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MINOR: log: add lf_text_len

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This function allows to log a text of a specific length.
This commit is contained in:
Willy Tarreau 2012-12-21 19:23:44 +01:00
parent e7ad4bb2f0
commit 2b0108adf6
2 changed files with 29 additions and 42 deletions
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2
include/proto/log.h
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@ -122,7 +122,7 @@ int get_log_facility(const char *fac);
*
* Return the adress of the \0 character, or NULL on error
*/
char *lf_text(char *dst, const char *src, size_t size, struct logformat_node *node);
char *lf_text_len(char *dst, const char *src, size_t len, size_t size, struct logformat_node *node);
/*
* Write a IP adress to the log string

69
src/log.c
View File

@ -510,53 +510,40 @@ int get_log_facility(const char *fac)
*
* Return the adress of the \0 character, or NULL on error
*/
char *lf_text(char *dst, const char *src, size_t size, struct logformat_node *node)
char *lf_text_len(char *dst, const char *src, size_t len, size_t size, struct logformat_node *node)
{
int n;
if (size < 2)
return NULL;
if (src == NULL || *src == '\0') {
if (node->options & LOG_OPT_QUOTE) {
if (size > 2) {
*(dst++) = '"';
*(dst++) = '"';
*dst = '\0';
} else {
dst = NULL;
return dst;
}
} else {
if (size > 1) {
*(dst++) = '-';
*dst = '\0';
} else { // error no space available
dst = NULL;
return dst;
}
}
} else {
if (node->options & LOG_OPT_QUOTE) {
if (size-- > 1 ) {
*(dst++) = '"';
} else {
dst = NULL;
return NULL;
}
n = strlcpy2(dst, src, size);
size -= n;
dst += n;
if (size > 1) {
*(dst++) = '"';
*dst = '\0';
} else {
dst = NULL;
}
} else {
dst += strlcpy2(dst, src, size);
}
if (node->options & LOG_OPT_QUOTE) {
*(dst++) = '"';
size--;
}
if (src) {
if (++len > size)
len = size;
len = strlcpy2(dst, src, len);
size -= len;
dst += len;
}
if (node->options & LOG_OPT_QUOTE) {
if (size < 2)
return NULL;
*(dst++) = '"';
}
*dst = '\0';
return dst;
}
static inline char *lf_text(char *dst, const char *src, size_t size, struct logformat_node *node)
{
return lf_text_len(dst, src, size, size, node);
}
/*
* Write a IP adress to the log string
* +X option write in hexadecimal notation, most signifant byte on the left