C编译：错误：在程序中丢失'\ 4';八进制流？ [英] C Compiling: error: stray '\4' in program ; octal flow?
问题描述
cc 编译好的文件， cc -Wall -Wextra -Wunreachable-code -ggdb -O0 * .c
ar cru liborientdb-ca * .o
<3>工作正常。但是，当我编译包含第1行中的库的c ++程序testme.cpp时，请仔细阅读以下内容：
（testme的第1行。 cpp）
#includeliborientdb-ca
编译步骤：
cc testme.cpp
我得到这个错误：
liborientdb-ca：117：22：error：stray'\3'in program
liborientdb-ca：117：263：警告：null字符被忽略[默认情况下启用]
liborientdb-ca：117：22：错误：程序中的'\17'错误
liborientdb-ca：117：265：警告：忽略空字符[默认情况下启用]
liborientdb-ca：117：283：警告：空字符被忽略[默认情况下启用]
liborientdb-ca：117：22：错误：在程序
中丢失'\22'liborientdb-ca：117：287：警告：空字符被忽略[默认情况下启用]
liborientdb-ca ：程序
liborientdb-ca：117：289：警告：空ch：117：22：error：stray'\1'字符（s）被忽略[默认情况下启用]
liborientdb-ca：117：22：错误：在程序
....中丢失'\362'
因此，遵循其他人的建议这里，我相信这些错误可能是由于编码混乱。
因此，我使用'od -c'并尝试追踪八进制流变得混乱的地方。我的一个.o文件在'od -c'之后的输出看起来很糟糕，所以我认为这可能是原因。
EG。
0000000 177 ELF 002 001 001 \0\\\\\\\\\\\\\\\\\\\\\ \0
0000020 001 \0> \0 001 \0 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ 0 \0 \0\\\\\\\\\\\\\\\\\\'\\\\\\\\' \0 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ ？
0000120 H 213 E？H 213 \ 0 H 213 @ \ H 205？t 023
0000140 H 213 E？H 213 \ 0 H 213 @ \ H 211？？ \0
我该如何解决这个问题？我实际上是遵循了这里并运行在我的lib源文件上
recode UTF8..ISO-8859-15 * .c
答案是f iles保持不变（最后修改的日期仍然是旧的）然后我打开我的.c文件，看到它们是UTF-8，这显然是ASCII的一个子集，所以这看起来没有问题。
但是.o文件看起来很奇怪。
如何继续??? <解决方案
.a文件不是C源文件。或者甚至是文本文件。
通常，.a文件被添加到编译的最后一个链接行。
cc -o something file.o file2.o liborientdb-ca etc等等
Trying to compile a load of .c files
(1) The files compile ok, using cc
cc -Wall -Wextra -Wunreachable-code -ggdb -O0 *.c
(2) Then, I need to make a static library from the final output, to use in a c++ program. So I do:
ar cru liborientdb-c.a *.o
(3) Works ok. However when I come to compile the c++ program testme.cpp that includes the library in line #1
(line 1 of testme.cpp)
#include "liborientdb-c.a"
Compile step:
cc testme.cpp
i get this error:
liborientdb-c.a:117:22: error: stray '\3' in program
liborientdb-c.a:117:263: warning: null character(s) ignored [enabled by default]
liborientdb-c.a:117:22: error: stray '\17' in program
liborientdb-c.a:117:265: warning: null character(s) ignored [enabled by default]
liborientdb-c.a:117:283: warning: null character(s) ignored [enabled by default]
liborientdb-c.a:117:22: error: stray '\22' in program
liborientdb-c.a:117:287: warning: null character(s) ignored [enabled by default]
liborientdb-c.a:117:22: error: stray '\1' in program
liborientdb-c.a:117:289: warning: null character(s) ignored [enabled by default]
liborientdb-c.a:117:22: error: stray '\362' in program
....
So, following the advice on some others posts here, i believe the errors could be due to messed up encoding.
So i used 'od -c' and to try and trace where the "octal flow" is getting messed up. The output for one of my .o files after with 'od -c' looks pretty bad, so i think that could be the reason.
EG.
0000000 177 E L F 002 001 001 \0 \0 \0 \0 \0 \0 \0 \0 \0
0000020 001 \0 > \0 001 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0 \0
0000040 \0 \0 \0 \0 \0 \0 \0 \0 ` ( \0 \0 \0 \0 \0 \0
0000060 \0 \0 \0 \0 @ \0 \0 \0 \0 \0 @ \0 026 \0 023 \0
0000100 U H 211 ? H 203 ? 020 H 211 } ? H 211 u ?
0000120 H 213 E ? H 213 \0 H 213 @ \b H 205 ? t 023
0000140 H 213 E ? H 213 \0 H 213 @ \b H 211 ? ? \0
How can i fix this though? I actually followed the advice here and ran on my lib source files
recode UTF8..ISO-8859-15 *.c
The response is the files remain unchanged (the last modified date is still old). So then I open my .c files and see they are in UTF-8, which is apparently a subset of ASCII. So it would seem no issue then.
But the .o files still look weird.
How to proceed ???
#include "liborientdb-c.a"
.a files are not C source files. Or even text files for that matter.
Usually, the .a files are added on the final link line of the compilation.
cc -o something file.o file2.o liborientdb-c.a etc etc
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