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Re: [rfc] Replace DEPRECATED_STREQ
- From: Mark Kettenis <mark dot kettenis at xs4all dot nl>
- To: deuling at de dot ibm dot com
- Cc: gdb-patches at sourceware dot org, uweigand at de dot ibm dot com
- Date: Wed, 16 Jan 2008 11:41:42 +0100 (CET)
- Subject: Re: [rfc] Replace DEPRECATED_STREQ
- References: <478DD3EB.3020803@de.ibm.com>
> Date: Wed, 16 Jan 2008 10:52:43 +0100
> From: Markus Deuling <deuling@de.ibm.com>
>
> Hi,
>
> this patch replaces and removes DEPRECATED_STREQ. Tested on x86 and
> PowerPC without regression. Is this ok to commit ?
Please, please, use
if (strcmp(a, b) == 0)
instead of
if (!strcmp(a, b))
I always read the latter as exactly the opposite of what it really
means, and the former is the prevalent way of coding this everywhere
else in GDB.
Mark
> ChangeLog:
>
> * rs6000-nat.c (add_vmap, vmap_ldinfo, vmap_exec): Replace
> DEPRECATED_STREQ by its expression.
> * coffread.c (coff_locate_sections, coff_symtab_read): Likewise.
> * xcoffread.c (read_xcoff_symtab, read_symbol_lineno, find_linenos)
> (scan_xcoff_symtab): Likewise.
> * hppa-hpux-tdep.c (hppa_hpux_skip_trampoline_code): Likewise.
> * f-lang.c (find_common_for_function): Likewise.
> * objc-exp.y (parse_number): Likewise.
>
> * defs.h (DEPRECATED_STREQ): Remove.
>
>
> --
> Markus Deuling
> GNU Toolchain for Linux on Cell BE
> deuling@de.ibm.com
>
>
>
> --------------060202000806010607000108
> Content-Type: text/plain;
> name="diff-DEPRECATED_STREQ"
> Content-Transfer-Encoding: 7bit
> Content-Disposition: inline;
> filename="diff-DEPRECATED_STREQ"
>
> diff -urpN src/gdb/coffread.c dev/gdb/coffread.c
> --- src/gdb/coffread.c 2008-01-01 23:53:09.000000000 +0100
> +++ dev/gdb/coffread.c 2008-01-16 09:48:28.000000000 +0100
> @@ -198,7 +198,7 @@ coff_locate_sections (bfd *abfd, asectio
>
> csi = (struct coff_symfile_info *) csip;
> name = bfd_get_section_name (abfd, sectp);
> - if (DEPRECATED_STREQ (name, ".text"))
> + if (!strcmp (name, ".text"))
> {
> csi->textaddr = bfd_section_vma (abfd, sectp);
> csi->textsize += bfd_section_size (abfd, sectp);
> @@ -207,7 +207,7 @@ coff_locate_sections (bfd *abfd, asectio
> {
> csi->textsize += bfd_section_size (abfd, sectp);
> }
> - else if (DEPRECATED_STREQ (name, ".stabstr"))
> + else if (!strcmp (name, ".stabstr"))
> {
> csi->stabstrsect = sectp;
> }
> @@ -823,7 +823,7 @@ coff_symtab_read (long symtab_offset, un
> case C_THUMBSTATFUNC:
> if (cs->c_name[0] == '.')
