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Index: ccache.c
===================================================================
--- ccache.c (révision 7695)
+++ ccache.c (copie de travail)
@@ -1029,6 +1029,14 @@
exit(1);
}
+ if (!getenv("CCACHE_READONLY")) {
+ if (create_cachedirtag(cache_dir) != 0) {
+ fprintf(stderr,"ccache: failed to create %s/CACHEDIR.TAG (%s)\n",
+ cache_dir, strerror(errno));
+ exit(1);
+ }
+ }
+
ccache(argc, argv);
return 1;
}
Index: ccache.h
===================================================================
--- ccache.h (révision 7695)
+++ ccache.h (copie de travail)
@@ -81,6 +81,7 @@
int copy_file(const char *src, const char *dest);
int create_dir(const char *dir);
+int create_cachedirtag(const char *dir);
void x_asprintf(char **ptr, const char *format, ...);
char *x_strdup(const char *s);
void *x_realloc(void *ptr, size_t size);
Index: util.c
===================================================================
--- util.c (révision 7695)
+++ util.c (copie de travail)
@@ -138,6 +138,39 @@
return 0;
}
+char const CACHEDIR_TAG[] =
+ "Signature: 8a477f597d28d172789f06886806bc55\n"
+ "# This file is a cache directory tag created by ccache.\n"
+ "# For information about cache directory tags, see:\n"
+ "# http://www.brynosaurus.com/cachedir/\n";
+
+int create_cachedirtag(const char *dir)
+{
+ char *filename;
+ struct stat st;
+ FILE *f;
+ x_asprintf(&filename, "%s/CACHEDIR.TAG", dir);
+ if (stat(filename, &st) == 0) {
+ if (S_ISREG(st.st_mode)) {
+ goto success;
+ }
+ errno = EEXIST;
+ goto error;
+ }
+ f = fopen(filename, "w");
+ if (!f) goto error;
+ if (fwrite(CACHEDIR_TAG, sizeof(CACHEDIR_TAG)-1, 1, f) != 1) {
+ goto error;
+ }
+ if (fclose(f)) goto error;
+success:
+ free(filename);
+ return 0;
+error:
+ free(filename);
+ return 1;
+}
+
/*
this is like asprintf() but dies if the malloc fails
note that we use vsnprintf in a rather poor way to make this more portable
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