diff options
Diffstat (limited to 'ext/mysql/libmysql/default.c')
| -rw-r--r-- | ext/mysql/libmysql/default.c | 384 |
1 files changed, 0 insertions, 384 deletions
diff --git a/ext/mysql/libmysql/default.c b/ext/mysql/libmysql/default.c deleted file mode 100644 index d9dbfcf1c6..0000000000 --- a/ext/mysql/libmysql/default.c +++ /dev/null @@ -1,384 +0,0 @@ -/* Copyright Abandoned 1996 TCX DataKonsult AB & Monty Program KB & Detron HB -This file is public domain and comes with NO WARRANTY of any kind */ - -/**************************************************************************** -** Add all options from files named "group".cnf from the default_directories -** before the command line arguments. -** On Windows defaults will also search in the Windows directory for a file -** called 'group'.ini -** As long as the program uses the last argument for conflicting -** options one only have to add a call to "load_defaults" to enable -** use of default values. -** pre- and end 'blank space' are removed from options and values. The -** following escape sequences are recognized in values: \b \t \n \r \\ -** -** The following arguments are handled automaticly; If used, they must be -** first argument on the command line! -** --no-defaults ; no options are read. -** --defaults-file=full-path-to-default-file ; Only this file will be read. -** --defaults-extra-file=full-path-to-default-file ; Read this file before ~/ -** --print-defaults ; Print the modified command line and exit -****************************************************************************/ - -#undef SAFEMALLOC /* safe_malloc is not yet initailized */ - -#include "mysys_priv.h" -#include "m_string.h" -#include "m_ctype.h" - -char *defaults_extra_file=0; - -/* Which directories are searched for options (and in which order) */ - -const char *default_directories[]= { -#ifdef __WIN__ -"C:/", -#else -"/etc/", -#endif -#ifdef DATADIR -DATADIR, -#endif -"", /* Place for defaults_extra_dir */ -#ifndef __WIN__ -"~/", -#endif -NullS, -}; - -#define default_ext ".cnf" /* extension for config file */ -#ifdef __WIN__ -#include <winbase.h> -#define windows_ext ".ini" -#endif - -static my_bool search_default_file(DYNAMIC_ARRAY *args, MEM_ROOT *alloc, - const char *dir, const char *config_file, - const char *ext, TYPELIB *group); - - -void load_defaults(const char *conf_file, const char **groups, - int *argc, char ***argv) -{ - DYNAMIC_ARRAY args; - const char **dirs, *forced_default_file; - TYPELIB group; - my_bool found_print_defaults=0; - uint args_used=0; - MEM_ROOT alloc; - char *ptr,**res; - DBUG_ENTER("load_defaults"); - - init_alloc_root(&alloc,128,0); - if (*argc >= 2 && !strcmp(argv[0][1],"--no-defaults")) - { - /* remove the --no-defaults argument and return only the other arguments */ - uint i; - if (!(ptr=(char*) alloc_root(&alloc,sizeof(alloc)+ - (*argc + 1)*sizeof(char*)))) - goto err; - res= (char**) (ptr+sizeof(alloc)); - res[0]= **argv; /* Copy program name */ - for (i=2 ; i < (uint) *argc ; i++) - res[i-1]=argv[0][i]; - (*argc)--; - *argv=res; - *(MEM_ROOT*) ptr= alloc; /* Save alloc root for free */ - DBUG_VOID_RETURN; - } - - /* Check if we want to force the use a specific default file */ - forced_default_file=0; - if (*argc >= 2) - { - if (is_prefix(argv[0][1],"--defaults-file=")) - { - forced_default_file=strchr(argv[0][1],'=')+1; - args_used++; - } - else if (is_prefix(argv[0][1],"--defaults-extra-file=")) - { - defaults_extra_file=strchr(argv[0][1],'=')+1; - args_used++; - } - } - - group.count=0; - group.name= "defaults"; - group.type_names= groups; - for (; *groups ; groups++) - group.count++; - - if (init_dynamic_array(&args, sizeof(char*),*argc, 32)) - goto err; - if (forced_default_file) - { - if (search_default_file(&args, &alloc, "", forced_default_file, "", - &group)) - goto err; - } - else if (dirname_length(conf_file)) - { - if (search_default_file(&args, &alloc, NullS, conf_file, default_ext, - &group)) - goto err; - } - else - { -#ifdef __WIN__ - char system_dir[FN_REFLEN]; - GetWindowsDirectory(system_dir,sizeof(system_dir)); - if (search_default_file(&args, &alloc, system_dir, conf_file, windows_ext, - &group)) - goto err; -#endif -#ifdef __EMX__ - if (getenv("ETC") && - search_default_file(&args, &alloc, getenv("ETC"), conf_file, - default_ext, &group)) - goto err; -#endif - for (dirs=default_directories ; *dirs; dirs++) - { - int error=0; - if (**dirs) - error=search_default_file(&args, &alloc, *dirs, conf_file, - default_ext, &group); - else if (defaults_extra_file) - error=search_default_file(&args, &alloc, NullS, defaults_extra_file, - default_ext, &group); - if (error) - goto err; - } - } - if (!(ptr=(char*) alloc_root(&alloc,sizeof(alloc)+ - (args.elements + *argc +1) *sizeof(char*)))) - goto err; - res= (char**) (ptr+sizeof(alloc)); - - /* copy name + found arguments + command line arguments to new array */ - res[0]=argv[0][0]; - memcpy((gptr) (res+1), args.buffer, args.elements*sizeof(char*)); - /* Skipp --defaults-file and --defaults-extra-file */ - (*argc)-= args_used; - (*argv)+= args_used; - - /* Check if we wan't to see the new argument list */ - if (*argc >= 2 && !strcmp(argv[0][1],"--print-defaults")) - { - found_print_defaults=1; - --*argc; ++*argv; /* skipp argument */ - } - - memcpy((gptr) (res+1+args.elements), (char*) ((*argv)+1), - (*argc-1)*sizeof(char*)); - res[args.elements+ *argc]=0; /* last null */ - - (*argc)+=args.elements; - *argv= (char**) res; - *(MEM_ROOT*) ptr= alloc; /* Save alloc root for free */ - delete_dynamic(&args); - if (found_print_defaults) - { - int i; - printf("%s would have been started with the following arguments:\n", - **argv); - for (i=1 ; i < *argc ; i++) - printf("%s ", (*argv)[i]); - puts(""); - exit(1); - } - DBUG_VOID_RETURN; - - err: - fprintf(stderr,"Program aborted\n"); - exit(1); -} - - -void free_defaults(char **argv) -{ - MEM_ROOT ptr; - memcpy_fixed((char*) &ptr,(char *) argv - sizeof(ptr), sizeof(ptr)); - free_root(&ptr,MYF(0)); -} - - -static my_bool search_default_file(DYNAMIC_ARRAY *args, MEM_ROOT *alloc, - const char *dir, const char *config_file, - const char *ext, TYPELIB *group) -{ - char name[FN_REFLEN+10],buff[FN_REFLEN+1],*ptr,*end,*value,*tmp; - FILE *fp; - uint line=0; - my_bool read_values=0,found_group=0; - - if ((dir ? strlen(dir) : 0 )+strlen(config_file) >= FN_REFLEN-3) - return 0; /* Ignore wrong paths */ - if (dir) - { - strmov(name,dir); - convert_dirname(name); - if (dir[0] == FN_HOMELIB) /* Add . to filenames in home */ - strcat(name,"."); - strxmov(strend(name),config_file,ext,NullS); - } - else - { - strmov(name,config_file); - } - if (!(fp = my_fopen(fn_format(name,name,"","",4),O_RDONLY,MYF(0)))) - return 0; /* Ignore wrong files */ - - while (fgets(buff,sizeof(buff)-1,fp)) - { - line++; - /* Ignore comment and empty lines */ - for (ptr=buff ; isspace(*ptr) ; ptr++ ) ; - if (*ptr == '#' || *ptr == ';' || !