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2010-08-12 Andreas Schwab <schwab@redhat.com>
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[BZ #11904]
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* locale/programs/locale.c (print_assignment): New function.
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(show_locale_vars): Use it.
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Index: glibc-2.12-2-gc4ccff1/locale/programs/locale.c
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===================================================================
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--- glibc-2.12-2-gc4ccff1.orig/locale/programs/locale.c
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+++ glibc-2.12-2-gc4ccff1/locale/programs/locale.c
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@@ -762,6 +762,29 @@ write_charmaps (void)
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twalk (all_data, print_names);
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}
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+/* Print a properly quoted assignment of NAME with VAL, using double
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+ quotes iff DQUOTE is true. */
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+static void
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+print_assignment (const char *name, const char *val, bool dquote)
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+{
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+ printf ("%s=", name);
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+ if (dquote)
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+ putchar ('"');
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+ while (*val != '\0')
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+ {
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+ size_t segment
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+ = strcspn (val, dquote ? "$`\"\\" : "~|&;<>()$`\\\"' \t\n");
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+ printf ("%.*s", (int) segment, val);
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+ val += segment;
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+ if (*val == '\0')
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+ break;
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+ putchar ('\\');
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+ putchar (*val++);
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+ }
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+ if (dquote)
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+ putchar ('"');
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+ putchar ('\n');
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+}
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/* We have to show the contents of the environments determining the
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locale. */
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@@ -769,7 +792,7 @@ static void
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show_locale_vars (void)
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{
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size_t cat_no;
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- const char *lcall = getenv ("LC_ALL");
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+ const char *lcall = getenv ("LC_ALL") ? : "";
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const char *lang = getenv ("LANG") ? : "";
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auto void get_source (const char *name);
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@@ -778,15 +801,15 @@ show_locale_vars (void)
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{
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char *val = getenv (name);
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- if ((lcall ?: "")[0] != '\0' || val == NULL)
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- printf ("%s=\"%s\"\n", name,
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- (lcall ?: "")[0] ? lcall : (lang ?: "")[0] ? lang : "POSIX");
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+ if (lcall[0] != '\0' || val == NULL)
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+ print_assignment (name, lcall[0] ? lcall : lang[0] ? lang : "POSIX",
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+ true);
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else
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- printf ("%s=%s\n", name, val);
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+ print_assignment (name, val, false);
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}
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/* LANG has to be the first value. */
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- printf ("LANG=%s\n", lang);
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+ print_assignment ("LANG", lang, false);
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/* Now all categories in an unspecified order. */
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for (cat_no = 0; cat_no < NCATEGORIES; ++cat_no)
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@@ -794,7 +817,7 @@ show_locale_vars (void)
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get_source (category[cat_no].name);
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/* The last is the LC_ALL value. */
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- printf ("LC_ALL=%s\n", lcall ? : "");
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+ print_assignment ("LC_ALL", lcall, false);
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}
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