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-rw-r--r--src/conf.c8
-rw-r--r--src/playlist/extm3u_playlist_plugin.c3
-rw-r--r--src/playlist_database.c3
-rw-r--r--src/song_save.c3
-rw-r--r--src/string_util.c9
-rw-r--r--src/string_util.h41
-rw-r--r--src/tokenizer.c7
7 files changed, 64 insertions, 10 deletions
diff --git a/src/conf.c b/src/conf.c
index 3310da17e..c759a1940 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -270,7 +270,7 @@ config_read_block(FILE *fp, int *count, char *string, GError **error_r)
}
(*count)++;
- line = g_strchug(line);
+ line = strchug_fast(line);
if (*line == 0 || *line == CONF_COMMENT)
continue;
@@ -278,7 +278,7 @@ config_read_block(FILE *fp, int *count, char *string, GError **error_r)
/* end of this block; return from the function
(and from this "while" loop) */
- line = g_strchug(line + 1);
+ line = strchug_fast(line + 1);
if (*line != 0 && *line != CONF_COMMENT) {
config_param_free(ret);
g_set_error(error_r, config_quark(), 0,
@@ -356,7 +356,7 @@ config_read_file(const char *file, GError **error_r)
count++;
- line = g_strchug(string);
+ line = strchug_fast(string);
if (*line == 0 || *line == CONF_COMMENT)
continue;
@@ -402,7 +402,7 @@ config_read_file(const char *file, GError **error_r)
return false;
}
- line = g_strchug(line + 1);
+ line = strchug_fast(line + 1);
if (*line != 0 && *line != CONF_COMMENT) {
g_set_error(error_r, config_quark(), 0,
"line %i: Unknown tokens after '{'",
diff --git a/src/playlist/extm3u_playlist_plugin.c b/src/playlist/extm3u_playlist_plugin.c
index 9a04aa066..91f6eed08 100644
--- a/src/playlist/extm3u_playlist_plugin.c
+++ b/src/playlist/extm3u_playlist_plugin.c
@@ -24,6 +24,7 @@
#include "uri.h"
#include "song.h"
#include "tag.h"
+#include "string_util.h"
#include <glib.h>
@@ -89,7 +90,7 @@ extm3u_parse_tag(const char *line)
/* 0 means unknown duration */
duration = 0;
- name = g_strchug(endptr + 1);
+ name = strchug_fast_c(endptr + 1);
if (*name == 0 && duration == 0)
/* no information available; don't allocate a tag
object */
diff --git a/src/playlist_database.c b/src/playlist_database.c
index 0a8a6f139..97da1c98e 100644
--- a/src/playlist_database.c
+++ b/src/playlist_database.c
@@ -21,6 +21,7 @@
#include "playlist_database.h"
#include "playlist_vector.h"
#include "text_file.h"
+#include "string_util.h"
#include <string.h>
#include <stdlib.h>
@@ -62,7 +63,7 @@ playlist_metadata_load(FILE *fp, struct playlist_vector *pv, const char *name,
}
*colon++ = 0;
- value = g_strchug(colon);
+ value = strchug_fast_c(colon);
if (strcmp(line, "mtime") == 0)
pm.mtime = strtol(value, NULL, 10);
diff --git a/src/song_save.c b/src/song_save.c
index a1a573298..d33e99c27 100644
--- a/src/song_save.c
+++ b/src/song_save.c
@@ -24,6 +24,7 @@
#include "directory.h"
#include "tag.h"
#include "text_file.h"
+#include "string_util.h"
#include <glib.h>
@@ -96,7 +97,7 @@ song_load(FILE *fp, struct directory *parent, const char *uri,
}
*colon++ = 0;
- value = g_strchug(colon);
+ value = strchug_fast_c(colon);
if ((type = tag_name_parse(line)) != TAG_NUM_OF_ITEM_TYPES) {
if (!song->tag) {
diff --git a/src/string_util.c b/src/string_util.c
index b93292854..3ae759917 100644
--- a/src/string_util.c
+++ b/src/string_util.c
@@ -24,6 +24,15 @@
#include <assert.h>
+const char *
+strchug_fast_c(const char *p)
+{
+ while (*p != 0 && g_ascii_isspace(*p))
+ ++p;
+
+ return p;
+}
+
bool
string_array_contains(const char *const* haystack, const char *needle)
{
diff --git a/src/string_util.h b/src/string_util.h
index df8ceeef3..372354722 100644
--- a/src/string_util.h
+++ b/src/string_util.h
@@ -20,9 +20,50 @@
#ifndef MPD_STRING_UTIL_H
#define MPD_STRING_UTIL_H
+#include <glib.h>
+
#include <stdbool.h>
/**
+ * Remove the "const" attribute from a string pointer. This is a
+ * dirty hack, don't use it unless you know what you're doing!
+ */
+G_GNUC_CONST
+static inline char *
+deconst_string(const char *p)
+{
+ union {
+ const char *in;
+ char *out;
+ } u = {
+ .in = p,
+ };
+
+ return u.out;
+}
+
+/**
+ * Returns a pointer to the first non-whitespace character in the
+ * string, or to the end of the string.
+ *
+ * This is a faster version of g_strchug(), because it does not move
+ * data.
+ */
+G_GNUC_PURE
+const char *
+strchug_fast_c(const char *p);
+
+/**
+ * Same as strchug_fast_c(), but works with a writable pointer.
+ */
+G_GNUC_PURE
+static inline char *
+strchug_fast(char *p)
+{
+ return deconst_string(strchug_fast_c(p));
+}
+
+/**
* Checks whether a string array contains the specified string.
*
* @param haystack a NULL terminated list of strings
diff --git a/src/tokenizer.c b/src/tokenizer.c
index 2b9e05070..358d804dc 100644
--- a/src/tokenizer.c
+++ b/src/tokenizer.c
@@ -19,6 +19,7 @@
#include "config.h"
#include "tokenizer.h"
+#include "string_util.h"
#include <stdbool.h>
#include <assert.h>
@@ -72,7 +73,7 @@ tokenizer_next_word(char **input_p, GError **error_r)
/* a whitespace: the word ends here */
*input = 0;
/* skip all following spaces, too */
- input = g_strchug(input + 1);
+ input = strchug_fast(input + 1);
break;
}
@@ -126,7 +127,7 @@ tokenizer_next_unquoted(char **input_p, GError **error_r)
/* a whitespace: the word ends here */
*input = 0;
/* skip all following spaces, too */
- input = g_strchug(input + 1);
+ input = strchug_fast(input + 1);
break;
}
@@ -205,7 +206,7 @@ tokenizer_next_string(char **input_p, GError **error_r)
/* finish the string and return it */
*dest = 0;
- *input_p = g_strchug(input);
+ *input_p = strchug_fast(input);
return word;
}