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qt-faststart: dont allocate a bigger buffer than needed

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-09-30 21:52:59 +02:00
parent f4d9148fe2
commit 610efb6773
1 changed files with 5 additions and 2 deletions
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7
tools/qt-faststart.c
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@ -37,6 +37,8 @@
#define ftello(x) _ftelli64(x) #define ftello(x) _ftelli64(x)
#endif #endif
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
#define BE_16(x) ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1]) #define BE_16(x) ((((uint8_t*)(x))[0] << 8) | ((uint8_t*)(x))[1])
#define BE_32(x) ((((uint8_t*)(x))[0] << 24) | \ #define BE_32(x) ((((uint8_t*)(x))[0] << 24) | \
@ -293,9 +295,10 @@ int main(int argc, char *argv[])
} }
/* copy the remainder of the infile, from offset 0 -> last_offset - 1 */ /* copy the remainder of the infile, from offset 0 -> last_offset - 1 */
copy_buffer = malloc(COPY_BUFFER_SIZE); bytes_to_copy = FFMIN(COPY_BUFFER_SIZE, last_offset);
copy_buffer = malloc(bytes_to_copy);
if (!copy_buffer) { if (!copy_buffer) {
printf("could not allocate %"PRIu64" bytes for copy_buffer\n", COPY_BUFFER_SIZE); printf("could not allocate %"PRIu64" bytes for copy_buffer\n", bytes_to_copy);
goto error_out; goto error_out;
} }
printf(" copying rest of file...\n"); printf(" copying rest of file...\n");