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Add test utils for idstring checking

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This commit is contained in:
bnnm 2020-12-19 12:51:31 +01:00
parent 633672eefe
commit 114de803f6
2 changed files with 8 additions and 0 deletions
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4
src/streamfile.h
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@ -307,6 +307,10 @@ static inline int min_s32(int32_t a, int32_t b) { return a < b ? a : b; }
//align32, align16, clamp16, etc
#endif
static inline const int is_id32be(off_t offset, STREAMFILE* sf, const char* s) {
return read_u32be(offset, sf) == get_id32be(s);
}
//TODO: maybe move to streamfile.c
/* guess byte endianness from a given value, return true if big endian and false if little endian */
static inline int guess_endianness16bit(off_t offset, STREAMFILE* sf) {

4
src/util.h
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@ -98,6 +98,10 @@ static inline int clamp16(int32_t val) {
else return val;
}
static inline const uint32_t get_id32be(const char* s) {
return (uint32_t)(s[0] << 24) | (s[1] << 16) | (s[2] << 8) | (s[3] << 0);
}
/* less common functions, no need to inline */
int round10(int val);