> {
> - if (DEPRECATED_STREQ (cs->c_name, ".text"))
> + if (!strcmp (cs->c_name, ".text"))
> {
> /* FIXME: don't wire in ".text" as section name
> or symbol name! */
> @@ -947,7 +947,7 @@ coff_symtab_read (long symtab_offset, un
> break;
>
> case C_FCN:
> - if (DEPRECATED_STREQ (cs->c_name, ".bf"))
> + if (!strcmp (cs->c_name, ".bf"))
> {
> within_function = 1;
>
> @@ -969,7 +969,7 @@ coff_symtab_read (long symtab_offset, un
> new->name =
> process_coff_symbol (&fcn_cs_saved, &fcn_aux_saved, objfile);
> }
> - else if (DEPRECATED_STREQ (cs->c_name, ".ef"))
> + else if (!strcmp (cs->c_name, ".ef"))
> {
> if (!within_function)
> error (_("Bad coff function information."));
> @@ -1045,13 +1045,13 @@ coff_symtab_read (long symtab_offset, un
> break;
>
> case C_BLOCK:
> - if (DEPRECATED_STREQ (cs->c_name, ".bb"))
> + if (!strcmp (cs->c_name, ".bb"))
> {
> tmpaddr = cs->c_value;
> tmpaddr += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
> push_context (++depth, tmpaddr);
> }
> - else if (DEPRECATED_STREQ (cs->c_name, ".eb"))
> + else if (!strcmp (cs->c_name, ".eb"))
> {
> if (context_stack_depth <= 0)
> { /* We attempted to pop an empty context stack */
> diff -urpN src/gdb/defs.h dev/gdb/defs.h
> --- src/gdb/defs.h 2008-01-11 13:28:02.000000000 +0100
> +++ dev/gdb/defs.h 2008-01-16 10:03:12.000000000 +0100
> @@ -153,7 +153,6 @@ typedef bfd_vma CORE_ADDR;
> not responsible for any breakage due to code that relied on the old
> underlying implementation. */
>
> -#define DEPRECATED_STREQ(a,b) (strcmp ((a), (b)) == 0)
> #define DEPRECATED_STREQN(a,b,c) (strncmp ((a), (b), (c)) == 0)
>
> /* Check if a character is one of the commonly used C++ marker characters. */
> diff -urpN src/gdb/f-lang.c dev/gdb/f-lang.c
> --- src/gdb/f-lang.c 2008-01-01 23:53:09.000000000 +0100
> +++ dev/gdb/f-lang.c 2008-01-16 09:57:18.000000000 +0100
> @@ -637,8 +637,8 @@ find_common_for_function (char *name, ch
>
> while (tmp != NULL)
> {
> - if (DEPRECATED_STREQ (tmp->name, name)
> - && DEPRECATED_STREQ (tmp->owning_function, funcname))
> + if (!strcmp (tmp->name, name)
> + && !strcmp (tmp->owning_function, funcname))
> return (tmp);
> else
> tmp = tmp->next;
> diff -urpN src/gdb/hppa-hpux-tdep.c dev/gdb/hppa-hpux-tdep.c
> --- src/gdb/hppa-hpux-tdep.c 2008-01-01 23:53:10.000000000 +0100
> +++ dev/gdb/hppa-hpux-tdep.c 2008-01-16 09:56:39.000000000 +0100
> @@ -376,7 +376,8 @@ hppa_hpux_skip_trampoline_code (struct f
> ALL_MSYMBOLS (objfile, msymbol)
> {
> if (MSYMBOL_TYPE (msymbol) == mst_text
> - && DEPRECATED_STREQ (DEPRECATED_SYMBOL_NAME (msymbol), DEPRECATED_SYMBOL_NAME (msym)))
> + && !strcmp (DEPRECATED_SYMBOL_NAME (msymbol),
> + DEPRECATED_SYMBOL_NAME (msym)))
> {
> function_found = 1;
> break;
> diff -urpN src/gdb/objc-exp.y dev/gdb/objc-exp.y
> --- src/gdb/objc-exp.y 2008-01-10 10:37:22.000000000 +0100
> +++ dev/gdb/objc-exp.y 2008-01-16 09:59:03.000000000 +0100
> @@ -680,7 +680,7 @@ qualified_name: typebase COLONCOLON name
> error ("`%s' is not defined as an aggregate type.",
> TYPE_NAME (type));
>
> - if (!DEPRECATED_STREQ (type_name_no_tag (type), $4.ptr))
> + if (strcmp (type_name_no_tag (type), $4.ptr))
> error ("invalid destructor `%s::~%s'",
> type_name_no_tag (type), $4.ptr);
>
> diff -urpN src/gdb/rs6000-nat.c dev/gdb/rs6000-nat.c
> --- src/gdb/rs6000-nat.c 2008-01-01 23:53:12.000000000 +0100
> +++ dev/gdb/rs6000-nat.c 2008-01-16 09:42:29.000000000 +0100
> @@ -762,7 +762,7 @@ add_vmap (LdInfo *ldi)
> last = 0;
> /* FIXME??? am I tossing BFDs? bfd? */
> while ((last = bfd_openr_next_archived_file (abfd, last)))
> - if (DEPRECATED_STREQ (mem, last->filename))
> + if (strcmp (mem, last->filename) == 0)
> break;
>
> if (!last)
> @@ -846,8 +846,8 @@ vmap_ldinfo (LdInfo *ldi)
>
> /* The filenames are not always sufficient to match on. */
>
> - if ((name[0] == '/' && !DEPRECATED_STREQ (name, vp->name))
> - || (memb[0] && !DEPRECATED_STREQ (memb, vp->member)))
> + if ((name[0] == '/' && strcmp (name, vp->name))
> + || (memb[0] && strcmp (memb, vp->member)))
> continue;
>
> /* See if we are referring to the same file.
