Added support for a configuration file ~/.ncmpcrc and color support.

[ncmpc.git] / support.c

diff --git a/support.c b/support.c
index ce67dc81e6b507e3db2f42e7bc5bee7449ac69fb..d7c196a9402f55d2eae09db23b69f2fa577227c8 100644 (file)
--- a/support.c
+++ b/support.c
@@ -1,8 +1,5 @@
-/*
- * $Id: support.c,v 1.2 2004/03/17 23:17:09 kalle Exp $
- *
- */
-
+#include <ctype.h>
+#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -11,7 +8,32 @@
 #include "config.h"
 #include "support.h"
 
-#ifndef HAVE_LIBGEN_H
+#ifdef HAVE_LOCALE_H
+#include <locale.h>
+#endif
+
+#ifdef HAVE_ICONV
+#include <iconv.h>
+#endif
+
+#ifdef HAVE_LANGINFO_CODESET
+#include <langinfo.h>
+#endif
+
+#define BUFSIZE 1024
+
+
+static char *charset = NULL;
+
+#ifdef HAVE_LOCALE_H
+static char *locale = NULL;
+#endif
+
+#ifdef HAVE_ICONV
+iconv_t iconv_from_uft8 = (iconv_t)(-1);
+iconv_t iconv_to_uft8 = (iconv_t)(-1);
+#endif
+
 
 char *
 remove_trailing_slash(char *path)
@@ -28,7 +50,53 @@ remove_trailing_slash(char *path)
   return path;
 }
 
+char *
+lowerstr(char *str)
+{
+  size_t i;
+  size_t len = strlen(str);
+
+  if( str==NULL )
+    return NULL;
+
+  i=0;
+  while(i<len && str[i])
+    {
+      str[i] = tolower(str[i]);
+      i++;
+    }
+  return str;
+}
+
 
+char *
+concat_path(char *p1, char *p2)
+{
+  size_t size;
+  char *path;
+  char append_slash = 0;
+
+  size = strlen(p1);
+  if( size==0 || p1[size-1]!='/' )
+    {
+      size++;
+      append_slash = 1;
+    }
+  size += strlen(p2);
+  size++;
+
+  path = calloc(size, sizeof(char));
+  strncpy(path, p1, size);
+  if( append_slash )
+    strncat(path, "/", size);
+  strncat(path, p2, size);
+
+  return path;
+}
+
+
+
+#ifndef HAVE_BASENAME
 char *
 basename(char *path)
 {
@@ -45,20 +113,112 @@ basename(char *path)
 
   return path;
 }
+#endif /* HAVE_BASENAME */
 
-#endif /* HAVE_LIBGEN_H */
 
+#ifndef HAVE_STRCASESTR
 char *
-utf8(char *str)
+strcasestr(const char *haystack, const char *needle)
+{
+  return strstr(lowerstr(haystack), lowerstr(needle));
+}
+#endif /* HAVE_STRCASESTR */
+
+
+int
+charset_init(void)
 {
-  static const gchar *charset = NULL;
-  static gboolean locale_is_utf8 = FALSE;
+#ifdef HAVE_LOCALE_H
+  /* get current locale */
+  if( (locale=setlocale(LC_CTYPE,"")) == NULL )
+    {
+      fprintf(stderr,"setlocale() - failed!\n");
+      return -1;
+    }
+#endif
+
+#ifdef HAVE_LANGINFO_CODESET
+  /* get charset */
+  if( (charset=nl_langinfo(CODESET)) == NULL )
+    {
+      fprintf(stderr,
+             "nl_langinfo() failed using default:" DEFAULT_CHARSET "\n");
+    }
+#endif
+  
+  if( charset==NULL )
+    charset = DEFAULT_CHARSET;
+  
+#ifdef HAVE_ICONV
+  /* allocate descriptor for character set conversion */
+  iconv_from_uft8 = iconv_open(charset, "UTF-8");
+  if( iconv_from_uft8 == (iconv_t)(-1) )
+    {
+      perror("iconv_open");
+      return -1;
+    }
+#endif
+
+  return 0;
+}
 
-  if( !charset )
-    locale_is_utf8 = g_get_charset(&charset);
+int
+charset_close(void)
+{
+#ifdef HAVE_ICONV
+  if( iconv_from_uft8 == (iconv_t)(-1) )
+    {
+      iconv_close(iconv_from_uft8);
+      iconv_from_uft8 = (iconv_t)(-1);
+    }
+  if( iconv_to_uft8 == (iconv_t)(-1) )
+    {
+      iconv_close(iconv_to_uft8);
+      iconv_to_uft8 = (iconv_t)(-1);
+    }
+#endif
+  return 0;
+}
 
-  if( locale_is_utf8 )
-    return str;
 
-  return g_locale_from_utf8(str, -1, NULL, NULL, NULL);
+
+char *
+utf8_to_locale(char *str)
+{
+#ifdef HAVE_ICONV
+  size_t inleft;
+  size_t retlen;
+  char *ret;
+
+  if( iconv_from_uft8 == (iconv_t)(-1) )
+    return strdup(str);
+
+  ret = NULL;
+  retlen = 0;
+  inleft = strlen(str);
+  while( inleft>0 )
+    {
+      char buf[BUFSIZE];
+      size_t outleft = BUFSIZE;
+      char *bufp = buf;
+
+      if( iconv(iconv_from_uft8, &str, &inleft, &bufp, &outleft) <0 )
+       {
+         perror("iconv");
+         free(ret);
+         return NULL;
+       }
+      ret = realloc(ret, BUFSIZE-outleft+1);
+      memcpy(ret+retlen, buf, BUFSIZE-outleft);
+      retlen += BUFSIZE-outleft;
+      ret[retlen] = '\0';
+    }
+  return ret;
+
+#else
+  return strdup(str);
+#endif
 }
+
+
+