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* source.c: #if defined => #ifdef.

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* main.c (main):  Only try to attach "corefile" argument if
        it starts with a digit.
This commit is contained in:
John Gilmore 1991-08-14 00:11:20 +00:00
parent 715d2e0649
commit e522fb52bf
3 changed files with 143 additions and 45 deletions
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71
gdb/source.c
View file

@ -3,19 +3,19 @@
This file is part of GDB.
GDB is free software; you can redistribute it and/or modify
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 1, or (at your option)
any later version.
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GDB is distributed in the hope that it will be useful,
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 GDB; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <stdio.h>
#include "defs.h"
@ -34,13 +34,12 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <sys/stat.h>
#include <fcntl.h>
#include "gdbcore.h"
#include "regex.h"
extern char *strstr();
extern void set_next_address ();
void mod_path ();
/* Path of directories to search for source files.
Same format as the PATH environment variable's value. */
@ -97,25 +96,27 @@ select_source_symtab (s)
free (sals.sals);
current_source_symtab = sal.symtab;
current_source_line = max (sal.line - (lines_to_list () - 1), 1);
return;
if (current_source_symtab)
return;
}
/* All right; find the last file in the symtab list (ignoring .h's). */
if (s = symtab_list)
current_source_line = 1;
for (s = symtab_list; s; s = s->next)
{
do
{
char *name = s->filename;
int len = strlen (name);
if (! (len > 2 && !strcmp (&name[len - 2], ".h")))
current_source_symtab = s;
s = s->next;
}
while (s);
current_source_line = 1;
char *name = s->filename;
int len = strlen (name);
if (! (len > 2 && !strcmp (&name[len - 2], ".h")))
current_source_symtab = s;
}
else if (partial_symtab_list)
if (current_source_symtab)
return;
/* Howabout the partial symtab list? */
if (partial_symtab_list)
{
ps = partial_symtab_list;
while (ps)
@ -131,10 +132,11 @@ select_source_symtab (s)
fatal ("Internal: select_source_symtab: readin pst found and no symtabs.");
else
current_source_symtab = PSYMTAB_TO_SYMTAB (cs_pst);
else
current_source_symtab = 0;
current_source_line = 1;
}
if (current_source_symtab)
return;
error ("Can't find a default source file");
}
static void
@ -193,7 +195,7 @@ directory_command (dirname, from_tty)
}
}
else
mod_path (dirname, from_tty, &source_path);
mod_path (dirname, &source_path);
if (from_tty)
show_directories ();
forget_cached_source_info ();
@ -202,9 +204,8 @@ directory_command (dirname, from_tty)
/* Add zero or more directories to the front of an arbitrary path. */
void
mod_path (dirname, from_tty, which_path)
mod_path (dirname, which_path)
char *dirname;
int from_tty;
char **which_path;
{
char *old = *which_path;
@ -541,7 +542,7 @@ find_source_lines (s, desc)
if (exec_bfd && bfd_get_mtime(exec_bfd) < st.st_mtime)
printf ("Source file is more recent than executable.\n");
#if defined (BROKEN_LARGE_ALLOCA)
#ifdef BROKEN_LARGE_ALLOCA
data = (char *) xmalloc (st.st_size);
make_cleanup (free, data);
#else
@ -773,7 +774,7 @@ list_command (arg, from_tty)
char *p;
if (symtab_list == 0 && partial_symtab_list == 0)
error ("No symbol table is loaded. Use the \"symbol-file\" command.");
error ("No symbol table is loaded. Use the \"file\" command.");
/* Pull in a current source symtab if necessary */
if (current_source_symtab == 0 &&
@ -982,6 +983,7 @@ line_info (arg, from_tty)
/* Commands to search the source file for a regexp. */
/* ARGSUSED */
static void
forward_search_command (regex, from_tty)
char *regex;
@ -1024,15 +1026,16 @@ forward_search_command (regex, from_tty)
stream = fdopen (desc, "r");
clearerr (stream);
while (1) {
/* FIXME!!! We walk right off the end of buf if we get a long line!!! */
char buf[4096]; /* Should be reasonable??? */
register char *p = buf;
c = fgetc (stream);
c = getc (stream);
if (c == EOF)
break;
do {
*p++ = c;
} while (c != '\n' && (c = fgetc (stream)) >= 0);
} while (c != '\n' && (c = getc (stream)) >= 0);
/* we now have a source line in buf, null terminate and match */
*p = 0;
@ -1052,6 +1055,7 @@ forward_search_command (regex, from_tty)
fclose (stream);
}
/* ARGSUSED */
static void
reverse_search_command (regex, from_tty)
char *regex;
@ -1095,15 +1099,16 @@ reverse_search_command (regex, from_tty)
clearerr (stream);
while (line > 1)
{
/* FIXME!!! We walk right off the end of buf if we get a long line!!! */
char buf[4096]; /* Should be reasonable??? */
register char *p = buf;
c = fgetc (stream);
c = getc (stream);
if (c == EOF)
break;
do {
*p++ = c;
} while (c != '\n' && (c = fgetc (stream)) >= 0);
} while (c != '\n' && (c = getc (stream)) >= 0);
/* We now have a source line in buf; null terminate and match. */
*p = 0;