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Note a non-bug in read_file_to_str as used. If we start to rely on it behaving differently, we need to change how it behaves. [Noticed by Chris Palmer]

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svn:r3655
This commit is contained in:
Nick Mathewson 2005-02-22 07:18:46 +00:00
parent d37f4dd8a9
commit e8da6b26b6
1 changed files with 9 additions and 2 deletions
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11
src/common/util.c
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@ -880,8 +880,15 @@ int write_bytes_to_file(const char *fname, const char *str, size_t len,
return -1; return -1;
} }
/** Read the contents of <b>filename</b> into a newly allocated string; return the /** Read the contents of <b>filename</b> into a newly allocated
* string on success or NULL on failure. * string; return the string on success or NULL on failure.
*/
/*
* This function <em>may</em> return an erroneous result if the file
* is modified while it is running, but must not crash or overflow.
* Right now, the error case occurs when the file length grows between
* the call to stat and the call to read_all: the resulting string will
* be truncated.
*/ */
char *read_file_to_str(const char *filename, int bin) { char *read_file_to_str(const char *filename, int bin) {
int fd; /* router file */ int fd; /* router file */