diff options
Diffstat (limited to 'src/utils.c')
-rw-r--r-- | src/utils.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/utils.c b/src/utils.c new file mode 100644 index 0000000..7bab058 --- /dev/null +++ b/src/utils.c @@ -0,0 +1,52 @@ +#include <stdio.h> +#include <string.h> +#include <stdbool.h> +#include <errno.h> +#include <stdlib.h> + +#include "options.h" +#include "utils.h" + +FILE *genb_fopen(const char *fname, const char *mode) +{ + char *fpath; + int fpathl; + FILE *filef; + + fpathl = strlen(options->outdirname) + strlen(fname) + 2; + fpath = malloc(fpathl); + snprintf(fpath, fpathl, "%s/%s", options->outdirname, fname); + + filef = fopen(fpath, mode); + if (filef == NULL) { + fprintf(stderr, "Error: unable to open file %s (%s)\n", + fpath, strerror(errno)); + free(fpath); + return NULL; + } + free(fpath); + + return filef; +} + +#ifdef NEED_STRNDUP + +char *strndup(const char *s, size_t n) +{ + size_t len; + char *s2; + + for (len = 0; len != n && s[len]; len++) + continue; + + s2 = malloc(len + 1); + if (!s2) + return 0; + + memcpy(s2, s, len); + s2[len] = 0; + return s2; +} + +#endif + |