init

tier0/platform.cpp

@@ -0,0 +1,118 @@
+#include "tier0/platform.h"
+#include "tier0/lib.h"
+#include "stdarg.h"
+#include "unistd.h"
+#include "sys/stat.h"
+#include "execinfo.h"
+#include "dirent.h"
+#include "dlfcn.h"
+#include "time.h"
+
+PLATFORM_INTERFACE void Plat_FatalErrorFunc(const char* szFormat, ...)
+{
+	va_list list;
+	va_start(list, szFormat);
+	V_vprintf(szFormat, list);
+	va_end(list);
+	fflush(stdout);
+	_exit(1);
+}
+
+PLATFORM_INTERFACE void Plat_ListDirRecursive(const char* szPath, ListDirCallbackFn file, ListDirCallbackFn dir)
+{
+	struct dirent *entry;
+	DIR *dp = opendir(szPath);
+
+	if (!dp) {
+		return;
+	}
+
+	while ((entry = readdir(dp)) != NULL) {
+		char full_path[1024];
+		if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0)
+			continue;
+
+		snprintf(full_path, sizeof(full_path), "%s/%s", szPath, entry->d_name);
+
+		struct stat statbuf;
+		if (stat(full_path, &statbuf) == -1) {
+			continue;
+		}
+
+		if (S_ISDIR(statbuf.st_mode)) {
+			if (dir)
+				dir(full_path);
+			Plat_ListDirRecursive(full_path, file, dir);
+		} else {
+			if (file)
+				file(full_path);
+		}
+	}
+
+	closedir(dp);
+}
+PLATFORM_INTERFACE void Plat_ListDir(const char* szPath, ListDirCallbackFn file, ListDirCallbackFn dir)
+{
+
+}
+
+PLATFORM_INTERFACE char *Plat_GetExtension( const char *szPath )
+{
+	char *last = (char*)szPath + V_strlen(szPath) - 1;
+	while (last != szPath)
+	{
+		if (*last=='.')
+		{
+			break;
+		};
+		if (*last=='/')
+		{
+			return 0;
+		}
+		last--;
+	}
+	return last+1;
+}
+
+PLATFORM_INTERFACE void Plat_Backtrace( void )
+{
+	void *buffer[64];
+	int nptrs = backtrace(buffer, 64);
+	char **symbols = backtrace_symbols(buffer, nptrs);
+
+	if (symbols == NULL) {
+		V_printf("Backtrace failed\n");
+		exit(EXIT_FAILURE);
+	}
+
+	for (int i = 0; i < nptrs; i++) {
+		V_printf(" [%d]   %s\n", i, symbols[i]);
+	}
+
+	free(symbols);
+};
+
+PLATFORM_INTERFACE void *Plat_LoadLibrary( const char *psz )
+{
+	void *lib = dlopen(psz, RTLD_GLOBAL | RTLD_NOW);
+	if (!lib)
+		V_printf("Failed to open %s\n\t%s\n", psz, dlerror());
+	return lib;
+}
+PLATFORM_INTERFACE void *Plat_GetProc( void *lib, const char *psz )
+{
+	return dlsym(lib, psz);
+}
+PLATFORM_INTERFACE void Plat_UnloadLibrary( void *lib )
+{
+	dlclose(lib);
+};
+
+PLATFORM_INTERFACE double Plat_GetTime( void )
+{
+	struct timespec tp;
+	clock_gettime(CLOCK_MONOTONIC, &tp);
+	static time_t s_starttime = tp.tv_sec;
+
+	return (tp.tv_sec-s_starttime)+tp.tv_nsec/1e9;
+}