mirror of https://github.com/jeelabs/esp-link.git
Benjamin Runnels
9 years ago
commit
ecafbf7485
@ -1,13 +0,0 @@ |
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CFLAGS=-I../../lib/heatshrink -I.. -std=gnu99 -DESPFS_HEATSHRINK
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espfstest: main.o espfs.o heatshrink_decoder.o |
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$(CC) -o $@ $^
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espfs.o: ../espfs.c |
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$(CC) $(CFLAGS) -c $^ -o $@
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heatshrink_decoder.o: ../heatshrink_decoder.c |
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$(CC) $(CFLAGS) -c $^ -o $@
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clean: |
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rm -f *.o espfstest
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@ -1,67 +0,0 @@ |
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/*
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Simple and stupid file decompressor for an espfs image. Mostly used as a testbed for espfs.c and
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the decompressors: code compiled natively is way easier to debug using gdb et all :) |
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*/ |
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#include <stdio.h> |
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#include <stdint.h> |
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#include <sys/mman.h> |
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#include <sys/types.h> |
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#include <sys/stat.h> |
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#include <fcntl.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include "espfs.h" |
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char *espFsData; |
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int main(int argc, char **argv) { |
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int f, out; |
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int len; |
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char buff[128]; |
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EspFsFile *ef; |
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off_t size; |
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EspFsInitResult ir; |
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if (argc!=3) { |
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printf("Usage: %s espfs-image file\nExpands file from the espfs-image archive.\n", argv[0]); |
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exit(0); |
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} |
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f=open(argv[1], O_RDONLY); |
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if (f<=0) { |
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perror(argv[1]); |
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exit(1); |
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} |
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size=lseek(f, 0, SEEK_END); |
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espFsData=mmap(NULL, size, PROT_READ, MAP_SHARED, f, 0); |
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if (espFsData==MAP_FAILED) { |
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perror("mmap"); |
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exit(1); |
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} |
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ir=espFsInit(espFsData); |
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if (ir != ESPFS_INIT_RESULT_OK) { |
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printf("Couldn't init espfs filesystem (code %d)\n", ir); |
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exit(1); |
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} |
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ef=espFsOpen(argv[2]); |
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if (ef==NULL) { |
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printf("Couldn't find %s in image.\n", argv[2]); |
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exit(1); |
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} |
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out=open(argv[2], O_WRONLY|O_CREAT|O_TRUNC, 0644); |
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if (out<=0) { |
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perror(argv[2]); |
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exit(1); |
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} |
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while ((len=espFsRead(ef, buff, 128))!=0) { |
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write(out, buff, len); |
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} |
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espFsClose(ef); |
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//munmap, close, ... I can't be bothered.
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} |
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