CTL element id/info
+ * \return Maximum value
+ */
+long long snd_ctl_elem_info_get_max64(const snd_ctl_elem_info_t *obj)
+{
+	assert(obj);
+	assert(obj->type == SND_CTL_ELEM_TYPE_INTEGER64);
+	return obj->value.integer64.max;
+}
+
+/**
+ * \brief Get value step from a #SND_CTL_ELEM_TYPE_INTEGER64 CTL element id/info
+ * \param obj CTL element id/info
+ * \return Step
+ */
+long long snd_ctl_elem_info_get_step64(const snd_ctl_elem_info_t *obj)
+{
+	assert(obj);
+	assert(obj->type == SND_CTL_ELEM_TYPE_INTEGER64);
+	return obj->value.integer64.step;
+}
+
 /**
  * \brief Get number of items available from a #SND_CTL_ELEM_TYPE_ENUMERATED CTL element id/info
  * \param obj CTL element id/info