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fpurge: Make it work with non fd based FILEs

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Streams opened with for example open_memstream(3) will have no associated
file descriptor, and fileno(3) will fail.

Signed-off-by: Guillem Jover <guillem@hadrons.org>
This commit is contained in:
Duncan Overbruck 2022-01-25 20:32:30 +01:00 committed by Guillem Jover
parent 091097e062
commit ba3c46b30f
1 changed files with 1 additions and 1 deletions
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2
src/fpurge.c
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@ -32,7 +32,7 @@
int int
fpurge(FILE *fp) fpurge(FILE *fp)
{ {
if (fp == NULL || fileno(fp) < 0) { if (fp == NULL) {
errno = EBADF; errno = EBADF;
return EOF; return EOF;
} }