Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.

modules/rosapps/applications/cmdutils/cat/cat.c

@@ -0,0 +1,131 @@
+/*
+ * COPYRIGHT:       See COPYING in the top level directory
+ * PROJECT:         ReactOS conCATenation tool
+ * FILE:            cmdutils/cat/cat.c
+ * PURPOSE:         Concatenates STDIN or an arbitrary number of files to STDOUT
+ * PROGRAMMERS:     David Welch
+ *                  Semyon Novikov (tappak)
+ *                  Hermès Bélusca - Maïto
+ */
+
+#include <stdio.h>
+
+#ifdef _WIN32
+#include <string.h>         // Required for _stricmp()
+#include <fcntl.h>          // Required for _setmode flags
+#include <io.h>             // Required for _setmode()
+#else
+#include <strings.h>        // Required for strcasecmp()
+#define O_TEXT   0x4000
+#define O_BINARY 0x8000
+#define _setmode(fd, mode)  // This function is useless in *nix world
+#define _stricmp strcasecmp
+#endif
+
+#define ARRAYSIZE(a) (sizeof(a) / sizeof((a)[0]))
+
+void help(void)
+{
+    fprintf(stdout,
+            "\n"
+            "ReactOS File Concatenation Tool\n"
+            "\n"
+            "Usage: cat [options] [file [...]]\n"
+            "options - Currently ignored\n");
+}
+
+int main(int argc, char* argv[])
+{
+    int i;
+    FILE* in;
+    unsigned char buff[512];
+    size_t cnt, readcnt;
+
+    if (argc >= 2)
+    {
+        if (_stricmp(argv[1], "-h"    ) == 0 ||
+            _stricmp(argv[1], "--help") == 0 ||
+            _stricmp(argv[1], "/?"    ) == 0 ||
+            _stricmp(argv[1], "/help" ) == 0)
+        {
+            help();
+            return 0;
+        }
+    }
+
+    /* Set STDOUT to binary */
+    _setmode(_fileno(stdout), O_BINARY);
+
+    /* Special case where we run 'cat' without any argument: we use STDIN */
+    if (argc <= 1)
+    {
+        unsigned int ch;
+
+        /* Set STDIN to binary */
+        _setmode(_fileno(stdin), O_BINARY);
+
+#if 0 // Version using feof()
+        ch = fgetc(stdin);
+        while (!feof(stdin))
+        {
+            putchar(ch);
+            ch = fgetc(stdin);
+        }
+#else
+        while ((ch = fgetc(stdin)) != EOF)
+        {
+            putchar(ch);
+        }
+#endif
+
+        return 0;
+    }
+
+    /* We have files: read them and output them to STDOUT */
+    for (i = 1; i < argc; i++)
+    {
+        /* Open the file in binary read mode */
+        in = fopen(argv[i], "rb");
+        if (in == NULL)
+        {
+            fprintf(stderr, "Failed to open file '%s'\n", argv[i]);
+            return -1;
+        }
+
+        /* Dump the file to STDOUT */
+        cnt = 0; readcnt = 0;
+        while (readcnt == cnt)
+        {
+            /* Read data from the input file */
+            cnt = ARRAYSIZE(buff);
+            readcnt = fread(&buff, sizeof(buff[0]), cnt, in);
+            if (readcnt != cnt)
+            {
+                /*
+                 * The real number of read bytes differs from the number of bytes
+                 * we wanted to read, so either a reading error occurred, or EOF
+                 * was reached while reading. Bail out if it is a reading error.
+                 */
+                if (!feof(in))
+                {
+                    fprintf(stderr, "Error while reading file '%s'\n", argv[i]);
+                    fclose(in);
+                    return -1;
+                }
+            }
+
+            /* Nothing to be read anymore, so we can gracefully break */
+            if (readcnt == 0) break;
+
+            /* Write data to STDOUT */
+            fwrite(&buff, sizeof(buff[0]), readcnt, stdout);
+        }
+
+        /* Finally close the file */
+        fclose(in);
+    }
+
+    return 0;
+}
+
+/* EOF */