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Handle return value of read() call.

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This commit is contained in:
Paul Sokolovsky 2013-12-29 20:11:05 +02:00
parent de690d128b
commit 44d0f3cfa2
1 changed files with 6 additions and 1 deletions
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7
py/lexerunix.c
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@ -48,8 +48,13 @@ mp_lexer_t *mp_lexer_new_from_file(const char *filename) {
uint size = lseek(fd, 0, SEEK_END);
lseek(fd, 0, SEEK_SET);
char *data = m_new(char, size);
read(fd, data, size);
int read_size = read(fd, data, size);
close(fd);
if (read_size != size) {
printf("error reading file %s\n", filename);
m_free(data);
return NULL;
}
return mp_lexer_new_from_str_len(filename, data, size, true);
}