Small code reuse improvement

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19943 a1c6a512-1295-4272-9138-f99709370657

apps/cuesheet.c

@@ -108,15 +108,6 @@ bool look_for_cuesheet_file(const char *trackpath, char *found_cue_path)
     return true;
 }
 
-static char *skip_whitespace(char* buf)
-{
-    char *r = buf;
-    while (*r && isspace(*r))
-        r++;
-    return r;
-}
-
-
 static char *get_string(const char *line)
 {
     char *start, *end;

apps/metadata/metadata_common.c

@@ -29,6 +29,7 @@
 #include "metadata_common.h"
 #include "metadata_parsers.h"
 #include "replaygain.h"
+#include "misc.h"
 
 /* Skip an ID3v2 tag if it can be found. We assume the tag is located at the
  * start of the file, which should be true in all cases where we need to skip it.
@@ -173,16 +174,6 @@ long get_slong(void* buf)
     return p[0] | (p[1] << 8) | (p[2] << 16) | (p[3] << 24);
 }
 
-static char* skip_space(char* str)
-{
-    while (isspace(*str)) 
-    {
-        str++;
-    }
-    
-    return str;
-}
-
 unsigned long get_itunes_int32(char* value, int count)
 {
     static const char hexdigits[] = "0123456789ABCDEF";
@@ -191,7 +182,7 @@ unsigned long get_itunes_int32(char* value, int count)
     
     while (count-- > 0)
     {
-        value = skip_space(value);
+        value = skip_whitespace(value);
         
         while (*value && !isspace(*value))
         {
@@ -199,7 +190,7 @@ unsigned long get_itunes_int32(char* value, int count)
         }
     }
     
-    value = skip_space(value);
+    value = skip_whitespace(value);
     
     while (*value && ((c = strchr(hexdigits, toupper(*value))) != NULL))
     {

apps/misc.c

@@ -605,8 +605,7 @@ bool settings_parseline(char* line, char** name, char** value)
 {
     char* ptr;
 
-    while ( isspace(*line) )
+    line = skip_whitespace(line);
-        line++;
 
     if ( *line == '#' )
         return false;
@@ -618,8 +617,7 @@ bool settings_parseline(char* line, char** name, char** value)
     *name = line;
     *ptr = 0;
     ptr++;
-    while (isspace(*ptr))
+    ptr = skip_whitespace(ptr);
-        ptr++;
     *value = ptr;
     return true;
 }
@@ -1123,6 +1121,16 @@ char* strrsplt(char* str, int c)
     return s;
 }
 
+char* skip_whitespace(char* const str)
+{
+    char *s = str;
+
+    while (isspace(*s)) 
+        s++;
+    
+    return s;
+}
+
 /* Test file existence, using dircache of possible */
 bool file_exists(const char *file)
 {

apps/misc.h

@@ -124,7 +124,7 @@ int hex_to_rgb(const char* hex, int* color);
 #endif
 
 char* strrsplt(char* str, int c);
-
+char* skip_whitespace(char* const str);
 bool file_exists(const char *file);
 bool dir_exists(const char *path);
 

apps/replaygain.c

@@ -224,10 +224,7 @@ static long fp_atof(const char* s, int precision)
     long sign = 1;
     bool point = false;
 
-    while ((*s != '\0') && isspace(*s))
+    s = skip_whitespace(s);
-    {
-        s++;
-    }
 
     if (*s == '-')
     {