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comparison ringtools/fc-pwt-comp.c @ 885:16e259bff02b

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fc-pwt-comp: explicitly reject empty input
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 03 Apr 2022 03:55:02 +0000
parents 8eb1f60f6676
children
comparison
equal deleted inserted replaced
884:8eb1f60f6676 885:16e259bff02b
161 } 161 }
162 162
163 main(argc, argv) 163 main(argc, argv)
164 char **argv; 164 char **argv;
165 { 165 {
166 int nonempty;
167
166 if (argc != 3) { 168 if (argc != 3) {
167 fprintf(stderr, "usage: %s src-file bin-file\n", argv[0]); 169 fprintf(stderr, "usage: %s src-file bin-file\n", argv[0]);
168 exit(1); 170 exit(1);
169 } 171 }
170 if (strcmp(argv[1], "-")) { 172 if (strcmp(argv[1], "-")) {
183 if (!outf) { 185 if (!outf) {
184 perror(outfname); 186 perror(outfname);
185 exit(1); 187 exit(1);
186 } 188 }
187 189
190 nonempty = 0;
188 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) { 191 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++) {
189 parse_line_into_fields(); 192 parse_line_into_fields();
190 if (!nfields) 193 if (!nfields)
191 continue; 194 continue;
192 if (nfields == 3) 195 if (nfields == 3)
196 else { 199 else {
197 fprintf(stderr, "%s line %d: invalid syntax\n", 200 fprintf(stderr, "%s line %d: invalid syntax\n",
198 infname, lineno); 201 infname, lineno);
199 exit(1); 202 exit(1);
200 } 203 }
201 } 204 nonempty = 1;
202 exit(0); 205 }
203 } 206 if (nonempty)
207 exit(0);
208 else {
209 fprintf(stderr, "error: %s is empty\n", infname);
210 exit(1);
211 }
212 }