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Check some fwrite() return values in xs_fcgi_response().

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default 2023-12-20 09:15:25 +01:00
parent 808849ba14
commit adcfc212c0
1 changed files with 8 additions and 6 deletions
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14
xs_fcgi.h
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@ -336,21 +336,23 @@ void xs_fcgi_response(FILE *f, int status, xs_dict *headers, xs_str *body, int b
int offset = 0; int offset = 0;
while (offset < size) { while (offset < size) {
int sz = size - offset; size_t sz = size - offset;
if (sz > 0xffff) if (sz > 0xffff)
sz = 0xffff; sz = 0xffff;
hdr.content_len = htons(sz); hdr.content_len = htons(sz);
fwrite(&hdr, sizeof(hdr), 1, f); /* write or fail */
fwrite(out + offset, 1, sz, f); if (!fwrite(&hdr, sizeof(hdr), 1, f) || fwrite(out + offset, 1, sz, f) != sz)
return;
offset += sz; offset += sz;
} }
/* final STDOUT packet with 0 size */ /* final STDOUT packet with 0 size */
hdr.content_len = 0; hdr.content_len = 0;
fwrite(&hdr, sizeof(hdr), 1, f); if (!fwrite(&hdr, sizeof(hdr), 1, f))
return;
/* complete the connection */ /* complete the connection */
ereq.app_status = 0; ereq.app_status = 0;
@ -359,8 +361,8 @@ void xs_fcgi_response(FILE *f, int status, xs_dict *headers, xs_str *body, int b
hdr.type = FCGI_END_REQUEST; hdr.type = FCGI_END_REQUEST;
hdr.content_len = htons(sizeof(ereq)); hdr.content_len = htons(sizeof(ereq));
fwrite(&hdr, sizeof(hdr), 1, f); if (fwrite(&hdr, sizeof(hdr), 1, f))
fwrite(&ereq, sizeof(ereq), 1, f); fwrite(&ereq, sizeof(ereq), 1, f);
} }