diff options
Diffstat (limited to 'gdb/source.c')
-rw-r--r-- | gdb/source.c | 83 |
1 files changed, 25 insertions, 58 deletions
diff --git a/gdb/source.c b/gdb/source.c index 8926e547..769d9ef 100644 --- a/gdb/source.c +++ b/gdb/source.c @@ -484,16 +484,12 @@ add_path (char *dirname, char **which_path, int parse_separators) if (parse_separators) { - char **argv, **argvp; - /* This will properly parse the space and tab separators and any quotes that may exist. */ - argv = gdb_buildargv (dirname); - - for (argvp = argv; *argvp; argvp++) - dirnames_to_char_ptr_vec_append (&dir_vec, *argvp); + gdb_argv argv (dirname); - freeargv (argv); + for (char *arg : argv) + dirnames_to_char_ptr_vec_append (&dir_vec, arg); } else VEC_safe_push (char_ptr, dir_vec, xstrdup (dirname)); @@ -859,20 +855,18 @@ openp (const char *path, int opts, const char *string, { /* See whether we need to expand the tilde. */ int newlen; - char *tilde_expanded; - tilde_expanded = tilde_expand (dir); + gdb::unique_xmalloc_ptr<char> tilde_expanded (tilde_expand (dir)); /* First, realloc the filename buffer if too short. */ - len = strlen (tilde_expanded); + len = strlen (tilde_expanded.get ()); newlen = len + strlen (string) + 2; if (newlen > alloclen) { alloclen = newlen; filename = (char *) alloca (alloclen); } - strcpy (filename, tilde_expanded); - xfree (tilde_expanded); + strcpy (filename, tilde_expanded.get ()); } else { @@ -1353,9 +1347,7 @@ print_source_lines_base (struct symtab *s, int line, int stopline, int c; int desc; int noprint = 0; - FILE *stream; int nlines = stopline - line; - struct cleanup *cleanup; struct ui_out *uiout = current_uiout; /* Regardless of whether we can open the file, set current_source_symtab. */ @@ -1448,15 +1440,14 @@ print_source_lines_base (struct symtab *s, int line, int stopline, perror_with_name (symtab_to_filename_for_display (s)); } - stream = fdopen (desc, FDOPEN_MODE); - clearerr (stream); - cleanup = make_cleanup_fclose (stream); + gdb_file_up stream (fdopen (desc, FDOPEN_MODE)); + clearerr (stream.get ()); while (nlines-- > 0) { char buf[20]; - c = fgetc (stream); + c = fgetc (stream.get ()); if (c == EOF) break; last_line_listed = current_source_line; @@ -1479,12 +1470,12 @@ print_source_lines_base (struct symtab *s, int line, int stopline, else if (c == '\r') { /* Skip a \r character, but only before a \n. */ - int c1 = fgetc (stream); + int c1 = fgetc (stream.get ()); if (c1 != '\n') printf_filtered ("^%c", c + 0100); if (c1 != EOF) - ungetc (c1, stream); + ungetc (c1, stream.get ()); } else { @@ -1492,10 +1483,8 @@ print_source_lines_base (struct symtab *s, int line, int stopline, uiout->text (buf); } } - while (c != '\n' && (c = fgetc (stream)) >= 0); + while (c != '\n' && (c = fgetc (stream.get ())) >= 0); } - - do_cleanups (cleanup); } /* Show source lines from the file of symtab S, starting with line @@ -1630,7 +1619,6 @@ forward_search_command (char *regex, int from_tty) { int c; int desc; - FILE *stream; int line; char *msg; struct cleanup *cleanups; @@ -1659,9 +1647,8 @@ forward_search_command (char *regex, int from_tty) perror_with_name (symtab_to_filename_for_display (current_source_symtab)); discard_cleanups (cleanups); - stream = fdopen (desc, FDOPEN_MODE); - clearerr (stream); - cleanups = make_cleanup_fclose (stream); + gdb_file_up stream (fdopen (desc, FDOPEN_MODE)); + clearerr (stream.get ()); while (1) { static char *buf = NULL; @@ -1672,7 +1659,7 @@ forward_search_command (char *regex, int from_tty) buf = (char *) xmalloc (cursize); p = buf; - c = fgetc (stream); + c = fgetc (stream.get ()); if (c == EOF) break; do @@ -1686,7 +1673,7 @@ forward_search_command (char *regex, int from_tty) cursize = newsize; } } - while (c != '\n' && (c = fgetc (stream)) >= 0); + while (c != '\n' && (c = fgetc (stream.get ())) >= 0); /* Remove the \r, if any, at the end of the line, otherwise regular expressions that end with $ or \n won't work. */ @@ -1701,7 +1688,6 @@ forward_search_command (char *regex, int from_tty) if (re_exec (buf) > 0) { /* Match! */ - do_cleanups (cleanups); print_source_lines (current_source_symtab, line, line + 1, 0); set_internalvar_integer (lookup_internalvar ("_"), line); current_source_line = std::max (line - lines_to_list / 2, 1); @@ -1711,7 +1697,6 @@ forward_search_command (char *regex, int from_tty) } printf_filtered (_("Expression not found\n")); - do_cleanups (cleanups); } static void @@ -1719,7 +1704,6 @@ reverse_search_command (char *regex, int from_tty) { int c; int desc; - FILE *stream; int line; char *msg; struct cleanup *cleanups; @@ -1748,23 +1732,22 @@ reverse_search_command (char *regex, int from_tty) perror_with_name (symtab_to_filename_for_display (current_source_symtab)); discard_cleanups (cleanups); - stream = fdopen (desc, FDOPEN_MODE); - clearerr (stream); - cleanups = make_cleanup_fclose (stream); + gdb_file_up stream (fdopen (desc, FDOPEN_MODE)); + clearerr (stream.get ()); while (line > 1) { /* FIXME!!! We walk right off the end of buf if we get a long line!!! */ char buf[4096]; /* Should be reasonable??? */ char *p = buf; - c = fgetc (stream); + c = fgetc (stream.get ()); if (c == EOF) break; do { *p++ = c; } - while (c != '\n' && (c = fgetc (stream)) >= 0); + while (c != '\n' && (c = fgetc (stream.get ())) >= 0); /* Remove the \r, if any, at the end of the line, otherwise regular expressions that end with $ or \n won't work. */ @@ -1779,25 +1762,23 @@ reverse_search_command (char *regex, int from_tty) if (re_exec (buf) > 0) { /* Match! */ - do_cleanups (cleanups); print_source_lines (current_source_symtab, line, line + 1, 0); set_internalvar_integer (lookup_internalvar ("_"), line); current_source_line = std::max (line - lines_to_list / 2, 1); return; } line--; - if (fseek (stream, current_source_symtab->line_charpos[line - 1], 0) < 0) + if (fseek (stream.get (), + current_source_symtab->line_charpos[line - 1], 0) < 0) { const char *filename; - do_cleanups (cleanups); filename = symtab_to_filename_for_display (current_source_symtab); perror_with_name (filename); } } printf_filtered (_("Expression not found\n")); - do_cleanups (cleanups); return; } @@ -1896,12 +1877,9 @@ static void show_substitute_path_command (char *args, int from_tty) { struct substitute_path_rule *rule = substitute_path_rules; - char **argv; char *from = NULL; - struct cleanup *cleanup; - argv = gdb_buildargv (args); - cleanup = make_cleanup_freeargv (argv); + gdb_argv argv (args); /* We expect zero or one argument. */ @@ -1925,8 +1903,6 @@ show_substitute_path_command (char *args, int from_tty) printf_filtered (" `%s' -> `%s'.\n", rule->from, rule->to); rule = rule->next; } - - do_cleanups (cleanup); } /* Implement the "unset substitute-path" command. */ @@ -1935,14 +1911,12 @@ static void unset_substitute_path_command (char *args, int from_tty) { struct substitute_path_rule *rule = substitute_path_rules; - char **argv = gdb_buildargv (args); + gdb_argv argv (args); char *from = NULL; int rule_found = 0; - struct cleanup *cleanup; /* This function takes either 0 or 1 argument. */ - cleanup = make_cleanup_freeargv (argv); if (argv != NULL && argv[0] != NULL && argv[1] != NULL) error (_("Incorrect usage, too many arguments in command")); @@ -1980,8 +1954,6 @@ unset_substitute_path_command (char *args, int from_tty) error (_("No substitution rule defined for `%s'"), from); forget_cached_source_info (); - - do_cleanups (cleanup); } /* Add a new source path substitution rule. */ @@ -1989,12 +1961,9 @@ unset_substitute_path_command (char *args, int from_tty) static void set_substitute_path_command (char *args, int from_tty) { - char **argv; struct substitute_path_rule *rule; - struct cleanup *cleanup; - argv = gdb_buildargv (args); - cleanup = make_cleanup_freeargv (argv); + gdb_argv argv (args); if (argv == NULL || argv[0] == NULL || argv [1] == NULL) error (_("Incorrect usage, too few arguments in command")); @@ -2021,8 +1990,6 @@ set_substitute_path_command (char *args, int from_tty) add_substitute_path_rule (argv[0], argv[1]); forget_cached_source_info (); - - do_cleanups (cleanup); } |