From dd39482f495a660d125ed9b4a352993a47e9d7d9 Mon Sep 17 00:00:00 2001 From: Calvin Morrison Date: Mon, 24 Feb 2014 12:17:15 -0500 Subject: add more verbose error messages and add more memory checks --- kmer_utils.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) (limited to 'kmer_utils.c') diff --git a/kmer_utils.c b/kmer_utils.c index 060e311..81b1e91 100644 --- a/kmer_utils.c +++ b/kmer_utils.c @@ -99,8 +99,10 @@ char *index_to_kmer(unsigned long long index, long kmer) { size_t j = 0; char *num_array = calloc(kmer, sizeof(char)); char *ret = calloc(kmer + 1, sizeof(char)); - if(ret == NULL) + if(ret == NULL || num_array == NULL) { + fprintf(stderr, "%s\n", strerror(errno)); exit(EXIT_FAILURE); + } // this is the core of the conversion. modulus 4 for base 4 conversion @@ -172,7 +174,7 @@ unsigned long long * get_kmer_counts_from_file(FILE *fh, const unsigned int kmer // malloc our return array unsigned long long * counts = calloc((width+ 1), sizeof(unsigned long long)); if(counts == NULL) { - fprintf(stderr, strerror(errno)); + fprintf(stderr, "%s\n", strerror(errno)); exit(EXIT_FAILURE); } @@ -234,7 +236,7 @@ unsigned long long * get_kmer_counts_from_filename(const char *fn, const unsigne FILE *fh = fopen(fn, "r"); if(fh == NULL) { fprintf(stderr, "Could not open %s - %s\n", fn, strerror(errno)); - return 0; + return NULL; } return get_kmer_counts_from_file(fh, kmer); -- cgit v1.2.3