New file default_modify.c. Fixed a typo on mysqld.cc

Changed name of function my_correct_default_file to
modify_defaults_file. Improved function and fixed some
bugs in it.


include/my_sys.h:
  Changed function name.
include/mysql_com.h:
  New function, modify_defaults_file()
libmysql/Makefile.shared:
  New file, default_modify.lo
libmysql/libmysql.def:
  New function, modify_defaults_file() and fixed version number.
libmysqld/libmysqld.def:
  New function, modify_defaults_file()
mysys/Makefile.am:
  New file, default_modify.c
mysys/default.c:
  Removed function from default.c. New, corresponding one is in default_modify.c,
  name is modify_defaults_file.
server-tools/instance-manager/commands.cc:
  Changed function name.
sql/mysqld.cc:
  Fixed typo.

1 files changed, 0 insertions, 135 deletions

diff --git a/mysys/default.c b/mysys/default.c
index ee7cbeb1530..a9f3f4092ef 100644
--- a/mysys/default.c
+++ b/mysys/default.c
@@ -81,141 +81,6 @@ static void init_default_directories();
 
 static char *remove_end_comment(char *ptr);
 
-/*
-  Add/remove option to the option file section.
-
-  SYNOPSYS
-    my_correct_defaults_file()
-    file_location     The location of configuration file to edit
-    option            option to look for
-    option_value      The value of the option we would like to set
-    section_name      the name of the section
-    remove_option     This is true if we want to remove the option.
-                      False otherwise.
-  IMPLEMENTATION
-    We open the option file first, then read the file line-by-line,
-    looking for the section we need. At the same time we put these lines
-    into a buffer. Then we look for the option within this section and
-    change/remove it. In the end we get a buffer with modified version of the
-    file. Then we write it to the file, truncate it if needed and close it.
-
-  RETURN
-    0 - ok
-    1 - some error has occured. Probably due to the lack of resourses
-   -1 - cannot open the file
-*/
-
-int my_correct_defaults_file(const char *file_location, const char *option,
-                             const char *option_value,
-                             const char *section_name, int remove_option)
-{
-  FILE *cnf_file;
-  struct stat file_stat;
-  char linebuff[512], *ptr;
-  uint optlen;
-  uint len;
-  char *file_buffer;
-  uint position= 0;
-  int is_found= FALSE;
-  DBUG_ENTER("my_correct_defaults_file");
-
-  optlen= strlen(option);
-
-  if (!(cnf_file= my_fopen(file_location, O_RDWR, MYF(0))))
-    goto err_fopen;
-
-  /* my_fstat doesn't use the flag parameter */
-  if (my_fstat(fileno(cnf_file), &file_stat, MYF(0)))
-    goto err;
-
-  /*
-    Reserve space to read the contents of the file and some more
-    for the option we want ot add.
-  */
-  file_buffer= (char*) my_malloc(sizeof(char)*
-                       (file_stat.st_size + /* current file size */
-                        optlen +            /* option name len */
-                        2 +                 /* reserve space for newline */
-                        1 +                 /* reserve for '=' char */
-                        strlen(option_value)),  /* option value len */
-                        MYF(MY_WME));
-
-  if (!file_buffer)
-    goto malloc_err;
-  while (fgets(linebuff, sizeof(linebuff), cnf_file))
-  {
-    len= strlen(linebuff);
-
-    /* if the section is found traverse it */
-    if (is_found)
-    {
-      /* skip the old value of the option we are changing */
-      if (strncmp(linebuff, option, optlen))
-      {
-        /* copy all other lines */
-        strmake(file_buffer + position, linebuff, len);
-        position+= len;
-      }
-    }
-    else
-    {
-      strmake(file_buffer + position, linebuff, len);
-      position+= len;
-    }
-
-
-    /* looking for appropriate section */
-    for (ptr= linebuff ; my_isspace(&my_charset_latin1,*ptr) ; ptr++)
-    {}
-
-    if (*ptr == '[')
-    {
-      /* copy the line to the buffer */
-      if (!strncmp(++ptr, section_name, strlen(section_name)))
-      {
-        is_found= TRUE;
-        /* add option */
-        if (!remove_option)
-        {
-          strmake(file_buffer + position, option, optlen);
-          position+= optlen;
-          if (*option_value)
-          {
-            *(file_buffer + position++)= '=';
-            strmake(file_buffer + position, option_value,
-                    strlen(option_value));
-            position+= strlen(option_value);
-          }
-          /* add a newline */
-          strcat(file_buffer + position, NEWLINE);
-          position+= strlen(NEWLINE);
-        }
-      }
-      else
-        is_found= FALSE; /* mark that this section is of no interest to us */
-    }
-
-  }
-
-  if (my_chsize(fileno(cnf_file), position, 0, MYF(MY_WME)) ||
-      my_fseek(cnf_file, 0, MY_SEEK_SET, MYF(0)) ||
-      my_fwrite(cnf_file, file_buffer, position, MYF(MY_NABP)) ||
-      my_fclose(cnf_file, MYF(MY_WME)))
-     goto err;
-
-  my_free(file_buffer, MYF(0));
-
-  DBUG_RETURN(0);
-
-err:
-  my_free(file_buffer, MYF(0));
-malloc_err:
-  my_fclose(cnf_file, MYF(0));
-  DBUG_RETURN(1); /* out of resources */
-err_fopen:
-  DBUG_RETURN(-1); /* cannot access the option file */
-}
-
 
 /*
   Process config files in default directories.