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Introduce get_next_param_value 

In order to parse multiple instances of the same param=value pair,
introduce get_next_param_value which can pass back to string parsing
position after reading a parameter value.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Jan Kiszka 2009-06-24 14:42:28 +02:00 committed by Anthony Liguori
parent e15f4a992c
commit 5db4af8bc8
2 changed files with 15 additions and 4 deletions
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2
sysemu.h
View File

@ -275,6 +275,8 @@ void usb_info(Monitor *mon);
int get_param_value(char *buf, int buf_size,
const char *tag, const char *str);
int get_next_param_value(char *buf, int buf_size,
const char *tag, const char **pstr);
int check_params(char *buf, int buf_size,
const char * const *params, const char *str);

17
vl.c
View File

@ -1812,20 +1812,23 @@ static int socket_init(void)
}
#endif
int get_param_value(char *buf, int buf_size,
const char *tag, const char *str)
int get_next_param_value(char *buf, int buf_size,
const char *tag, const char **pstr)
{
const char *p;
char option[128];
p = str;
p = *pstr;
for(;;) {
p = get_opt_name(option, sizeof(option), p, '=');
if (*p != '=')
break;
p++;
if (!strcmp(tag, option)) {
(void)get_opt_value(buf, buf_size, p);
*pstr = get_opt_value(buf, buf_size, p);
if (**pstr == ',') {
(*pstr)++;
}
return strlen(buf);
} else {
p = get_opt_value(NULL, 0, p);
@ -1837,6 +1840,12 @@ int get_param_value(char *buf, int buf_size,
return 0;
}
int get_param_value(char *buf, int buf_size,
const char *tag, const char *str)
{
return get_next_param_value(buf, buf_size, tag, &str);
}
int check_params(char *buf, int buf_size,
const char * const *params, const char *str)
{