file traversal demo && minor changes
Traversal through a filesystem hierarchy made easy
committer: Markus Bröker <mbroeker@largo.homelinux.org>
--- a/Makefile
+++ b/Makefile
@@ -55,6 +55,7 @@
TARGET += fork
TARGET += duff
TARGET += unicode
+TARGET += fts
.SUFFIXES: .c .cc .asm
@@ -288,6 +289,12 @@
@echo Linking $< ...
@$(CC) -std=c99 -o $@ $<
+fts: fts.c
+ @echo Compiling \(NON-ANSI\) $<...
+ @$(CC) -c -Wall -O2 $<
+ @echo Linking $< ...
+ @$(CC) -o $@ $<
+
.PHONY: beauty clean uninstall
clean:
new file mode 100644
--- /dev/null
+++ b/fts.c
@@ -0,0 +1,59 @@
+/**
+ * fts.c file hierarchy browser
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <fts.h>
+
+int compare (const FTSENT ** a, const FTSENT ** b)
+{
+ return 0;
+}
+
+int main (int argc, char **argv)
+{
+ FTS *fts;
+ FTSENT *current = NULL;
+
+ char **paths;
+
+ int i;
+
+ if (argc < 2) {
+ printf ("Usage: %s [dir]...\n", argv[0]);
+ return EXIT_FAILURE;
+ }
+
+ if ((paths = calloc (argc + 1, sizeof (char *))) == NULL) {
+ perror ("CALLOC");
+ return EXIT_FAILURE;
+ }
+
+ for (i = 1; i < argc; i++) {
+ paths[i - 1] = argv[i];
+ }
+
+ paths[i] = NULL;
+
+ if ((fts = fts_open (paths, FTS_NOSTAT, &compare)) == NULL) {
+ perror ("fts_open");
+ return EXIT_FAILURE;
+ }
+
+ while ((current = fts_read (fts)) != NULL) {
+ printf ("%s/%s\n", current->fts_path, current->fts_name);
+ }
+
+ if (fts_close (fts) < 0)
+ perror ("fts_close");
+
+ if (paths != NULL)
+ free (paths);
+
+ return EXIT_SUCCESS;
+}
--- a/prog_limit.c
+++ b/prog_limit.c
@@ -37,7 +37,7 @@
switch (pid) {
case 0:
if (set_limit (atoi (argv[1])) == 0) {
- i = execvp (argv[2], args);
+ i = execvp (args[0], args);
} else {
perror ("Limit Error");
return EXIT_FAILURE;