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[ppastats.git] / src / io.c

diff --git a/src/io.c b/src/io.c
index 2cce202..908e8fe 100644 (file)
--- a/src/io.c
+++ b/src/io.c
@@ -1,11 +1,11 @@
 /*
- * Copyright (C) 2011 jeanfi@gmail.com
+ * Copyright (C) 2011-2014 jeanfi@gmail.com
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation; either version 2 of the
  * License, or (at your option) any later version.
-
+ *
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
@@ -19,9 +19,19 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
 
 #include "io.h"
 
+/* Directory separator is \ when cross-compiling for MS Windows
+   systems */
+#if defined(__MINGW32__)
+#define DIRSEP ('\\')
+#else
+#define DIRSEP '/'
+#endif
+
 #define FCOPY_BUF_SZ 4096
 
 static int file_copy(FILE *src, FILE *dst)
@@ -75,3 +85,107 @@ int fcopy(const char *src, const char *dst)
 
        return ret;
 }
+
+char *path_append(const char *odir, const char *name)
+{
+       char *dir;
+
+       dir = malloc(strlen(odir)+1+strlen(name)+1);
+
+       sprintf(dir, "%s/%s", odir, name);
+
+       return dir;
+}
+
+void mkdirs(const char *dirs, mode_t mode)
+{
+       char *c = (char *)dirs;
+       char *dir = malloc(strlen(dirs) + 1);
+
+       int i = 0;
+       while (*c) {
+               if ((*c == DIRSEP || *c == '\0') && c != dirs) {
+                       strncpy(dir, dirs, i);
+                       dir[i] = '\0';
+                       mkdir(dir, mode);
+               }
+
+               c++;
+               i++;
+       }
+
+       mkdir(dirs, mode);
+
+       free(dir);
+}
+
+static int is_file(const char *path)
+{
+       struct stat st;
+
+       int ret = lstat(path, &st);
+
+       if (ret == 0 && S_ISREG(st.st_mode))
+               return 1;
+
+       return 0;
+}
+
+static long file_get_size(const char *path)
+{
+       FILE *fp;
+
+       if (!is_file(path))
+               return -1;
+
+       fp = fopen(path, "rb");
+       if (fp) {
+               long size;
+
+               if (fseek(fp, 0, SEEK_END) == -1)
+                       return -1;
+
+               size = ftell(fp);
+
+               fclose(fp);
+
+               return size;
+       }
+
+       return -1;
+}
+
+char *file_get_content(const char *fpath)
+{
+       long size;
+
+       char *page;
+
+       size = file_get_size(fpath);
+       if (size == -1) {
+               page = NULL;
+
+       } else if (size == 0) {
+               page = malloc(1);
+               *page = '\0';
+
+       } else {
+               FILE *fp = fopen(fpath, "rb");
+               if (fp) {
+                       page = malloc(size + 1);
+                       if (!page || size != fread(page, 1, size, fp)) {
+                               free(page);
+                               return NULL;
+                       }
+
+                       *(page + size) = '\0';
+
+                       fclose(fp);
+               } else {
+                       page = NULL;
+               }
+       }
+
+       return page;
+}
+