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tool_operate: fix MinGW compiler warning 

MinGW complains:
tool_operate.c:197:15: error: comparison is always true due to limited range
of data type [-Werror=type-limits]

Fix this by only doing the comparison if 'long' is large enough to hold the
constant it is compared with.

Closes https://github.com/curl/curl/pull/1378
This commit is contained in:
Marcel Raad 2017-04-01 11:50:39 +02:00
parent 446eaa941d
commit b547fff566
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GPG Key ID: B7F13D981BBF1607
1 changed files with 31 additions and 27 deletions
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20
src/tool_operate.c
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@ -194,10 +194,20 @@ static void setfiletime(long filetime, const char *filename,
saving time offset and since it's GMT that is bad behavior. When we have
access to a 64-bit type we can bypass utime and set the times directly. */
#if defined(WIN32) && (CURL_SIZEOF_CURL_OFF_T >= 8)
HANDLE hfile;
#if (CURL_SIZEOF_LONG >= 8)
/* 910670515199 is the maximum unix filetime that can be used as a
Windows FILETIME without overflow: 30827-12-31T23:59:59. */
if(filetime <= CURL_OFF_T_C(910670515199)) {
HANDLE hfile = CreateFileA(filename, FILE_WRITE_ATTRIBUTES,
if(filetime > CURL_OFF_T_C(910670515199)) {
fprintf(error_stream,
"Failed to set filetime %ld on outfile: overflow\n",
filetime);
return;
}
#endif /* CURL_SIZEOF_LONG >= 8 */
hfile = CreateFileA(filename, FILE_WRITE_ATTRIBUTES,
(FILE_SHARE_READ | FILE_SHARE_WRITE |
FILE_SHARE_DELETE),
NULL, OPEN_EXISTING, 0, NULL);
@ -221,12 +231,6 @@ static void setfiletime(long filetime, const char *filename,
"CreateFile failed: GetLastError %u\n",
filetime, GetLastError());
}
}
else {
fprintf(error_stream,
"Failed to set filetime %ld on outfile: overflow\n",
filetime);
}
#elif defined(HAVE_UTIME)
struct utimbuf times;
times.actime = (time_t)filetime;