118 lines
3.1 KiB
Diff
118 lines
3.1 KiB
Diff
http://lists.gnu.org/archive/html/bug-make/2011-04/msg00002.html
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Index: read.c
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===================================================================
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RCS file: /sources/make/make/read.c,v
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retrieving revision 1.198
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retrieving revision 1.200
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diff -u -r1.198 -r1.200
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--- read.c 29 Apr 2011 15:27:39 -0000 1.198
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+++ read.c 7 May 2011 14:36:12 -0000 1.200
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@@ -2901,6 +2901,7 @@
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const char *name;
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const char **nlist = 0;
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char *tildep = 0;
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+ int globme = 1;
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#ifndef NO_ARCHIVES
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char *arname = 0;
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char *memname = 0;
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@@ -3109,32 +3110,40 @@
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}
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#endif /* !NO_ARCHIVES */
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- switch (glob (name, GLOB_NOSORT|GLOB_ALTDIRFUNC, NULL, &gl))
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- {
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- case GLOB_NOSPACE:
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- fatal (NILF, _("virtual memory exhausted"));
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-
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- case 0:
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- /* Success. */
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- i = gl.gl_pathc;
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- nlist = (const char **)gl.gl_pathv;
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- break;
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-
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- case GLOB_NOMATCH:
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- /* If we want only existing items, skip this one. */
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- if (flags & PARSEFS_EXISTS)
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- {
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- i = 0;
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- break;
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- }
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- /* FALLTHROUGH */
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-
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- default:
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- /* By default keep this name. */
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+ /* glob() is expensive: don't call it unless we need to. */
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+ if (!(flags & PARSEFS_EXISTS) && strpbrk (name, "?*[") == NULL)
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+ {
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+ globme = 0;
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i = 1;
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nlist = &name;
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- break;
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- }
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+ }
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+ else
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+ switch (glob (name, GLOB_NOSORT|GLOB_ALTDIRFUNC, NULL, &gl))
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+ {
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+ case GLOB_NOSPACE:
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+ fatal (NILF, _("virtual memory exhausted"));
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+
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+ case 0:
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+ /* Success. */
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+ i = gl.gl_pathc;
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+ nlist = (const char **)gl.gl_pathv;
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+ break;
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+
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+ case GLOB_NOMATCH:
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+ /* If we want only existing items, skip this one. */
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+ if (flags & PARSEFS_EXISTS)
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+ {
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+ i = 0;
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+ break;
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+ }
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+ /* FALLTHROUGH */
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+
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+ default:
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+ /* By default keep this name. */
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+ i = 1;
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+ nlist = &name;
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+ break;
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+ }
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/* For each matched element, add it to the list. */
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while (i-- > 0)
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@@ -3174,7 +3183,8 @@
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#endif /* !NO_ARCHIVES */
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NEWELT (concat (2, prefix, nlist[i]));
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- globfree (&gl);
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+ if (globme)
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+ globfree (&gl);
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#ifndef NO_ARCHIVES
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if (arname)
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Index: tests/scripts/functions/wildcard
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===================================================================
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RCS file: /sources/make/make/tests/scripts/functions/wildcard,v
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retrieving revision 1.6
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retrieving revision 1.7
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diff -u -r1.6 -r1.7
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--- tests/scripts/functions/wildcard 13 Jun 2009 21:21:49 -0000 1.6
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+++ tests/scripts/functions/wildcard 7 May 2011 14:36:11 -0000 1.7
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@@ -88,4 +88,16 @@
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!,
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'', "\n");
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+# TEST #5: wildcard used to verify file existence
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+
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+touch('xxx.yyy');
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+
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+run_make_test(q!exists: ; @echo file=$(wildcard xxx.yyy)!,
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+ '', "file=xxx.yyy\n");
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+
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+unlink('xxx.yyy');
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+
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+run_make_test(q!exists: ; @echo file=$(wildcard xxx.yyy)!,
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+ '', "file=\n");
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+
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1;
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