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From: Corinna Vinschen <corinna@sourceware.org> To: newlib-cvs@sourceware.org Subject: [newlib-cygwin/main] strptime: fix am/pm converting to 24-hour system Date: Wed, 21 Feb 2024 14:52:56 +0000 (GMT) [thread overview] Message-ID: <20240221145256.C0BBC3858D34@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=acf176104fc5410bfec0635ed2c5a21971b9c938 commit acf176104fc5410bfec0635ed2c5a21971b9c938 Author: Alexey Lapshin <alexey.lapshin@espressif.com> AuthorDate: Tue Feb 20 18:51:04 2024 +0000 Commit: Corinna Vinschen <corinna@vinschen.de> CommitDate: Wed Feb 21 15:52:14 2024 +0100 strptime: fix am/pm converting to 24-hour system Fix the issue of parsing 08:00AM, which currently gives a 20:00 representation. Diff: --- newlib/libc/time/strptime.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/newlib/libc/time/strptime.c b/newlib/libc/time/strptime.c index 6220ff73ad27..188218059a36 100644 --- a/newlib/libc/time/strptime.c +++ b/newlib/libc/time/strptime.c @@ -292,11 +292,12 @@ strptime_l (const char *buf, const char *format, struct tm *timeptr, ret = match_string (&buf, _ctloc (am_pm), locale); if (ret < 0) return NULL; - if (timeptr->tm_hour == 0) { - if (ret == 1) - timeptr->tm_hour = 12; - } else - timeptr->tm_hour += 12; + if (timeptr->tm_hour > 12) + return NULL; + else if (timeptr->tm_hour == 12) + timeptr->tm_hour = ret * 12; + else + timeptr->tm_hour += ret * 12; break; case 'q' : /* quarter year - GNU extension */ ret = strtol_l (buf, &s, 10, locale);
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