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authorNick Clifton <nickc@redhat.com>2000-07-24 20:59:04 +0000
committerNick Clifton <nickc@redhat.com>2000-07-24 20:59:04 +0000
commitef368dac31c8b58698e1f32b9d1f2dff3d099f7b (patch)
treefac7c1c056b39b99a10d1a512f69329e18da7153 /gprof/source.c
parent53116e27b6d56500499d94c66002ad7258e4b1ef (diff)
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Add GPL copyright notices to uncopyrighted files.
Add copy of GPL.
Diffstat (limited to 'gprof/source.c')
-rw-r--r--gprof/source.c153
1 files changed, 76 insertions, 77 deletions
diff --git a/gprof/source.c b/gprof/source.c
index dd671d5..a083a07 100644
--- a/gprof/source.c
+++ b/gprof/source.c
@@ -1,21 +1,36 @@
-/*
- * Keeps track of source files.
- */
+/* source.c - Keep track of source files.
+
+ Copyright (C) 2000 Free Software Foundation, Inc.
+
+ This file is part of GNU Binutils.
+
+ 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
+
#include "gprof.h"
#include "libiberty.h"
#include "filenames.h"
#include "search_list.h"
#include "source.h"
-#define EXT_ANNO "-ann" /* postfix of annotated files */
+#define EXT_ANNO "-ann" /* Postfix of annotated files. */
-/*
- * Default option values:
- */
+/* Default option values. */
bool create_annotation_files = FALSE;
-Search_List src_search_list =
-{0, 0};
+Search_List src_search_list = {0, 0};
Source_File *first_src_file = 0;
@@ -27,20 +42,21 @@ DEFUN (source_file_lookup_path, (path), const char *path)
for (sf = first_src_file; sf; sf = sf->next)
{
if (FILENAME_CMP (path, sf->name) == 0)
- {
- break;
- }
+ break;
}
+
if (!sf)
{
- /* create a new source file descriptor: */
-
+ /* Create a new source file descriptor. */
sf = (Source_File *) xmalloc (sizeof (*sf));
+
memset (sf, 0, sizeof (*sf));
+
sf->name = xstrdup (path);
sf->next = first_src_file;
first_src_file = sf;
}
+
return sf;
}
@@ -50,28 +66,24 @@ DEFUN (source_file_lookup_name, (filename), const char *filename)
{
const char *fname;
Source_File *sf;
- /*
- * The user cannot know exactly how a filename will be stored in
- * the debugging info (e.g., ../include/foo.h
- * vs. /usr/include/foo.h). So we simply compare the filename
- * component of a path only:
- */
+
+ /* The user cannot know exactly how a filename will be stored in
+ the debugging info (e.g., ../include/foo.h
+ vs. /usr/include/foo.h). So we simply compare the filename
+ component of a path only. */
for (sf = first_src_file; sf; sf = sf->next)
{
fname = strrchr (sf->name, '/');
+
if (fname)
- {
- ++fname;
- }
+ ++fname;
else
- {
- fname = sf->name;
- }
+ fname = sf->name;
+
if (FILENAME_CMP (filename, fname) == 0)
- {
- break;
- }
+ break;
}
+
return sf;
}
@@ -91,25 +103,23 @@ DEFUN (annotate_source, (sf, max_width, annote, arg),
FILE *ifp, *ofp;
Search_List_Elem *sle = src_search_list.head;
- /*
- * Open input file. If open fails, walk along search-list until
- * open succeeds or reaching end of list:
- */
+ /* Open input file. If open fails, walk along search-list until
+ open succeeds or reaching end of list. */
strcpy (fname, sf->name);
+
if (IS_ABSOLUTE_PATH (sf->name))
- {
- sle = 0; /* don't use search list for absolute paths */
- }
+ sle = 0; /* Don't use search list for absolute paths. */
+
name_only = 0;
while (TRUE)
{
DBG (SRCDEBUG, printf ("[annotate_source]: looking for %s, trying %s\n",
sf->name, fname));
+
ifp = fopen (fname, FOPEN_RB);
if (ifp)
- {
- break;
- }
+ break;
+
if (!sle && !name_only)
{
name_only = strrchr (sf->name, '/');
@@ -124,11 +134,12 @@ DEFUN (annotate_source, (sf, max_width, annote, arg),
#endif
if (name_only)
{
- /* try search-list again, but this time with name only: */
+ /* Try search-list again, but this time with name only. */
++name_only;
sle = src_search_list.head;
}
}
+
if (sle)
{
strcpy (fname, sle->path);
@@ -138,38 +149,34 @@ DEFUN (annotate_source, (sf, max_width, annote, arg),
strcat (fname, ".");
#endif
strcat (fname, "/");
+
if (name_only)
- {
- strcat (fname, name_only);
- }
+ strcat (fname, name_only);
else
- {
- strcat (fname, sf->name);
- }
+ strcat (fname, sf->name);
+
sle = sle->next;
}
else
{
if (errno == ENOENT)
- {
- fprintf (stderr, _("%s: could not locate `%s'\n"),
- whoami, sf->name);
- }
+ fprintf (stderr, _("%s: could not locate `%s'\n"),
+ whoami, sf->name);
else
- {
- perror (sf->name);
- }
+ perror (sf->name);
+
return 0;
}
}
ofp = stdout;
+
if (create_annotation_files)
{
- /* try to create annotated source file: */
+ /* Try to create annotated source file. */
const char *filename;
- /* create annotation files in the current working directory: */
+ /* Create annotation files in the current working directory. */
filename = strrchr (sf->name, '/');
#ifdef HAVE_DOS_BASED_FILE_SYSTEM
{
@@ -181,13 +188,9 @@ DEFUN (annotate_source, (sf, max_width, annote, arg),
}
#endif
if (filename)
- {
- ++filename;
- }
+ ++filename;
else
- {
- filename = sf->name;
- }
+ filename = sf->name;
strcpy (fname, filename);
strcat (fname, EXT_ANNO);
@@ -210,6 +213,7 @@ DEFUN (annotate_source, (sf, max_width, annote, arg),
}
#endif
ofp = fopen (fname, "w");
+
if (!ofp)
{
perror (fname);
@@ -217,34 +221,27 @@ DEFUN (annotate_source, (sf, max_width, annote, arg),
}
}
- /*
- * Print file names if output goes to stdout and there are
- * more than one source file:
- */
+ /* Print file names if output goes to stdout
+ and there are more than one source file. */
if (ofp == stdout)
{
if (first_file)
- {
- first_file = FALSE;
- }
+ first_file = FALSE;
else
- {
- fputc ('\n', ofp);
- }
+ fputc ('\n', ofp);
+
if (first_output)
- {
- first_output = FALSE;
- }
+ first_output = FALSE;
else
- {
- fprintf (ofp, "\f\n");
- }
+ fprintf (ofp, "\f\n");
+
fprintf (ofp, _("*** File %s:\n"), sf->name);
}
annotation = xmalloc (max_width + 1);
line_num = 1;
new_line = TRUE;
+
while ((nread = fread (buf, 1, sizeof (buf), ifp)) > 0)
{
for (i = 0; i < nread; ++i)
@@ -256,10 +253,12 @@ DEFUN (annotate_source, (sf, max_width, annote, arg),
++line_num;
new_line = FALSE;
}
+
new_line = (buf[i] == '\n');
fputc (buf[i], ofp);
}
}
+
free (annotation);
return ofp;
}