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* Don't SEGFAULT on attempt to write nothing (if no source files were

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specified)
* Don't print currline if it's NULL

MFC after: 3 days
This commit is contained in:
Alexey Zelkin 2002-02-13 13:00:33 +00:00
parent 1603684d77
commit e0c90a7bd5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=90609
1 changed files with 4 additions and 1 deletions
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5
usr.bin/gencat/genlib.c
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@ -49,7 +49,7 @@ static long lineno = 0;
static void
warning(char *cptr, const char *msg)
{
warnx("%s on line %ld\n%s", msg, lineno, curline);
warnx("%s on line %ld\n%s", msg, lineno, (curline == NULL ? "" : curline) );
if (cptr) {
char *tptr;
for (tptr = curline; tptr < cptr; ++tptr) putc(' ', stderr);
@ -559,6 +559,9 @@ MCWriteCat(int fd)
mcHead.flags = MCGetByteOrder();
mcHead.firstSet = 0; /* We'll be back to set this in a minute */
if (cat == NULL)
error(NULL, "cannot write empty catalog set");
for (cnt = 0, set = cat->first; set; set = set->next) ++cnt;
mcHead.numSets = cnt;