Merge from no_bogosity

From-SVN: r29918

1 files changed, 56 insertions, 0 deletions

diff --git a/gcc/fixinc/fixlib.c b/gcc/fixinc/fixlib.c
new file mode 100644
index 0000000..25a672e
--- /dev/null
+++ b/gcc/fixinc/fixlib.c
@@ -0,0 +1,56 @@
+
+#include "fixlib.h"
+
+/* * * * * * * * * * * * *
+ 
+   load_file_data loads all the contents of a file into malloc-ed memory.
+   Its argument is the file pointer of the file to read in; the returned
+   result is the NUL terminated contents of the file.  The file
+   is presumed to be an ASCII text file containing no NULs.  */
+
+char *
+load_file_data (fp)
+     FILE* fp;
+{
+  char *pz_data = (char*)NULL;
+  int    space_left = -1;  /* allow for terminating NUL */
+  size_t space_used = 0;
+
+  do
+    {
+      size_t  size_read;
+
+      if (space_left < 1024)
+        {
+          space_left += 4096;
+          pz_data = realloc ((void*)pz_data, space_left + space_used + 1 );
+        }
+      size_read = fread (pz_data + space_used, 1, space_left, fp);
+
+      if (size_read == 0)
+        {
+          if (feof (fp))
+            break;
+
+          if (ferror (fp))
+            {
+              int err = errno;
+              if (err != EISDIR)
+                fprintf (stderr, "error %d (%s) reading input\n", err,
+                         strerror (err));
+              free ((void *) pz_data);
+              fclose (fp);
+              return (char *) NULL;
+            }
+        }
+
+      space_left -= size_read;
+      space_used += size_read;
+    } while (! feof (fp));
+
+  pz_data = realloc ((void*)pz_data, space_used+1 );
+  pz_data[ space_used ] = NUL;
+  fclose (fp);
+
+  return pz_data;
+}