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Fix C89 warnings in fuzz/main.c

This commit is contained in:
Tim Rühsen 2018-12-08 23:38:45 +01:00
parent 6ef129be93
commit 73b734c364
1 changed files with 17 additions and 11 deletions
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28
fuzz/main.c
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@ -57,31 +57,36 @@ static void test_all_from(const char *dirname)
if ((dirp = opendir(dirname))) {
while ((dp = readdir(dirp))) {
size_t fnamesize;
char *fname;
int fd;
struct stat st;
uint8_t *data;
ssize_t n;
if (*dp->d_name == '.') continue;
char fname[strlen(dirname) + strlen(dp->d_name) + 2];
snprintf(fname, sizeof(fname), "%s/%s", dirname, dp->d_name);
fnamesize = strlen(dirname) + strlen(dp->d_name) + 2;
fname = alloca(fnamesize);
snprintf(fname, fnamesize, "%s/%s", dirname, dp->d_name);
int fd;
if ((fd = open(fname, O_RDONLY)) == -1) {
fprintf(stderr, "Failed to open %s (%d)\n", fname, errno);
continue;
}
struct stat st;
if (fstat(fd, &st) != 0) {
fprintf(stderr, "Failed to stat %d (%d)\n", fd, errno);
close(fd);
continue;
}
uint8_t *data = malloc(st.st_size);
ssize_t n;
data = malloc(st.st_size);
if ((n = read(fd, data, st.st_size)) == st.st_size) {
printf("testing %llu bytes from '%s'\n", (unsigned long long) st.st_size, fname);
printf("testing %u bytes from '%s'\n", (int) st.st_size, fname);
LLVMFuzzerTestOneInput(data, st.st_size);
} else
fprintf(stderr, "Failed to read %llu bytes from %s (%d), got %zd\n", (unsigned long long) st.st_size, fname, errno, n);
fprintf(stderr, "Failed to read %d bytes from %s (%d), got %d\n", (int) st.st_size, fname, errno, (int) n);
free(data);
close(fd);
@ -93,7 +98,8 @@ static void test_all_from(const char *dirname)
int main(int argc, char **argv)
{
const char *target;
char corporadir[sizeof(SRCDIR) + 1 + strlen(argv[0]) + 8];
size_t corporadirsize = sizeof(SRCDIR) + 1 + strlen(argv[0]) + 8;
char *corporadir = alloca(corporadirsize);
/* if VALGRIND testing is enabled, we have to call ourselves with valgrind checking */
if (argc == 1) {
@ -111,11 +117,11 @@ int main(int argc, char **argv)
target = strrchr(argv[0], '/');
target = target ? target + 1 : argv[0];
snprintf(corporadir, sizeof(corporadir), SRCDIR "/%s.in", target);
snprintf(corporadir, corporadirsize, SRCDIR "/%s.in", target);
test_all_from(corporadir);
snprintf(corporadir, sizeof(corporadir), SRCDIR "/%s.repro", target);
snprintf(corporadir, corporadirsize, SRCDIR "/%s.repro", target);
test_all_from(corporadir);