diff options
Diffstat (limited to 'compat')
-rw-r--r-- | compat/snprintf.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/compat/snprintf.c b/compat/snprintf.c new file mode 100644 index 000000000..dbfc2d6b6 --- /dev/null +++ b/compat/snprintf.c @@ -0,0 +1,40 @@ +#include "../git-compat-util.h" + +#undef vsnprintf +int git_vsnprintf(char *str, size_t maxsize, const char *format, va_list ap) +{ + char *s; + int ret; + + ret = vsnprintf(str, maxsize, format, ap); + if (ret != -1) + return ret; + + s = NULL; + if (maxsize < 128) + maxsize = 128; + + while (ret == -1) { + maxsize *= 4; + str = realloc(s, maxsize); + if (! str) + break; + s = str; + ret = vsnprintf(str, maxsize, format, ap); + } + free(s); + return ret; +} + +int git_snprintf(char *str, size_t maxsize, const char *format, ...) +{ + va_list ap; + int ret; + + va_start(ap, format); + ret = git_vsnprintf(str, maxsize, format, ap); + va_end(ap); + + return ret; +} + |