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[Qemu-devel] [PATCH 07/11] Introduce get_next_param_value
From: |
Jan Kiszka |
Subject: |
[Qemu-devel] [PATCH 07/11] Introduce get_next_param_value |
Date: |
Fri, 08 May 2009 12:34:18 +0200 |
User-agent: |
StGIT/0.14.2 |
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 <address@hidden>
---
sysemu.h | 2 ++
vl.c | 17 +++++++++++++----
2 files changed, 15 insertions(+), 4 deletions(-)
diff --git a/sysemu.h b/sysemu.h
index 50438a6..4b0ae99 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -257,6 +257,8 @@ const char *get_opt_name(char *buf, int buf_size, const
char *p, char delim);
const char *get_opt_value(char *buf, int buf_size, const char *p);
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);
diff --git a/vl.c b/vl.c
index 8b641f5..4982486 100644
--- a/vl.c
+++ b/vl.c
@@ -1844,20 +1844,23 @@ const char *get_opt_value(char *buf, int buf_size,
const char *p)
return p;
}
-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);
@@ -1869,6 +1872,12 @@ 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)
{