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A minimalistic single-header multi-platform C89 lib for stack tracing

Clone the repo or copy b_stacktrace.h in your project tree.

Including b_stacktrace.h provides:

char* b_stacktrace_get_string();- Returns a human-readable stack-trace string from the point of view of the caller. The string is allocated with malloc and needs to be freed with free.
b_stacktrace_handle b_stacktrace_get(); - Returns a stack-trace handle from the point of view of the caller which can be expanded to a string via b_stacktrace_to_string. The handle is allocated with malloc and needs to be freed with free.
b_stacktrace_to_string(b_stacktrace_handle stacktrace); - Converts a stack-trace handle to a human-readable string. The string is allocated with malloc and needs to be freed with free.
int b_stacktrace_depth(b_stacktrace_handle stacktrace); - Returns the number of entries (frames) in the stack-trace handle.

#define B_STACKTRACE_IMPL before including b_stacktrace.h in one C or C++ file to create the implementation

Optional wrapper for C++17 and newer

TBD

The subdirectory example/ contains several small examples:

trace.c - creates a trace from a C program
trace.cpp - creates a trace from a C++ program, demonstrating more complex symbols (classes, templates)
crash.c - example usage of the provided stack trace: as a crash handler

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