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diff --git a/src/prefix.cpp b/src/prefix.cpp
index 3c9ec6caea49e4d88d656065d53988dcfa71e759..92409a7d2c3dc3aff3e60c7c89b9a8acff1eb221 100644 (file)
--- a/src/prefix.cpp
+++ b/src/prefix.cpp
* Written by: Mike Hearn <mike@theoretic.com>
* Hongli Lai <h.lai@chello.nl>
* http://autopackage.org/
- *
+ *
* This source code is public domain. You can relicense this code
* under whatever license you want.
*
#endif
-/* PLEASE NOTE: We use GThreads now for portability */
-/* @see http://developer.gnome.org/doc/API/2.0/glib/glib-Threads.html */
-#ifndef BR_THREADS
- /* Change 1 to 0 if you don't want thread support */
- #define BR_THREADS 1
- #include <glib.h> //for GThreads
-#endif /* BR_THREADS */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <limits.h>
-#include <string.h>
+#include <glib.h>
+#include <cstdlib>
+#include <cstdio>
+#include <cstring>
+#include <limits.h>
#include "prefix.h"
+
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define NULL ((void *) 0)
#ifdef __GNUC__
- #define br_return_val_if_fail(expr,val) if (!(expr)) {fprintf (stderr, "** BinReloc (%s): assertion %s failed\n", __PRETTY_FUNCTION__, #expr); return val;}
+ #define br_return_val_if_fail(expr,val) if (!(expr)) {fprintf (stderr, "** BinReloc (%s): assertion %s failed\n", __PRETTY_FUNCTION__, #expr); return val;}
#else
- #define br_return_val_if_fail(expr,val) if (!(expr)) return val
+ #define br_return_val_if_fail(expr,val) if (!(expr)) return val
#endif /* __GNUC__ */
* br_locate:
* symbol: A symbol that belongs to the app/library you want to locate.
* Returns: A newly allocated string containing the full path of the
- * app/library that func belongs to, or NULL on error. This
- * string should be freed when not when no longer needed.
+ * app/library that func belongs to, or NULL on error. This
+ * string should be freed when not when no longer needed.
*
* Finds out to which application or library symbol belongs, then locate
* the full path of that application or library.
* #include "libfoo.h"
*
* int main (int argc, char *argv[]) {
- * printf ("Full path of this app: %s\n", br_locate (&argc));
- * libfoo_start ();
- * return 0;
+ * printf ("Full path of this app: %s\n", br_locate (&argc));
+ * libfoo_start ();
+ * return 0;
* }
*
* --> libfoo.c starts here
* #include "prefix.h"
*
* void libfoo_start () {
- * --> "" is a symbol that belongs to libfoo (because it's called
- * --> from libfoo_start()); that's why this works.
- * printf ("libfoo is located in: %s\n", br_locate (""));
+ * --> "" is a symbol that belongs to libfoo (because it's called
+ * --> from libfoo_start()); that's why this works.
+ * printf ("libfoo is located in: %s\n", br_locate (""));
* }
*/
char *
br_locate (void *symbol)
{
- char line[5000];
- FILE *f;
- char *path;
-
- br_return_val_if_fail (symbol != NULL, NULL);
-
- f = fopen ("/proc/self/maps", "r");
- if (!f)
- return NULL;
-
- while (!feof (f))
- {
- unsigned long start, end;
-
- if (!fgets (line, sizeof (line), f))
- continue;
- if (!strstr (line, " r-xp ") || !strchr (line, '/'))
- continue;
-
- sscanf (line, "%lx-%lx ", &start, &end);
- if (symbol >= (void *) start && symbol < (void *) end)
- {
- char *tmp;
- size_t len;
-
- /* Extract the filename; it is always an absolute path */
- path = strchr (line, '/');
-
- /* Get rid of the newline */
- tmp = strrchr (path, '\n');
- if (tmp) *tmp = 0;
-
- /* Get rid of "(deleted)" */
- len = strlen (path);
- if (len > 10 && strcmp (path + len - 10, " (deleted)") == 0)
- {
- tmp = path + len - 10;
- *tmp = 0;
- }
-
- fclose(f);
- return strdup (path);
- }
- }
-
- fclose (f);
- return NULL;
+ char line[5000];
+ FILE *f;
+ char *path;
+
+ br_return_val_if_fail (symbol != NULL, NULL);
+
+ f = fopen ("/proc/self/maps", "r");
+ if (!f)
+ return NULL;
+
+ while (!feof (f))
+ {
+ unsigned long start, end;
+
+ if (!fgets (line, sizeof (line), f))
+ continue;
+ if (!strstr (line, " r-xp ") || !strchr (line, '/'))
+ continue;
+
+ sscanf (line, "%lx-%lx ", &start, &end);
+ if (symbol >= (void *) start && symbol < (void *) end)
+ {
+ char *tmp;
+ size_t len;
+
+ /* Extract the filename; it is always an absolute path */
+ path = strchr (line, '/');
+
+ /* Get rid of the newline */
+ tmp = strrchr (path, '\n');
+ if (tmp) *tmp = 0;
+
+ /* Get rid of "(deleted)" */
+ len = strlen (path);
+ if (len > 10 && strcmp (path + len - 10, " (deleted)") == 0)
+ {
+ tmp = path + len - 10;
+ *tmp = 0;
+ }
+
+ fclose(f);
+ return strdup (path);
+ }
+ }
+
+ fclose (f);
+ return NULL;
}
char *
br_locate_prefix (void *symbol)
{
- char *path, *prefix;
+ char *path, *prefix;
- br_return_val_if_fail (symbol != NULL, NULL);
+ br_return_val_if_fail (symbol != NULL, NULL);
- path = br_locate (symbol);
- if (!path) return NULL;
+ path = br_locate (symbol);
+ if (!path) return NULL;
- prefix = br_extract_prefix (path);
- free (path);
- return prefix;
+ prefix = br_extract_prefix (path);
+ free (path);
+ return prefix;
}
* symbol: A symbol that belongs to the app/library you want to locate.
