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Return error on fopen(NULL)

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https://sqlite.org/forum/forumpost/d1c96a9032e564f8
This commit is contained in:
Justine Tunney 2023-01-08 15:17:44 -08:00
parent 7ab4630cc9
commit 2bad436abf
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GPG key ID: BE714B4575D6E328
2 changed files with 13 additions and 9 deletions
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4
libc/stdio/fopen.c
View file

@ -58,6 +58,10 @@ FILE *fopen(const char *pathname, const char *mode) {
FILE *f = 0;
bool noclose;
int fd, flags;
if (!pathname) {
efault();
return 0;
}
flags = fopenflags(mode);
pathname = fixpathname(pathname, flags);
if ((fd = openpathname(pathname, flags, &noclose)) != -1) {

18
tool/build/sha256sum.c
View file

@ -116,7 +116,7 @@ static bool IsSupportedPath(const char *path) {
case '\r':
case '\n':
case '\\':
Write(2, PROG, ": ", path, ": unsupported path\n", 0);
Write(2, PROG, ": ", path, ": unsupported path\n", NULL);
return false;
default:
break;
@ -134,7 +134,7 @@ static bool GetDigest(const char *path, FILE *f, unsigned char digest[32]) {
_unassert(!mbedtls_sha256_update_ret(&ctx, buf, got));
}
if (ferror(f)) {
Write(2, PROG, ": ", path, ": ", _strerdoc(errno), "\n", 0);
Write(2, PROG, ": ", path, ": ", _strerdoc(errno), "\n", NULL);
return false;
}
_unassert(!mbedtls_sha256_finish_ret(&ctx, digest));
@ -149,7 +149,7 @@ static bool ProduceDigest(const char *path, FILE *f) {
if (!IsSupportedPath(path)) return false;
if (!GetDigest(path, f, digest)) return false;
hexpcpy(hexdigest, digest, 32);
Write(1, hexdigest, " ", mode, path, "\n", 0);
Write(1, hexdigest, " ", mode, path, "\n", NULL);
return true;
}
@ -181,13 +181,13 @@ static bool CheckDigests(const char *path, FILE *f) {
++g_mismatches;
k = false;
}
Write(1, path2, ": ", status, "\n", 0);
Write(1, path2, ": ", status, "\n", NULL);
} else {
k = false;
}
fclose(f2);
} else {
Write(2, PROG, ": ", path2, ": ", _strerdoc(errno), "\n", 0);
Write(2, PROG, ": ", path2, ": ", _strerdoc(errno), "\n", NULL);
k = false;
}
continue;
@ -196,11 +196,11 @@ static bool CheckDigests(const char *path, FILE *f) {
char linestr[12];
FormatInt32(linestr, line + 1);
Write(2, PROG, ": ", path, ":", linestr, ": ",
"improperly formatted checksum line", "\n", 0);
"improperly formatted checksum line", "\n", NULL);
}
}
if (ferror(f)) {
Write(2, PROG, ": ", path, ": ", _strerdoc(errno), "\n", 0);
Write(2, PROG, ": ", path, ": ", _strerdoc(errno), "\n", NULL);
k = false;
}
return k;
@ -228,7 +228,7 @@ int main(int argc, char *argv[]) {
k &= Process(argv[i], f);
fclose(f);
} else {
Write(2, PROG, ": ", argv[i], ": ", _strerdoc(errno), "\n", 0);
Write(2, PROG, ": ", argv[i], ": ", _strerdoc(errno), "\n", NULL);
k = false;
}
}
@ -237,7 +237,7 @@ int main(int argc, char *argv[]) {
char ibuf[12];
FormatInt32(ibuf, g_mismatches);
Write(2, PROG, ": WARNING: ", ibuf, " computed checksum did NOT match\n",
0);
NULL);
}
return !k;
}