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Preserve errno in fallback code

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This commit is contained in:
Andrey A. Chernov 2002-08-03 15:56:25 +00:00
parent ea779ff36c
commit 5740f28044
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=101269
1 changed files with 3 additions and 0 deletions
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3
lib/libc/locale/setlocale.c
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@ -239,6 +239,7 @@ loadlocale(category)
char *ret;
char *new = new_categories[category];
char *old = current_categories[category];
int saverr;
if ((new[0] == '.' &&
(new[1] == '\0' || (new[1] == '.' && new[2] == '\0'))) ||
@ -273,8 +274,10 @@ loadlocale(category)
return (old); \
ret = FUNC(new) != 0 ? NULL : new; \
if (ret == NULL) { \
saverr = errno; \
if (FUNC(old) != 0 && FUNC("C") == 0) \
(void)strcpy(old, "C"); \
errno = saverr; \
} else \
(void)strcpy(old, new); \
return (ret); \