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* go32-nat.c (go32_create_inferior): Support command lines longer

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than 126 characters.
This commit is contained in:
Eli Zaretskii 2001-07-15 10:28:13 +00:00
parent 96fe9e8c46
commit 150985e3a1
2 changed files with 24 additions and 3 deletions
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5
gdb/ChangeLog
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@ -1,3 +1,8 @@
2001-07-15 Eli Zaretskii <eliz@is.elta.co.il>
* go32-nat.c (go32_create_inferior): Support command lines longer
than 126 characters.
2001-07-14 Stephane Carrez <Stephane.Carrez@worldnet.fr>
* NEWS: New target 68HC11/68HC12.

22
gdb/go32-nat.c
View File

@ -588,6 +588,7 @@ go32_create_inferior (char *exec_file, char *args, char **env)
jmp_buf start_state;
char *cmdline;
char **env_save = environ;
size_t cmdlen;
/* If no exec file handed to us, get it from the exec-file command -- with
a good, common error message if none is specified. */
@ -622,10 +623,24 @@ go32_create_inferior (char *exec_file, char *args, char **env)
else
child_cmd.command = xstrdup (args);
cmdline = (char *) alloca (strlen (args) + 4);
cmdline[0] = strlen (args);
cmdlen = strlen (args);
/* v2loadimage passes command lines via DOS memory, so it cannot
possibly handle commands longer than 1MB. */
if (cmdlen > 1024*1024)
error ("Command line too long.");
cmdline = xmalloc (cmdlen + 4);
strcpy (cmdline + 1, args);
cmdline[strlen (args) + 1] = 13;
/* If the command-line length fits into DOS 126-char limits, use the
DOS command tail format; otherwise, tell v2loadimage to pass it
through a buffer in conventional memory. */
if (cmdlen < 127)
{
cmdline[0] = strlen (args);
cmdline[cmdlen + 1] = 13;
}
else
cmdline[0] = 0xff; /* signal v2loadimage it's a long command */
environ = env;
@ -636,6 +651,7 @@ go32_create_inferior (char *exec_file, char *args, char **env)
exit (1);
}
environ = env_save;
free (cmdline);
edi_init (start_state);
#if __DJGPP_MINOR__ < 3