util/NumberParser: utilities for parsing numbers from ASCII strings

Makefile.am

@@ -246,6 +246,7 @@ libutil_a_SOURCES = \
 	src/util/Domain.hxx \
 	src/util/ReusableArray.hxx \
 	src/util/ASCII.hxx \
+	src/util/NumberParser.hxx \
 	src/util/StringUtil.cxx src/util/StringUtil.hxx \
 	src/util/FormatString.cxx src/util/FormatString.hxx \
 	src/util/Tokenizer.cxx src/util/Tokenizer.hxx \

src/DirectorySave.cxx

@@ -24,6 +24,7 @@
 #include "SongSave.hxx"
 #include "PlaylistDatabase.hxx"
 #include "TextFile.hxx"
+#include "util/NumberParser.hxx"
 #include "util/Error.hxx"
 #include "util/Domain.hxx"
 
@@ -95,8 +96,7 @@ directory_load_subdir(TextFile &file, Directory &parent, const char *name,
 
 	if (g_str_has_prefix(line, DIRECTORY_MTIME)) {
 		directory->mtime =
-			g_ascii_strtoull(line + sizeof(DIRECTORY_MTIME) - 1,
-					 nullptr, 10);
+			ParseUint64(line + sizeof(DIRECTORY_MTIME) - 1);
 
 		line = file.ReadLine();
 		if (line == nullptr) {

src/encoder/LameEncoderPlugin.cxx

@@ -22,6 +22,7 @@
 #include "EncoderAPI.hxx"
 #include "AudioFormat.hxx"
 #include "ConfigError.hxx"
+#include "util/NumberParser.hxx"
 #include "util/ReusableArray.hxx"
 #include "util/Manual.hxx"
 #include "util/Error.hxx"
@@ -29,8 +30,6 @@
 
 #include <lame/lame.h>
 
-#include <glib.h>
-
 #include <assert.h>
 #include <string.h>
 
@@ -63,7 +62,7 @@ LameEncoder::Configure(const config_param &param, Error &error)
 	if (value != nullptr) {
 		/* a quality was configured (VBR) */
 
-		quality = g_ascii_strtod(value, &endptr);
+		quality = ParseDouble(value, &endptr);
 
 		if (*endptr != '\0' || quality < -1.0 || quality > 10.0) {
 			error.Format(config_domain,
@@ -89,7 +88,7 @@ LameEncoder::Configure(const config_param &param, Error &error)
 		}
 
 		quality = -2.0;
-		bitrate = g_ascii_strtoll(value, &endptr, 10);
+		bitrate = ParseInt(value, &endptr);
 
 		if (*endptr != '\0' || bitrate <= 0) {
 			error.Set(config_domain,

src/encoder/TwolameEncoderPlugin.cxx

@@ -22,14 +22,13 @@
 #include "EncoderAPI.hxx"
 #include "AudioFormat.hxx"
 #include "ConfigError.hxx"
+#include "util/NumberParser.hxx"
 #include "util/Error.hxx"
 #include "util/Domain.hxx"
 #include "Log.hxx"
 
 #include <twolame.h>
 
-#include <glib.h>
-
 #include <assert.h>
 #include <string.h>
 
@@ -69,7 +68,7 @@ TwolameEncoder::Configure(const config_param &param, Error &error)
 	if (value != nullptr) {
 		/* a quality was configured (VBR) */
 
-		quality = g_ascii_strtod(value, &endptr);
+		quality = ParseDouble(value, &endptr);
 
 		if (*endptr != '\0' || quality < -1.0 || quality > 10.0) {
 			error.Format(config_domain,
@@ -95,7 +94,7 @@ TwolameEncoder::Configure(const config_param &param, Error &error)
 		}
 
 		quality = -2.0;
-		bitrate = g_ascii_strtoll(value, &endptr, 10);
+		bitrate = ParseInt(value, &endptr);
 
 		if (*endptr != '\0' || bitrate <= 0) {
 			error.Set(config_domain,

src/encoder/VorbisEncoderPlugin.cxx

@@ -25,6 +25,7 @@
 #include "tag/Tag.hxx"
 #include "AudioFormat.hxx"
 #include "ConfigError.hxx"
+#include "util/NumberParser.hxx"
 #include "util/Error.hxx"
 #include "util/Domain.hxx"
 
