Change-Id: I2858fdf74e782f425d56653491cdebe83c185d19 Signed-off-by: Patrick Georgi <pgeorgi@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41208 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
		
			
				
	
	
		
			189 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			189 lines
		
	
	
		
			3.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: BSD-3-Clause or GPL-2.0-only */
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| 
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| #include <stdio.h>
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| #include <stdlib.h>
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| #include <stdarg.h>
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| 
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| #include "kv_pair.h"
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| 
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| /* Internal variable for output style. Use accessors to get/set style. */
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| static enum kv_pair_style _style;
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| 
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| void kv_pair_set_style(enum kv_pair_style style)
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| {
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| 	_style = style;
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| }
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| 
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| enum kv_pair_style kv_pair_get_style(void)
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| {
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| 	return _style;
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| }
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| 
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| struct kv_pair *kv_pair_new(void)
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| {
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| 	struct kv_pair *kv;
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| 
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| 	kv = calloc(1, sizeof(*kv));
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| 	if (!kv)
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| 		return NULL;
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| 
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| 	return kv;
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| }
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| 
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| struct kv_pair *kv_pair_add(struct kv_pair *kv_list,
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| 			    const char *key, const char *value)
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| {
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| 	struct kv_pair *kv_new;
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| 	struct kv_pair *kv_ptr;
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| 
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| 	kv_new = kv_pair_new();
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| 	if (!kv_new)
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| 		return NULL;
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| 
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| 	/* save key=value strings if provided */
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| 	if (key) {
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| 		kv_new->key = strdup(key);
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| 		if (!kv_new->key)
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| 			goto kv_pair_add_failed;
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| 	}
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| 	if (value) {
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| 		kv_new->value = strdup(value);
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| 		if (!kv_new->value)
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| 			goto kv_pair_add_failed;
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| 	}
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| 
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| 	/* first in the list if no list provided */
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| 	if (kv_list) {
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| 		/* find the end of list */
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| 		for (kv_ptr = kv_list; kv_ptr->next != NULL;
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| 		     kv_ptr = kv_ptr->next)
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| 			;
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| 
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| 		/* link in the new pair at the end */
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| 		kv_ptr->next = kv_new;
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| 	}
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| 
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| 	/* return pointer to the new pair */
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| 	return kv_new;
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| 
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| kv_pair_add_failed:
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| 	kv_pair_free(kv_new);
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| 	return NULL;
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| }
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| 
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| struct kv_pair *kv_pair_add_bool(struct kv_pair *kv_list,
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| 				 const char *key, int value)
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| {
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| 	const char *str;
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| 
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| 	if (value) {
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| 		str = "yes";
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| 	} else {
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| 		str = "no";
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| 	}
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| 	return kv_pair_add(kv_list, key, str);
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| }
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| 
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| struct kv_pair *kv_pair_fmt(struct kv_pair *kv_list,
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| 			    const char *kv_key, const char *format, ...)
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| {
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| 	char kv_value[KV_PAIR_MAX_VALUE_LEN];
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| 	va_list vptr;
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| 
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| 	memset(kv_value, 0, sizeof(kv_value));
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| 
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| 	va_start(vptr, format);
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| 	vsnprintf(kv_value, sizeof(kv_value), format, vptr);
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| 	va_end(vptr);
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| 
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| 	return kv_pair_add(kv_list, kv_key, kv_value);
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| }
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| 
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| void kv_pair_free(struct kv_pair *kv_list)
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| {
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| 	struct kv_pair *kv_ptr = kv_list;
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| 	struct kv_pair *kv_next;
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| 
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| 	while (kv_ptr != NULL) {
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| 		/* free key/value strings */
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| 		if (kv_ptr->key)
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| 			free(kv_ptr->key);
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| 		if (kv_ptr->value)
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| 			free(kv_ptr->value);
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| 
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| 		/* free current pair move to next */
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| 		kv_next = kv_ptr->next;
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| 		free(kv_ptr);
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| 		kv_ptr = kv_next;
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| 	}
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| }
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| 
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| void kv_pair_print_to_file(FILE* fp, struct kv_pair *kv_list,
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| 			   enum kv_pair_style style)
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| {
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| 	struct kv_pair *kv_ptr;
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| 
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| 	switch (style) {
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| 	case KV_STYLE_PAIR:
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| 		for (kv_ptr = kv_list; kv_ptr != NULL; kv_ptr = kv_ptr->next) {
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| 			if (kv_ptr->key && kv_ptr->value) {
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| 				fprintf(fp, "%s=\"%s\" ",
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| 					kv_ptr->key, kv_ptr->value);
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| 			}
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| 		}
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| 		break;
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| 
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| 	case KV_STYLE_VALUE:
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| 		for (kv_ptr = kv_list; kv_ptr != NULL; kv_ptr = kv_ptr->next) {
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| 			if (kv_ptr->value) {
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| 				fprintf(fp, "%s", kv_ptr->value);
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| 				if (kv_ptr->next)
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| 					fprintf(fp, " | ");
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| 			}
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| 		}
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| 		break;
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| 
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| 	case KV_STYLE_LONG:
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| 		for (kv_ptr = kv_list; kv_ptr != NULL; kv_ptr = kv_ptr->next) {
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| 			if (kv_ptr->key && kv_ptr->value)
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| 				fprintf(fp, "%-20s | %s\n",
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| 					kv_ptr->key, kv_ptr->value);
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| 		}
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| 		break;
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| 	}
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| 
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| 	fprintf(fp, "\n");
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| }
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| 
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| void kv_pair_print(struct kv_pair *kv_list)
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| {
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| 	kv_pair_print_to_file(stdout, kv_list, kv_pair_get_style());
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| }
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| 
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| const char *kv_pair_get_value(struct kv_pair *kv_list, const char *kv_key)
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| {
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| 	const char *kv_value = NULL;
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| 	struct kv_pair *kv_ptr;
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| 
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| 	for (kv_ptr = kv_list; kv_ptr != NULL; kv_ptr = kv_ptr->next) {
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| 		if (kv_ptr->key && strcmp(kv_ptr->key, kv_key) == 0) {
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| 			kv_value = kv_ptr->value;
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| 			break;
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| 		}
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| 	}
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| 	return kv_value;
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| }
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| 
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| int kv_pair_size(struct kv_pair *kv_list) {
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| 	struct kv_pair *kv_ptr;
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| 	int count;
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| 
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| 	count = 0;
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| 	for (kv_ptr = kv_list; kv_ptr != NULL; kv_ptr = kv_ptr->next) {
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| 		if (kv_ptr->key) {
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| 			count++;
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| 		}
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| 	}
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| 	return count;
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| }
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