C语言读写配置文件(多示例).docx

C语言读写配置文件11、CException.h1File.h2File.c3C语言读取配置文件版本27C语言读写配置文件1、CException.h/*/ /* */ /*/ /*/ #include stdio.h #include conio.h #include signal.h #include setjmp.h #include assert.h #ifdef _cplusplus #include iostream #include exception extern C #define dllexport _declspec(dllexport) jmp_buf Jmp_Buf; int E; #define Exception 0x00000 #define e Exception #define try if(!(E=setjmp(Jmp_Buf) #define last_error() E #define catch(val) else #define throw(val) longjmp(Jmp_Buf,val) #define check(expersion) assert(expersion) #define GetError() errno dllexport void sig_usr(int); dllexport char* getTime(); #else #define dllexport _declspec(dllexport) jmp_buf Jmp_Buf; int E; #define Exception 0x00000 #define e Exception #define try if(!(E=setjmp(Jmp_Buf) #define last_error() E #define catch(val) else #define throw(val) longjmp(Jmp_Buf,val) #define check(expersion) assert(expersion) #define GetError() errno dllexport void sig_usr(int); dllexport char* getTime(); #endif File.h#include #include #include #include #define SIZE 128 #include CException.h #define export _declspec(dllexport) /读取配置文件. int read_file(char* filename,char* key,char* value); /写配置文件. int write_file(char* filename,char* key,char* value); /释放文件. int release(); /写入节. int write_section(char* filename,char* section); int read_section(char* filename); int getAuthor(char* value); void getVersion(char* value);File.c#include File.h #include int read_file(char* filename,char* key,char* value) int flag=0; char bufferSIZE; FILE *file=fopen(filename,r); try if(file=NULL) flag=1; throw(flag); else while(fgets(buffer,SIZE,file)!=NULL) int i=0,j=0,len=strlen(key); while(bufferi!=0) if(bufferi=$&bufferi+len+1=) j=i+len+2; while(bufferj!=0&bufferj!=;) int h=0; if(bufferi+1=keyi) /printf(%c,bufferj); valuej-i-len-2=bufferj; j+; break; else if(bufferi=/&bufferi+1=/|bufferi=;) break; /comment i+; catch(Exception) flag=2; fclose(file); printf(cant open file %s,filename); exit(1); fflush(file); fclose(file); return flag; int write_file(char* filename,char* key,char* value) int flag=0; FILE* file; file=fopen(filename,a); try if(file=NULL) flag=1; throw(flag); fprintf(file,$%s=%sn,key,value); catch(Exception) printf(Cant write file %s,filename); exit(1); fflush(file); fclose(file); return flag; int write_section(char* filename,char* section) int flag=0; FILE* file=NULL; try file=fopen(filename,a); if(file!=NULL) fprintf(file,%sn,section); else int flag=1; throw(flag); catch(Exception) printf(cant open file %s,filename); exit(0); fflush(file); fclose(file); return flag; int release() int flag=1; return flag; int read_section(char* filename) return 0; int getAuthor(char* value) char author128=武汉软件工程职业学院计算机应用系孟德军; int i=0; for(i=0;istrlen(author);i+) valuei=authori; return 0; void getVersion(char* value) char version128=2009/05/01; int i=0; for(i=0;istrlen(version);i+) valuei=versioni; /* void main() char* str=NULL; char author120; char buffer128; char buffer1128; char buffer2128; read_file(F:exerciseC+!Csys.ini,password,buffer); read_file(F:exerciseC+!Csys.ini,username,buffer1); read_file(F:exerciseC+!Csys.ini,driver,buffer2); printf(password=%sn,buffer); printf(n); printf(username=%sn,buffer1); printf(n); printf(driver=%sn,buffer2); getAuthor(author); printf(n); printf(author=%s,author); release(); C语言读取配置文件版本2#include #include #include #include #include #define KEYVALLEN 100/* 删除左边的空格 */char* l_trim(char* szOutput, constchar*szInput)assert(szInput != NULL);assert(szOutput != NULL);assert(szOutput != szInput);for(NULL; *szInput != 0& isspace(*szInput); +szInput);returnstrcpy(szOutput, szInput);/* 删除右边的空格 */char*r_trim(char*szOutput, constchar*szInput)char*p = NULL;assert(szInput != NULL);assert(szOutput != NULL);assert(szOutput != szInput);strcpy(szOutput, szInput);for(p = szOutput + strlen(szOutput) - 1; p = szOutput & isspace(*p); -p);*(+p) = 0;returnszOutput;/* 删除两边的空格 */char* a_trim(char* szOutput, constchar* szInput)char*p = NULL;assert(szInput != NULL);assert(szOutput != NULL);l_trim(szOutput, szInput);for(p = szOutput + strlen(szOutput) - 1;p = szOutput & isspace(*p); -p);*(+p) = 0;returnszOutput;intGetProfileString(char*profile, char*AppName, char*KeyName, char*KeyVal )charappname32,keyname32;char*buf,*c;charbuf_iKEYVALLEN, buf_oKEYVALLEN;FILE*fp;intfound=0; /* 1 AppName 2 KeyName */if( (fp=fopen( profile,r)=NULL )printf( openfile %s error %sn,profile,strerror(errno) );return(-1);fseek( fp, 0, SEEK_SET );memset( appname, 0, sizeof(appname) );sprintf( appname,%s, AppName );while( !feof(fp) & fgets( buf_i, KEYVALLEN, fp )!=NULL )l_trim(buf_o, buf_i);i