1 files changed, 161 insertions, 0 deletions
diff --git a/src/blogc-make/exec-native.c b/src/blogc-make/exec-native.c
new file mode 100644
index 0000000..32874b4
--- /dev/null
+++ b/src/blogc-make/exec-native.c
@@ -0,0 +1,161 @@
+/*
+ * blogc: A blog compiler.
+ * Copyright (C) 2016 Rafael G. Martins <rafael@rafaelmartins.eng.br>
+ *
+ * This program can be distributed under the terms of the BSD License.
+ * See the file LICENSE.
+ */
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <libgen.h>
+#include <errno.h>
+#include "../common/file.h"
+#include "../common/utils.h"
+#include "exec-native.h"
+#include "ctx.h"
+
+
+int
+bm_exec_native_cp(bm_filectx_t *source, bm_filectx_t *dest, bool verbose)
+{
+    if (verbose)
+        printf("Copying '%s' to '%s'\n", source->path, dest->path);
+    else
+        printf("  COPY     %s\n", dest->short_path);
+    fflush(stdout);
+
+    char *fname = bc_strdup(dest->path);
+    for (char *tmp = fname; *tmp != '\0'; tmp++) {
+        if (*tmp != '/' && *tmp != '\\')
+            continue;
+        char bkp = *tmp;
+        *tmp = '\0';
+        if ((strlen(fname) > 0) &&
+            (-1 == mkdir(fname, 0777)) &&
+            (errno != EEXIST))
+        {
+            fprintf(stderr, "blogc-make: error: failed to create output "
+                "directory (%s): %s\n", fname, strerror(errno));
+            free(fname);
+            exit(2);
+        }
+        *tmp = bkp;
+    }
+    free(fname);
+
+    int fd_from = open(source->path, O_RDONLY);
+    if (fd_from < 0) {
+        fprintf(stderr, "blogc-make: error: failed to open source file to copy "
+            " (%s): %s\n", source->path, strerror(errno));
+        return 3;
+    }
+
+    int fd_to = open(dest->path, O_WRONLY | O_CREAT, 0666);
+    if (fd_to < 0) {
+        fprintf(stderr, "blogc-make: error: failed to open destination file to "
+            "copy (%s): %s\n", dest->path, strerror(errno));
+        close(fd_from);
+        return 3;
+    }
+
+    ssize_t nread;
+    char buffer[BC_FILE_CHUNK_SIZE];
+    while (0 < (nread = read(fd_from, buffer, BC_FILE_CHUNK_SIZE))) {
+        char *out_ptr = buffer;
+        do {
+            ssize_t nwritten = write(fd_to, out_ptr, nread);
+            if (nwritten == -1) {
+                fprintf(stderr, "blogc-make: error: failed to write to "
+                    "destination file (%s): %s\n", dest->path, strerror(errno));
+                close(fd_from);
+                close(fd_to);
+                return 3;
+            }
+            nread -= nwritten;
+            out_ptr += nwritten;
+        } while (nread > 0);
+    }
+
+    return 0;
+}
+
+
+int
+bm_exec_native_rm(bm_filectx_t *dest, bool verbose)
+{
+    if (verbose)
+        printf("Removing file '%s'\n", dest->path);
+    else
+        printf("  CLEAN    %s\n", dest->short_path);
+    fflush(stdout);
+
+    if (0 != unlink(dest->path)) {
+        fprintf(stderr, "blogc-make: error: failed to remove file (%s): %s\n",
+            dest->path, strerror(errno));
+        return 3;
+    }
+
+    int rv = 0;
+
+    char *short_path = bc_strdup(dest->short_path);
+    char *path = bc_strdup(dest->path);
+
+    char *dir_short = dirname(short_path);
+    char *dir = dirname(path);
+
+    while (0 != strcmp(dir_short, ".")) {
+
+        DIR *d = opendir(dir);
+        if (d == NULL) {
+            fprintf(stderr, "error: failed to open directory (%s): %s\n",
+                dir, strerror(errno));
+            rv = 3;
+            break;
+        }
+
+        struct dirent *e;
+        size_t count = 0;
+        while (NULL != (e = readdir(d))) {
+            if ((0 == strcmp(e->d_name, ".")) || (0 == strcmp(e->d_name, "..")))
+                continue;
+            count++;
+            break;
+        }
+
+        if (0 != closedir(d)) {
+            fprintf(stderr, "error: failed to close directory (%s): %s\n",
+                dir, strerror(errno));
+            rv = 3;
+            break;
+        }
+
+        if (count == 0) {
+            if (verbose) {
+                printf("Removing directory '%s'\n", dir);
+                fflush(stdout);
+            }
+            if (0 != rmdir(dir)) {
+                fprintf(stderr, "error: failed to remove directory(%s): %s\n",
+                    dir, strerror(errno));
+                rv = 3;
+                break;
+            }
+        }
+
+        dir_short = dirname(dir_short);
+        dir = dirname(dir);
+    }
+
+    free(short_path);
+    free(path);
+
+    return rv;
+}