@@ -67,7 +68,7 @@ vorbis_encoder_configure(struct vorbis_encoder *encoder,
 		/* a quality was configured (VBR) */
 
 		char *endptr;
-		encoder->quality = g_ascii_strtod(value, &endptr);
+		encoder->quality = ParseDouble(value, &endptr);
 
 		if (*endptr != '\0' || encoder->quality < -1.0 ||
 		    encoder->quality > 10.0) {
@@ -96,7 +97,7 @@ vorbis_encoder_configure(struct vorbis_encoder *encoder,
 		encoder->quality = -2.0;
 
 		char *endptr;
-		encoder->bitrate = g_ascii_strtoll(value, &endptr, 10);
+		encoder->bitrate = ParseInt(value, &endptr);
 		if (*endptr != '\0' || encoder->bitrate <= 0) {
 			error.Set(config_domain,
 				  "bitrate should be a positive integer");

src/input/CurlInputPlugin.cxx

@@ -31,6 +31,7 @@
 #include "IOThread.hxx"
 #include "util/ASCII.hxx"
 #include "util/CharUtil.hxx"
+#include "util/NumberParser.hxx"
 #include "util/Error.hxx"
 #include "util/Domain.hxx"
 #include "Log.hxx"
@@ -50,7 +51,6 @@
 #include <forward_list>
 
 #include <curl/curl.h>
-#include <glib.h>
 
 #if LIBCURL_VERSION_NUM < 0x071200
 #error libcurl is too old
@@ -854,7 +854,7 @@ input_curl_headerfunction(void *ptr, size_t size, size_t nmemb, void *stream)
 		memcpy(buffer, value, end - value);
 		buffer[end - value] = 0;
 
-		c->base.size = c->base.offset + g_ascii_strtoull(buffer, nullptr, 10);
+		c->base.size = c->base.offset + ParseUint64(buffer);
 	} else if (StringEqualsCaseASCII(name, "content-type")) {
 		c->base.mime.assign(value, end);
 	} else if (StringEqualsCaseASCII(name, "icy-name") ||
@@ -877,7 +877,7 @@ input_curl_headerfunction(void *ptr, size_t size, size_t nmemb, void *stream)
 		memcpy(buffer, value, end - value);
 		buffer[end - value] = 0;
 
-		icy_metaint = g_ascii_strtoull(buffer, nullptr, 10);
+		icy_metaint = ParseUint64(buffer);
 		FormatDebug(curl_domain, "icy-metaint=%zu", icy_metaint);
 
 		if (icy_metaint > 0) {

src/util/NumberParser.hxx

+/*
+ * Copyright (C) 2009-2013 Max Kellermann <max@duempel.org>
+ * http://www.musicpd.org
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
+ * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT 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.
+ */
+
+#ifndef NUMBER_PARSER_HXX
+#define NUMBER_PARSER_HXX
+
+#include <assert.h>
+#include <stdint.h>
+#include <stdlib.h>
+
+static inline unsigned
+ParseUnsigned(const char *p, char **endptr=nullptr, int base=10)
+{
+  assert(p != nullptr);
+
+  return (unsigned)strtoul(p, endptr, base);
+}
+
+static inline int
+ParseInt(const char *p, char **endptr=nullptr, int base=10)
+{
+  assert(p != nullptr);
+
+  return (int)strtol(p, endptr, base);
+}
+
+static inline uint64_t
+ParseUint64(const char *p, char **endptr=nullptr, int base=10)
+{
+  assert(p != nullptr);
+
+  return strtoull(p, endptr, base);
+}
+
+static inline int64_t
+ParseInt64(const char *p, char **endptr=nullptr, int base=10)
+{
+  assert(p != nullptr);
+
+  return strtoll(p, endptr, base);
+}
+
+static inline double
+ParseDouble(const char *p, char **endptr=nullptr)
+{
+  assert(p != nullptr);
+
+  return (double)strtod(p, endptr);
+}
+
+#endif