* path: The path that you want to prepend the prefix to.
* Returns: The new path, or NULL on error. This string should be freed when no
- * longer needed.
+ * longer needed.
*
* Gets the prefix of the app/library that symbol belongs to. Prepend that prefix to path.
* Note that symbol cannot be a pointer to a function. That will not work.
char *
br_prepend_prefix (void *symbol, char *path)
{
- char *tmp, *newpath;
+ char *tmp, *newpath;
- br_return_val_if_fail (symbol != NULL, NULL);
- br_return_val_if_fail (path != NULL, NULL);
+ br_return_val_if_fail (symbol != NULL, NULL);
+ br_return_val_if_fail (path != NULL, NULL);
- tmp = br_locate_prefix (symbol);
- if (!tmp) return NULL;
+ tmp = br_locate_prefix (symbol);
+ if (!tmp) return NULL;
- if (strcmp (tmp, "/") == 0)
- newpath = strdup (path);
- else
- newpath = br_strcat (tmp, path);
+ if (strcmp (tmp, "/") == 0)
+ newpath = strdup (path);
+ else
+ newpath = br_strcat (tmp, path);
- /* Get rid of compiler warning ("br_prepend_prefix never used") */
- if (0) br_prepend_prefix (NULL, NULL);
+ /* Get rid of compiler warning ("br_prepend_prefix never used") */
+ if (0) br_prepend_prefix (NULL, NULL);
- free (tmp);
- return newpath;
+ free (tmp);
+ return newpath;
}
#endif /* ENABLE_BINRELOC */
const char *
br_thread_local_store (char *str)
{
- #if BR_THREADS
+ #if BR_THREADS
if (!g_thread_supported ())
{
g_thread_init ((GThreadFunctions *)NULL);
br_thread_key = g_private_new (g_free);
}
- char *specific = (char *) g_private_get (br_thread_key);
- if (specific)
+ char *specific = (char *) g_private_get (br_thread_key);
+ if (specific)
free (specific);
g_private_set (br_thread_key, str);
- #else /* !BR_THREADS */
- static int initialized = 0;
+ #else /* !BR_THREADS */
+ static int initialized = 0;
- if (!initialized)
- {
- atexit (br_free_last_value);
- initialized = 1;
- }
+ if (!initialized)
+ {
+ atexit (br_free_last_value);
+ initialized = 1;
+ }
- if (br_last_value)
- free (br_last_value);
- br_last_value = str;
- #endif /* BR_THREADS */
+ if (br_last_value)
+ free (br_last_value);
+ br_last_value = str;
+ #endif /* BR_THREADS */
- return (const char *) str;
+ return (const char *) str;
}
char *
br_strcat (const char *str1, const char *str2)
{
- char *result;
- size_t len1, len2;
+ char *result;
+ size_t len1, len2;
- if (!str1) str1 = "";
- if (!str2) str2 = "";
+ if (!str1) str1 = "";
+ if (!str2) str2 = "";
- len1 = strlen (str1);
- len2 = strlen (str2);
+ len1 = strlen (str1);
+ len2 = strlen (str2);
- result = (char *) malloc (len1 + len2 + 1);
- memcpy (result, str1, len1);
- memcpy (result + len1, str2, len2);
- result[len1 + len2] = '\0';
+ result = (char *) malloc (len1 + len2 + 1);
+ memcpy (result, str1, len1);
+ memcpy (result + len1, str2, len2);
+ result[len1 + len2] = '\0';
- return result;
+ return result;
}
static char *
br_strndup (char *str, size_t size)
{
- char *result = (char*)NULL;
- size_t len;
+ char *result = (char*)NULL;
+ size_t len;
- br_return_val_if_fail (str != (char*)NULL, (char*)NULL);
+ br_return_val_if_fail (str != (char*)NULL, (char*)NULL);
- len = strlen (str);
- if (!len) return strdup ("");
- if (size > len) size = len;
+ len = strlen (str);
+ if (!len) return strdup ("");
+ if (size > len) size = len;
- result = (char *) calloc (sizeof (char), len + 1);
- memcpy (result, str, size);
- return result;
+ result = (char *) calloc (sizeof (char), len + 1);
