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Remove some fixed length strings.

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Do limited filename globbing.
This commit is contained in:
dsl 2003-07-18 09:34:42 +00:00
parent f46e3353de
commit 6684cadd5e
1 changed files with 76 additions and 12 deletions
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88
distrib/utils/sysinst/run.c
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@ -1,4 +1,4 @@
/* $NetBSD: run.c,v 1.44 2003/07/17 19:44:53 dsl Exp $ */
/* $NetBSD: run.c,v 1.45 2003/07/18 09:34:42 dsl Exp $ */
/*
* Copyright 1997 Piermont Information Systems Inc.
@ -48,6 +48,7 @@
#include <fcntl.h>
#include <curses.h>
#include <termios.h>
#include <dirent.h>
#include <util.h>
#include <err.h>
#include <sys/ioctl.h>
@ -242,6 +243,71 @@ do_system(const char *execstr)
}
static char **
make_argv(const char *cmd)
{
char **argv = 0;
int argc = 0;
const char *cp;
char *dp, *fn;
DIR *dir;
struct dirent *dirent;
int l;
for (; *cmd != 0; cmd = cp + strspn(cp, " "), argc++) {
cp = strchr(cmd, ' ');
if (cp == NULL)
cp = strchr(cmd, 0);
argv = realloc(argv, (argc + 2) * sizeof *argv);
if (argv == NULL)
err(1, "realloc(argv) for %s", cmd);
asprintf(argv + argc, "%.*s", (int)(cp - cmd), cmd);
if (cp[-1] != '*')
continue;
/* do limited filename globbing */
dp = argv[argc];
fn = strrchr(dp, '/');
if (fn != NULL)
*fn = 0;
dir = opendir(dp);
if (fn != NULL)
*fn++ = '/';
else
fn = dp;
if (dir == NULL)
continue;
l = strlen(fn) - 1;
while ((dirent = readdir(dir))) {
if (dirent->d_name[0] == '.')
continue;
if (strncmp(dirent->d_name, fn, l) != 0)
continue;
if (dp != argv[argc])
argc++;
argv = realloc(argv, (argc + 2) * sizeof *argv);
if (argv == NULL)
err(1, "realloc(argv) for %s", cmd);
asprintf(argv + argc, "%.*s%s", (int)(fn - dp), dp,
dirent->d_name);
}
if (dp != argv[argc])
free(dp);
closedir(dir);
}
argv[argc] = NULL;
return argv;
}
static void
free_argv(char **argv)
{
char **n, *a;
for (n = argv; (a = *n++);)
free(a);
free(argv);
}
/*
* launch a program inside a subwindow, and report it's return status when done
*/
@ -460,20 +526,16 @@ run_prog(int flags, msg errmsg, const char *cmd, ...)
struct winsize win;
int ret;
WINDOW *actionwin, *statuswin, *boxwin;
char buf2[MAXBUF], scmd[MAXBUF];
char *p, *args[256], **aps;
char *scmd;
char **args;
const char *errstr;
va_start(ap,cmd);
vsnprintf(buf2, sizeof(buf2), cmd, ap);
strcpy(scmd, buf2);
p = buf2;
va_start(ap, cmd);
vasprintf(&scmd, cmd, ap);
if (scmd == NULL)
err(1, "vasprintf(&scmd, \"%s\", ...)", cmd);
/* 51 strings and it's blown! */
for (aps = args; aps < &args[sizeof(args) / sizeof(args[0])] &&
(*aps = strsep(&p, " ")) != NULL;)
if (**aps != '\0')
++aps;
args = make_argv(scmd);
/* Make curses save tty settings */
def_prog_mode();
@ -591,5 +653,7 @@ done:
msg_display(errmsg, scmd);
process_menu(MENU_ok, NULL);
}
free(scmd);
free_argv(args);
return (ret);
}