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* fork-child.c (escape_bang_in_quoted_argument): New function.

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(fork_inferior): Escape '!' characters in quoted arguments
        only when needed.
This commit is contained in:
Joel Brobecker 2003-05-08 18:08:57 +00:00
parent 5d62c8b152
commit 6037b8306e
2 changed files with 31 additions and 1 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2002-05-08 J. Brobecker <brobecker@gnat.com>
* fork-child.c (escape_bang_in_quoted_argument): New function.
(fork_inferior): Escape '!' characters in quoted arguments
only when needed.
2003-05-08 J. Brobecker <brobecker@gnat.com>
* dwarf2read.c (set_cu_language): Set the language to "minimal" if

26
gdb/fork-child.c
View file

@ -88,6 +88,29 @@ breakup_args (char *scratch, char **argv)
}
/* When executing a command under the given shell, return non-zero
if the '!' character should be escaped when embedded in a quoted
command-line argument. */
static int
escape_bang_in_quoted_argument (const char *shell_file)
{
const int shell_file_len = strlen (shell_file);
/* Bang should be escaped only in C Shells. For now, simply check
that the shell name ends with 'csh', which covers at least csh
and tcsh. This should be good enough for now. */
if (shell_file_len < 3)
return 0;
if (shell_file[shell_file_len - 3] == 'c'
&& shell_file[shell_file_len - 2] == 's'
&& shell_file[shell_file_len - 1] == 'h')
return 1;
return 0;
}
/* Start an inferior Unix child process and sets inferior_ptid to its pid.
EXEC_FILE is the file to run.
@ -171,6 +194,7 @@ fork_inferior (char *exec_file_arg, char *allargs, char **env,
char *p;
int need_to_quote;
const int escape_bang = escape_bang_in_quoted_argument (shell_file);
strcat (shell_command, "exec ");
@ -215,7 +239,7 @@ fork_inferior (char *exec_file_arg, char *allargs, char **env,
{
if (*p == '\'')
strcat (shell_command, "'\\''");
else if (*p == '!')
else if (*p == '!' && escape_bang)
strcat (shell_command, "\\!");
else
strncat (shell_command, p, 1);