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ASN.1 compiler: check write errors

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This commit is contained in:
Nicolas Williams
2019-01-15 12:04:31 -06:00
committed by Nico Williams
parent a3a8c1e4a4
commit 18226819cd
2 changed files with 13 additions and 10 deletions
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3
lib/asn1/asn1_gen.c
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@@ -141,7 +141,8 @@ doit(const char *fn)
} }
printf("line: eof offset: %lu\n", (unsigned long)offset); printf("line: eof offset: %lu\n", (unsigned long)offset);
fclose(fout); if (fclose(fout) == EOF)
err(1, "writes to file %s failed", fnout);
fclose(f); fclose(f);
return 0; return 0;
} }

20
lib/asn1/gen.c
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@@ -288,15 +288,16 @@ close_generate (void)
{ {
fprintf (headerfile, "#endif /* __%s_h__ */\n", headerbase); fprintf (headerfile, "#endif /* __%s_h__ */\n", headerbase);
if (headerfile) if (headerfile && fclose(headerfile) == EOF)
fclose (headerfile); err(1, "writes to public header file failed");
if (privheaderfile) if (privheaderfile && fclose(privheaderfile) == EOF)
fclose (privheaderfile); err(1, "writes to private header file failed");
if (templatefile) if (templatefile && fclose(templatefile) == EOF)
fclose (templatefile); err(1, "writes to template file failed");
if (logfile) { if (logfile) {
fprintf (logfile, "\n"); fprintf(logfile, "\n");
fclose (logfile); if (fclose(logfile) == EOF)
err(1, "writes to log file failed");
} }
} }
@@ -399,7 +400,8 @@ close_codefile(void)
if (codefile == NULL) if (codefile == NULL)
abort(); abort();
fclose(codefile); if (fclose(codefile) == EOF)
err(1, "writes to source code file failed");
codefile = NULL; codefile = NULL;
} }