original

[gb-231r1-is01/GB_2.3_IS01.git] / system / core / toolbox / mv.c

diff --git a/system/core/toolbox/mv.c b/system/core/toolbox/mv.c
new file mode 100644 (file)
index 0000000..a5bc225
--- /dev/null
+++ b/system/core/toolbox/mv.c
@@ -0,0 +1,59 @@
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <limits.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+
+int mv_main(int argc, char *argv[])
+{
+    const char* dest;
+    struct stat st;
+    int i;
+
+    if (argc < 3) {
+        fprintf(stderr,"USAGE: %s <source...> <destination>\n", argv[0]);
+        return -1;
+    }
+
+    /* check if destination exists */
+    dest = argv[argc - 1];
+    if (stat(dest, &st)) {
+        /* an error, unless the destination was missing */
+        if (errno != ENOENT) {
+            fprintf(stderr, "failed on %s - %s\n", dest, strerror(errno));
+            return -1;
+        }
+        st.st_mode = 0;
+    }
+
+    for (i = 1; i < argc - 1; i++) {
+        const char *source = argv[i];
+        char fullDest[PATH_MAX + 1 + PATH_MAX + 1];
+        /* assume we build "dest/source", and let rename() fail on pathsize */
+        if (strlen(dest) + 1 + strlen(source) + 1 > sizeof(fullDest)) {
+            fprintf(stderr, "path too long\n");
+            return -1;
+        }
+        strcpy(fullDest, dest);
+
+        /* if destination is a directory, concat the source file name */
+        if (S_ISDIR(st.st_mode)) {
+            const char *fileName = strrchr(source, '/');
+            if (fullDest[strlen(fullDest)-1] != '/') {
+                strcat(fullDest, "/");
+            }
+            strcat(fullDest, fileName ? fileName + 1 : source);
+        }
+
+        /* attempt to move it */
+        if (rename(source, fullDest)) {
+            fprintf(stderr, "failed on '%s' - %s\n", source, strerror(errno));
+            return -1;
+        }
+    }
+
+    return 0;
+}
+