*ptr) - continue; - if (*ptr == '[') /* Group name */ - { - found_group=1; - if (!(end=(char *) strchr(++ptr,']'))) - { - fprintf(stderr, - "error: Wrong group definition in config file: %s at line %d\n", - name,line); - goto err; - } - for ( ; isspace(end[-1]) ; end--) ; /* Remove end space */ - end[0]=0; - read_values=find_type(ptr,group,3) > 0; - continue; - } - if (!found_group) - { - fprintf(stderr, - "error: Found option without preceding group in config file: %s at line: %d\n", - name,line); - goto err; - } - if (!read_values) - continue; - if (!(end=value=strchr(ptr,'='))) - end=strend(ptr); /* Option without argument */ - for ( ; isspace(end[-1]) ; end--) ; - if (!value) - { - if (!(tmp=alloc_root(alloc,(uint) (end-ptr)+3))) - goto err; - strmake(strmov(tmp,"--"),ptr,(uint) (end-ptr)); - if (insert_dynamic(args,(gptr) &tmp)) - goto err; - } - else - { - /* Remove pre- and end space */ - char *value_end; - for (value++ ; isspace(*value); value++) ; - value_end=strend(value); - for ( ; isspace(value_end[-1]) ; value_end--) ; - if (value_end < value) /* Empty string */ - value_end=value; - if (!(tmp=alloc_root(alloc,(uint) (end-ptr)+3 + - (uint) (value_end-value)+1))) - goto err; - if (insert_dynamic(args,(gptr) &tmp)) - goto err; - ptr=strnmov(strmov(tmp,"--"),ptr,(uint) (end-ptr)); - *ptr++= '='; - for ( ; value != value_end; value++) - { - if (*value == '\\' && value != value_end-1) - { - switch(*++value) { - case 'n': - *ptr++='\n'; - break; - case 't': - *ptr++= '\t'; - break; - case 'r': - *ptr++ = '\r'; - break; - case 'b': - *ptr++ = '\b'; - break; - case 's': - *ptr++= ' '; /* space */ - break; - case '\\': - *ptr++= '\\'; - break; - default: /* Unknown; Keep '\' */ - *ptr++= '\\'; - *ptr++= *value; - break; - } - } - else - *ptr++= *value; - } - *ptr=0; - } - } - my_fclose(fp,MYF(0)); - return(0); - - err: - my_fclose(fp,MYF(0)); - return 1; -} - - -void print_defaults(const char *conf_file, const char **groups) -{ -#ifdef __WIN__ - bool have_ext=fn_ext(conf_file)[0] != 0; -#endif - char name[FN_REFLEN]; - const char **dirs; - puts("\nDefault options are read from the following files in the given order:"); - - if (dirname_length(conf_file)) - fputs(conf_file,stdout); - else - { -#ifdef __WIN__ - GetWindowsDirectory(name,sizeof(name)); - printf("%s\\%s%s ",name,conf_file,have_ext ? "" : windows_ext); -#endif -#ifdef __EMX__ - if (getenv("ETC")) - printf("%s\\%s%s ", getenv("ETC"), conf_file, default_ext); -#endif - for (dirs=default_directories ; *dirs; dirs++) - { - if (**dirs) - strmov(name,*dirs); - else if (defaults_extra_file) - strmov(name,defaults_extra_file); - else - continue; - convert_dirname(name); - if (name[0] == FN_HOMELIB) /* Add . to filenames in home */ - strcat(name,"."); - strxmov(strend(name),conf_file,default_ext," ",NullS); - fputs(name,stdout); - } - puts(""); - } - fputs("The following groups are read:",stdout); - for ( ; *groups ; groups++) - { - fputc(' ',stdout); - fputs(*groups,stdout); - } - puts("\nThe following options may be given as the first argument:\n\ ---print-defaults Print the program argument list and exit\n\ ---no-defaults Don't read default options from any options file\n\ ---defaults-file=# Only read default options from the given file #\n\ ---defaults-extra-file=# Read this file after the global files are read"); -} - |