From 640d693922b50347b7af5350cfa43c6e5a2bbac6 Mon Sep 17 00:00:00 2001 From: zhaohe Date: Wed, 1 Jun 2022 19:08:38 +0800 Subject: [PATCH] update --- README.md | 21 +++++++ build.sh | 6 ++ .../sumcheck | Bin 0 -> 11144 bytes .../zsplit | Bin 0 -> 11496 bytes release/v1/x64_ubuntu2004/sumcheck | Bin 0 -> 17056 bytes release/v1/x64_ubuntu2004/zsplit | Bin 0 -> 17136 bytes sumcheck.c | 56 +++++++++++++++++ zsplit.c | 67 +++++++++++++++++++++ 8 files changed, 150 insertions(+) create mode 100644 README.md create mode 100755 build.sh create mode 100755 release/v1/arm32-gcc-linaro-5.4.1.x86_64_arm-linux-gnueabihf/sumcheck create mode 100755 release/v1/arm32-gcc-linaro-5.4.1.x86_64_arm-linux-gnueabihf/zsplit create mode 100755 release/v1/x64_ubuntu2004/sumcheck create mode 100755 release/v1/x64_ubuntu2004/zsplit create mode 100644 sumcheck.c create mode 100644 zsplit.c diff --git a/README.md b/README.md new file mode 100644 index 0000000..b6e1500 --- /dev/null +++ b/README.md @@ -0,0 +1,21 @@ +# 文件分离程序 + +``` +概述: + 这个程序主要解决一些嵌入式系统没有 split指令,无法对大文件进行分离打包 + +Usage: + zsplit 文件名字 + @执行完之后会自动将文件分离成100M为单位大小的文件 + sumcheck + @对文件求一个sum8的和,和的结果用u32保存 + +``` + +# 编译 + +``` +export CC=gcc +./build.sh + +``` \ No newline at end of file diff --git a/build.sh b/build.sh new file mode 100755 index 0000000..cb12e17 --- /dev/null +++ b/build.sh @@ -0,0 +1,6 @@ +#!/bin/bash + +CC=/home/zwsd/Desktop/workspace/project_meditation_capsule/HappySwitchSoundBox/toolchain/gcc-linaro-5.4.1-2017.05-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf-gcc + +${CC} sumcheck.c -o sumcheck +${CC} zsplit.c -o zsplit \ No newline at end of file diff --git a/release/v1/arm32-gcc-linaro-5.4.1.x86_64_arm-linux-gnueabihf/sumcheck b/release/v1/arm32-gcc-linaro-5.4.1.x86_64_arm-linux-gnueabihf/sumcheck new file mode 100755 index 0000000000000000000000000000000000000000..215a90b0c4b3e2c5ac19cfbce8c5c458f04932ed GIT binary patch literal 11144 zcmds7eQ;dWb-(Yum9(~GS+;DDYzk{+2LkM_B+FmeF0v%c7;J20Lrj|X`Dyn_yLi9Y 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} + + while (1) + { + + int readlen = read(fd, data, 100 * 1024 * 1024); + if (readlen <= 0) + { + printf("write end\n"); + break; + } + + for (size_t i = 0; i < readlen; i++) + { + sumcheck += data[i]; + } + + } + printf("sumcheck %d\n", sumcheck); + + return 0; +} diff --git a/zsplit.c b/zsplit.c new file mode 100644 index 0000000..f713651 --- /dev/null +++ b/zsplit.c @@ -0,0 +1,67 @@ +#include +#include +#include +#include +#include +#include +#include + +const char *get_packet_name(const char *filename, int num) +{ + static char buf[256] = {0}; + sprintf(buf, "%s.%d", filename, num); + return buf; +} + +int main(int argc, char const *argv[]) +{ + + //打开输入文件 + + int fd = open(argv[1], O_RDONLY); + if (fd < 0) + { + perror("openfail"); + exit(-1); + } + + int fileindex = 1; + uint32_t sumcheck = 0; + uint8_t *data = malloc(100 * 1024 * 1024); + if (data == NULL) + { + perror("malloc fail"); + exit(-1); + } + + while (1) + { + + int readlen = read(fd, data, 100 * 1024 * 1024); + if (readlen <= 0) + { + printf("write end\n"); + break; + } + + for (size_t i = 0; i < readlen; i++) + { + sumcheck += data[i]; + } + + // + printf("create %s(%d)\n", get_packet_name(argv[1], fileindex), readlen); + int tofd = open(get_packet_name(argv[1], fileindex), O_TRUNC | O_RDWR | O_CREAT,666); + int writenum = write(tofd, data, readlen); + if (writenum != readlen) + { + printf("Error: write fail,writenum!=readlen,%d != %d\n", writenum, readlen); + exit(0); + } + close(tofd); + fileindex++; + } + printf("sumcheck %d\n", sumcheck); + + return 0; +}