#include <unistd.h>
#include <string.h>
#include <sys/types.h>
-#include <pwd.h>
#include <unistd.h>
#include <assert.h>
#include <ctype.h>
#include <glib.h>
+#include <stdlib.h>
#include <babeltrace/babeltrace-internal.h>
#include <babeltrace/common-internal.h>
+#include <babeltrace/compat/unistd-internal.h>
+
+#ifndef __MINGW32__
+#include <pwd.h>
+#endif
#define SYSTEM_PLUGIN_PATH INSTALL_LIBDIR "/babeltrace/plugins"
#define HOME_ENV_VAR "HOME"
#define HOME_PLUGIN_SUBPATH "/.local/lib/babeltrace/plugins"
+static const char *bt_common_color_code_reset = "";
+static const char *bt_common_color_code_bold = "";
+static const char *bt_common_color_code_fg_default = "";
+static const char *bt_common_color_code_fg_red = "";
+static const char *bt_common_color_code_fg_green = "";
+static const char *bt_common_color_code_fg_yellow = "";
+static const char *bt_common_color_code_fg_blue = "";
+static const char *bt_common_color_code_fg_magenta = "";
+static const char *bt_common_color_code_fg_cyan = "";
+static const char *bt_common_color_code_fg_light_gray = "";
+static const char *bt_common_color_code_bg_default = "";
+static const char *bt_common_color_code_bg_red = "";
+static const char *bt_common_color_code_bg_green = "";
+static const char *bt_common_color_code_bg_yellow = "";
+static const char *bt_common_color_code_bg_blue = "";
+static const char *bt_common_color_code_bg_magenta = "";
+static const char *bt_common_color_code_bg_cyan = "";
+static const char *bt_common_color_code_bg_light_gray = "";
+
+static
+void __attribute__((constructor)) bt_common_color_ctor(void)
+{
+ if (bt_common_colors_supported()) {
+ bt_common_color_code_reset = BT_COMMON_COLOR_RESET;
+ bt_common_color_code_bold = BT_COMMON_COLOR_BOLD;
+ bt_common_color_code_fg_default = BT_COMMON_COLOR_FG_DEFAULT;
+ bt_common_color_code_fg_red = BT_COMMON_COLOR_FG_RED;
+ bt_common_color_code_fg_green = BT_COMMON_COLOR_FG_GREEN;
+ bt_common_color_code_fg_yellow = BT_COMMON_COLOR_FG_YELLOW;
+ bt_common_color_code_fg_blue = BT_COMMON_COLOR_FG_BLUE;
+ bt_common_color_code_fg_magenta = BT_COMMON_COLOR_FG_MAGENTA;
+ bt_common_color_code_fg_cyan = BT_COMMON_COLOR_FG_CYAN;
+ bt_common_color_code_fg_light_gray = BT_COMMON_COLOR_FG_LIGHT_GRAY;
+ bt_common_color_code_bg_default = BT_COMMON_COLOR_BG_DEFAULT;
+ bt_common_color_code_bg_red = BT_COMMON_COLOR_BG_RED;
+ bt_common_color_code_bg_green = BT_COMMON_COLOR_BG_GREEN;
+ bt_common_color_code_bg_yellow = BT_COMMON_COLOR_BG_YELLOW;
+ bt_common_color_code_bg_blue = BT_COMMON_COLOR_BG_BLUE;
+ bt_common_color_code_bg_magenta = BT_COMMON_COLOR_BG_MAGENTA;
+ bt_common_color_code_bg_cyan = BT_COMMON_COLOR_BG_CYAN;
+ bt_common_color_code_bg_light_gray = BT_COMMON_COLOR_BG_LIGHT_GRAY;
+ }
+}
+
BT_HIDDEN
const char *bt_common_get_system_plugin_path(void)
{
return SYSTEM_PLUGIN_PATH;
}
+#ifdef __MINGW32__
+BT_HIDDEN
+bool bt_common_is_setuid_setgid(void)
+{
+ return false;
+}
+#else /* __MINGW32__ */
BT_HIDDEN
bool bt_common_is_setuid_setgid(void)
{
return (geteuid() != getuid() || getegid() != getgid());
}
+#endif /* __MINGW32__ */
-static char *bt_secure_getenv(const char *name)
+static
+char *bt_secure_getenv(const char *name)
{
if (bt_common_is_setuid_setgid()) {
printf_error("Disregarding %s environment variable for setuid/setgid binary",
return getenv(name);
}
-static const char *get_home_dir(void)
+#ifdef __MINGW32__
+static
+const char *bt_get_home_dir(void)
+{
+ return g_get_home_dir();
+}
+#else /* __MINGW32__ */
+static
+const char *bt_get_home_dir(void)
{
char *val = NULL;
struct passwd *pwd;
end:
return val;
}
+#endif /* __MINGW32__ */
BT_HIDDEN
char *bt_common_get_home_plugin_path(void)
char *path = NULL;
const char *home_dir;
- home_dir = get_home_dir();
+ home_dir = bt_get_home_dir();
if (!home_dir) {
goto end;
}
BT_HIDDEN
const char *bt_common_color_reset(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_RESET : "";
+ return bt_common_color_code_reset;
}
BT_HIDDEN
const char *bt_common_color_bold(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_BOLD : "";
+ return bt_common_color_code_bold;
}
BT_HIDDEN
const char *bt_common_color_fg_default(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_DEFAULT : "";
+ return bt_common_color_code_fg_default;
}
BT_HIDDEN
const char *bt_common_color_fg_red(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_RED : "";
+ return bt_common_color_code_fg_red;
}
BT_HIDDEN
const char *bt_common_color_fg_green(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_GREEN : "";
+ return bt_common_color_code_fg_green;
}
BT_HIDDEN
const char *bt_common_color_fg_yellow(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_YELLOW : "";
+ return bt_common_color_code_fg_yellow;
}
BT_HIDDEN
const char *bt_common_color_fg_blue(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_BLUE : "";
+ return bt_common_color_code_fg_blue;
}
BT_HIDDEN
const char *bt_common_color_fg_magenta(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_MAGENTA : "";
+ return bt_common_color_code_fg_magenta;
}
BT_HIDDEN
const char *bt_common_color_fg_cyan(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_FG_CYAN : "";
+ return bt_common_color_code_fg_cyan;
}
BT_HIDDEN
const char *bt_common_color_fg_light_gray(void)
{
- return bt_common_colors_supported() ?
