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Quieten a toupper() compiler warning.

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Gcc complains that an array index is a 'char' when passing a 'char' to
toupper(). Quieten this by coercing to an 'unsigned char'.

Signed-off-by: goldsimon <goldsimon@gmx.de>
This commit is contained in:
Our Air Quality 2018-04-25 23:44:32 +10:00 committed by goldsimon
parent c34120e855
commit 373bf8c36d
1 changed files with 1 additions and 1 deletions
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2
src/apps/netbiosns/netbiosns.c
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@ -493,7 +493,7 @@ netbiosns_set_name(const char *hostname)
/* make name into upper case */
for (i = 0; i < copy_len; i++ ) {
netbiosns_local_name[i] = (char)toupper(hostname[i]);
netbiosns_local_name[i] = (char)toupper((unsigned char)hostname[i]);
}
netbiosns_local_name[copy_len] = '\0';
}