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logging: make banner printing safer

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Don't rely on the buffer filled with '=' characters to be always at
least as long as the log-specific banner string.
This commit is contained in:
Miroslav Lichvar
2019-10-22 15:25:03 +02:00
parent f4c6a00b2a
commit 96771d6857
1 changed files with 1 additions and 1 deletions
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2
logging.c
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@@ -289,7 +289,7 @@ LOG_FileWrite(LOG_FileID id, const char *format, ...)
char bannerline[256]; char bannerline[256];
int i, bannerlen; int i, bannerlen;
bannerlen = strlen(logfiles[id].banner); bannerlen = MIN(strlen(logfiles[id].banner), sizeof (bannerline) - 1);
for (i = 0; i < bannerlen; i++) for (i = 0; i < bannerlen; i++)
bannerline[i] = '='; bannerline[i] = '=';