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cleanup: Fix fread() and fwrite() error handling

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Cleaned up some of the incorrect uses of fread() and fwrite(), mostly in
the format modules. Neither of these functions will ever return a value
less than 0, which we were checking for in some cases.

I've introduced a fair amount of duplication in the format modules, but
I plan to change how format modules work internally in a subsequent
patch set, so this is simply a stop-gap.

Change-Id: I8ca1cd47c20b2c0b72088bd13b9046f6977aa872
This commit is contained in:
Sean Bright
2017-04-21 13:04:44 -04:00
parent 8df729517e
commit f5b67871df
19 changed files with 198 additions and 70 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
formats/format_ogg_vorbis.c
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@@ -181,10 +181,10 @@ static int ogg_vorbis_rewrite(struct ast_filestream *s,
while (!tmp->eos) {
if (ogg_stream_flush(&tmp->os, &tmp->og) == 0)
break;
if (!fwrite(tmp->og.header, 1, tmp->og.header_len, s->f)) {
if (fwrite(tmp->og.header, 1, tmp->og.header_len, s->f) != tmp->og.header_len) {
ast_log(LOG_WARNING, "fwrite() failed: %s\n", strerror(errno));
}
if (!fwrite(tmp->og.body, 1, tmp->og.body_len, s->f)) {
if (fwrite(tmp->og.body, 1, tmp->og.body_len, s->f) != tmp->og.body_len) {
ast_log(LOG_WARNING, "fwrite() failed: %s\n", strerror(errno));
}
if (ogg_page_eos(&tmp->og))
@@ -211,10 +211,10 @@ static void write_stream(struct ogg_vorbis_desc *s, FILE *f)
if (ogg_stream_pageout(&s->os, &s->og) == 0) {
break;
}
if (!fwrite(s->og.header, 1, s->og.header_len, f)) {
ast_log(LOG_WARNING, "fwrite() failed: %s\n", strerror(errno));
if (fwrite(s->og.header, 1, s->og.header_len, f) != s->og.header_len) {
ast_log(LOG_WARNING, "fwrite() failed: %s\n", strerror(errno));
}
if (!fwrite(s->og.body, 1, s->og.body_len, f)) {
if (fwrite(s->og.body, 1, s->og.body_len, f) != s->og.body_len) {
ast_log(LOG_WARNING, "fwrite() failed: %s\n", strerror(errno));
}
if (ogg_page_eos(&s->og)) {