-
-/*
- *
- * FILENAME COMPLETION FOR RLFE
- *
- */
-
-#ifndef PATH_MAX
-# define PATH_MAX 1024
-#endif
-
-#define DIRSEP '/'
-#define ISDIRSEP(x) ((x) == '/')
-#define PATHSEP(x) (ISDIRSEP(x) || (x) == 0)
-
-#define DOT_OR_DOTDOT(x) \
- ((x)[0] == '.' && (PATHSEP((x)[1]) || \
- ((x)[1] == '.' && PATHSEP((x)[2]))))
-
-#define FREE(x) if (x) free(x)
-
-#define STRDUP(s, x) do { \
- s = strdup (x);\
- if (s == 0) \
- return ((char *)NULL); \
- } while (0)
-
-static int
-get_inferior_cwd (path, psize)
- char *path;
- size_t psize;
-{
- int n;
- static char procfsbuf[PATH_MAX] = { '\0' };
-
- if (procfsbuf[0] == '\0')
- sprintf (procfsbuf, "/proc/%d/cwd", (int)child);
- n = readlink (procfsbuf, path, psize);
- if (n < 0)
- return n;
- if (n > psize)
- return -1;
- path[n] = '\0';
- return n;
-}
-
-static int
-rlfe_directory_rewrite_hook (dirnamep)
- char **dirnamep;
-{
- char *ldirname, cwd[PATH_MAX], *retdir, *ld;
- int n, ldlen;
-
- ldirname = *dirnamep;
-
- if (*ldirname == '/')
- return 0;
-
- n = get_inferior_cwd (cwd, sizeof(cwd) - 1);
- if (n < 0)
- return 0;
- if (n == 0) /* current directory */
- {
- cwd[0] = '.';
- cwd[1] = '\0';
- n = 1;
- }
-
- /* Minimally canonicalize ldirname by removing leading `./' */
- for (ld = ldirname; *ld; )
- {
- if (ISDIRSEP (ld[0]))
- ld++;
- else if (ld[0] == '.' && PATHSEP(ld[1]))
- ld++;
- else
- break;
- }
- ldlen = (ld && *ld) ? strlen (ld) : 0;
-
- retdir = (char *)malloc (n + ldlen + 3);
- if (retdir == 0)
- return 0;
- if (ldlen)
- sprintf (retdir, "%s/%s", cwd, ld);
- else
- strcpy (retdir, cwd);
- free (ldirname);
-
- *dirnamep = retdir;
-
- DPRINT1("rl_directory_rewrite_hook returns %s\n", retdir);
- return 1;
-}
-
-/* Translate *DIRNAMEP to be relative to the inferior's CWD. Leave a trailing
- slash on the result. */
-static int
-rlfe_directory_completion_hook (dirnamep)
- char **dirnamep;
-{
- char *ldirname, *retdir;
- int n, ldlen;
-
- ldirname = *dirnamep;
-
- if (*ldirname == '/')
- return 0;
-
- n = rlfe_directory_rewrite_hook (dirnamep);
- if (n == 0)
- return 0;
-
- ldirname = *dirnamep;
- ldlen = (ldirname && *ldirname) ? strlen (ldirname) : 0;
-
- if (ldlen == 0 || ldirname[ldlen - 1] != '/')
- {
- retdir = (char *)malloc (ldlen + 3);
- if (retdir == 0)
- return 0;
- if (ldlen)
- strcpy (retdir, ldirname);
- else
- retdir[ldlen++] = '.';
- retdir[ldlen] = '/';
- retdir[ldlen+1] = '\0';
- free (ldirname);
-
- *dirnamep = retdir;
- }
-
- DPRINT1("rl_directory_completion_hook returns %s\n", retdir);
- return 1;
-}
-
-static char *
-rlfe_filename_completion_function (text, state)
- const char *text;
- int state;
-{
- static DIR *directory;
- static char *filename = (char *)NULL;
- static char *dirname = (char *)NULL, *ud = (char *)NULL;
- static int flen, udlen;
- char *temp;
- struct dirent *dentry;
-
- if (state == 0)
- {
- if (directory)
- {
- closedir (directory);
- directory = 0;
- }
- FREE (dirname);
- FREE (filename);
- FREE (ud);
-
- if (text && *text)
- STRDUP (filename, text);
- else
- {
- filename = malloc(1);
- if (filename == 0)
- return ((char *)NULL);
- filename[0] = '\0';
- }
- dirname = (text && *text) ? strdup (text) : strdup (".");
- if (dirname == 0)
- return ((char *)NULL);
-
- temp = strrchr (dirname, '/');
- if (temp)
- {
- strcpy (filename, ++temp);
- *temp = '\0';
- }
- else
- {
- dirname[0] = '.';
- dirname[1] = '\0';
- }
-
- STRDUP (ud, dirname);
- udlen = strlen (ud);
-
- rlfe_directory_completion_hook (&dirname);
-
- directory = opendir (dirname);
- flen = strlen (filename);
-
- rl_filename_completion_desired = 1;
- }
-
- dentry = 0;
- while (directory && (dentry = readdir (directory)))
- {
- if (flen == 0)
- {
- if (DOT_OR_DOTDOT(dentry->d_name) == 0)
- break;
- }
- else
- {
- if ((dentry->d_name[0] == filename[0]) &&
- (strlen (dentry->d_name) >= flen) &&
- (strncmp (filename, dentry->d_name, flen) == 0))
- break;
- }
- }
-
- if (dentry == 0)
- {
- if (directory)
- {
- closedir (directory);
- directory = 0;
- }
- FREE (dirname);
- FREE (filename);
- FREE (ud);
- dirname = filename = ud = 0;
- return ((char *)NULL);
- }
-
- if (ud == 0 || (ud[0] == '.' && ud[1] == '\0'))
- temp = strdup (dentry->d_name);
- else
- {
- temp = malloc (1 + udlen + strlen (dentry->d_name));
- strcpy (temp, ud);
- strcpy (temp + udlen, dentry->d_name);
- }
- return (temp);
-}
projects / deliverable / binutils-gdb.git / commitdiff
