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fill the memory with zeros on dylib_command allocation #3

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fill the memory with zeros on dylib_command allocation #3

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90adebd
fill the memory with zeros on dylib_command allocation
Dec 8, 2018
4ceb911
support new load command
Dec 13, 2018
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18 changes: 18 additions & 0 deletions macho_edit/load_command.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -155,6 +155,24 @@ std::string LoadCommand::description() const {

break;
}
#ifdef LC_BUILD_VERSION
case LC_VERSION_MIN_TVOS:
case LC_VERSION_MIN_WATCHOS: {
auto *c = (version_min_command *)raw_lc;
o << ": " << c->version << "-" << c->sdk;
break;
}
case LC_NOTE: {
auto *c = (note_command *)raw_lc;
o << ": " << std::string(c->data_owner, ELEMENTS(c->data_owner));
break;
}
case LC_BUILD_VERSION: {
auto *c = (build_version_command *)raw_lc;
o << ": " << c->platform << "-" << c->minos << "-" << c->sdk << "-" << c->ntools;
break;
}
#endif
}

return o.str();
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6 changes: 6 additions & 0 deletions macho_edit/magicnames.cpp
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Expand Up @@ -73,6 +73,12 @@ std::string cmd_name(uint32_t cmd) {
RET_NAME(LC_ENCRYPTION_INFO_64);
RET_NAME(LC_LINKER_OPTION);
RET_NAME(LC_LINKER_OPTIMIZATION_HINT);
#ifdef LC_BUILD_VERSION
RET_NAME(LC_VERSION_MIN_TVOS);
RET_NAME(LC_VERSION_MIN_WATCHOS);
RET_NAME(LC_NOTE);
RET_NAME(LC_BUILD_VERSION);
#endif
}

std::ostringstream o;
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2 changes: 1 addition & 1 deletion macho_edit/menu.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -283,7 +283,7 @@ load_command *get_path_cmd(const char *prompt, size_t header_size, uint32_t *cmd
uint32_t path_size = (uint32_t)ROUND_UP(path.length() + 1, PATH_PADDING);
*cmdsize = (uint32_t)header_size + path_size;

load_command *lc = (load_command *)malloc(*cmdsize);
load_command *lc = (load_command *)calloc(*cmdsize, sizeof(char));
memcpy(((uint8_t *)lc) + header_size, path.c_str(), path.length());
return lc;
}
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