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#ifndef STRMAP_H
#define STRMAP_H

#include "hashmap.h"

struct strmap {
	struct hashmap map;
	unsigned int strdup_strings:1;
};

struct strmap_entry {
	struct hashmap_entry ent;
	const char *key;
	void *value;
};

/*
 * Initialize the members of the strmap.  Any keys added to the strmap will
 * be strdup'ed with their memory managed by the strmap.
 */
void strmap_init(struct strmap *map);

/*
 * Same as strmap_init, but for those who want to control the memory management
 * carefully instead of using the default of strdup_strings=1.
 * (OCD = Obsessive Compulsive Disorder, a joke that those who use this function
 * are obsessing over minor details.)
 */
void strmap_ocd_init(struct strmap *map,
		     int strdup_strings);

/*
 * Remove all entries from the map, releasing any allocated resources.
 */
void strmap_clear(struct strmap *map, int free_values);

/*
 * Insert "str" into the map, pointing to "data".
 *
 * If an entry for "str" already exists, its data pointer is overwritten, and
 * the original data pointer returned. Otherwise, returns NULL.
 */
void *strmap_put(struct strmap *map, const char *str, void *data);

/*
 * Return the data pointer mapped by "str", or NULL if the entry does not
 * exist.
 */
void *strmap_get(struct strmap *map, const char *str);

/*
 * Return non-zero iff "str" is present in the map. This differs from
 * strmap_get() in that it can distinguish entries with a NULL data pointer.
 */
int strmap_contains(struct strmap *map, const char *str);

#endif /* STRMAP_H */
debug log:

solving 493d19cbc0 ...
found 493d19cbc0 in https://public-inbox.org/git/5c7507f55b09e24c0bfe87cc3df06213cfd1235b.1602549650.git.gitgitgadget@gmail.com/

applying [1/1] https://public-inbox.org/git/5c7507f55b09e24c0bfe87cc3df06213cfd1235b.1602549650.git.gitgitgadget@gmail.com/
diff --git a/strmap.h b/strmap.h
new file mode 100644
index 0000000000..493d19cbc0

Checking patch strmap.h...
Applied patch strmap.h cleanly.

index at:
100644 493d19cbc00fbf29600d2568eddfec74d7fefb5f	strmap.h

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