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authorMichael Stapelberg <michael@stapelberg.de>2009-07-21 19:07:30 +0200
committerMichael Stapelberg <michael@stapelberg.de>2009-07-21 19:07:30 +0200
commit6fda988f360b3145d5772b6964f336dd652357ea (patch)
tree31647729cafbadf3d9e8213f148e8510d4e9dfed /src/output.c
parent045c88dfe39c488340e0296e36ea785e9aa77e84 (diff)
Use own files for each function, add get_ipv6_addr.c
Diffstat (limited to 'src/output.c')
-rw-r--r--src/output.c157
1 files changed, 157 insertions, 0 deletions
diff --git a/src/output.c b/src/output.c
new file mode 100644
index 0000000..379710e
--- /dev/null
+++ b/src/output.c
@@ -0,0 +1,157 @@
+#include <stdbool.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <dirent.h>
+
+#include "i3status.h"
+
+/*
+ * Writes an errormessage to statusbar
+ *
+ */
+void write_error_to_statusbar(const char *message) {
+ cleanup_rbar_dir();
+ create_file("error");
+ write_to_statusbar("error", message, true);
+}
+
+/*
+ * Returns the correct color format for dzen (^fg(color)) or wmii (color <normcolors>)
+ *
+ */
+char *color(const char *colorstr) {
+ static char colorbuf[32];
+#ifdef DZEN
+ (void)snprintf(colorbuf, sizeof(colorbuf), "^fg(%s)", colorstr);
+#else
+ (void)snprintf(colorbuf, sizeof(colorbuf), "%s %s ", colorstr, wmii_normcolors);
+#endif
+ return colorbuf;
+}
+
+/*
+ * Cleans wmii's /rbar directory by deleting all regular files
+ *
+ */
+void cleanup_rbar_dir() {
+#ifdef DZEN
+ return;
+#endif
+ struct dirent *ent;
+ DIR *dir;
+ char pathbuf[strlen(wmii_path)+256+1];
+
+ if ((dir = opendir(wmii_path)) == NULL)
+ exit(EXIT_FAILURE);
+
+ while ((ent = readdir(dir)) != NULL) {
+ if (ent->d_type == DT_REG) {
+ (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, ent->d_name);
+ if (unlink(pathbuf) == -1)
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ (void)closedir(dir);
+}
+
+/*
+ * Creates the specified file in wmii's /rbar directory with
+ * correct modes and initializes colors if colormode is enabled
+ *
+ */
+void create_file(const char *name) {
+#ifdef DZEN
+ return;
+#endif
+ char pathbuf[strlen(wmii_path)+256+1];
+ int fd;
+ int flags = O_CREAT | O_WRONLY;
+ struct stat statbuf;
+
+ (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, name);
+
+ /* Overwrite file's contents if it exists */
+ if (stat(pathbuf, &statbuf) >= 0)
+ flags |= O_TRUNC;
+
+ if ((fd = open(pathbuf, flags, S_IRUSR | S_IWUSR)) < 0)
+ exit(EXIT_FAILURE);
+ if (use_colors) {
+ char *tmp = color("#888888");
+ if (write(fd, tmp, strlen(tmp)) != (ssize_t)strlen(tmp))
+ exit(EXIT_FAILURE);
+ }
+ (void)close(fd);
+}
+
+/*
+ * Waits until wmii_path/rbar exists (= the filesystem gets mounted),
+ * cleans up all files and creates the needed files
+ *
+ */
+void setup(void) {
+ unsigned int i;
+ char pathbuf[512];
+
+#ifndef DZEN
+ struct stat statbuf;
+ /* Wait until wmii_path/rbar exists */
+ for (; stat(wmii_path, &statbuf) < 0; sleep(interval));
+#endif
+
+ cleanup_rbar_dir();
+ if (wlan_interface)
+ create_file(concat(order[ORDER_WLAN],"wlan"));
+ if (eth_interface)
+ create_file(concat(order[ORDER_ETH],"eth"));
+ if (get_cpu_temperature)
+ create_file(concat(order[ORDER_CPU_TEMPERATURE], "cpu_temperature"));
+ create_file(concat(order[ORDER_LOAD],"load"));
+ if (time_format)
+ create_file(concat(order[ORDER_TIME],"time"));
+ for (i = 0; i < num_run_watches; i += 2) {
+ snprintf(pathbuf, sizeof(pathbuf), "%s%s", order[ORDER_RUN], run_watches[i]);
+ create_file(pathbuf);
+ }
+}
+
+/*
+ * Writes the given message in the corresponding file in wmii's /rbar directory
+ *
+ */
+void write_to_statusbar(const char *name, const char *message, bool final_entry) {
+#ifdef DZEN
+ if (final_entry) {
+ if (printf("%s^p(6)\n", message) < 0) {
+ perror("printf");
+ exit(1);
+ }
+
+ fflush(stdout);
+ return;
+ }
+ if (printf("%s" BAR, message) < 0) {
+ perror("printf");
+ exit(1);
+ }
+ return;
+#endif
+
+ char pathbuf[strlen(wmii_path)+256+1];
+ int fd;
+
+ (void)snprintf(pathbuf, sizeof(pathbuf), "%s%s", wmii_path, name);
+ if ((fd = open(pathbuf, O_RDWR)) == -1) {
+ /* Try to re-setup stuff and just continue */
+ setup();
+ return;
+ }
+ if (write(fd, message, strlen(message)) != (ssize_t)strlen(message))
+ exit(EXIT_FAILURE);
+ (void)close(fd);
+}