diff options
Diffstat (limited to 'src/sordi.c')
| -rw-r--r-- | src/sordi.c | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/src/sordi.c b/src/sordi.c index 257315a..31ad0d0 100644 --- a/src/sordi.c +++ b/src/sordi.c @@ -28,6 +28,9 @@ #include "sord/sord.h" #include "sord_config.h" +#define SORDI_ERROR(msg) fprintf(stderr, "sordi: " msg); +#define SORDI_ERRORF(fmt, ...) fprintf(stderr, "sordi: " fmt, __VA_ARGS__); + typedef struct { SerdWriter* writer; SerdEnv* env; @@ -51,6 +54,7 @@ static int print_usage(const char* name, bool error) { FILE* const os = error ? stderr : stdout; + fprintf(os, "%s", error ? "\n" : ""); fprintf(os, "Usage: %s [OPTION]... INPUT [BASE_URI]\n", name); fprintf(os, "Load and re-serialise RDF data.\n"); fprintf(os, "Use - for INPUT to read from standard input.\n\n"); @@ -70,7 +74,7 @@ set_syntax(SerdSyntax* syntax, const char* name) } else if (!strcmp(name, "ntriples")) { *syntax = SERD_NTRIPLES; } else { - fprintf(stderr, "Unknown input format `%s'\n", name); + SORDI_ERRORF("unknown syntax `%s'\n", name); return false; } return true; @@ -117,29 +121,29 @@ main(int argc, char** argv) break; } else if (argv[a][1] == 'i') { if (++a == argc) { - fprintf(stderr, "Missing value for -i\n"); - return 1; + SORDI_ERROR("option requires an argument -- 'i'\n\n"); + return print_usage(argv[0], true); } if (!set_syntax(&input_syntax, argv[a])) { - return 1; + return print_usage(argv[0], true); } } else if (argv[a][1] == 'o') { if (++a == argc) { - fprintf(stderr, "Missing value for -o\n"); - return 1; + SORDI_ERROR("option requires an argument -- 'o'\n\n"); + return print_usage(argv[0], true); } if (!set_syntax(&output_syntax, argv[a])) { - return 1; + return print_usage(argv[0], true); } } else { - fprintf(stderr, "Unknown option `%s'\n", argv[a]); + SORDI_ERRORF("invalid option -- '%s'\n", argv[a] + 1); return print_usage(argv[0], true); } } if (a == argc) { - fprintf(stderr, "Missing input\n"); - return 1; + SORDI_ERROR("missing input\n"); + return print_usage(argv[0], true); } const uint8_t* input = (const uint8_t*)argv[a++]; @@ -165,8 +169,8 @@ main(int argc, char** argv) free(in_path); if (!base_uri_node.buf) { - fprintf(stderr, "Missing base URI\n"); - return 1; + SORDI_ERROR("missing base URI\n"); + return print_usage(argv[0], true); } SordWorld* world = sord_world_new(); |