Changeset 86579 in vbox

Timestamp:

Oct 14, 2020 8:53:56 PM (5 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

140939

Message:

IPRT/sysfs.h: Added RTLinuxConstructPath and RTLinuxConstructPathV. bugref:9224

Location:

trunk

Files:

• include/iprt/linux/sysfs.h (modified) (1 diff)
• include/iprt/mangling.h (modified) (1 diff)
• src/VBox/Runtime/r3/linux/sysfs.cpp (modified) (1 diff)

trunk/include/iprt/linux/sysfs.h

@@ -446 +446 @@
                                    const char *pszPattern, ...) RT_IPRT_FORMAT_ATTR(5, 6);
 
+/**
+ * Constructs the path of a sysfs file from the format parameters passed,
+ * prepending "/sys/" if the path is relative.
+ *
+ * @returns IPRT status code.
+ * @param   pszPath    Where to write the path.
+ * @param   cbPath     The size of the buffer pointed to by @a pszPath.
+ * @param   pszFormat  The name format, either absolute or relative to "/sys/".
+ * @param   va         The format args.
+ */
+RTDECL(int) RTLinuxConstructPathV(char *pszPath, size_t cbPath, const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(3, 0);
+
+/**
+ * Constructs the path of a sysfs file from the format parameters passed,
+ * prepending "/sys/" if the path is relative.
+ *
+ * @returns IPRT status code.
+ * @param   pszPath    Where to write the path.
+ * @param   cbPath     The size of the buffer pointed to by @a pszPath.
+ * @param   pszFormat  The name format, either absolute or relative to "/sys/".
+ * @param   ...        The format args.
+ */
+RTDECL(int) RTLinuxConstructPath(char *pszPath, size_t cbPath, const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(3, 4);
+
 /** @} */
 

trunk/include/iprt/mangling.h

@@ -1280 +1280 @@
 # define RTLinuxCheckDevicePath                         RT_MANGLER(RTLinuxCheckDevicePath)
 # define RTLinuxCheckDevicePathV                        RT_MANGLER(RTLinuxCheckDevicePathV)
+# define RTLinuxConstructPath                           RT_MANGLER(RTLinuxConstructPath)
+# define RTLinuxConstructPathV                          RT_MANGLER(RTLinuxConstructPathV)
 # define RTLinuxSysFsClose                              RT_MANGLER(RTLinuxSysFsClose)
 # define RTLinuxSysFsExists                             RT_MANGLER(RTLinuxSysFsExists)

trunk/src/VBox/Runtime/r3/linux/sysfs.cpp

@@ -125 +125 @@
 {
     return rtLinuxConstructPathV(pszBuf, cchBuf, "/sys/", pszFormat, va);
+}
+
+
+RTDECL(int) RTLinuxConstructPathV(char *pszPath, size_t cbPath, const char *pszFormat, va_list va)
+{
+    return rtLinuxSysFsConstructPath(pszPath, cbPath, pszFormat, va);
+}
+
+
+RTDECL(int) RTLinuxConstructPath(char *pszPath, size_t cbPath, const char *pszFormat, ...)
+{
+    va_list va;
+    va_start(va, pszFormat);
+    int rc = rtLinuxSysFsConstructPath(pszPath, cbPath, pszFormat, va);
+    va_end(va);
+    return rc;
 }