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[libunwind] Remove unnecessary dependencies on fprintf and stdio.h for increased baremetal friendliness #72040

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[libunwind] Remove unnecessary dependencies on fprintf and stdio.h for increased baremetal friendliness #72040

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10 changes: 7 additions & 3 deletions libunwind/src/AddressSpace.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,6 @@
#define __ADDRESSSPACE_HPP__

#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

Expand Down Expand Up @@ -672,7 +671,10 @@ inline bool LocalAddressSpace::findFunctionName(pint_t addr, char *buf,
Dl_info dyldInfo;
if (dladdr((void *)addr, &dyldInfo)) {
if (dyldInfo.dli_sname != NULL) {
snprintf(buf, bufLen, "%s", dyldInfo.dli_sname);
size_t nameLen = strlen(dyldInfo.dli_sname);
size_t len = nameLen < (bufLen - 1) ? nameLen : (bufLen - 1);
memcpy(buf, dyldInfo.dli_sname, len);
buf[len] = '\0';
*offset = (addr - (pint_t) dyldInfo.dli_saddr);
return true;
}
Expand All @@ -681,7 +683,9 @@ inline bool LocalAddressSpace::findFunctionName(pint_t addr, char *buf,
uint16_t nameLen;
char *funcName = getFuncNameFromTBTable(addr, nameLen, offset);
if (funcName != NULL) {
snprintf(buf, bufLen, "%.*s", nameLen, funcName);
size_t len = nameLen < (bufLen - 1) ? nameLen : (bufLen - 1);
memcpy(buf, funcName, len);
buf[len] = '\0';
return true;
}
#else
Expand Down