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imxtools/sbtools: fix file type detection

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Change-Id: I872e98f5810df3ecc975e025385f9c5ca7b47a44
This commit is contained in:
Amaury Pouly 2013-01-26 16:50:50 +00:00
parent 75df5c2684
commit 5b00e59614
1 changed files with 8 additions and 4 deletions
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12
utils/imxtools/sbtools/sbtoelf.c
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@ -267,6 +267,9 @@ enum sb_version_guess_t guess_sb_version(const char *filename)
FILE *f = fopen(filename, "rb");
if(f == NULL)
bugp("Cannot open file for reading\n");
fseek(f, 0, SEEK_END);
long file_size = ftell(f);
fseek(f, 0, SEEK_SET);
// check signature
uint8_t sig[4];
if(fseek(f, 20, SEEK_SET))
@ -283,12 +286,13 @@ enum sb_version_guess_t guess_sb_version(const char *filename)
ret(SB_VERSION_UNK);
if(hdr_size == 0x34)
ret(SB_VERSION_1);
// check header size (v2)
if(fseek(f, 32, SEEK_SET))
// check image size (v2)
uint32_t img_size;
if(fseek(f, 28, SEEK_SET))
ret(SB_VERSION_UNK);
if(fread(&hdr_size, 4, 1, f) != 1)
if(fread(&img_size, 4, 1, f) != 1)
ret(SB_VERSION_UNK);
if(hdr_size == 0xc)
if(img_size * 16 == (uint32_t)file_size)
ret(SB_VERSION_2);
ret(SB_VERSION_UNK);
#undef ret