- BT_COMMON_COLOR_FG_LIGHT_GRAY : "";
+ return bt_common_color_code_fg_light_gray;
}
BT_HIDDEN
const char *bt_common_color_bg_default(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_DEFAULT : "";
+ return bt_common_color_code_bg_default;
}
BT_HIDDEN
const char *bt_common_color_bg_red(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_RED : "";
+ return bt_common_color_code_bg_red;
}
BT_HIDDEN
const char *bt_common_color_bg_green(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_GREEN : "";
+ return bt_common_color_code_bg_green;
}
BT_HIDDEN
const char *bt_common_color_bg_yellow(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_YELLOW : "";
+ return bt_common_color_code_bg_yellow;
}
BT_HIDDEN
const char *bt_common_color_bg_blue(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_BLUE : "";
+ return bt_common_color_code_bg_blue;
}
BT_HIDDEN
const char *bt_common_color_bg_magenta(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_MAGENTA : "";
+ return bt_common_color_code_bg_magenta;
}
BT_HIDDEN
const char *bt_common_color_bg_cyan(void)
{
- return bt_common_colors_supported() ? BT_COMMON_COLOR_BG_CYAN : "";
+ return bt_common_color_code_bg_cyan;
}
BT_HIDDEN
const char *bt_common_color_bg_light_gray(void)
{
- return bt_common_colors_supported() ?
- BT_COMMON_COLOR_BG_LIGHT_GRAY : "";
+ return bt_common_color_code_bg_light_gray;
}
BT_HIDDEN
p++;
return p[-1] == '*' && at_end_of_pattern(p, pattern, pattern_len);
}
+
+static
+void append_path_parts(const char *path, GPtrArray *parts)
+{
+ const char *ch = path;
+ const char *last = path;
+
+ while (true) {
+ if (*ch == G_DIR_SEPARATOR || *ch == '\0') {
+ if (ch - last > 0) {
+ GString *part = g_string_new(NULL);
+
+ assert(part);
+ g_string_append_len(part, last, ch - last);
+ g_ptr_array_add(parts, part);
+ }
+
+ if (*ch == '\0') {
+ break;
+ }
+
+ last = ch + 1;
+ }
+
+ ch++;
+ }
+}
+
+static
+void destroy_gstring(void *gstring)
+{
+ (void) g_string_free(gstring, TRUE);
+}
+
+BT_HIDDEN
+GString *bt_common_normalize_path(const char *path, const char *wd)
+{
+ size_t i;
+ GString *norm_path;
+ GPtrArray *parts = NULL;
+
+ assert(path);
+ norm_path = g_string_new(G_DIR_SEPARATOR_S);
+ if (!norm_path) {
+ goto error;
+ }
+
+ parts = g_ptr_array_new_with_free_func(destroy_gstring);
+ if (!parts) {
+ goto error;
+ }
+
+ if (path[0] != G_DIR_SEPARATOR) {
+ /* Relative path: start with working directory */
+ if (wd) {
+ append_path_parts(wd, parts);
+ } else {
+ gchar *cd = g_get_current_dir();
+
+ append_path_parts(cd, parts);
+ g_free(cd);
+ }
+ }
+
+ /* Append parts of the path parameter */
+ append_path_parts(path, parts);
+
+ /* Resolve special `..` and `.` parts */
+ for (i = 0; i < parts->len; i++) {
+ GString *part = g_ptr_array_index(parts, i);
+
+ if (strcmp(part->str, "..") == 0) {
+ if (i == 0) {
+ /*
+ * First part of absolute path is `..`:
+ * this is invalid.
+ */
+ goto error;
+ }
+
+ /* Remove `..` and previous part */
+ g_ptr_array_remove_index(parts, i - 1);
+ g_ptr_array_remove_index(parts, i - 1);
+ i -= 2;
+ } else if (strcmp(part->str, ".") == 0) {
+ /* Remove `.` */
+ g_ptr_array_remove_index(parts, i);
+ i -= 1;
+ }
+ }
+
+ /* Create normalized path with what's left */
+ for (i = 0; i < parts->len; i++) {
+ GString *part = g_ptr_array_index(parts, i);
+
+ g_string_append(norm_path, part->str);
+
+ if (i < parts->len - 1) {
+ g_string_append_c(norm_path, G_DIR_SEPARATOR);
+ }
+ }
+
+ goto end;
+
+error:
+ if (norm_path) {
+ g_string_free(norm_path, TRUE);
+ norm_path = NULL;
+ }
+
+end:
+ if (parts) {
+ g_ptr_array_free(parts, TRUE);
+ }
+
+ return norm_path;
+}
+
+BT_HIDDEN
+size_t bt_common_get_page_size(void)
+{
+ int page_size;
+
+ page_size = bt_sysconf(_SC_PAGESIZE);
+ if (page_size < 0) {
+ printf_error("Cannot get system page size.");
+ abort();
+ }
+
+ return page_size;
+}
projects / babeltrace.git / blobdiff