From 1b36a34b7a279d934ee183f3d97562d49b612cc5 Mon Sep 17 00:00:00 2001 From: Jan Kratochvil Date: Sat, 23 May 2009 16:17:18 +0000 Subject: [PATCH] gdb/ Replace the savestring calls by xstrdup calls where possible. * breakpoint.c (condition_command, set_raw_breakpoint) (create_catchpoint, update_breakpoint_locations): Replace the savestring calls by xstrdup calls where possible. * buildsym.c (start_subfile, patch_subfile_names, record_debugformat) (record_producer): Likewise. * coffread.c (coff_start_symtab, complete_symtab): Likewise. * corefile.c (set_gnutarget): Likewise. * dbxread.c (add_new_header_file): Likewise. * demangle.c (set_demangling_command, set_demangling_style): Likewise. * event-top.c (push_prompt, pop_prompt, command_line_handler) (set_async_prompt): Likewise. * infcmd.c (set_inferior_io_terminal, attach_command_post_wait): Likewise. * language.c (set_language_command, _initialize_language): Likewise. * linespec.c (decode_line_2): Likewise. * rs6000-nat.c (add_vmap): Likewise. * top.c (set_prompt, init_history, init_main): Likewise. * tracepoint.c (stringify_collection_list): Likewise. * varobj.c (varobj_create): Remove variable expr_len. Replace the savestring calls by xstrdup calls where possible. (value_of_root, c_name_of_variable, c_describe_child): Replace the savestring calls by xstrdup calls where possible. * xcoffread.c (complete_symtab): Likewise. * cli/cli-script.c (build_command_line, define_command): Likewise. * cli/cli-setshow.c (do_setshow_command): Likewise. --- gdb/ChangeLog | 29 +++++++++++++++++++++++++++++ gdb/breakpoint.c | 12 ++++-------- gdb/buildsym.c | 11 +++++------ gdb/cli/cli-script.c | 6 +++--- gdb/cli/cli-setshow.c | 4 ++-- gdb/coffread.c | 4 ++-- gdb/corefile.c | 2 +- gdb/dbxread.c | 2 +- gdb/demangle.c | 9 +++------ gdb/event-top.c | 17 ++++++++--------- gdb/infcmd.c | 4 ++-- gdb/language.c | 10 +++++----- gdb/linespec.c | 4 ++-- gdb/rs6000-nat.c | 4 ++-- gdb/top.c | 10 +++++----- gdb/tracepoint.c | 2 +- gdb/varobj.c | 18 ++++++------------ gdb/xcoffread.c | 4 ++-- 18 files changed, 83 insertions(+), 69 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index da506329b8..bcc9ab115d 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,32 @@ +2009-05-23 Jan Kratochvil + + Replace the savestring calls by xstrdup calls where possible. + * breakpoint.c (condition_command, set_raw_breakpoint) + (create_catchpoint, update_breakpoint_locations): Replace the + savestring calls by xstrdup calls where possible. + * buildsym.c (start_subfile, patch_subfile_names, record_debugformat) + (record_producer): Likewise. + * coffread.c (coff_start_symtab, complete_symtab): Likewise. + * corefile.c (set_gnutarget): Likewise. + * dbxread.c (add_new_header_file): Likewise. + * demangle.c (set_demangling_command, set_demangling_style): Likewise. + * event-top.c (push_prompt, pop_prompt, command_line_handler) + (set_async_prompt): Likewise. + * infcmd.c (set_inferior_io_terminal, attach_command_post_wait): + Likewise. + * language.c (set_language_command, _initialize_language): Likewise. + * linespec.c (decode_line_2): Likewise. + * rs6000-nat.c (add_vmap): Likewise. + * top.c (set_prompt, init_history, init_main): Likewise. + * tracepoint.c (stringify_collection_list): Likewise. + * varobj.c (varobj_create): Remove variable expr_len. Replace the + savestring calls by xstrdup calls where possible. + (value_of_root, c_name_of_variable, c_describe_child): Replace the + savestring calls by xstrdup calls where possible. + * xcoffread.c (complete_symtab): Likewise. + * cli/cli-script.c (build_command_line, define_command): Likewise. + * cli/cli-setshow.c (do_setshow_command): Likewise. + 2009-05-23 Jan Kratochvil Remove already unreachable code. diff --git a/gdb/breakpoint.c b/gdb/breakpoint.c index e36429da92..b5362e2c8e 100644 --- a/gdb/breakpoint.c +++ b/gdb/breakpoint.c @@ -597,7 +597,7 @@ condition_command (char *arg, int from_tty) arg = p; /* I don't know if it matters whether this is the string the user typed in or the decompiled expression. */ - b->cond_string = savestring (arg, strlen (arg)); + b->cond_string = xstrdup (arg); b->condition_not_parsed = 0; for (loc = b->loc; loc; loc = loc->next) { @@ -4394,8 +4394,7 @@ set_raw_breakpoint (struct symtab_and_line sal, enum bptype bptype) if (sal.symtab == NULL) b->source_file = NULL; else - b->source_file = savestring (sal.symtab->filename, - strlen (sal.symtab->filename)); + b->source_file = xstrdup (sal.symtab->filename); b->loc->section = sal.section; b->line_number = sal.line; @@ -4816,8 +4815,7 @@ create_catchpoint (int tempflag, char *cond_string, set_breakpoint_count (breakpoint_count + 1); b->number = breakpoint_count; - b->cond_string = (cond_string == NULL) ? - NULL : savestring (cond_string, strlen (cond_string)); + b->cond_string = (cond_string == NULL) ? NULL : xstrdup (cond_string); b->thread = -1; b->addr_string = NULL; b->enable_state = bp_enabled; @@ -7490,9 +7488,7 @@ update_breakpoint_locations (struct breakpoint *b, if (sals.sals[i].symtab == NULL) b->source_file = NULL; else - b->source_file = - savestring (sals.sals[i].symtab->filename, - strlen (sals.sals[i].symtab->filename)); + b->source_file = xstrdup (sals.sals[i].symtab->filename); if (b->line_number == 0) b->line_number = sals.sals[i].line; diff --git a/gdb/buildsym.c b/gdb/buildsym.c index 6de817f8b9..e0d8f0da7d 100644 --- a/gdb/buildsym.c +++ b/gdb/buildsym.c @@ -561,9 +561,8 @@ start_subfile (char *name, char *dirname) current_subfile = subfile; /* Save its name and compilation directory name */ - subfile->name = (name == NULL) ? NULL : savestring (name, strlen (name)); - subfile->dirname = - (dirname == NULL) ? NULL : savestring (dirname, strlen (dirname)); + subfile->name = (name == NULL) ? NULL : xstrdup (name); + subfile->dirname = (dirname == NULL) ? NULL : xstrdup (dirname); /* Initialize line-number recording for this subfile. */ subfile->line_vector = NULL; @@ -638,7 +637,7 @@ patch_subfile_names (struct subfile *subfile, char *name) && subfile->name[strlen (subfile->name) - 1] == '/') { subfile->dirname = subfile->name; - subfile->name = savestring (name, strlen (name)); + subfile->name = xstrdup (name); last_source_file = name; /* Default the source language to whatever can be deduced from @@ -1260,7 +1259,7 @@ hashname (char *name) void record_debugformat (char *format) { - current_subfile->debugformat = savestring (format, strlen (format)); + current_subfile->debugformat = xstrdup (format); } void @@ -1271,7 +1270,7 @@ record_producer (const char *producer) if (producer == NULL) return; - current_subfile->producer = savestring (producer, strlen (producer)); + current_subfile->producer = xstrdup (producer); } /* Merge the first symbol list SRCLIST into the second symbol list diff --git a/gdb/cli/cli-script.c b/gdb/cli/cli-script.c index d17e67a1af..054ce90845 100644 --- a/gdb/cli/cli-script.c +++ b/gdb/cli/cli-script.c @@ -94,7 +94,7 @@ build_command_line (enum command_control_type type, char *args) = (struct command_line **) xmalloc (sizeof (struct command_line *) * cmd->body_count); memset (cmd->body_list, 0, sizeof (struct command_line *) * cmd->body_count); - cmd->line = savestring (args, strlen (args)); + cmd->line = xstrdup (args); return cmd; } @@ -1384,7 +1384,7 @@ define_command (char *comname, int from_tty) } } - comname = savestring (comname, strlen (comname)); + comname = xstrdup (comname); /* If the rest of the commands will be case insensitive, this one should behave in the same manner. */ @@ -1400,7 +1400,7 @@ define_command (char *comname, int from_tty) newc = add_cmd (comname, class_user, user_defined_command, (c && c->class == class_user) - ? c->doc : savestring ("User-defined.", 13), list); + ? c->doc : xstrdup ("User-defined."), list); newc->user_commands = cmds; /* If this new command is a hook, then mark both commands as being diff --git a/gdb/cli/cli-setshow.c b/gdb/cli/cli-setshow.c index 206a55d8f0..851f042b6c 100644 --- a/gdb/cli/cli-setshow.c +++ b/gdb/cli/cli-setshow.c @@ -177,14 +177,14 @@ do_setshow_command (char *arg, int from_tty, struct cmd_list_element *c) arg = ""; if (*(char **) c->var != NULL) xfree (*(char **) c->var); - *(char **) c->var = savestring (arg, strlen (arg)); + *(char **) c->var = xstrdup (arg); break; case var_optional_filename: if (arg == NULL) arg = ""; if (*(char **) c->var != NULL) xfree (*(char **) c->var); - *(char **) c->var = savestring (arg, strlen (arg)); + *(char **) c->var = xstrdup (arg); break; case var_filename: if (arg == NULL) diff --git a/gdb/coffread.c b/gdb/coffread.c index 30b7726ae2..1e5cb56fe1 100644 --- a/gdb/coffread.c +++ b/gdb/coffread.c @@ -364,7 +364,7 @@ coff_start_symtab (char *name) this pointer into last_source_file and we put it in subfiles->name, which end_symtab frees; that's why it must be malloc'd. */ - savestring (name, strlen (name)), + xstrdup (name), /* We never know the directory name for COFF. */ NULL, /* The start address is irrelevant, since we set @@ -383,7 +383,7 @@ complete_symtab (char *name, CORE_ADDR start_addr, unsigned int size) { if (last_source_file != NULL) xfree (last_source_file); - last_source_file = savestring (name, strlen (name)); + last_source_file = xstrdup (name); current_source_start_addr = start_addr; current_source_end_addr = start_addr + size; } diff --git a/gdb/corefile.c b/gdb/corefile.c index e667183c61..e74630b3a2 100644 --- a/gdb/corefile.c +++ b/gdb/corefile.c @@ -399,7 +399,7 @@ set_gnutarget (char *newtarget) { if (gnutarget_string != NULL) xfree (gnutarget_string); - gnutarget_string = savestring (newtarget, strlen (newtarget)); + gnutarget_string = xstrdup (newtarget); set_gnutarget_command (NULL, 0, NULL); } diff --git a/gdb/dbxread.c b/gdb/dbxread.c index be73769149..33a210497b 100644 --- a/gdb/dbxread.c +++ b/gdb/dbxread.c @@ -395,7 +395,7 @@ add_new_header_file (char *name, int instance) i = N_HEADER_FILES (current_objfile)++; hfile = HEADER_FILES (current_objfile) + i; - hfile->name = savestring (name, strlen (name)); + hfile->name = xstrdup (name); hfile->instance = instance; hfile->length = 10; hfile->vector diff --git a/gdb/demangle.c b/gdb/demangle.c index 4a39ad9668..b5ccf8719a 100644 --- a/gdb/demangle.c +++ b/gdb/demangle.c @@ -125,8 +125,7 @@ set_demangling_command (char *ignore, int from_tty, struct cmd_list_element *c) { xfree (current_demangling_style_string); current_demangling_style_string = - savestring (dem->demangling_style_name, - strlen (dem->demangling_style_name)); + xstrdup (dem->demangling_style_name); } } if (current_demangling_style == unknown_demangling) @@ -136,9 +135,7 @@ set_demangling_command (char *ignore, int from_tty, struct cmd_list_element *c) one as the default. */ current_demangling_style = libiberty_demanglers[0].demangling_style; current_demangling_style_string = - savestring ( - libiberty_demanglers[0].demangling_style_name, - strlen (libiberty_demanglers[0].demangling_style_name)); + xstrdup (libiberty_demanglers[0].demangling_style_name); warning (_("`%s' style demangling chosen as the default."), current_demangling_style_string); } @@ -154,7 +151,7 @@ set_demangling_style (char *style) { xfree (current_demangling_style_string); } - current_demangling_style_string = savestring (style, strlen (style)); + current_demangling_style_string = xstrdup (style); set_demangling_command ((char *) NULL, 0, (struct cmd_list_element *) NULL); } diff --git a/gdb/event-top.c b/gdb/event-top.c index 31ebd4ea00..790cebff31 100644 --- a/gdb/event-top.c +++ b/gdb/event-top.c @@ -372,22 +372,22 @@ change_annotation_level (void) /* Pushes a new prompt on the prompt stack. Each prompt has three parts: prefix, prompt, suffix. Usually prefix and suffix are empty strings, except when the annotation level is 2. Memory is allocated - within savestring for the new prompt. */ + within xstrdup for the new prompt. */ void push_prompt (char *prefix, char *prompt, char *suffix) { the_prompts.top++; - PREFIX (0) = savestring (prefix, strlen (prefix)); + PREFIX (0) = xstrdup (prefix); /* Note that this function is used by the set annotate 2 command. This is why we take care of saving the old prompt in case a new one is not specified. */ if (prompt) - PROMPT (0) = savestring (prompt, strlen (prompt)); + PROMPT (0) = xstrdup (prompt); else - PROMPT (0) = savestring (PROMPT (-1), strlen (PROMPT (-1))); + PROMPT (0) = xstrdup (PROMPT (-1)); - SUFFIX (0) = savestring (suffix, strlen (suffix)); + SUFFIX (0) = xstrdup (suffix); } /* Pops the top of the prompt stack, and frees the memory allocated for it. */ @@ -404,7 +404,7 @@ pop_prompt (void) if (strcmp (PROMPT (0), PROMPT (-1))) { xfree (PROMPT (-1)); - PROMPT (-1) = savestring (PROMPT (0), strlen (PROMPT (0))); + PROMPT (-1) = xstrdup (PROMPT (0)); } xfree (PREFIX (0)); @@ -624,8 +624,7 @@ command_line_handler (char *rl) { p--; /* Put on top of '\'. */ - readline_input_state.linebuffer = savestring (linebuffer, - strlen (linebuffer)); + readline_input_state.linebuffer = xstrdup (linebuffer); readline_input_state.linebuffer_ptr = p; /* We will not invoke a execute_command if there is more @@ -1063,7 +1062,7 @@ set_async_annotation_level (char *args, int from_tty, struct cmd_list_element *c void set_async_prompt (char *args, int from_tty, struct cmd_list_element *c) { - PROMPT (0) = savestring (new_async_prompt, strlen (new_async_prompt)); + PROMPT (0) = xstrdup (new_async_prompt); } /* Set things up for readline to be invoked via the alternate diff --git a/gdb/infcmd.c b/gdb/infcmd.c index 433b0b83d4..0ad117050c 100644 --- a/gdb/infcmd.c +++ b/gdb/infcmd.c @@ -178,7 +178,7 @@ set_inferior_io_terminal (const char *terminal_name) if (!terminal_name) inferior_io_terminal = NULL; else - inferior_io_terminal = savestring (terminal_name, strlen (terminal_name)); + inferior_io_terminal = xstrdup (terminal_name); } const