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ERANGE strikes again: RFH #498

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ERANGE strikes again: RFH #498

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5 changes: 4 additions & 1 deletion compat/snprintf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ int git_vsnprintf(char *str, size_t maxsize, const char *format, va_list ap)
va_list cp;
char *s;
int ret = -1;
int save_errno = errno;

if (maxsize > 0) {
va_copy(cp, ap);
Expand All @@ -33,7 +34,7 @@ int git_vsnprintf(char *str, size_t maxsize, const char *format, va_list ap)
str[maxsize-1] = 0;
}
if (ret != -1)
return ret;
goto out;

s = NULL;
if (maxsize < 128)
Expand All @@ -52,6 +53,8 @@ int git_vsnprintf(char *str, size_t maxsize, const char *format, va_list ap)
ret = -1;
}
free(s);
out:
errno = save_errno;
return ret;
}

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