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Merge pull request #2572 from cubicdaiya/issues/fprintf_error_handlings

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Fix error handlings for fprintf() and fputs() to file.
This commit is contained in:
Yukihiro "Matz" Matsumoto
2014-08-29 01:10:44 +09:00
parent 9e4b012478 7d9b5132a5
commit a3c34c165b
1 changed files with 23 additions and 6 deletions
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src/dump.c
+23 -6
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@@ -987,13 +987,30 @@ mrb_dump_irep_cfunc(mrb_state *mrb, mrb_irep *irep, int debug_info, FILE *fp, co
result = mrb_dump_irep(mrb, irep, debug_info, &bin, &bin_size);
if (result == MRB_DUMP_OK) {
fprintf(fp, "#include <stdint.h>\n"); /* for uint8_t under at least Darwin */
fprintf(fp, "const uint8_t %s[] = {", initname);
while (bin_idx < bin_size) {
if (bin_idx % 16 == 0) fputs("\n", fp);
fprintf(fp, "0x%02x,", bin[bin_idx++]);
if (fprintf(fp, "#include <stdint.h>\n") < 0) { /* for uint8_t under at least Darwin */
mrb_free(mrb, bin);
return MRB_DUMP_WRITE_FAULT;
}
if (fprintf(fp, "const uint8_t %s[] = {", initname) < 0) {
mrb_free(mrb, bin);
return MRB_DUMP_WRITE_FAULT;
}
while (bin_idx < bin_size) {
if (bin_idx % 16 == 0) {
if (fputs("\n", fp) == EOF) {
mrb_free(mrb, bin);
return MRB_DUMP_WRITE_FAULT;
}
}
if (fprintf(fp, "0x%02x,", bin[bin_idx++]) < 0) {
mrb_free(mrb, bin);
return MRB_DUMP_WRITE_FAULT;
}
}
if (fputs("\n};\n", fp) == EOF) {
mrb_free(mrb, bin);
return MRB_DUMP_WRITE_FAULT;
}
fputs("\n};\n", fp);
}
mrb_free(mrb, bin);