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Microoptimise and remove redundant copy of strdup function in calloc_strcat.

This commit is contained in:
Con Kolivas 2012-12-02 18:06:55 +11:00
parent 53c9cdaf56
commit f94cff77e6
3 changed files with 2 additions and 26 deletions

View File

@ -2303,13 +2303,11 @@ static bool submit_upstream_work(struct work *work, CURL *curl, bool resubmit)
/* build JSON-RPC request */
if (work->gbt) {
char *gbt_block, *varint, *header;
char *gbt_block, *varint;
unsigned char data[80];
flip80(data, work->data);
header = bin2hex(data, 80);
gbt_block = calloc_strcat(header);
free(header);
gbt_block = bin2hex(data, 80);
if (work->gbt_txns < 0xfd) {
uint8_t val = work->gbt_txns;

21
util.c
View File

@ -1478,27 +1478,6 @@ void dev_error(struct cgpu_info *dev, enum dev_reason reason)
}
/* Calloc enough memory to fit string s, rounding up to 4 byte alignment */
void *calloc_strcat(char *s)
{
size_t len = strlen(s);
void *ptr = NULL;
if (!len)
goto out;
len += 1;
if (len % 4)
len += 4 - (len % 4);
ptr = calloc(len, 1);
if (unlikely(!ptr))
quit(1, "Failed to calloc ptr in calloc_str");
sprintf(ptr, "%s", s);
out:
return ptr;
}
/* Realloc an existing string to fit an extra string s, appending s to it. */
void *realloc_strcat(char *ptr, char *s)
{

1
util.h
View File

@ -52,7 +52,6 @@ bool extract_sockaddr(struct pool *pool, char *url);
bool auth_stratum(struct pool *pool);
bool initiate_stratum(struct pool *pool);
void dev_error(struct cgpu_info *dev, enum dev_reason reason);
void *calloc_strcat(char *s);
void *realloc_strcat(char *ptr, char *s);
#endif /* __UTIL_H__ */