+ memcpy (result, str, size);
+ return result;
}
char *
br_extract_dir (const char *path)
{
- char *end, *result;
-
- br_return_val_if_fail (path != (char*)NULL, (char*)NULL);
-
- end = strrchr (path, '/');
- if (!end) return strdup (".");
-
- while (end > path && *end == '/')
- end--;
- result = br_strndup ((char *) path, end - path + 1);
- if (!*result)
- {
- free (result);
- return strdup ("/");
- } else
- return result;
+ const char *end;
+ char *result;
+
+ br_return_val_if_fail (path != (char*)NULL, (char*)NULL);
+
+ end = strrchr (path, '/');
+ if (!end) return strdup (".");
+
+ while (end > path && *end == '/')
+ end--;
+ result = br_strndup ((char *) path, end - path + 1);
+ if (!*result)
+ {
+ free (result);
+ return strdup ("/");
+ } else
+ return result;
}
char *
br_extract_prefix (const char *path)
{
- char *end, *tmp, *result;
+ const char *end;
+ char *tmp, *result;
+
+ br_return_val_if_fail (path != (char*)NULL, (char*)NULL);
+
+ if (!*path) return strdup ("/");
+ end = strrchr (path, '/');
+ if (!end) return strdup (path);
+
+ tmp = br_strndup ((char *) path, end - path);
+ if (!*tmp)
+ {
+ free (tmp);
+ return strdup ("/");
+ }
+ end = strrchr (tmp, '/');
+ if (!end) return tmp;
+
+ result = br_strndup (tmp, end - tmp);
+ free (tmp);
+
+ if (!*result)
+ {
+ free (result);
+ result = strdup ("/");
+ }
+
+ return result;
+}
- br_return_val_if_fail (path != (char*)NULL, (char*)NULL);
- if (!*path) return strdup ("/");
- end = strrchr (path, '/');
- if (!end) return strdup (path);
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
- tmp = br_strndup ((char *) path, end - path);
- if (!*tmp)
- {
- free (tmp);
- return strdup ("/");
- }
- end = strrchr (tmp, '/');
- if (!end) return tmp;
- result = br_strndup (tmp, end - tmp);
- free (tmp);
- if (!*result)
- {
- free (result);
- result = strdup ("/");
- }
+#ifdef __WIN32__
- return result;
+/**
+ * Provide a similar mechanism for Win32. Enable a macro,
+ * WIN32_DATADIR, that can look up subpaths for inkscape resources
+ */
+
+#include <windows.h>
+#include <glibmm/ustring.h>
+
+/**
+ * Return the directory of the .exe that is currently running
+ */
+Glib::ustring win32_getExePath()
+{
+ gunichar2 path[2048];
+ GetModuleFileNameW(0, (WCHAR*) path, 2048);
+ gchar *exe = g_utf16_to_utf8(path, -1, 0,0,0);
+ gchar *dir = g_path_get_dirname(exe);
+ Glib::ustring ret = dir;
+ g_free(dir);
+ g_free(exe);
+ return ret;
}
-#ifdef __cplusplus
+/**
+ * Return the relocatable version of the datadir,
+ * probably c:\inkscape
+ */
+static Glib::ustring win32_getDataDir()
+{
+ Glib::ustring dir = win32_getExePath();
+ if (INKSCAPE_DATADIR && *INKSCAPE_DATADIR &&
+ strcmp(INKSCAPE_DATADIR, ".") != 0)
+ {
+ dir += "\\";
+ dir += INKSCAPE_DATADIR;
+ }
+ return dir;
}
-#endif /* __cplusplus */
+
+static Glib::ustring win32_getResourcePath(const Glib::ustring &childPath)
+{
+ Glib::ustring dir = win32_getDataDir();
+ if (childPath.size() > 0)
+ {
+ dir += "\\";
+ dir += childPath;
+ }
+ return dir;
+}
+
+
+/**
+ * This is the visible utility function
+ */
+char *win32_relative_path(const char *childPath)
+{
+ static char *returnPath = 0;
+ if (!childPath)
+ childPath = "";
+ Glib::ustring resourcePath = win32_getResourcePath(childPath);
+ if (returnPath)
+ free(returnPath);
+ returnPath = strdup(resourcePath.c_str());
+ return returnPath;
+}
+#endif /* __WIN32__ */
+
+
+
#endif /* _PREFIX_C */