diff options
Diffstat (limited to 'libopkg')
| -rw-r--r-- | libopkg/sprintf_alloc.c | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/libopkg/sprintf_alloc.c b/libopkg/sprintf_alloc.c index 03a5f27..08c56bf 100644 --- a/libopkg/sprintf_alloc.c +++ b/libopkg/sprintf_alloc.c @@ -22,44 +22,44 @@ int sprintf_alloc(char **str, const char *fmt, ...) { - va_list ap; - int n; - unsigned size = 100; + va_list ap; + int n; + unsigned size = 100; - if (!str) { - opkg_msg(ERROR, "Internal error: str=NULL.\n"); - return -1; - } - if (!fmt) { - opkg_msg(ERROR, "Internal error: fmt=NULL.\n"); - return -1; - } + if (!str) { + opkg_msg(ERROR, "Internal error: str=NULL.\n"); + return -1; + } + if (!fmt) { + opkg_msg(ERROR, "Internal error: fmt=NULL.\n"); + return -1; + } - /* On x86_64 systems, any strings over 100 were segfaulting. - It seems that the ap needs to be reinitalized before every - use of the v*printf() functions. I pulled the functionality out - of vsprintf_alloc and combined it all here instead. - */ + /* On x86_64 systems, any strings over 100 were segfaulting. + It seems that the ap needs to be reinitalized before every + use of the v*printf() functions. I pulled the functionality out + of vsprintf_alloc and combined it all here instead. + */ - /* ripped more or less straight out of PRINTF(3) */ + /* ripped more or less straight out of PRINTF(3) */ - *str = xcalloc(1, size); + *str = xcalloc(1, size); - while(1) { - va_start(ap, fmt); - n = vsnprintf (*str, size, fmt, ap); - va_end(ap); - /* If that worked, return the size. */ - if (n > -1 && n < size) - return n; - /* Else try again with more space. */ - if (n > -1) /* glibc 2.1 */ - size = n+1; /* precisely what is needed */ - else /* glibc 2.0 */ - size *= 2; /* twice the old size */ - *str = xrealloc(*str, size); - } + while (1) { + va_start(ap, fmt); + n = vsnprintf (*str, size, fmt, ap); + va_end(ap); + /* If that worked, return the size. */ + if (n > -1 && n < size) + return n; + /* Else try again with more space. */ + if (n > -1) /* glibc 2.1 */ + size = n+1; /* precisely what is needed */ + else /* glibc 2.0 */ + size *= 2; /* twice the old size */ + *str = xrealloc(*str, size); + } - return -1; /* Just to be correct - it probably won't get here */ + return -1; /* Just to be correct - it probably won't get here */ } |