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Add sds function that can be called with va_list

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This commit is contained in:
Pieter Noordhuis 2010-09-02 19:35:07 +02:00
parent 36c19d03e0
commit 60361e5aac
2 changed files with 15 additions and 6 deletions
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19
src/sds.c
View File

@ -33,7 +33,6 @@
#include "sds.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
#include "zmalloc.h"
@ -156,8 +155,8 @@ sds sdscpy(sds s, char *t) {
return sdscpylen(s, t, strlen(t));
}
sds sdscatprintf(sds s, const char *fmt, ...) {
va_list ap;
sds sdscatvprintf(sds s, const char *fmt, va_list ap) {
va_list cpy;
char *buf, *t;
size_t buflen = 16;
@ -169,9 +168,8 @@ sds sdscatprintf(sds s, const char *fmt, ...) {
if (buf == NULL) return NULL;
#endif
buf[buflen-2] = '\0';
va_start(ap, fmt);
vsnprintf(buf, buflen, fmt, ap);
va_end(ap);
va_copy(cpy,ap);
vsnprintf(buf, buflen, fmt, cpy);
if (buf[buflen-2] != '\0') {
zfree(buf);
buflen *= 2;
@ -184,6 +182,15 @@ sds sdscatprintf(sds s, const char *fmt, ...) {
return t;
}
sds sdscatprintf(sds s, const char *fmt, ...) {
va_list ap;
char *t;
va_start(ap, fmt);
t = sdscatvprintf(s,fmt,ap);
va_end(ap);
return t;
}
sds sdstrim(sds s, const char *cset) {
struct sdshdr *sh = (void*) (s-(sizeof(struct sdshdr)));
char *start, *end, *sp, *ep;

2
src/sds.h
View File

@ -32,6 +32,7 @@
#define __SDS_H
#include <sys/types.h>
#include <stdarg.h>
typedef char *sds;
@ -53,6 +54,7 @@ sds sdscat(sds s, char *t);
sds sdscpylen(sds s, char *t, size_t len);
sds sdscpy(sds s, char *t);
sds sdscatvprintf(sds s, const char *fmt, va_list ap);
#ifdef __GNUC__
sds sdscatprintf(sds s, const char *fmt, ...)
__attribute__((format(printf, 2, 3)));