diff options
Diffstat (limited to 'forg-import.c')
| -rw-r--r-- | forg-import.c | 262 |
1 files changed, 134 insertions, 128 deletions
diff --git a/forg-import.c b/forg-import.c index 241e3f3..9f6cdb4 100644 --- a/forg-import.c +++ b/forg-import.c @@ -9,173 +9,179 @@ #define optstr "0h:L:r:" -typedef struct { - const char *hash; - const char *repository; - unsigned hash_max_lines; - char **files; - unsigned n_files; - char input_sep; +typedef struct +{ + const char *hash; + const char *repository; + unsigned hash_max_lines; + char **files; + unsigned n_files; + char input_sep; } options_t; -static void usage(const char *prgname) +static void +usage(const char *prgname) { - errx(EX_USAGE, "usage %s ...", prgname); + errx(EX_USAGE, "usage %s ...", prgname); } -static int str_to_uint(const char *str, unsigned *out) +static int +str_to_uint(const char *str, unsigned *out) { - unsigned long result; - char *end; + unsigned long result; + char *end; - errno = 0; - result = strtoul(str, &end, 10); + errno = 0; + result = strtoul(str, &end, 10); - if (errno) - goto fail; + if (errno) + goto fail; - if (*end != '\0') { - errno = EINVAL; - goto fail; - } + if (*end != '\0') { + errno = EINVAL; + goto fail; + } - if (result > UINT_MAX) { - errno = ERANGE; - goto fail; - } + if (result > UINT_MAX) { + errno = ERANGE; + goto fail; + } - *out = result; - return 0; + *out = result; + return 0; fail: - warn("str_to_uint \"%s\"", str); - return -1; + warn("str_to_uint \"%s\"", str); + return -1; } -static options_t read_opts(int argc, char **argv) +static options_t +read_opts(int argc, char **argv) { - int o; - const char *prgname; - options_t options = { - .hash = "md5sum", - .repository = ".", - .hash_max_lines = 4096, - .input_sep = '\n', - }; - - prgname = argc < 1 ? "keep" : argv[0]; - - while (o = getopt(argc, argv, optstr), o != -1) { - switch (o) { - case '0': - options.input_sep = '\0'; - break; - case 'h': - options.hash = optarg; - break; - case 'L': - if (str_to_uint(optarg, &options.hash_max_lines)) - goto fail; - break; - case 'r': - options.repository = optarg; - break; - case '?': - default: - usage(prgname); - } + int o; + const char *prgname; + options_t options = { + .hash = "md5sum", + .repository = ".", + .hash_max_lines = 4096, + .input_sep = '\n', + }; + + prgname = argc < 1 ? "keep" : argv[0]; + + while (o = getopt(argc, argv, optstr), o != -1) { + switch (o) { + case '0': + options.input_sep = '\0'; + break; + case 'h': + options.hash = optarg; + break; + case 'L': + if (str_to_uint(optarg, &options.hash_max_lines)) + goto fail; + break; + case 'r': + options.repository = optarg; + break; + case '?': + default: + usage(prgname); } + } - options.files = argv + optind; - options.n_files = argc - optind; + options.files = argv + optind; + options.n_files = argc - optind; - return options; + return options; fail: - err(EX_CONFIG, "bad options"); + err(EX_CONFIG, "bad options"); } -static const char *iter_files(const options_t *opts, void **aux) +static const char * +iter_files(const options_t *opts, void **aux) { - struct ctx { - enum { - from_files_list, - from_stdin, - } from; - - union { - struct { - int next; - } files_list; - struct { - char *line; - size_t len; - } stdin; - }; + struct ctx + { + enum + { + from_files_list, + from_stdin, + } from; + + union + { + struct + { + int next; + } files_list; + struct + { + char *line; + size_t len; + } stdin; }; + }; - struct ctx *ctx = *aux; - ssize_t nread; + struct ctx *ctx = *aux; + ssize_t nread; - if (!ctx) { /* initialization */ + if (!ctx) { /* initialization */ - *aux = ctx = malloc(sizeof(struct ctx)); - if (!ctx) - err(EX_OSERR, "malloc"); + *aux = ctx = malloc(sizeof(struct ctx)); + if (!ctx) + err(EX_OSERR, "malloc"); - *ctx = (struct ctx){ - opts->n_files ? from_files_list : from_stdin - }; - } + *ctx = (struct ctx){ opts->n_files ? from_files_list : from_stdin }; + } - switch (ctx->from) { - case from_stdin: - errno = 0; - nread = getdelim( - &ctx->stdin.line, - &ctx->stdin.len, - opts->input_sep, - stdin - ); - if (nread == -1) { - if (!errno) { - free(ctx->stdin.line); - goto done; - } - err(EX_OSERR, "getdelim(..., stdin)"); - } - if (opts->input_sep && ctx->stdin.line[nread - 1] == opts->input_sep) - ctx->stdin.line[nread - 1] = '\0'; - return ctx->stdin.line; - - case from_files_list: - if (ctx->files_list.next >= opts->n_files) - goto done; - return opts->files[ctx->files_list.next++]; - } - err(EX_SOFTWARE, __FILE__":%d - buggy", __LINE__); + switch (ctx->from) { + case from_stdin: + errno = 0; + nread = + getdelim(&ctx->stdin.line, &ctx->stdin.len, opts->input_sep, stdin); + if (nread == -1) { + if (!errno) { + free(ctx->stdin.line); + goto done; + } + err(EX_OSERR, "getdelim(..., stdin)"); + } + if (opts->input_sep && ctx->stdin.line[nread - 1] == opts->input_sep) + ctx->stdin.line[nread - 1] = '\0'; + return ctx->stdin.line; + + case from_files_list: + if (ctx->files_list.next >= opts->n_files) + goto done; + return opts->files[ctx->files_list.next++]; + } + err(EX_SOFTWARE, __FILE__ ":%d - buggy", __LINE__); done: - free(*aux); - *aux = NULL; - return NULL; + free(*aux); + *aux = NULL; + return NULL; } -static int run(const options_t *opts) +static int +run(const options_t *opts) { - void *aux = NULL; - const char *file; + void *aux = NULL; + const char *file; - while (file = iter_files(opts, &aux), file) - warnx("[%s]", file); + while (file = iter_files(opts, &aux), file) + warnx("[%s]", file); - return 0; + return 0; } -int main(int argc, char **argv) +int +main(int argc, char **argv) { - options_t opts; + options_t opts; - opts = read_opts(argc, argv); - return run(&opts); + opts = read_opts(argc, argv); + return run(&opts); } |