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* fork-child.c (fork_inferior): Quote exec_file so it can contain

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funky characters.
This commit is contained in:
Jim Kingdon 1993-06-22 04:27:00 +00:00
parent 304b747aad
commit 3768398df8
2 changed files with 27 additions and 3 deletions
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25
gdb/fork-child.c
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@ -80,8 +80,11 @@ fork_inferior (exec_file, allargs, env, traceme_fun, init_trace_fun)
shell_file = getenv ("SHELL");
if (shell_file == NULL)
shell_file = default_shell_file;
len = 5 + strlen (exec_file) + 1 + strlen (allargs) + 1 + /*slop*/ 10;
/* Multiplying the length of exec_file by 4 is to account for the fact
that it may expand when quoted; it is a worst-case number based on
every character being '. */
len = 5 + 4 * strlen (exec_file) + 1 + strlen (allargs) + 1 + /*slop*/ 12;
/* If desired, concat something onto the front of ALLARGS.
SHELL_COMMAND is the result. */
#ifdef SHELL_COMMAND_CONCAT
@ -92,7 +95,23 @@ fork_inferior (exec_file, allargs, env, traceme_fun, init_trace_fun)
shell_command[0] = '\0';
#endif
strcat (shell_command, "exec ");
strcat (shell_command, exec_file);
/* Now add exec_file, quoting as necessary. Quoting in this style is
said to work with all shells. */
{
char *p;
strcat (shell_command, "'");
for (p = exec_file; *p != '\0'; ++p)
{
if (*p == '\'')
strcat (shell_command, "'\\''");
else
strncat (shell_command, p, 1);
}
strcat (shell_command, "'");
}
strcat (shell_command, " ");
strcat (shell_command, allargs);