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jpec's Issues

jpec_huff_encode_block simplification

in jpec_huff_encode_block:
why not:

  jpec_huff_state_t state;
  state.buffer = h->state.buffer;
  state.nbits = h->state.nbits;
  state.dc = h->state.dc;
  state.buf = buf;
  jpec_huff_encode_block_impl(block, &state);
  h->state.buffer = state.buffer;
  h->state.nbits = state.nbits;
  h->state.dc = state.dc;
  h->state.buf = state.buf;

=>

  h->state.buf = buf;
  jpec_huff_encode_block_impl(block, &h->state);

? am I missing something?

ld fails at make

Hi,

I'm getting ld error on running make on freshly cloned project.

cc -std=c99 `pkg-config --cflags --libs opencv` -Iinclude -L. -ljpec main.c -o jpec
/tmp/cczUcblb.o: In function `main':
main.c:(.text+0x1482): undefined reference to `jpec_enc_new'
main.c:(.text+0x1499): undefined reference to `jpec_enc_run'
main.c:(.text+0x14e3): undefined reference to `jpec_enc_del'
collect2: error: ld returned 1 exit status
Makefile:32: recipe for target 'jpec' failed
make: *** [jpec] Error 1

SEGV caused by a READ memory access

hi, i compile this repo with ASAN to do some test, after compiling I feed test.png in this repo and it crash.
compile command: AFL_USE_ASAN=1 make CC=afl-clang-fast LDFLAGS="-lopencv"

and here is the crash info:

AddressSanitizer:DEADLYSIGNAL

==110236==ERROR: AddressSanitizer: SEGV on unknown address 0x000000001c78 (pc 0x0000004f4d2e bp 0x7ffeb85f5cd0 sp 0x7ffeb85f5bc0 T0)
==110236==The signal is caused by a READ memory access.
    #0 0x4f4d2e in load_image /home/bupt/Desktop/jpec/main.c:69:22
    #1 0x4f49b0 in main /home/bupt/Desktop/jpec/main.c:46:20
    #2 0x7ff2c275bc86 in __libc_start_main /build/glibc-CVJwZb/glibc-2.27/csu/../csu/libc-start.c:310
    #3 0x41c759 in _start (/home/bupt/Desktop/jpec/jpec+0x41c759)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/bupt/Desktop/jpec/main.c:69:22 in load_image
==110236==ABORTING

command to reproduce the crash: ./jpec test.png
test.zip

is it some kind of bug?

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