> @@ -944,17 +944,17 @@ vmap_exec (void)
>
> for (i = 0; &exec_ops.to_sections[i] < exec_ops.to_sections_end; i++)
> {
> - if (DEPRECATED_STREQ (".text", exec_ops.to_sections[i].the_bfd_section->name))
> + if (!strcmp (".text", exec_ops.to_sections[i].the_bfd_section->name))
> {
> exec_ops.to_sections[i].addr += vmap->tstart - vmap->tvma;
> exec_ops.to_sections[i].endaddr += vmap->tstart - vmap->tvma;
> }
> - else if (DEPRECATED_STREQ (".data", exec_ops.to_sections[i].the_bfd_section->name))
> + else if (!strcmp (".data", exec_ops.to_sections[i].the_bfd_section->name))
> {
> exec_ops.to_sections[i].addr += vmap->dstart - vmap->dvma;
> exec_ops.to_sections[i].endaddr += vmap->dstart - vmap->dvma;
> }
> - else if (DEPRECATED_STREQ (".bss", exec_ops.to_sections[i].the_bfd_section->name))
> + else if (!strcmp (".bss", exec_ops.to_sections[i].the_bfd_section->name))
> {
> exec_ops.to_sections[i].addr += vmap->dstart - vmap->dvma;
> exec_ops.to_sections[i].endaddr += vmap->dstart - vmap->dvma;
> diff -urpN src/gdb/xcoffread.c dev/gdb/xcoffread.c
> --- src/gdb/xcoffread.c 2008-01-01 23:53:13.000000000 +0100
> +++ dev/gdb/xcoffread.c 2008-01-16 09:51:08.000000000 +0100
> @@ -1251,7 +1251,7 @@ read_xcoff_symtab (struct partial_symtab
> break;
>
> case C_FCN:
> - if (DEPRECATED_STREQ (cs->c_name, ".bf"))
> + if (!strcmp (cs->c_name, ".bf"))
> {
> CORE_ADDR off = ANOFFSET (objfile->section_offsets,
> SECT_OFF_TEXT (objfile));
> @@ -1268,7 +1268,7 @@ read_xcoff_symtab (struct partial_symtab
> if (new->name != NULL)
> SYMBOL_SECTION (new->name) = SECT_OFF_TEXT (objfile);
> }
> - else if (DEPRECATED_STREQ (cs->c_name, ".ef"))
> + else if (!strcmp (cs->c_name, ".ef"))
> {
>
> bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
> @@ -1362,7 +1362,7 @@ read_xcoff_symtab (struct partial_symtab
> break;
>
> case C_BLOCK:
> - if (DEPRECATED_STREQ (cs->c_name, ".bb"))
> + if (!strcmp (cs->c_name, ".bb"))
> {
> depth++;
> new = push_context (depth,
> @@ -1370,7 +1370,7 @@ read_xcoff_symtab (struct partial_symtab
> + ANOFFSET (objfile->section_offsets,
> SECT_OFF_TEXT (objfile))));
> }
> - else if (DEPRECATED_STREQ (cs->c_name, ".eb"))
> + else if (!strcmp (cs->c_name, ".eb"))
> {
> if (context_stack_depth <= 0)
> { /* We attempted to pop an empty context stack */
> @@ -1666,7 +1666,7 @@ read_symbol_lineno (int symno)
> if (symbol->n_sclass == C_FCN)
> {
> char *name = xcoff64 ? strtbl + symbol->n_offset : symbol->n_name;
> - if (DEPRECATED_STREQ (name, ".bf"))
> + if (!strcmp (name, ".bf"))
> goto gotit;
> }
> symno += symbol->n_numaux + 1;
> @@ -1700,7 +1700,7 @@ find_linenos (struct bfd *abfd, struct b
>
> count = asect->lineno_count;
>
> - if (!DEPRECATED_STREQ (asect->name, ".text") || count == 0)
> + if (strcmp (asect->name, ".text") || count == 0)
> return;
>
> size = count * coff_data (abfd)->local_linesz;
> @@ -2525,12 +2525,12 @@ scan_xcoff_symtab (struct objfile *objfi
> things like "break c-exp.y:435" need to work (I
> suppose the psymtab_include_list could be hashed or put
> in a binary tree, if profiling shows this is a major hog). */
> - if (pst && DEPRECATED_STREQ (namestring, pst->filename))
> + if (pst && !strcmp (namestring, pst->filename))
> continue;
> {
> int i;
> for (i = 0; i < includes_used; i++)
> - if (DEPRECATED_STREQ (namestring, psymtab_include_list[i]))
> + if (!strcmp (namestring, psymtab_include_list[i]))
> {
> i = -1;
> break;
>
>
> --------------060202000806010607000108--
>