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Post-review fixes + some bugs fixed + several minor features

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This commit is contained in:
petr@mysql.com
2005-02-11 14:21:59 +03:00
parent 0eddb07ff7
commit 6b50b5b087
21 changed files with 593 additions and 376 deletions
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72
server-tools/instance-manager/parse_output.cc
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@@ -14,43 +14,38 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#include "parse.h"
#include <stdio.h>
#include <my_global.h>
#include <my_sys.h>
#include <string.h>
/* buf should be of appropriate size. Otherwise the word will be truncated */
static int get_word(FILE *file, char *buf, size_t size)
{
int currchar;
currchar= getc(file);
/*
Parse output of the given command
/* skip space */
while (my_isspace(default_charset_info, (char) currchar) &&
currchar != EOF && size > 1)
{
currchar= getc(file);
}
SYNOPSYS
parse_output_and_get_value()
while (!my_isspace(default_charset_info, (char) currchar) &&
currchar != EOF && size > 1)
{
*buf++= (char) currchar;
currchar= getc(file);
size--;
}
command the command to execue with popen.
word the word to look for (usually an option name)
result the buffer to store the next word (option value)
result_len self-explanatory
*buf= '\0';
return 0;
}
DESCRIPTION
Parse output of the "command". Find the "word" and return the next one
*/
int parse_output_and_get_value(const char *command, const char *word,
char *result, size_t result_len)
{
FILE *output;
int wordlen;
uint wordlen;
/* should be enought to store the string from the output */
enum { MAX_LINE_LEN= 512 };
char linebuf[MAX_LINE_LEN];
wordlen= strlen(word);
@@ -62,19 +57,32 @@ int parse_output_and_get_value(const char *command, const char *word,
*/
setvbuf(output, NULL, _IOFBF, 0);
get_word(output, result, result_len);
while (strncmp(word, result, wordlen) && *result != '\0')
while (fgets(linebuf, sizeof(linebuf) - 1, output))
{
get_word(output, result, result_len);
uint lineword_len= 0;
char *linep= linebuf;
linebuf[sizeof(linebuf) - 1]= '\0'; /* safety */
/*
Get the word, which might contain non-alphanumeric characters. (Usually
these are '/', '-' and '.' in the path expressions and filenames)
*/
get_word((const char **) &linep, &lineword_len, NONSPACE);
if (!strncmp(word, linep, wordlen) && *result != '\0')
{
/*
If we have found the word, return the next one. This is usually
an option value.
*/
get_word((const char **) &linep, &lineword_len, NONSPACE);
DBUG_ASSERT(result_len > lineword_len);
strncpy(result, linep, lineword_len);
goto pclose;
}
}
/*
If we have found the word, return the next one. This is usually
an option value.
*/
if (*result != '\0')
get_word(output, result, result_len);
pclose:
if (pclose(output))
return 1;