char * @@ -2154,7 +2154,7 @@ attach_command_post_wait (char *args, int from_tty, int async_exec) filename. Not much more we can do...) */ if (!source_full_path_of (exec_file, &full_exec_path)) - full_exec_path = savestring (exec_file, strlen (exec_file)); + full_exec_path = xstrdup (exec_file); exec_file_attach (full_exec_path, from_tty); symbol_file_add_main (full_exec_path, from_tty); diff --git a/gdb/language.c b/gdb/language.c index 6209d7fa1e..62eeb621f0 100644 --- a/gdb/language.c +++ b/gdb/language.c @@ -215,7 +215,7 @@ local or auto Automatic setting based on source file\n")); /* Reset the language (esp. the global string "language") to the correct values. */ - err_lang = savestring (language, strlen (language)); + err_lang = xstrdup (language); make_cleanup (xfree, err_lang); /* Free it after error */ set_language (current_language->la_language); error (_("Unknown language `%s'."), err_lang); @@ -1401,10 +1401,10 @@ For Fortran the default is off; for other languages the default is on."), add_language (&local_language_defn); add_language (&auto_language_defn); - language = savestring ("auto", strlen ("auto")); - type = savestring ("auto", strlen ("auto")); - range = savestring ("auto", strlen ("auto")); - case_sensitive = savestring ("auto",strlen ("auto")); + language = xstrdup ("auto"); + type = xstrdup ("auto"); + range = xstrdup ("auto"); + case_sensitive = xstrdup ("auto"); /* Have the above take effect */ set_language (language_auto); diff --git a/gdb/linespec.c b/gdb/linespec.c index 6579d42f0b..e2018e6a22 100644 --- a/gdb/linespec.c +++ b/gdb/linespec.c @@ -587,7 +587,7 @@ See set/show multiple-symbol.")); if (canonical_arr[i] == NULL) { symname = SYMBOL_LINKAGE_NAME (sym_arr[i]); - canonical_arr[i] = savestring (symname, strlen (symname)); + canonical_arr[i] = xstrdup (symname); } } } @@ -611,7 +611,7 @@ See set/show multiple-symbol.")); { symname = SYMBOL_LINKAGE_NAME (sym_arr[num]); make_cleanup (xfree, symname); - canonical_arr[i] = savestring (symname, strlen (symname)); + canonical_arr[i] = xstrdup (symname); } return_values.sals[i++] = values.sals[num]; values.sals[num].pc = 0; diff --git a/gdb/rs6000-nat.c b/gdb/rs6000-nat.c index ae2806de79..c1e3b4756e 100644 --- a/gdb/rs6000-nat.c +++ b/gdb/rs6000-nat.c @@ -736,8 +736,8 @@ add_vmap (LdInfo *ldi) filename = LDI_FILENAME (ldi, arch64); mem = filename + strlen (filename) + 1; - mem = savestring (mem, strlen (mem)); - objname = savestring (filename, strlen (filename)); + mem = xstrdup (mem); + objname = xstrdup (filename); fd = LDI_FD (ldi, arch64); if (fd < 0) diff --git a/gdb/top.c b/gdb/top.c index ba635eaa64..7a10f7c647 100644 --- a/gdb/top.c +++ b/gdb/top.c @@ -1153,11 +1153,11 @@ void set_prompt (char *s) { /* ??rehrauer: I don't know why this fails, since it looks as though - assignments to prompt are wrapped in calls to savestring... + assignments to prompt are wrapped in calls to xstrdup... if (prompt != NULL) xfree (prompt); */ - PROMPT (0) = savestring (s, strlen (s)); + PROMPT (0) = xstrdup (s); } @@ -1458,7 +1458,7 @@ init_history (void) tmpenv = getenv ("GDBHISTFILE"); if (tmpenv) - history_filename = savestring (tmpenv, strlen (tmpenv)); + history_filename = xstrdup (tmpenv); else if (!history_filename) { /* We include the current directory so that if the user changes @@ -1516,13 +1516,13 @@ init_main (void) whatever the DEFAULT_PROMPT is. */ the_prompts.top = 0; PREFIX (0) = ""; - PROMPT (0) = savestring (DEFAULT_PROMPT, strlen (DEFAULT_PROMPT)); + PROMPT (0) = xstrdup (DEFAULT_PROMPT); SUFFIX (0) = ""; /* Set things up for annotation_level > 1, if the user ever decides to use it. */ async_annotation_suffix = "prompt"; /* Set the variable associated with the setshow prompt command. */ - new_async_prompt = savestring (PROMPT (0), strlen (PROMPT (0))); + new_async_prompt = xstrdup (PROMPT (0)); /* If gdb was started with --annotate=2, this is equivalent to the user entering the command 'set annotate 2' at the gdb prompt, so diff --git a/gdb/tracepoint.c b/gdb/tracepoint.c index 317d1238d3..af962a6645 100644 --- a/gdb/tracepoint.c +++ b/gdb/tracepoint.c @@ -938,7 +938,7 @@ stringify_collection_list (struct collection_list *list, char *string) sprintf (end, "%02X", list->regs_mask[i]); end += 2; } - (*str_list)[ndx] = savestring (temp_buf, end - temp_buf); + (*str_list)[ndx] = xstrdup (temp_buf); ndx++; } if (info_verbose) diff --git a/gdb/varobj.c b/gdb/varobj.c index 54c2a02efd..e8556d78fd 100644 --- a/gdb/varobj.c +++ b/gdb/varobj.c @@ -461,7 +461,6 @@ varobj_create (char *objname, char *p; enum varobj_languages lang; struct value *value = NULL; - int expr_len; /* Parse and evaluate the expression, filling in as much of the variable's data as possible. */ @@ -512,10 +511,9 @@ varobj_create (char *objname, var->format = variable_default_display (var); var->root->valid_block = innermost_block; - expr_len = strlen (expression); - var->name = savestring (expression, expr_len); + var->name = xstrdup (expression); /* For a root var, the name and the expr are the same. */ - var->path_expr = savestring (expression, expr_len); + var->path_expr = xstrdup (expression); /* When the frame is different from the current frame, we must select the appropriate frame before parsing @@ -561,7 +559,7 @@ varobj_create (char *objname, if ((var != NULL) && (objname != NULL)) { - var->obj_name = savestring (objname, strlen (objname)); + var->obj_name = xstrdup (objname); /* If a varobj name is duplicated, the install will fail so we must clenup */ @@ -1765,8 +1763,7 @@ value_of_root (struct varobj **var_handle, int *type_changed) } else { - tmp_var->obj_name = - savestring (var->obj_name, strlen (var->obj_name)); + tmp_var->obj_name = xstrdup (var->obj_name); varobj_delete (var, NULL, 0); install_variable (tmp_var); @@ -2015,7 +2012,7 @@ c_number_of_children (struct varobj *var) static char * c_name_of_variable (struct varobj *parent) { - return savestring (parent->name, strlen (parent->name)); + return xstrdup (parent->name); } /* Return the value of element TYPE_INDEX of a structure @@ -2114,10 +2111,7 @@ c_describe_child (struct varobj *parent, int index, case TYPE_CODE_STRUCT: case TYPE_CODE_UNION: if (cname) - { - char *string = TYPE_FIELD_NAME (type, index); - *cname = savestring (string, strlen (string)); - } + *cname = xstrdup (TYPE_FIELD_NAME (type, index)); if (cvalue && value) { diff --git a/gdb/xcoffread.c b/gdb/xcoffread.c index 9ae929f24d..d26838c1f6 100644 --- a/gdb/xcoffread.c +++ b/gdb/xcoffread.c @@ -831,8 +831,8 @@ enter_line_range (struct subfile *subfile, unsigned beginoffset, unsigned endoff text address for the file, and SIZE is the number of bytes of text. */ #define complete_symtab(name, start_addr) { \ - last_source_file = savestring (name, strlen (name)); \ - last_source_start_addr = start_addr; \ + last_source_file = xstrdup (name); \ + last_source_start_addr = start_addr; \ } -- 2.34.1