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Allow safe_fname() to tweak up to two name at a time.

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This commit is contained in:
Wayne Davison
2004-07-26 16:34:36 +00:00
parent af1a3f9b6e
commit b4afd23c30
1 changed files with 6 additions and 3 deletions
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9
util.c
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@@ -902,17 +902,20 @@ int pop_dir(char *dir)
/**
* Return the filename, turning any newlines into '?'s. This ensures that
* outputting it on a line of its own cannot generate an empty line.
* outputting it on a line of its own cannot generate an empty line. This
* function can handle only 2 names at a time!
**/
const char *safe_fname(const char *fname)
{
static char fbuf[MAXPATHLEN];
static char fbuf1[MAXPATHLEN], fbuf2[MAXPATHLEN];
static char *fbuf = fbuf2;
char *nl = strchr(fname, '\n');
if (!nl)
return fname;
strlcpy(fbuf, fname, sizeof fbuf);
fbuf = fbuf == fbuf1 ? fbuf2 : fbuf1;
strlcpy(fbuf, fname, MAXPATHLEN);
nl = fbuf + (nl - (char *)fname);
do {
*nl = '?';