GCC Code Coverage Report

Directory: ./
File: s21_sprintf_converters.c
Date: 2025-07-13 17:59:14
Exec Total Coverage
Lines: 108 110 98.2%
Branches: 57 60 95.0%
Line Branch Exec Source
1 #include <locale.h>
2 #include <math.h>
3 #include <stdlib.h>
4
5 #include "s21_sprintf.h"
6
7 42 void char_to_str(int num, char *str) {
8 42 *(str++) = (char)num;
9 42 *str = '\0';
10 42 }
11
12 11 void wchar_to_str(wchar_t wc, char *str) {
13 11 setlocale(LC_ALL, "");
14 char wc_str[8];
15 11 int len = wctomb(wc_str, wc);
16
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 11 if (len >= 0) {
17 11 s21_memcpy(str, wc_str, len);
18 11 str[len] = '\0';
19 } else {
20 ✗ str[0] = '\0';
21 }
22 11 }
23
24 1972 void int_to_str(long long num, char *str, const FormatSpecifier *fs) {
25 1972 int len = 0;
26
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 1972 if (!(num == 0 && fs->precision == 0)) {
27 1971 int is_negative = 0;
28
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 1971 if (num < 0) {
29 1036 is_negative = 1;
30 1036 num = -num;
31 }
32 do {
33 5820 str[len++] = num % 10 + '0';
34 5820 num /= 10;
35
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 5820 } while (num);
36
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 2007 while (len < fs->precision) {
37 36 str[len++] = '0';
38 }
39
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 1971 if (is_negative) {
40 1036 str[len++] = '-';
41
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 935 } else if (fs->show_sign) {
42 28 str[len++] = '+';
43
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 907 } else if (fs->space_for_positive) {
44 2 str[len++] = ' ';
45 }
46
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 4934 for (int i = 0; i < len / 2; i++) {
47 2963 char tmp = str[i];
48 2963 str[i] = str[len - 1 - i];
49 2963 str[len - 1 - i] = tmp;
50 }
51 }
52 1972 str[len] = '\0';
53 1972 }
54
55 86 void uint_to_str(unsigned long num, char *str, const FormatSpecifier *fs) {
56 86 int len = 0;
57
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 86 if (!(num == 0 && fs->precision == 0)) {
58 do {
59 201 str[len++] = num % 10 + '0';
60 201 num /= 10;
61
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 201 } while (num);
62
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 124 while (len < fs->precision) {
63 39 str[len++] = '0';
64 }
65
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 167 for (int i = 0; i < len / 2; i++) {
66 82 char tmp = str[i];
67 82 str[i] = str[len - 1 - i];
68 82 str[len - 1 - i] = tmp;
69 }
70 }
71 86 str[len] = '\0';
72 86 }
73
74 72 void float_to_str(long double num, char *str, FormatSpecifier *fs) {
75
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 72 if (isnan(num)) {
76
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 1 if (signbit(num)) {
77 ✗ s21_strncpy(str, "-nan", 5);
78 } else {
79 1 s21_strncpy(str, "nan", 4);
80 }
81
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 71 } else if (isinf(num)) {
82
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 2 if (num < 0) {
83 1 s21_strncpy(str, "-inf", 5);
84 } else {
85 1 s21_strncpy(str, "inf", 4);
86 }
87 } else {
88 69 convert_to_float(num, str, fs);
89 }
90 72 }
91
92 69 void convert_to_float(long double num, char *str, FormatSpecifier *fs) {
93 69 int len = 0;
94 69 int is_negative = 0;
95
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 69 if (num < 0) {
96 1 is_negative = 1;
97 1 num = -num;
98 }
99
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 69 if (fs->precision == -1) {
100 10 fs->precision = 6;
101 }
102 69 double factor = pow(10.0, fs->precision);
103 69 num = round(num * factor) / factor;
104 69 s21_size_t int_part = (s21_size_t)num;
105 69 long double frac_part = num - (long double)int_part;
106 char int_buf[64];
107 69 int precision = fs->precision;
108 69 fs->precision = -1;
109 69 uint_to_str(int_part, int_buf, fs);
110 69 fs->precision = precision;
111
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 69 if (is_negative) {
112 1 str[len++] = '-';
113
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 68 } else if (fs->show_sign) {
114 9 str[len++] = '+';
115
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 59 } else if (fs->space_for_positive) {
116 3 str[len++] = ' ';
117 }
118 69 s21_memcpy(str + len, int_buf, s21_strlen(int_buf));
119 69 len += s21_strlen(int_buf);
120
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 69 if (precision > 0) {
121 66 str[len++] = '.';
122 66 long double frac_scaled = frac_part * pow(10.0, precision);
123 66 s21_size_t frac_int = (s21_size_t)(frac_scaled + 0.5L);
124 char frac_buf[64];
125
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 343 for (int i = precision - 1; i >= 0; i--) {
126 277 frac_buf[i] = (frac_int % 10) + '0';
127 277 frac_int /= 10;
128 }
129 66 frac_buf[precision] = '\0';
130 66 s21_memcpy(str + len, frac_buf, precision);
131 66 len += precision;
132 }
133 69 str[len] = '\0';
134 69 }
135
136 46 void uint_to_base(unsigned long num, char *str, int base, const char *digits) {
137 46 int len = 0;
138
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 46 if (num == 0) {
139 2 str[len++] = '0';
140 } else {
141
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 251 while (num && base) {
142 207 str[len++] = digits[num % base];
143 207 num /= base;
144 }
145 }
146
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 147 for (int i = 0; i < len / 2; i++) {
147 101 char tmp = str[i];
148 101 str[i] = str[len - 1 - i];
149 101 str[len - 1 - i] = tmp;
150 }
151 46 str[len] = '\0';
152 46 }
153