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use a safe way to copy the chip string

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based on https://developers.redhat.com/blog/2019/08/12/efficient-string-copying-and-concatenation-in-c

Fixes: https://github.com/rockchip-linux/rkdeveloptool/issues/55
This commit is contained in:
Dan Horák 2021-06-18 18:29:25 +02:00
parent 46bb4c0736
commit 8ca2bcc67e
1 changed files with 1 additions and 1 deletions
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main.cpp
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@ -1490,7 +1490,7 @@ static bool saveEntry(FILE* outFile, char* path, rk_entry_type type,
static inline uint32_t convertChipType(const char* chip) { static inline uint32_t convertChipType(const char* chip) {
char buffer[5]; char buffer[5];
memset(buffer, 0, sizeof(buffer)); memset(buffer, 0, sizeof(buffer));
snprintf(buffer, sizeof(buffer), "%s", chip); memccpy(buffer, chip, '\0', sizeof(buffer));
return buffer[0] << 24 | buffer[1] << 16 | buffer[2] << 8 | buffer[3]; return buffer[0] << 24 | buffer[1] << 16 | buffer[2] << 8 | buffer[3];
} }