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author | Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> | 2014-10-19 07:54:27 +0000 |
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committer | Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> | 2014-10-19 07:54:27 +0000 |
commit | ff9e6c32c37e685f25e5ba09611e6e7d1a556bd8 (patch) | |
tree | 166d12b4f4831f114d046692dd712f7e96e40882 | |
parent | 73f5bda01dbb1f6726593ab7a6139a1a8a1afb5a (diff) | |
download | ast2050-flashrom-ff9e6c32c37e685f25e5ba09611e6e7d1a556bd8.zip ast2050-flashrom-ff9e6c32c37e685f25e5ba09611e6e7d1a556bd8.tar.gz |
dmi.c: make sure we call isprint() correctly
ISO C and POSIX require to call ctype functions with values representable
by unsigned char. We have used a char as input so far which might be
negative and hence get sign-extended.
Corresponding to flashrom svn r1852.
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
-rw-r--r-- | dmi.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -142,7 +142,7 @@ static char *dmi_string(const char *buf, uint8_t string_id, const char *limit) /* fix junk bytes in the string */ for (i = 0; i < len && buf[i] != '\0'; i++) { - if (isprint(buf[i])) + if (isprint((unsigned char)buf[i])) newbuf[i] = buf[i]; else newbuf[i] = ' '; |